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Lillis T, Dabarakis N, Sakellaridis N, Fotopoulos I, Tsolakis I, Dailiana Z. The Effect of Clopidogrel Treatment on Osseointegration of Titanium Implants: A Histomorphometric Study in Rabbits. Int J Oral Maxillofac Implants 2024; 39:319. [PMID: 37939235 DOI: 10.11607/jomi.10449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023] Open
Abstract
PURPOSE To evaluate the effect of continuous perioperative clopidogrel treatment on the osseointegration of titanium implants. MATERIALS AND METHODS A total of 32 New Zealand rabbits were randomly divided between two groups: a clopidogrel group (n = 16) and a control group (n = 16). For 1 week prior to the surgical placement of a titanium implant in their medial femoral condyle, rabbits in the clopidogrel group received 3 mg/kg of clopidogrel daily, and the control group received only the vehicle. This treatment was continued for another 6 weeks postoperatively. At 6 weeks, the rabbits were euthanized and postmortem histologic and histomorphometric evaluation of the implants was performed. RESULTS The surgical procedures and postoperative period were uneventful and well tolerated by all animals without any surgical wound dehiscence, signs of infection, or other complication. No implant failure was observed in any of the groups. Histomorphometric analysis showed that bone-to-implant contact (BIC) was 48.77% for the clopidogrel group and 34.65% for the control group, with statistically significant difference between them (P < .001). Moreover, clopidogrel group had significantly greater bone tissue density (40.52% vs 28.74%, respectively; P <.001) and mean trabecular thickness (284.7 μm vs 180.7 μm, respectively; P < .001) in proximity to the implant surface than the control group, while the mean trabecular number had no difference between groups (1.56 vs 1.60, respectively; P = .961). CONCLUSIONS The present study showed that continuous clopidogrel treatment does not negatively affect osseointegration, but rather promotes it in terms of BIC and bone density around the titanium implants. Further studies on the effect of the P2Y12 receptor and its antagonists on peri-implant bone homeostasis may provide useful information or applications for long-term success of dental implant therapy.
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Rashedi S, Sadeghipour P, Lou J. Aiming for precision: CYP2C19 gene polymorphism and clopidogrel resistance in patients with peripheral artery disease. Thromb Res 2024; 236:240-241. [PMID: 38503672 DOI: 10.1016/j.thromres.2024.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/21/2024]
Affiliation(s)
- Sina Rashedi
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Parham Sadeghipour
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran; Clinical Trial Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Junyang Lou
- Cardiovascular Medicine Division, Brigham and Women's Hospital, Harvard Medical School, MA, USA.
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Lee EJ, Lee SM, Oh JH, Kim HY, Saeed WK, Kim HS, Jun DW. Ticagrelor, but Not Clopidogrel, Attenuates Hepatic Steatosis in a Model of Metabolic Dysfunction-Associated Steatotic Liver Disease. Nutrients 2024; 16:920. [PMID: 38612954 PMCID: PMC11013111 DOI: 10.3390/nu16070920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/13/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Previous studies have suggested that platelets are associated with inflammation and steatosis and may play an important role in liver health. Therefore, we evaluated whether antiplatelet agents can improve metabolic disorder-related fatty liver disease (MASLD). METHODS The mice used in the study were fed a high-fat-diet (HFD) and were stratified through liver biopsy at 18 weeks. A total of 22 mice with NAFLD activity scores (NAS) ≥ 4 were randomly divided into three groups (HFD-only, clopidogrel (CLO; 35 mg/kg/day), ticagrelor (TIC; 40 mg/kg/day) group). And then, they were fed a feed mixed with the respective drug for 15 weeks. Blood and tissue samples were collected and used in the study. RESULTS The TIC group showed a significantly lower degree of NAS and steatosis than the HFD group (p = 0.0047), but no effect on the CLO group was observed. Hepatic lipogenesis markers' (SREBP1c, FAS, SCD1, and DGAT2) expression and endoplasmic reticulum (ER) stress markers (CHOP, Xbp1, and GRP78) only reduced significantly in the TIC treatment group. Inflammation genes (MCP1 and TNF-α) also decreased significantly in the TIC group, but not in the CLO group. Nile red staining intensity and hepatic lipogenesis markers were reduced significantly in HepG2 cells following TIC treatment. CONCLUSION Ticagrelor attenuated NAS and hepatic steatosis in a MASLD mice model by attenuating lipogenesis and inflammation, but not in the CLO group.
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Affiliation(s)
- Eun Jeoung Lee
- Department of Translational Medicine, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea; (E.J.L.); (S.M.L.); (H.Y.K.)
| | - Seung Min Lee
- Department of Translational Medicine, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea; (E.J.L.); (S.M.L.); (H.Y.K.)
| | - Ju Hee Oh
- Department of Obstetrics and Gynecology, Institute of Women’s Medical Life Science, Yonsei Cancer Center, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Republic of Korea;
| | - Hye Young Kim
- Department of Translational Medicine, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea; (E.J.L.); (S.M.L.); (H.Y.K.)
| | - Waqar Khalid Saeed
- Department of Biomedical Sciences, Pak-Austria Fachhochschule—Institute of Applied Sciences and Technology, Mang 22621, Pakistan;
| | - Hyun Sung Kim
- Department of Pathology, Hanyang University School of Medicine, Seoul 04763, Republic of Korea;
| | - Dae Won Jun
- Department of Translational Medicine, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea; (E.J.L.); (S.M.L.); (H.Y.K.)
- Department of Internal Medicine, Hanyang University School of Medicine, Seoul 04763, Republic of Korea
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Gjermeni D, Anfang V, Vetter H, Szabó S, Hesselbarth D, Gauchel N, Siegel PM, Kaier K, Kille A, Franke K, Leggewie S, Trenk D, Duerschmied D, Bode C, Westermann D, Olivier CB. Low on-clopidogrel ADP- and TRAP-6-induced platelet aggregation in patients with atrial fibrillation undergoing percutaneous coronary intervention: an observational pilot study. J Thromb Thrombolysis 2024; 57:361-369. [PMID: 38347374 PMCID: PMC10961278 DOI: 10.1007/s11239-023-02937-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/16/2023] [Indexed: 03/26/2024]
Abstract
High on-clopidogrel platelet reactivity (HPR) associates with ischemic risk in patients after percutaneous intervention (PCI). This study aimed to evaluate the association of HPR as assessed by multiple electrode aggregometry (MEA) with ischemic, thromboembolic, and bleeding risk in patients with atrial fibrillation (AF) undergoing PCI. Patients with AF and an indication for oral anticoagulation (OAC) were included in this prospective cohort study on day 1-3 after PCI. Platelet aggregation [U] was analyzed by MEA. HPR and low platelet reactivity (LPR) were defined as ADP-induced aggregation ≥ 46 U and ≤ 18 U, respectively. TRAP-6-induced aggregation reference was 94-156 U. The primary outcome was time to all-cause death, myocardial infarction, or stroke at 6 months. The secondary outcome was time to non-major clinically relevant bleedings or major bleedings. 159 patients were enrolled between May 2020 and May 2021. The median age was 78 years (interquartile range 72-82) and 111 (70%) were male. Median ADP- and TRAP-induced aggregation were 12 (6-17) and 49 (35-68) U, respectively. 147 (93%) patients had a low overall aggregability. HPR was detected in 2 patients (1%) and 125 (79%) had LPR. ADP-induced aggregation did not significantly associate with the primary outcome (r = 0.081, p = 0.309) but correlated inversely with bleeding risk (r = - 0.201, p = 0.011). HPR status as assessed by MEA among patients with AF after PCI was rare and overall aggregability was low. Conventional cut-off values for HPR might be inappropriate for these patients. ADP-induced aggregation might be helpful to identify patients at risk for bleeding.
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Affiliation(s)
- Diona Gjermeni
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Viktoria Anfang
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hannah Vetter
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sofia Szabó
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - David Hesselbarth
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Nadine Gauchel
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Patrick M Siegel
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Klaus Kaier
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Alexander Kille
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Kilian Franke
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Stefan Leggewie
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Dietmar Trenk
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Daniel Duerschmied
- Department of Cardiology, Angiology, Haemostaseology and Medical Intensive Care, Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
- European Center for AngioScience (ECAS) and German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Mannheim, Germany
| | - Christoph Bode
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Dirk Westermann
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Christoph B Olivier
- Department of Cardiology and Angiology, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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Ding LP, Li P, Yang LR, Pan MM, Zhou M, Zhang C, Yan YD, Lin HW, Li XY, Gu ZC. A novel machine learning model to predict high on-treatment platelet reactivity on clopidogrel in Asian patients after percutaneous coronary intervention. Int J Clin Pharm 2024; 46:90-100. [PMID: 37817027 DOI: 10.1007/s11096-023-01638-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 08/16/2023] [Indexed: 10/12/2023]
Abstract
BACKGROUND Various genetic and nongenetic variables influence the high on-treatment platelet reactivity (HTPR) in patients taking clopidogrel. AIM This study aimed to develop a novel machine learning (ML) model to predict HTPR in Chinese patients after percutaneous coronary intervention (PCI). METHOD This cohort study collected information on 507 patients taking clopidogrel. Data were randomly divided into a training set (90%) and a testing set (10%). Nine candidate Machine learning (ML) models and multiple logistic regression (LR) analysis were developed on the training set. Their performance was assessed according to the area under the receiver operating characteristic curve, precision, recall, F1 score, and accuracy on the test set. Model interpretations were generated using importance scores by transforming model variables into scaled features and representing in radar plots. Finally, we established a prediction platform for the prediction of HTPR. RESULTS A total of 461 patients (HTPR rate: 19.52%) were enrolled in building the prediction model for HTPR. The XGBoost model had an optimized performance, with an AUC of 0.82, a precision of 0.80, a recall of 0.44, an F1 score of 0.57, and an accuracy of 0.87, which was superior to those of LR. Furthermore, the XGBoost method identified 7 main predictive variables. To facilitate the application of the model, we established an XGBoost prediction platform consisting of 7 variables and all variables for the HTPR prediction. CONCLUSION A ML-based approach, such as XGBoost, showed optimum performance and might help predict HTPR on clopidogrel after PCI and guide clinical decision-making. Further validated studies will strengthen this finding.
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Affiliation(s)
- Lan-Ping Ding
- Department of Pharmacy, Jiangsu Province Hospital, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 210009, China
| | - Ping Li
- Department of Pharmacy, Women and Children's Hospital, Qingdao University, Qingdao, 266034, China
| | - Li-Rong Yang
- Department of Pharmacy, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Mang-Mang Pan
- Department of Pharmacy, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Min Zhou
- Nanjing Ericsson Panda Communication Co. Ltd.,, Nanjing, 211100, China
| | - Chi Zhang
- Department of Pharmacy, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Yi-Dan Yan
- Department of Pharmacy, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Hou-Wen Lin
- Department of Pharmacy, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Xiao-Ye Li
- Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Zhi-Chun Gu
- Department of Pharmacy, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
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Yu R, Yu Q, Li Z, Li J, Yang J, Hu Y, Zheng N, Li X, Song Y, Li J, Chen X, Du W, Su J. Transcriptome-wide map of N6-methyladenosine (m6A) profiling in coronary artery disease (CAD) with clopidogrel resistance. Clin Epigenetics 2023; 15:194. [PMID: 38098098 PMCID: PMC10722764 DOI: 10.1186/s13148-023-01602-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 11/14/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Clopidogrel resistance profoundly increases the risk of major cardiovascular events in coronary artery disease (CAD) patients. Here, we comprehensively analyse global m6A modification alterations in clopidogrel-resistant (CR) and non-CR patients. METHODS After RNA isolation, the RNA transcriptome expression (lncRNA, circRNA, and mRNA) was analysed via RNA-seq, and m6A peaks were identified by MeRIP-seq. The altered m6A methylation sites on mRNAs, lncRNAs, and circRNAs were identified, and then, GO and KEGG pathway analyses were performed. Through joint analysis with RNA-seq and MeRIP-seq data, differentially expressed mRNAs harbouring differentially methylated sites were identified. The changes in m6A regulator levels and the abundance of differentially methylated sites were measured by RT-PCR. The identification of m6A-modified RNAs was verified by m6A-IP-qPCR. RESULTS The expression of 2919 hypermethylated and 2519 hypomethylated mRNAs, 192 hypermethylated and 391 hypomethylated lncRNAs, and 375 hypermethylated and 546 hypomethylated circRNAs was shown to be altered in CR patients. The m6A peaks related to CR indicated lower mark density at the CDS region. Functional enrichment analysis revealed that inflammatory pathways and insulin signalling pathways might be involved in the pathological processes underlying CR. The expression of mRNAs (ST5, KDM6B, GLB1L2, and LSM14B), lncRNAs (MSTRG.13776.1 and ENST00000627981.1), and circRNAs (hsa_circ_0070675_CBC1, hsa-circRNA13011-5_CBC1, and hsa-circRNA6406-3_CBC1) was upregulated in CR patients, while the expression of mRNAs (RPS16 and CREG1), lncRNAs (MSTRG.9215.1), and circRNAs (hsa_circ_0082972_CBC1) was downregulated in CR patients. Moreover, m6A regulators (FTO, YTHDF3, and WTAP) were also differentially expressed. An additional combined analysis of gene expression and m6A peaks revealed that the expression of mRNAs (such as ST5, LYPD2, and RPS16 mRNAs) was significantly altered in the CR patients. CONCLUSION The expression of m6A regulators, the RNA transcriptome, and the m6A landscape was altered in CR patients. These findings reveal epitranscriptomic regulation in CR patients, which might be novel therapeutic targets in future.
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Affiliation(s)
- Ruoyan Yu
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, People's Republic of China
| | - Qinglin Yu
- Department of Traditional Chinese Internal Medicine, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Zhenwei Li
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, People's Republic of China
| | - Jiyi Li
- Department of Cardiology, Yuyao People's Hospital of Zhejiang Province, Yuyao, Zhejiang, People's Republic of China
| | - Jin Yang
- Department of Geriatrics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Yingchu Hu
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, People's Republic of China
| | - Nan Zheng
- Department of Cardiology, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, People's Republic of China
| | - Xiaojin Li
- Department of Geriatrics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Yudie Song
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Jiahui Li
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Xiaomin Chen
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China.
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, People's Republic of China.
| | - Weiping Du
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China.
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, People's Republic of China.
| | - Jia Su
- Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China.
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, People's Republic of China.
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Ma L, Yu F, He D, Guo L, Yang Y, Li W, Zhang T. Role of circadian clock in the chronoefficacy and chronotoxicity of clopidogrel. Br J Pharmacol 2023; 180:2973-2988. [PMID: 37403641 DOI: 10.1111/bph.16188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 06/19/2023] [Accepted: 06/28/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND AND PURPOSE The role of circadian locomotor output cycles kaput (CLOCK) in regulating drug chronoefficacy and chronotoxicity remains elusive. Here, we aimed to uncover the impact of CLOCK and dosing time on clopidogrel efficacy and toxicity. EXPERIMENTAL APPROACH The antiplatelet effect, toxicity and pharmacokinetics experiments were conducted with Clock-/- mice and wild-type mice, after gavage administration of clopidogrel at different circadian time points. The expression levels of drug-metabolizing enzymes were determined by quantitative polymerase chain reaction (qPCR) and western blotting. Transcriptional gene regulation was investigated using luciferase reporter and chromatin immunoprecipitation assays. KEY RESULTS The antiplatelet effect and toxicity of clopidogrel in wild-type mice showed a dosing time-dependent variation. Clock ablation reduced the antiplatelet effect of clopidogrel, but increased clopidogrel-induced hepatotoxicity, with attenuated rhythms of clopidogrel active metabolite (Clop-AM) and clopidogrel, respectively. We found that Clock regulated the diurnal variation of Clop-AM formation by modulating the rhythmic expression of CYP1A2 and CYP3A1, and altered clopidogrel chronopharmacokinetics by regulation of CES1D expression. Mechanistic studies revealed that CLOCK activated Cyp1a2 and Ces1d transcription by directly binding to the enhancer box (E-box) elements in their promoters, and promoted Cyp3a11 transcription through enhancing the transactivation activity of albumin D-site-binding protein (DBP) and thyrotroph embryonic factor (TEF). CONCLUSIONS AND IMPLICATIONS CLOCK regulates the diurnal rhythmicity in clopidogrel efficacy and toxicity through regulation of CYP1A2, CYP3A11 and CES1D expression. These findings may contribute to optimizing dosing schedules for clopidogrel and may deepen understanding of the circadian clock and chronopharmacology.
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Affiliation(s)
- Luyao Ma
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fangjun Yu
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Di He
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lianxia Guo
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yu Yang
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wangchun Li
- The Affiliated Shunde Hospital of Jinan University, Foshan, China
| | - Tianpeng Zhang
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
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Kornya MR, Abrams-Ogg ACG, Blois SL, Wood RD. Platelet function analyzer-200 closure curve analysis and assessment of flow-obstructed samples. Vet Clin Pathol 2023; 52:576-582. [PMID: 37438618 DOI: 10.1111/vcp.13260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/24/2023] [Accepted: 04/04/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND The Platelet function analyzer-200 can determine the effect of clopidogrel in cats. Flow obstruction is an error that causes uninterpretable results. Closure curves and parameters initial flow rate (IF) and total volume (TV) are displayed by the PFA-200 and may allow interpretation of results in cases of flow obstruction. The primary hemostasis components (PHC) are calculated values that normalize these parameters. OBJECTIVES To determine if closure curves and research parameters allow detecting the effect of clopidogrel in cases of flow obstruction. METHODS A review of closure curves identified those with flow obstruction and paired analysis that did not. Non-flow-obstructed curves were used to categorize curves with respect to clopidogrel effects. IF, TV, PHC(1), and PHC(2) were evaluated to determine if these could be used to categorize if a sample exhibited the effects of clopidogrel. Curves were visually analyzed, and characteristics identified that were more common with or without the effect of clopidogrel. Visual analysis of curves was performed by blinded observers to determine if a visual analysis was able to predict the effect of clopidogrel. RESULTS Analysis of parameters was able to predict closure or non-closure in flow-obstructed curves. TV, PHC(1), and PHC(2) had area under the curve of the receiver operating characteristics of 0.79, 0.79, and 0.87. Visual curve analysis was unable to predict closure, with an average accuracy of only 55%, among three reviewers. Agreement between reviewers was poor (Fleiss' Kappa 0.06). CONCLUSIONS Visual curve analysis was unable to determine the effect of clopidogrel in flow-obstructed samples. Numerical parameters were able to detect the effect of clopidogrel with a high degree of accuracy in flow-obstructed samples.
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Affiliation(s)
- Matthew R Kornya
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Anthony C G Abrams-Ogg
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Shauna L Blois
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - R Darren Wood
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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9
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Kornya MR, Abrams-Ogg ACG, Blois SL, Wood RD. Validation of storage and shipping of feline blood samples for analysis on the Platelet Function Analyzer-200 for determining the effect of clopidogrel. Vet Clin Pathol 2023; 52:588-595. [PMID: 37488077 DOI: 10.1111/vcp.13265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/02/2023] [Accepted: 04/24/2023] [Indexed: 07/26/2023]
Abstract
BACKGROUND The Platelet function analyzer-200 (PFA-200) can determine the effect of clopidogrel in cats, but analysis traditionally must be performed at point-of-care (POC). The ability to ship samples of blood to a laboratory would allow widespread access. OBJECTIVES We aimed to validate the shipping of blood samples for PFA-200 analysis in cats to determine the effect of clopidogrel. METHODS Twenty healthy cats and 10 cats receiving clopidogrel were recruited. Blood was collected from cats and aliquoted into two samples, one was analyzed at POC within 2 hours using the PFA-200, and the other was packaged and transported to a location 4 km away, stored, and transported back to the lab for analysis the following day. RESULTS Median closure times (CTs) with the collagen/adenosine diphosphate (COL/ADP) cartridge in healthy cats were 51.5 seconds (POC) and 78.8 seconds (shipped), which were significantly different (P < 0.001), and for cats on clopidogrel, median CTs were 147.5 seconds (POC) and 190 seconds (shipped), which were not significantly different (P = 0.131). Median CTs with the P2Y cartridge in healthy cats were 50.5 seconds (POC) and 64.9 seconds (shipped), which were significantly different (P = 0.03), and in cats receiving clopidogrel, median CTs were 300 seconds (POC) and 300 seconds (shipped) which were not significantly different (P = 1.000). Reference intervals for CTs differed for COL/ADP at POC (19.8-89.7 seconds) and shipped (50.9-161.6 seconds) and for P2Y at POC (35.5-118.8 seconds) and shipped (35.1-108.9 seconds). Receiver operating characteristics showed similar areas under the curve (AUCROCs) regarding the effect of clopidogrel for COL/ADP at POC (0.994 seconds) and shipped (0.932) and for P2Y at POC (0.904 seconds) and shipped (0.975 seconds). When classifying for the presence of clopidogrel effects, Cohen's Kappa was 0.62 for COL/ADP and 1.00 for P2Y. CONCLUSIONS Shipping blood samples for PFA analysis are feasible with similar performance to POC analyses for determining the effect of clopidogrel in cats.
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Affiliation(s)
- Matthew R Kornya
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Anthony C G Abrams-Ogg
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Shauna L Blois
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - R Darren Wood
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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10
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Yamazaki M, Shirai Y, Ohnishi T, Hosokawa K, Dahlen JR, Kitagawa K. Differential inhibition of platelet function by cilostazol in combination with clopidogrel. Eur J Clin Pharmacol 2023; 79:1623-1630. [PMID: 37740121 DOI: 10.1007/s00228-023-03553-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 08/13/2023] [Indexed: 09/24/2023]
Abstract
PURPOSE To assess the antiplatelet effect of cilostazol clinically, we compared the effects of cilostazol in combination with clopidogrel on various platelet function tests. METHODS We recruited patients with ischemic stroke at high risk of recurrence who were treated with clopidogrel alone within 180 days after stroke onset. Subjects underwent baseline platelet function tests, and were then randomly assigned to receive dual antiplatelet therapy (DAPT) comprising clopidogrel and cilostazol or clopidogrel monotherapy (SAPT). After 6 months, platelet function was measured again and compared to that at baseline in each group, and the rate of change was compared between groups. RESULTS Thirty-four patients were enrolled, but 4 patients were excluded for various reasons. In total, 30 subjects (13 in DAPT and 17 in SAPT group) were analyzed. Adenosine diphosphate- and collagen-induced aggregation, VerifyNow P2Y12 reaction units, vasodilator-stimulated phosphoprotein (platelet reactivity index: PRI) and plasma p-selectin concentration were significantly lower (P = 0.004, 0.042, 0.049, 0.003 and 0.006 respectively), while VerifyNow % inhibition was significantly higher at 6 months compared to baseline (P = 0.003) in the DAPT group only. Comparison of the rate of change in each parameter from baseline to 6 months showed that while PRI decreased at a greater rate (P = 0.012), VerifyNow % inhibition increased at a greater rate (P = 0.003) in the DAPT group than the SAPT group. CONCLUSIONS The inhibitory effects of adjunctive cilostazol added to clopidogrel on platelet function differed by type of platelet function test. VerifyNow % inhibition and PRI were more inhibited than the other platelet function tests. TRIAL REGISTRATION CSPS.com substudy in TWMU (UMIN000026672), registered on April 1, 2017. This study was performed as a substudy of CSPS.com (UMIN000012180, registered on October 31, 2013) and was retrospectively registered.
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Affiliation(s)
- Masako Yamazaki
- Department of Neurology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan.
- Department of Artificial Intelligence Medicine Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan.
| | - Yuka Shirai
- Department of Neurology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Tomoko Ohnishi
- Research Institute, Fujimori Kogyo Co., Ltd., 1-10-1 Sachiura, Kanazawa-ku, Yokohama, Kanagawa, 236-0003, Japan
| | - Kazuya Hosokawa
- Research Institute, Fujimori Kogyo Co., Ltd., 1-10-1 Sachiura, Kanazawa-ku, Yokohama, Kanagawa, 236-0003, Japan
| | | | - Kazuo Kitagawa
- Department of Neurology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
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11
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Kornya MR, Abrams-Ogg ACG, Blois SL, Wood RD. Investigation of Platelet Function Analyzer 200 platelet function measurements in healthy cats and cats receiving clopidogrel. J Vet Diagn Invest 2023; 35:664-670. [PMID: 37646490 PMCID: PMC10621536 DOI: 10.1177/10406387231197440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
The Platelet Function Analyzer 200 (PFA-200; Siemens) is an in vitro substitute for in vivo bleeding time that is designed to investigate platelet function in a more physiologic manner than traditional aggregometry. The analyzer reports a closure time (CT) as a marker of platelet function, and may also report the calculated platelet function measurement primary hemostasis components, PHC1 and PHC2. These incorporate the measured total volume (TV) of blood aspirated and the initial flow rate (IF). We determined, for the COL/ADP and P2Y cartridges, the median total volume (TVmedian), and RIs for CT, IF, TV, PHC1, and PHC2, and investigated the sensitivity and specificity of those parameters at the determined interpretation thresholds in determination of the clopidogrel effect. Healthy client-owned cats were recruited prospectively to determine RIs for CT, IF, TV, PHC1, and PHC2. Healthy blood-donor cats and cats on clopidogrel therapy were included retrospectively to determine test performance. In 20 healthy cats, RIs for COL/ADP were CT (19.5-87.2 s), IF (199-278 µL/min), TV (199-332 µL), PHC1 (94-106%), and PHC2 (52-148%); and for P2Y, CT (4.2-94.3 s), IF (112-208 µL/min), TV (151-294 µL), PHC1 (35-178%), and PHC2 (90-109%). CVs were calculated for all of these values. Specificity for detection of the clopidogrel effect was calculated from a group of healthy blood donors, and sensitivity for detection of the clopidogrel effect from a group of cats with known clopidogrel effect. Sensitivity and specificity were, for COL/ADP: CT (83.3%, 66.6%), IF (41.4%, 83.3%), TV (83.3%, 100%), PHC1 (100%, 100%) and PHC2 (100%, 83.3%); and for P2Y: CT (100%, 94.4%), IF (30%, 44.4%), TV (100%, 94.4%), PHC1 (100%, 100%), and PHC2 (100%, 97.7%). These PFA-200 values may be beneficial in the determination of platelet function in cats.
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Affiliation(s)
- Matthew R. Kornya
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Anthony C. G. Abrams-Ogg
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Shauna L. Blois
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - R. Darren Wood
- Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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12
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Kass-Hout O, Stern J, D Tangonan R, Morsi RZ, Thind S, Kass-Hout T, Guterman L. An alternative reduced dose regimen of ticagrelor for neuroendovascular patients. Vascular 2023; 31:902-907. [PMID: 35466828 DOI: 10.1177/17085381221092858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
OBJECTIVE There is a growing use of ticagrelor in patients undergoing neuroendovascular procedures, especially those who demonstrate clopidogrel resistance. While multiple dosages are studied in the cardiology literature, the optimal dose for patients with neurological pathology has yet to be established. Here, we describe a single center experience involving 39 patients who underwent neuroendovascular procedures that then received an adjusted lower dose of ticagrelor. METHODS A retrospective chart review was performed between 2013 and 2017 for patients on dual anti-platelet therapy (DAPT) for either cervical or intracranial vascular pathologies, as well as stenting of the neurovasculature, including carotid arteries. Patients were placed on ticagrelor if their measured P2Y12 reaction units (PRU) responses to clopidogrel were outside the expected range in our center using the VerifyNow™ P2Y12 test. All patients were maintained on a dose of 45 mg twice daily except for one patient who received 22.5 mg twice daily. Responsiveness to ticagrelor were measured utilizing the VerifyNow™ P2Y12 test. RESULTS The mean number of days for follow-up post treatment initiation was 532 days. A total of 39 patients were included in the analysis. Of these, 8 patients (21%) received implantation of intracranial stents (5 patients received pipeline embolization devices, 1 patient received stent-assisted coiling, and 2 patients received intracranial stents for atherosclerotic disease). Fourteen patients (35%) received carotid angioplasty and stenting. Seventeen patients (44%) did not receive permanent implantation of a stent. All patients on the lower dose ticagrelor of 45 mg twice daily achieved responsiveness (i.e., PRU < 194). Hemorrhagic transformation of ischemic stroke occurred in one patient (2.5%). No other hemorrhagic complications were encountered. No thromboembolic events were recorded aside from one patient (2.5%) with intracranial atherosclerotic disease who had an ischemic event. CONCLUSIONS A lower dose of ticagrelor (45 mg twice daily) appears to be safe and effective in this small cohort of patients who are resistant to clopidogrel per P2Y12 testing and who have increased risk of ischemic or hemorrhagic strokes due to neurovascular pathologies and implants. Further randomized studies are required to confirm these findings.
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Affiliation(s)
- Omar Kass-Hout
- Department of Neurology, UNC REX Healthcare, Raleigh, NC, USA
| | - Joseph Stern
- Neurosciences Department, Mercy Hospital, Buffalo, NY, USA
| | - Ruth D Tangonan
- Department of Neurology, University of Chicago Medicine, Chicago, IL, USA
| | - Rami Z Morsi
- Department of Neurology, University of Chicago Medicine, Chicago, IL, USA
| | - Sonam Thind
- Section of Neurosurgery, Department of Surgery, University of Chicago, Chicago, IL, USA
| | - Tareq Kass-Hout
- Department of Neurology, University of Chicago Medicine, Chicago, IL, USA
- Section of Neurosurgery, Department of Surgery, University of Chicago, Chicago, IL, USA
| | - Lee Guterman
- Neurosciences Department, Mercy Hospital, Buffalo, NY, USA
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13
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Jantsch MH, Doleski PH, Viana AR, da Silva JLG, Passos DF, Cabral FL, Manzoni AG, Ebone RDS, Soares ABU, de Andrade CM, Schetinger MRC, Leal DBR. Effects of clopidogrel bisulfate on B16-F10 cells and tumor development in a murine model of melanoma. Biochem Cell Biol 2023; 101:443-455. [PMID: 37163764 DOI: 10.1139/bcb-2022-0249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023] Open
Abstract
Metastatic melanoma is a very aggressive skin cancer. Platelets are constituents of the tumor microenvironment and, when activated, contribute to cancer progression, especially metastasis and inflammation. P2Y12 is an adenosine diphosphate receptor that triggers platelet activation. Inhibition of P2Y12 by clopidogrel bisulfate (CB) decreases platelet activation, which is also controlled by the extracellular concentration and the metabolism of purines by purinergic enzymes. We evaluated the effects of CB on the viability and proliferation of cultured B16-F10 cells. We also used a metastatic melanoma model with C57BL-6 mice to evaluate cancer development and purine metabolism modulation in platelets. B16-F10 cells were administered intraperitoneally to the mice. Two days later, the animals underwent a 12-day treatment with CB (30 mg/kg by gavage). We have found that CB reduced cell viability and proliferation in B16-F10 culture in 72 h at concentrations above 30 µm. In vivo, CB decreased tumor nodule counts and lactate dehydrogenase levels and increased platelet purine metabolism. Our results showed that CB has significant effects on melanoma progression.
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Affiliation(s)
- Matheus Henrique Jantsch
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Instituto Federal Farroupilha, Campus Santo Ângelo, Santo Ângelo, RS, Brazil
| | - Pedro Henrique Doleski
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Altevir Rossato Viana
- Programa de Pós-graduação em Nanociências; Laboratório de Biociências. Universidade Franciscana, Santa Maria, RS, Brazil
| | - Jean Lucas Gutknecht da Silva
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Daniela Ferreira Passos
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Fernanda Licker Cabral
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Alessandra Guedes Manzoni
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Renan da Silva Ebone
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | | | - Cínthia Melazzo de Andrade
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Hospital Veterinário, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Maria Rosa Chitolina Schetinger
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Daniela Bitencourt Rosa Leal
- Laboratório de Imunobiologia Experimental e Aplicada (LABIBIO), Departamento de Microbiologia e Parasitologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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14
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Brambilla M, Becchetti A, Rovati GE, Cosentino N, Conti M, Canzano P, Giesen PL, Loffreda A, Bonomi A, Cattaneo M, De Candia E, Podda GM, Trabattoni D, Werba PJ, Campodonico J, Pinna C, Marenzi G, Tremoli E, Camera M. Cell Surface Platelet Tissue Factor Expression: Regulation by P2Y 12 and Link to Residual Platelet Reactivity. Arterioscler Thromb Vasc Biol 2023; 43:2042-2057. [PMID: 37589138 PMCID: PMC10521789 DOI: 10.1161/atvbaha.123.319099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/26/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND ADP-induced platelet activation leads to cell surface expression of several proteins, including TF (tissue factor). The role of ADP receptors in platelet TF modulation is still unknown. We aimed to assess the (1) involvement of P2Y1 and P2Y12 receptors in ADP-induced TF exposure; (2) modulation of TFpos-platelets in anti-P2Y12-treated patients with coronary artery disease. Based on the obtained results, we revisited the intracellular localization of TF in platelets. METHODS The effects of P2Y1 or P2Y12 antagonists on ADP-induced TF expression and activity were analyzed in vitro by flow cytometry and thrombin generation assay in blood from healthy subjects, P2Y12-/-, and patients with gray platelet syndrome. Ex vivo, P2Y12 inhibition of TF expression by clopidogrel/prasugrel/ticagrelor, assessed by VASP (vasodilator-stimulated phosphoprotein) platelet reactivity index, was investigated in coronary artery disease (n=238). Inhibition of open canalicular system externalization and electron microscopy (TEM) were used for TF localization. RESULTS In blood from healthy subjects, stimulated in vitro by ADP, the percentage of TFpos-platelets (17.3±5.5%) was significantly reduced in a concentration-dependent manner by P2Y12 inhibition only (-81.7±9.5% with 100 nM AR-C69931MX). In coronary artery disease, inhibition of P2Y12 is paralleled by reduction of ADP-induced platelet TF expression (VASP platelet reactivity index: 17.9±11%, 20.9±11.3%, 40.3±13%; TFpos-platelets: 10.5±4.8%, 9.8±5.9%, 13.6±6.3%, in prasugrel/ticagrelor/clopidogrel-treated patients, respectively). Despite this, 15% of clopidogrel good responders had a level of TFpos-platelets similar to the poor-responder group. Indeed, a stronger P2Y12 inhibition (130-fold) is required to inhibit TF than VASP. Thus, a VASP platelet reactivity index <20% (as in prasugrel/ticagrelor-treated patients) identifies patients with TFpos-platelets <20% (92% sensitivity). Finally, colchicine impaired in vitro ADP-induced TF expression but not α-granule release, suggesting that TF is open canalicular system stored as confirmed by TEM and platelet analysis of patients with gray platelet syndrome. CONCLUSIONS Data show that TF expression is regulated by P2Y12 and not P2Y1; P2Y12 antagonists downregulate the percentage of TFpos-platelets. In clopidogrel good-responder patients, assessment of TFpos-platelets highlights those with residual platelet reactivity. TF is stored in open canalicular system, and its membrane exposure upon activation is prevented by colchicine.
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Affiliation(s)
- Marta Brambilla
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Alessia Becchetti
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Gian Enrico Rovati
- Department of Pharmaceutical Sciences (G.E.R., C.P., M. Camera), Università degli Studi di Milano, Italy
| | - Nicola Cosentino
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Maria Conti
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Paola Canzano
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | | | - Alessia Loffreda
- Experimental Imaging Center, San Raffaele Scientific Institute, Milan, Italy (A.L.)
| | - Alice Bonomi
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Marco Cattaneo
- Unità di Medicina II, ASST Santi Paolo e Carlo, Department of Scienze della Salute (M. Cattaneo, G.M.P.), Università degli Studi di Milano, Italy
| | - Erica De Candia
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy (E.D.C.)
| | - Gian Marco Podda
- Unità di Medicina II, ASST Santi Paolo e Carlo, Department of Scienze della Salute (M. Cattaneo, G.M.P.), Università degli Studi di Milano, Italy
| | - Daniela Trabattoni
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Pablo Josè Werba
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Jeness Campodonico
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | - Christian Pinna
- Department of Pharmaceutical Sciences (G.E.R., C.P., M. Camera), Università degli Studi di Milano, Italy
| | - Giancarlo Marenzi
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
| | | | - Marina Camera
- Centro Cardiologico Monzino IRCCS, Milan, Italy (M.B., A. Becchetti, N.C., M. Conti, P.C., A. Bonomi, D.T., P.J.W., J.C., G.M., M. Camera)
- Department of Pharmaceutical Sciences (G.E.R., C.P., M. Camera), Università degli Studi di Milano, Italy
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15
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Monero-Paredes M, Feliu-Maldonado R, Carrasquillo-Carrion K, Gonzalez P, Rogozin IB, Roche-Lima A, Duconge J. Non-Random Enrichment of Single-Nucleotide Polymorphisms Associated with Clopidogrel Resistance within Risk Loci Linked to the Severity of Underlying Cardiovascular Diseases: The Role of Admixture. Genes (Basel) 2023; 14:1813. [PMID: 37761953 PMCID: PMC10531115 DOI: 10.3390/genes14091813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/14/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Cardiovascular disease (CVD) is one of the leading causes of death in Puerto Rico, where clopidogrel is commonly prescribed to prevent ischemic events. Genetic contributors to both a poor clopidogrel response and the severity of CVD have been identified mainly in Europeans. However, the non-random enrichment of single-nucleotide polymorphisms (SNPs) associated with clopidogrel resistance within risk loci linked to underlying CVDs, and the role of admixture, have yet to be tested. This study aimed to assess the possible interaction between genetic biomarkers linked to CVDs and those associated with clopidogrel resistance among admixed Caribbean Hispanics. We identified 50 SNPs significantly associated with CVDs in previous genome-wide association studies (GWASs). These SNPs were combined with another ten SNPs related to clopidogrel resistance in Caribbean Hispanics. We developed Python scripts to determine whether SNPs related to CVDs are in close proximity to those associated with the clopidogrel response. The average and individual local ancestry (LAI) within each locus were inferred, and 60 random SNPs with their corresponding LAIs were generated for enrichment estimation purposes. Our results showed no CVD-linked SNPs in close proximity to those associated with the clopidogrel response among Caribbean Hispanics. Consequently, no genetic loci with a dual predictive role for the risk of CVD severity and clopidogrel resistance were found in this population. Native American ancestry was the most enriched within the risk loci linked to CVDs in this population. The non-random enrichment of disease susceptibility loci with drug-response SNPs is a new frontier in Precision Medicine that needs further attention.
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Affiliation(s)
- Mariangeli Monero-Paredes
- Department of Pharmacology and Toxicology, School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan 00936, Puerto Rico; (M.M.-P.); (P.G.)
| | - Roberto Feliu-Maldonado
- Research Centers in Minority Institutions Program, Center for Collaborative Research in Health Disparities, Academic Affairs Deanship, University of Puerto Rico, Medical Sciences Campus, San Juan 00936, Puerto Rico; (R.F.-M.); (K.C.-C.); (A.R.-L.)
| | - Kelvin Carrasquillo-Carrion
- Research Centers in Minority Institutions Program, Center for Collaborative Research in Health Disparities, Academic Affairs Deanship, University of Puerto Rico, Medical Sciences Campus, San Juan 00936, Puerto Rico; (R.F.-M.); (K.C.-C.); (A.R.-L.)
| | - Pablo Gonzalez
- Department of Pharmacology and Toxicology, School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan 00936, Puerto Rico; (M.M.-P.); (P.G.)
| | - Igor B. Rogozin
- Computational Biology Branch, National Center for Biotechnology Information (NCBI), National Library of Medicine (NLM), National Institutes of Health (NIH), Rockville Pike MSC 3830, Bethesda, MD 20894, USA;
| | - Abiel Roche-Lima
- Research Centers in Minority Institutions Program, Center for Collaborative Research in Health Disparities, Academic Affairs Deanship, University of Puerto Rico, Medical Sciences Campus, San Juan 00936, Puerto Rico; (R.F.-M.); (K.C.-C.); (A.R.-L.)
| | - Jorge Duconge
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Puerto Rico, Medical Sciences Campus, San Juan 00936, Puerto Rico
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16
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Puccini M, Rauch C, Jakobs K, Friebel J, Hassanein A, Landmesser U, Rauch U. Being Overweight or Obese Is Associated with an Increased Platelet Reactivity Despite Dual Antiplatelet Therapy with Aspirin and Clopidogrel. Cardiovasc Drugs Ther 2023; 37:833-837. [PMID: 35211819 PMCID: PMC10397124 DOI: 10.1007/s10557-022-07325-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/07/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE Obese patients exhibit an overall increased platelet reactivity and a reduced sensitivity to antiplatelet therapy. The aim of this study is to evaluate the platelet reactivity measured by impedance aggregometry in overweight and obese patients and chronic coronary syndrome (CCS) that were treated with dual antiplatelet therapy (DAPT). METHODS Platelet aggregation was assessed by impedance aggregometry in patients with CCS receiving DAPT (aspirin plus clopidogrel). We compared the platelet reactivity in patients with a normal weight versus overweight or obese patients. Furthermore, the correlation between the body mass index (BMI) and adenosine diphosphate- (ADP-) or thrombin receptor-activating peptide- (TRAP-) dependent platelet aggregation was analyzed. RESULTS 64 patients were included in the study of which 35.9% were patients with normal weight. A higher ADP- and TRAP-dependent platelet reactivity was observed in overweight and obese patients (ADP: median 27 units (U) [IQR 13-39.5] vs. 7 U [6-15], p < 0.001 and TRAP: 97 U [73-118.5] vs. 85 U [36-103], p = 0.035). Significant positive correlations were observed between agonist-induced platelet reactivity and BMI. CONCLUSION Despite the use of DAPT, a higher platelet reactivity was found in overweight and obese patients with CCS. If these patients will benefit from treatment with more potent platelet inhibitors, it needs to be evaluated in future clinical trials.
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Affiliation(s)
- Marianna Puccini
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany
| | - Christian Rauch
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany
| | - Kai Jakobs
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Julian Friebel
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - Adel Hassanein
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany
| | - Ulf Landmesser
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - Ursula Rauch
- Charité Center 11-Department of Cardiology, Charité-University Medicine, Berlin, Germany.
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany.
- Department of Cardiology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12200, Berlin, Germany.
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17
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Lo ST, Li RHL, Georges CJ, Nguyen N, Chen CK, Stuhlmann C, Oldach MS, Rivas VN, Fousse S, Harris SP, Stern JA. Synergistic inhibitory effects of clopidogrel and rivaroxaban on platelet function and platelet-dependent thrombin generation in cats. J Vet Intern Med 2023; 37:1390-1400. [PMID: 37208839 PMCID: PMC10365033 DOI: 10.1111/jvim.16727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 04/07/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Dual antithrombotic treatment (DAT) with clopidogrel and rivaroxaban sometimes is prescribed to cats with hypertrophic cardiomyopathy at risk of thromboembolism. To date, no studies have evaluated their combined effects on platelet function. OBJECTIVES/HYPOTHESIS Evaluate the safety of DAT in healthy cats and compare, ex vivo, platelet-dependent thrombin generation and agonist-induced platelet activation and aggregation in cats treated with clopidogrel, rivaroxaban, or DAT. We hypothesized that DAT would safely modulate agonist-induced platelet activation and aggregation more effectively than single agent treatment. ANIMALS Nine apparently healthy 1-year-old cats selected from a research colony. METHODS Unblinded, nonrandomized ex vivo cross-over study. All cats received 7 days of rivaroxaban (0.6 ± 0.1 mg/kg PO), clopidogrel (4.7 ± 0.8 mg/kg PO), or DAT with defined washout periods between treatments. Before and after each treatment, adenosine diphosphate (ADP)- and thrombin-induced platelet P-selectin expression was evaluated using flow cytometry to assess platelet activation. Platelet-dependent thrombin generation was measured by fluorescence assay. Platelet aggregation was assessed using whole blood impedance platelet aggregometry. RESULTS No cats exhibited adverse effects. Of the 3 treatments, only DAT significantly decreased the number of activated platelets (P = .002), modulated platelet activation in response to thrombin (P = .01), dampened thrombin generation potential (P = .01), and delayed maximum reaction velocity (P = .004) in thrombin generation. Like clopidogrel, DAT inhibited ADP-mediated platelet aggregation. However, rivaroxaban alone resulted in increased aggregation and activation in response to ADP. CONCLUSION AND CLINICAL IMPORTANCE Treatment combining clopidogrel and rivaroxaban (DAT) safely decreases platelet activation, platelet response to agonists, and thrombin generation in feline platelets more effectively than monotherapy with either clopidogrel or rivaroxaban.
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Affiliation(s)
- Sara T. Lo
- University of California Davis School of Veterinary MedicineWilliam R. Prichard Veterinary Medical Teaching HospitalDavisCaliforniaUSA
| | - Ronald H. L. Li
- Surgical and Radiological SciencesUniversity of California, DavisDavisCaliforniaUSA
| | - Catherine J. Georges
- University of California Davis School of Veterinary MedicineWilliam R. Prichard Veterinary Medical Teaching HospitalDavisCaliforniaUSA
| | - Nghi Nguyen
- Surgical and Radiological SciencesUniversity of California Davis School of Veterinary MedicineDavisCaliforniaUSA
| | - Cheyenne K. Chen
- Surgical and Radiological SciencesUniversity of California Davis School of Veterinary MedicineDavisCaliforniaUSA
| | - Claire Stuhlmann
- University of California Davis School of Veterinary MedicineWilliam R. Prichard Veterinary Medical Teaching HospitalDavisCaliforniaUSA
| | | | - Victor Noel Rivas
- Medicine and EpidemiologyUniversity of California Davis School of Veterinary MedicineDavisCaliforniaUSA
| | - Samantha Fousse
- University of California Davis School of Veterinary Medicine – VME, UC Davis 2108 Tupper Hall, One Shields AvenueDavis, California 95616‐5270USA
| | - Samantha P. Harris
- Cellular and Molecular Medicine, College of MedicineUniversity of ArizonaTucsonArizonaUSA
| | - Joshua A. Stern
- Department of Medicine & EpidemiologyUniversity of California, Davis, 2108 Tupper Hall, One Shields AvenueDavis, California 95616USA
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18
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Kim S, Her A, Jeong Y, Kim B, Joo HJ, Park Y, Chang K, Song YB, Ahn SG, Suh J, Lee SY, Cho JR, Kim H, Kim MH, Lim D, Shin E. Sex Differences in Midterm Prognostic Implications of High Platelet Reactivity After Percutaneous Coronary Intervention With Drug-Eluting Stents in East Asian Patients: Results From the PTRG-DES (Platelet Function and Genotype-Related Long-Term Prognosis in Drug-Eluting Stent-Treated Patients With Coronary Artery Disease) Consortium. J Am Heart Assoc 2023; 12:e027804. [PMID: 37119080 PMCID: PMC10227230 DOI: 10.1161/jaha.122.027804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 01/18/2023] [Indexed: 04/30/2023]
Abstract
Background Although high platelet reactivity (HPR) on clopidogrel is associated with higher ischemic events and lower bleeding events in patients who have undergone percutaneous coronary intervention with drug-eluting stents, the differential risk of HPR in East Asian women versus men is unknown. Methods and Results We compared 11 714 patients enrolled in the PTRG-DES (Platelet Function and Genotype-Related Long-Term Prognosis in Drug-Eluting Stent-Treated Patients With Coronary Artery Disease) Consortium according to sex and the presence/absence of HPR on clopidogrel (defined as ≥252 P2Y12 reactivity units). The primary study end point was major adverse cardiac and cerebrovascular events (MACCEs; comprising all-cause mortality, myocardial infarction, cerebrovascular accident, and stent thrombosis). HPR was more common in women (46.7%) than in men (28.1%). In propensity-adjusted models, HPR was an independent predictor of MACCEs (men with HPR: hazard ratio [HR], 1.60 [95% CI, 1.20-2.12]; women with HPR: HR, 0.99 [95% CI, 0.69-1.42]) and all-cause mortality (men with HPR: HR, 1.61 [95% CI, 1.07-2.44]; women with HPR: HR, 0.92 [95% CI, 0.57-1.50]) in men, although those associations were insignificant among women. In addition, a significant interaction between sex was noted in the associations between HPR and MACCE (Pinteraction=0.013) or all-cause mortality (Pinteraction=0.025). Conclusions In this study, HPR was a differential risk factor for 1-year MACCEs and all-cause mortality in women and men. And it was an independent predictor of 1-year MACCEs and all-cause mortality in men but not in women. Registration URL: https://www.clinicaltrials.gov; Unique identifier: NCT04734028. Registered July 9, 2003, https://clinicaltrials.gov/ct2/show/NCT04734028.
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Affiliation(s)
- Soo‐Jin Kim
- Division of Cardiology, Department of Internal MedicineKosin University College of MedicineBusanSouth Korea
| | - Ae‐Young Her
- Division of Cardiology, Department of Internal MedicineKangwon National University School of MedicineChuncheonSouth Korea
| | - Young‐Hoon Jeong
- Chung‐Ang University Thrombosis CenterGwangmyeong Chung‐Ang University Medical CenterGwangmyeongSouth Korea
| | - Byeong‐Keuk Kim
- Severance Cardiovascular HospitalYonsei University College of MedicineSeoulSouth Korea
| | - Hyung Joon Joo
- Department of Cardiology, Cardiovascular CenterKorea University Anam Hospital, Korea University College of MedicineSeoulSouth Korea
| | - Yongwhi Park
- Department of Internal MedicineGyeongsang National University School of Medicine and Cardiovascular Center, Gyeongsang National University Changwon HospitalChangwonSouth Korea
| | - Kiyuk Chang
- Division of Cardiology, Department of Internal MedicineCollege of Medicine, Catholic University of KoreaSeoulSouth Korea
| | - Young Bin Song
- Division of Cardiology, Department of Medicine, Samsung Medical CenterSungkyunkwan University School of MedicineSeoulSouth Korea
| | - Sung Gyun Ahn
- Department of CardiologyYonsei University Wonju Severance Christian HospitalWonjuSouth Korea
| | - Jung‐Won Suh
- Department of Internal MedicineSeoul National University College of Medicine and Department of Cardiology, Seoul National University Bundang HospitalSeongnamSouth Korea
| | - Sang Yeub Lee
- Division of Cardiology, Department of Internal MedicineChungbuk National University, College of MedicineCheongjuSouth Korea
| | - Jung Rae Cho
- Cardiology Division, Department of Internal MedicineKangnam Sacred Heart Hospital, Hallym University College of MedicineSeoulSouth Korea
| | - Hyo‐Soo Kim
- Department of Internal Medicine and Cardiovascular CenterSeoul National University HospitalSeoulSouth Korea
| | - Moo Hyun Kim
- Department of CardiologyDong‐A University HospitalBusanSouth Korea
| | - Do‐Sun Lim
- Department of Cardiology, Cardiovascular CenterKorea University Anam Hospital, Korea University College of MedicineSeoulSouth Korea
| | - Eun‐Seok Shin
- Department of CardiologyUlsan University Hospital, University of Ulsan College of MedicineUlsanSouth Korea
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19
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Mueen RM, Hadi NR. LUNG PROTECTIVE EFFECTS OF CLOPIDOGREL IN POLYMICROBIAL SEPSIS. Pol Merkur Lekarski 2023; 51:321-329. [PMID: 37756450 DOI: 10.36740/merkur202304104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
OBJECTIVE Aim: The goal of this experiment was to examine if Clopidogrel might protect the lungs during sepsis by modulating the inflammatory and oxidative stress markers. PATIENTS AND METHODS Materials and Methods: Twenty-four adult male Swiss-albino mice aged 8-12 weeks, with a weighing of 20-30 g, were randomized into 4 equal groups (n=6): sham (Laparotomy without cecal ligation and puncture [CLP]), CLP (laparotomy plus CLP), vehicle (DMSO 1 hour prior to CLP), Clopidogrel (50 mg/g IP 1 hour before to CLP). ELISA was used to assess Lung tissue levels of pro-inflammatory and oxidative stress markers. RESULTS Results: F2 isoprostane levels were significantly higher in the sepsis group (p<0.05) in comparison with sham group, while Clopidogrel was considerably lower (p<0.05) in the inflammatory and oxidative stress markers in comparison to sepsis group. Histologically, all mice in the sepsis group had considerable (p=0.05) lung tissue damage, but Clopidogrel considerably decreased lung tissue injury (p=0.05). CONCLUSION Conclusion: Clopidogrel was found to reduce lung tissue cytokine concentrations (IL-1, TNF a, IL-6, F2 isoprostane, GPR 17, MIF) in male mice during CLP-induced polymicrobial sepsis by modulation of pro-inflammatory and oxidative stress cascade signaling pathways, to the best of our abilities, no study has looked at the effect of Clopidogrel on MIF levels.
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Affiliation(s)
- Ruaa Murtada Mueen
- DEPARTMENT OF PHARMACOLOGY & THERAPEUTICS, FACULTY OF MEDICINE, UNIVERSITY OF KUFA, KUFA, IRAQ
| | - Najah R Hadi
- DEPARTMENT OF PHARMACOLOGY & THERAPEUTICS, FACULTY OF MEDICINE, UNIVERSITY OF KUFA, KUFA, IRAQ
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20
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Chen J, Tang Y, Zhong Y, Wei B, Huang XR, Tang PMK, Xu A, Lan HY. P2Y12 inhibitor clopidogrel inhibits renal fibrosis by blocking macrophage-to-myofibroblast transition. Mol Ther 2022; 30:3017-3033. [PMID: 35791881 PMCID: PMC9481993 DOI: 10.1016/j.ymthe.2022.06.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/07/2022] [Accepted: 06/29/2022] [Indexed: 11/20/2022] Open
Abstract
Clopidogrel, a P2Y12 inhibitor, is a novel anti-fibrosis agent for chronic kidney disease (CKD), but its mechanisms remain unclear, which we investigated by silencing P2Y12 or treating unilateral ureteral obstruction (UUO) in LysM-Cre/Rosa Tomato mice with clopidogrel in vivo and in vitro. We found that P2Y12 was significantly increased and correlated with progressive renal fibrosis in CKD patients and UUO mice. Phenotypically, up to 82% of P2Y12-expressing cells within the fibrosing kidney were of macrophage origin, identified by co-expressing CD68/F4/80 antigens or a macrophage-lineage-tracing marker Tomato. Unexpectedly, more than 90% of P2Y12-expressing macrophages were undergoing macrophage-to-myofibroblast transition (MMT) by co-expressing alpha smooth muscle actin (α-SMA), which was also confirmed by single-cell RNA sequencing. Functionally, clopidogrel improved the decline rate of the estimated glomerular filtration rate (eGFR) in patients with CKD and significantly inhibited renal fibrosis in UUO mice. Mechanistically, P2Y12 expression was induced by transforming growth factor β1 (TGF-β1) and promoted MMT via the Smad3-dependent mechanism. Thus, silencing or pharmacological inhibition of P2Y12 was capable of inhibiting TGF-β/Smad3-mediated MMT and progressive renal fibrosis in vivo and in vitro. In conclusion, P2Y12 is highly expressed by macrophages in fibrosing kidneys and mediates renal fibrosis by promoting MMT via TGF-β/Smad3 signaling. Thus, P2Y12 inhibitor maybe a novel and effective anti-fibrosis agent for CKD.
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Affiliation(s)
- Junzhe Chen
- Department of Nephrology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China; Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Ying Tang
- Department of Nephrology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Yu Zhong
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Biao Wei
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiao-Ru Huang
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China; Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, Guangdong Academy of Medical Science, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Patrick Ming-Kuen Tang
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China; Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China.
| | - Anping Xu
- Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Hui-Yao Lan
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China; Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, Guangdong Academy of Medical Science, Guangdong Provincial People's Hospital, Guangzhou, China.
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21
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Liu L, Li L, Yuan J, Liu W, Li Y, Zhang S, Huang C. Several Non-salt and Solid Thienopyridine Derivatives as Oral P2Y 12 Receptor Inhibitors with Good Stability. Bioorg Med Chem Lett 2022; 75:128969. [PMID: 36058469 DOI: 10.1016/j.bmcl.2022.128969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 11/20/2022]
Abstract
A series of novel thienopyridine derivatives were designed and synthesized as P2Y12 receptor inhibitors. Several solid compounds were assessed for inhibitory effect where they exhibited stronger potency than clopidogrel. Compound 6b and 6g were evaluated for metabolism to verify that they could overcome clopidogrel resistance and for toxicity where they showed lower toxicity than prasugrel. Compound 6b exhibited lower risk of bleeding than prasugrel and showed good stability under stress testing. Overall, as a promising antiplatelet agent, representative compound 6b showed the following advantages: (1) no drug resistance for CYP2C19 poor metabolizers; (2) higher potency than clopidogrel; (3) lower toxicity than prasugrel; (4) lower risk of bleeding than prasugrel; (5) good stability as a non-salt solid.
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Affiliation(s)
- Lei Liu
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China
| | - Lingjun Li
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China
| | - Jing Yuan
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China
| | - Wei Liu
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China
| | - Yuquan Li
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China
| | - Shijun Zhang
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China
| | - Changjiang Huang
- Tianjin Key Laboratory of Molecular Design and Drug Discovery, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China; State Key Laboratory of Drug Delivery Technology and Pharmacokinetics, Tianjin Institute of Pharmaceutical Research, 306 Huiren Road, Tianjin 300301, PR China.
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22
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Hsu H, Chan MV, Armstrong PC, Crescente M, Donikian D, Kondo M, Brighton T, Chen V, Chen Q, Connor D, Joseph J, Morel-Kopp MC, Stevenson WS, Ward C, Warner TD, Rabbolini DJ. A pilot study assessing the implementation of 96-well plate-based aggregometry (Optimul) in Australia. Pathology 2022; 54:746-754. [PMID: 35750510 DOI: 10.1016/j.pathol.2022.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 03/09/2022] [Accepted: 03/21/2022] [Indexed: 11/19/2022]
Abstract
Identification of disordered platelet function is important to guide peri-operative bleeding management as well as long term treatment and prognostic strategies in individuals with platelet bleeding disorders. Light transmission aggregometry (LTA), the current gold standard diagnostic test of platelet function is a time consuming technique almost exclusively performed in specialised laboratories and almost universally unavailable in regional centres in Australia, where there is an unmet need for access to specialised platelet function diagnostic services. 96-well plate-based aggregometry (Optimul, UK), has been utilised in research laboratories as a novel platform to investigate platelet function. We evaluated the Optimul assay at two centres in Australia, one regional and one tertiary metropolitan, to assess its feasibility as a screening test applicable to remote regional centres. Concentration-response curves were established from 45 healthy volunteers at the participating regional hospital and from 31 healthy volunteers at the tertiary institution. Optimul successfully detected anti-platelet effects in individuals taking aspirin (n=4), NSAID (n=2), clopidogrel (n=2) and dual therapy with aspirin and clopidogrel (n=1). When tested in parallel to LTA in individuals referred for the evaluation of abnormal bleeding symptoms there was overall a very good level of agreement between Optimul and LTA [Cohen's kappa (k2)=0.84], supporting its role as a useful screening tool in the assessment of platelet function. Optimul assay performance was quick and the methodology simple, requiring no specialised training or resources to be implemented at either the regional or metropolitan laboratory. Widespread implementation, particularly in regional laboratories within Australia where specialised platelet function testing is unavailable, has the potential to drastically improve the inequity of access to such services.
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Affiliation(s)
- Hannah Hsu
- Prince of Wales Hospital, Sydney, NSW, Australia
| | - Melissa V Chan
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; National Heart, Blood and Lung Institute, Population Sciences Branch, Framingham, MA, USA
| | - Paul C Armstrong
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Marilena Crescente
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Dea Donikian
- Haematology NSW Health Pathology Randwick, Sydney, NSW, Australia
| | - Mayuko Kondo
- Haematology NSW Health Pathology Randwick, Sydney, NSW, Australia
| | - Timothy Brighton
- Haematology NSW Health Pathology Randwick, Sydney, NSW, Australia; Prince of Wales Hospital, Sydney, NSW, Australia
| | - Vivien Chen
- Haematology, Concord Repatriation General Hospital and NSW Health Pathology, Sydney, NSW, Australia; ANZAC Research Institute and University of Sydney, Sydney, NSW, Australia
| | - Qiang Chen
- Northern Blood Research Centre, Kolling Institute, University of Sydney, Sydney, NSW, Australia; Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, NSW, Australia
| | - David Connor
- St Vincent's Centre for Applied Medical Research, Sydney, NSW, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia
| | - Joanne Joseph
- St Vincent's Centre for Applied Medical Research, Sydney, NSW, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia; St Vincent's Hospital, Sydney, NSW, Australia
| | - Marie-Christine Morel-Kopp
- Northern Blood Research Centre, Kolling Institute, University of Sydney, Sydney, NSW, Australia; Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, NSW, Australia
| | - William S Stevenson
- Northern Blood Research Centre, Kolling Institute, University of Sydney, Sydney, NSW, Australia; Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, NSW, Australia
| | - Christopher Ward
- Northern Blood Research Centre, Kolling Institute, University of Sydney, Sydney, NSW, Australia; Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, NSW, Australia
| | - Timothy D Warner
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - David J Rabbolini
- Northern Blood Research Centre, Kolling Institute, University of Sydney, Sydney, NSW, Australia; Northern Clinical School and the Rural Clinical School (Northern Rivers), Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Lismore Base Hospital, Lismore, NSW, Australia.
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23
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Nelson TA, Parker WAE, Ghukasyan Lakic T, Westerbergh J, James SK, Siegbahn A, Becker RC, Himmelmann A, Wallentin L, Storey RF. Differential effect of clopidogrel and ticagrelor on leukocyte count in relation to patient characteristics, biomarkers and genotype: a PLATO substudy. Platelets 2022; 33:425-431. [PMID: 34077291 DOI: 10.1080/09537104.2021.1934667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/11/2021] [Accepted: 05/11/2021] [Indexed: 12/13/2022]
Abstract
Inflammation plays a key role in cardiovascular disease by contributing to atherothrombosis. The PLATelet inhibition and patient Outcomes (PLATO) study (NCT00391872) compared ticagrelor to clopidogrel in patients with acute coronary syndromes and demonstrated fewer cardiovascular events with ticagrelor but lower white blood cell counts (WBC) with clopidogrel. In this further analysis of the PLATO biomarker substudy, we assessed associations between WBC and clinical characteristics, biomarker levels, and CYP2C19 polymorphisms.On-treatment mean (SD) WBC in the clopidogrel group was mildly reduced at each stage of follow-up compared with either the ticagrelor group (1 month: 7.27 (2.1) and 7.67 (2.23) x109/L for clopidogrel and ticagrelor, respectively; p < .001) or following cessation of clopidogrel (7.23 (1.97) x109/L, at 6 months vs 7.56 (2.28) x109/L after treatment cessation; P < .001). This occurred independently of baseline biomarkers and CYP2C19 genotype (where known). Adjusting for clinical characteristics and other biomarkers, no significant interaction was detected between clinical risk factors and the observed effect of clopidogrel on WBC.Clopidogrel weakly suppresses WBC, independent of clinical characteristics, baseline inflammatory biomarker levels, and CYP2C19 genotype. Further work is required to determine the mechanism for this effect and whether it contributes to clopidogrel's efficacy as well as therapeutic interaction with anti-inflammatory drugs.
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Affiliation(s)
- Thomas A Nelson
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - William A E Parker
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Tatevik Ghukasyan Lakic
- Department of Medical Sciences, Cardiology and Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - Johan Westerbergh
- Department of Medical Sciences, Cardiology and Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - Stefan K James
- Department of Medical Sciences, Cardiology and Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - Agneta Siegbahn
- Department of Medical Sciences, Cardiology and Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - Richard C Becker
- Division of Cardiovascular Health and Disease, Heart, Lung and Vascular Institute, University of Cincinnati College of Medicine, OH, USA
| | | | - Lars Wallentin
- Department of Medical Sciences, Cardiology and Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - Robert F Storey
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
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Wang DL, Li X, Wang RN, Sun Y, Xia XS, Tian WJ, Wang L. A study of microRNA-223 in evaluating platelet reactivity in patients with acute ischemic stroke. J Physiol Pharmacol 2022; 73. [PMID: 35793763 DOI: 10.26402/jpp.2022.1.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 02/28/2022] [Indexed: 06/15/2023]
Abstract
To investigate the relationship between plasma microRNA-223 expression and platelet reactivity in patients with acute ischemic stroke (AIS) and to evaluate its predictive value in clopidogrel resistance or high on-treatment platelet reactivity (HTPR). A total of 120 patients with acute ischemic stroke were screened in this study, and 60 patients were included in the acute ischemic stroke group according to the inclusion criteria and platelet reactivity after clopidogrel treatment. control group was 60 non-ischemic stroke patients hospitalized. The levels of phosphorylation of vasodilator-stimulated phosphoprotein (VASP) and adenosine diphosphate-induced platelet aggregation (ADP-PAg) in platelets were detected by flow cytometry. The expression level of plasma microRNA-223 was detected before and after clopidogrel treatment using quantitative real-time polymerase chain reaction (PcR). The AIS group was then divided into the clopidogrel non-HTPR and the clopidogrel HTPR groups based on the relative inhibition rate. We found that: 1) the VASP platelet reactivity index (PRI) was positively correlated with ADP-PAg; 2) before administration, the plasma microRNA-223 expression level and VASP-PRI were higher in the AIS group than in the control group; 3) after administration, the expression level of microRNA-223 was negatively correlated with VASP-PRI; 4) before and after treatment, the plasma microRNA-223 expression level in the clopidogrel HTPR group was lower than in the non-AIS patients; 5) before treatment, there was an interaction between the expression level of microRNA-223 in the plasma and the cYP2c19 loss-of-function (LOF) allele. The study showed that decreased plasma microRNA-223 expression levels in AIS patients indicate an increased risk of clopidogrel HTPR. carrying cYP2c19 LOF alleles may result in the microRNA-223 expression being more distinct. The combined detection of plasma microRNA-223 and cYP2c19 gene polymorphisms may be effective in predicting the occurrence of clopidogrel HTPR in patients with AIS.
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Affiliation(s)
- D-L Wang
- Department of Neurology, The Second Hospital of Tianjin medical University, Tianjin, China
| | - X Li
- Department of Neurology, The Second Hospital of Tianjin medical University, Tianjin, China.
| | - R-N Wang
- Department of Neurology, The Second Hospital of Tianjin medical University, Tianjin, China
| | - Y Sun
- Tianjin Institute of Urology, Tianjin, China
| | - X-S Xia
- Department of Neurology, The Second Hospital of Tianjin medical University, Tianjin, China
| | - W-J Tian
- Department of Neurology, The Second Hospital of Tianjin medical University, Tianjin, China
| | - L Wang
- Department of Geratology, The Second Hospital of Tianjin medical University, Tianjin, China
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25
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Orr-Burks N, Murray J, Todd KV, Bakre A, Tripp RA. Drug repositioning of Clopidogrel or Triamterene to inhibit influenza virus replication in vitro. PLoS One 2021; 16:e0259129. [PMID: 34714852 PMCID: PMC8555795 DOI: 10.1371/journal.pone.0259129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 10/13/2021] [Indexed: 12/22/2022] Open
Abstract
Influenza viruses cause respiratory tract infections and substantial health concerns. Infection may result in mild to severe respiratory disease associated with morbidity and some mortality. Several anti-influenza drugs are available, but these agents target viral components and are susceptible to drug resistance. There is a need for new antiviral drug strategies that include repurposing of clinically approved drugs. Drugs that target cellular machinery necessary for influenza virus replication can provide a means for inhibiting influenza virus replication. We used RNA interference screening to identify key host cell genes required for influenza replication, and then FDA-approved drugs that could be repurposed for targeting host genes. We examined the effects of Clopidogrel and Triamterene to inhibit A/WSN/33 (EC50 5.84 uM and 31.48 uM, respectively), A/CA/04/09 (EC50 6.432 uM and 3.32 uM, respectively), and B/Yamagata/16/1988 (EC50 0.28 uM and 0.11 uM, respectively) replication. Clopidogrel and Triamterene provide a druggable approach to influenza treatment across multiple strains and subtypes.
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Affiliation(s)
- Nichole Orr-Burks
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
| | - Jackelyn Murray
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
| | - Kyle V. Todd
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
| | - Abhijeet Bakre
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
| | - Ralph A. Tripp
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
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Li M, Lan L, Zhang S, Xu Y, He W, Xiang D, Liu D, Ren X, Zhang C. IL-6 downregulates hepatic carboxylesterases via NF-κB activation in dextran sulfate sodium-induced colitis. Int Immunopharmacol 2021; 99:107920. [PMID: 34217990 DOI: 10.1016/j.intimp.2021.107920] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/13/2021] [Accepted: 06/21/2021] [Indexed: 10/21/2022]
Abstract
Ulcerative colitis (UC) is associated with increased levels of inflammatory factors, which is attributed to the abnormal expression and activity of enzymes and transporters in the liver, affecting drug disposition in vivo. This study aimed to examine the impact of intestinal inflammation on the expression of hepatic carboxylesterases (CESs) in a mouse model of dextran sulfate sodium (DSS)-induced colitis. Two major CESs isoforms, CES1 and CES2, were down-regulated, accompanied by decreases in hepatic microsomal metabolism of clopidogrel and irinotecan. Meanwhile, IL-6 levels significantly increased compared with other inflammatory factors in the livers of UC mice. In contrast, using IL-6 antibody simultaneously reversed the down-regulation of CES1, CES2, pregnane X receptor (PXR), and constitutive androstane receptor (CAR), as well as the nuclear translocation of NF-κB in the liver. We further confirmed that treatment with NF-κB inhibitor abolished IL-6-induced down-regulation of CES1, CES2, PXR, and CAR in vitro. Thus, it was concluded that IL-6 represses hepatic CESs via the NF-κB pathway in DSS-induced colitis. These findings indicate that caution should be exercised concerning the proper and safe use of therapeutic drugs in patients with UC.
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Affiliation(s)
- Min Li
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China
| | - Lulu Lan
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China
| | - Si Zhang
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China
| | - Yanjiao Xu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China
| | - Wenxi He
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China
| | - Dong Xiang
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China
| | - Dong Liu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China.
| | - Xiuhua Ren
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China.
| | - Chengliang Zhang
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430043, China.
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Yankin I, Carver AM, Koenigshof AM. The use of impedance aggregometry to evaluate platelet function after the administration of DDAVP in healthy dogs treated with aspirin or clopidogrel. Am J Vet Res 2021; 82:823-828. [PMID: 34554870 DOI: 10.2460/ajvr.82.10.823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the effect of 1-Desamino-8-d-arginine vasopressin (DDAVP; desmopressin acetate) on platelet aggregation in healthy dogs receiving aspirin or clopidogrel. ANIMALS 7 healthy staff-owned dogs. PROCEDURES In this randomized double-blinded crossover study, impedance aggregometry was performed on samples of lithium-heparinized whole blood samples from dogs before (T0) treatment with aspirin (1 mg/kg, PO, q 24 h for 4 days; ASP group) or clopidogrel (1 mg/kg, PO, q 24 h for 4 days; CLP group) and then before (T1) and after (T2) treatment with DDAVP (0.3 μg/kg, IV, once). There was a 14-day washout period before the crossover component. Aggregometry was performed with 4 different assays, each of which involved a different agonist reagent to stimulate platelet function: ADP, thrombin receptor activating peptide-6, arachidonic acid, or collagen type 1. RESULTS Median results for platelet aggregometry with agonist reagents ADP, arachidonic acid, or thrombin receptor activating peptide-6 significantly decreased between T0 and T1 for the CLP group; however, no meaningful difference in platelet aggregation was detected in the ASP group. Results for platelet aggregometry did not differ substantially between T1 and T2 regardless of treatment group or assay. CONCLUSIONS AND CLINICAL RELEVANCE Findings suggested that administration of DDAVP may have no effect on platelet aggregation (measured with platelet aggregometry) in healthy dogs treated with clopidogrel. Because no inhibition of platelet aggregation was detected for dogs in the ASP group, no conclusion could be made regarding the effects of DDAVP administered to dogs treated with aspirin.
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28
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Wu H, Chen X, Ding Y, Deng Y, Ma R, Chen X, Li X. Study on the effect of CYP2C19 genetic polymorphism and plasma concentration on clopidogrel resistance. Pak J Pharm Sci 2021; 34:1685-1691. [PMID: 34803003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
At present, the mechanism for clopidogrel resistance (CR) is incompletely understood. Here, we aimed to analyze of the association of plasma concentration of clopidogrel active metabolites (CAM) and CYP2C19 genetic polymorphism with CR. We assigned 77 patients to receive CLP at a loading dose of 300mg on day 1, followed by 75mg per day from day 2 to day 6. Three peripheral venous blood samples were collected for analysis. Our results showed that plasma concentration of CAM in extensive metabolizers (EMs) group (2.48(1.31, 5.67) ng/mL) was higher than that in intermediate metabolizers (IMs) group (1.44(1.18,3.55) ng/mL) and that in poor metabolizers (PMs) (1.18(1.12,1.33) ng/mL) group was the lowest (H=14.58, P=0.001). Besides, the incidence of CR in EMs group(11.1%) was lower than that in IMs group (20.0%) and that in IMs group was lower than that in PMs group (45.5%) (χ2=6.344, P=0.042). In addition, our findings confirmed that the incidence of chest tightness in IMs group (40.0%) and PMs group (50.0%) was higher than that in EMs group (9.1%) (P=0.015). Over the follow-up period, it was found that CYP2C19 and plasma concentration of CAM were related to the incidence of chest tightness. Our findings indicated that in addition to CYP2C19, plasma concentration of CAM may be an important factor in predicting CR.
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Affiliation(s)
- Hui Wu
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Xinli Chen
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Yongli Ding
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Yanglin Deng
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Ruilan Ma
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Xinyuan Chen
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Xuesong Li
- Department of Pharmacology, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
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29
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Gurbel PA, Tantry US, Bliden KP, Fisher R, Sukavaneshvar S, Dahlen J, Speros PC. Clinical validation of AggreGuide A-100 ADP, a novel assay for assessing the antiplatelet effect of oral P2Y 12 antagonists. J Thromb Thrombolysis 2021; 52:272-280. [PMID: 34143384 DOI: 10.1007/s11239-021-02498-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/01/2021] [Indexed: 11/26/2022]
Abstract
In this prospective, 3-arm, repeated-measure multicenter investigation in 280 patients with cardiovascular risk factors, platelet aggregation was measured with the novel AggreGuide A-100 ADP (A-100 ADP) and VerifyNow (VN)-PRU assays at baseline, and after United States Food and Drug Administration approved loading and 7 days maintenance doses of clopidogrel (n = 94), prasugrel (n = 43) or ticagrelor, (n = 143). Based on the predetermined cutoff values of < 4.7 platelet activity index with A-100 ADP assay to indicate antiplatelet response, more than 91% of patients met the criteria following loading and maintenance doses of prasugrel and more than 84% patients met the criteria following loading and maintenance doses of ticagrelor whereas only 32% and 51% of patients met the criteria following loading and maintenance doses of clopidogrel, respectively. The total percent agreement between the A-100 ADP and VN-PRU assays was 89%. The A-100 ADP assay, which includes whole blood in motion, performs comparably to the VN-PRU assay in a study of patients with cardiovascular risk factors treated with P2Y12 inhibitors possessing known differences in antiplatelet potencies. Trial registration ClinicalTrials.gov Identifier: NCT3111420.
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Affiliation(s)
- Paul A Gurbel
- Sinai Center for Thrombosis Research and Drug Development, Sinai Hospital of Baltimore, Baltimore, MD, 21215, USA.
| | - Udaya S Tantry
- Sinai Center for Thrombosis Research and Drug Development, Sinai Hospital of Baltimore, Baltimore, MD, 21215, USA
| | - Kevin P Bliden
- Sinai Center for Thrombosis Research and Drug Development, Sinai Hospital of Baltimore, Baltimore, MD, 21215, USA
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30
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Sukmawan R, Hoetama E, Suridanda Danny S, Giantini A, Listiyaningsih E, Gilang Rejeki V, Aziz Alkatiri A, Firdaus I. Increase in the risk of clopidogrel resistance and consequent TIMI flow impairment by DNA hypomethylation of CYP2C19 gene in STEMI patients undergoing primary percutaneous coronary intervention (PPCI). Pharmacol Res Perspect 2021; 9:e00738. [PMID: 33641235 PMCID: PMC7915409 DOI: 10.1002/prp2.738] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/01/2021] [Indexed: 11/10/2022] Open
Abstract
Clopidogrel resistance is an important risk factor of ischemic event recurrence after optimal antiplatelet therapy. This study aims to investigate the role of CYP2C19 gene DNA methylation as one of the epigenetic factors for the risk of clopidogrel resistance in STEMI patients undergoing PPCI. ST-segment elevation myocardial infarction (STEMI) patients undergoing PPCI were pretreated with clopidogrel, and their platelet function was measured using VerifyNow™ assay. The criteria for high on-treatment platelet reactivity (HPR) were defined according to the expert consensus criteria (PRU >208). DNA methylation of the CYP2C19 gene was performed using bisulfite genomic sequencing technology. Furthermore, clinical, laboratory, and angiographic data including TIMI flow were collected. Among 122 patients, clopidogrel resistance was found in 22%. DNA methylation level percentage was lower in the clopidogrel resistance group (76.7 vs. 88.8, p-value .038). But, the <50% methylation group was associated with increased risk of clopidogrel resistance (OR =4.5, 95%CI =2.1-9.3, p-value = .018). This group was also found to have suboptimal post-PCI TIMI flow (OR =3.4 95%CI =1.3-8.7, p-value =.045). The lower DNA methylation level of the CYP2C19 gene increases the risk of clopidogrel resistance and subsequent poorer clinical outcome.
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Affiliation(s)
- Renan Sukmawan
- Cardiology and Vascular Medicine DepartmentFaculty of Medicine Universitas IndonesiaNational Cardiovascular Center Harapan KitaJakartaIndonesia
| | - Erick Hoetama
- Cardiology and Vascular Medicine DepartmentFaculty of Medicine Universitas IndonesiaNational Cardiovascular Center Harapan KitaJakartaIndonesia
| | - Siska Suridanda Danny
- Cardiology and Vascular Medicine DepartmentFaculty of Medicine Universitas IndonesiaNational Cardiovascular Center Harapan KitaJakartaIndonesia
| | - Astuti Giantini
- Clinical Pathology DepartmentFaculty of Medicine Universitas IndonesiaDr. Cipto Mangunkusumo National Public HospitalJakartaIndonesia
| | - Erlin Listiyaningsih
- Indonesian Cardiovascular Research CenterNational Cardiovascular Center Harapan KitaJakartaIndonesia
| | - Vidya Gilang Rejeki
- Cardiology and Vascular Medicine DepartmentFaculty of Medicine Universitas IndonesiaNational Cardiovascular Center Harapan KitaJakartaIndonesia
| | - Amir Aziz Alkatiri
- Cardiology and Vascular Medicine DepartmentFaculty of Medicine Universitas IndonesiaNational Cardiovascular Center Harapan KitaJakartaIndonesia
| | - Isman Firdaus
- Cardiology and Vascular Medicine DepartmentFaculty of Medicine Universitas IndonesiaNational Cardiovascular Center Harapan KitaJakartaIndonesia
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31
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Akkaif MA, Daud NAA, Sha’aban A, Ng ML, Abdul Kader MAS, Noor DAM, Ibrahim B. The Role of Genetic Polymorphism and Other Factors on Clopidogrel Resistance (CR) in an Asian Population with Coronary Heart Disease (CHD). Molecules 2021; 26:molecules26071987. [PMID: 33915807 PMCID: PMC8036376 DOI: 10.3390/molecules26071987] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/06/2021] [Accepted: 03/19/2021] [Indexed: 12/14/2022] Open
Abstract
Clopidogrel is a widely-used antiplatelet drug. It is important for the treatment and prevention of coronary heart disease. Clopidogrel can effectively reduce platelet activity and therefore reduce stent thrombosis. However, some patients still have ischemic events despite taking the clopidogrel due to the alteration in clopidogrel metabolism attributable to various genetic and non-genetic factors. This review aims to summarise the mechanisms and causes of clopidogrel resistance (CR) and potential strategies to overcome it. This review summarised the possible effects of genetic polymorphism on CR among the Asian population, especially CYP2C19 *2 / *3 / *17, where the prevalence rate among Asians was 23.00%, 4.61%, 15.18%, respectively. The review also studied the effects of other factors and appropriate strategies used to overcome CR. Generally, CR among the Asian population was estimated at 17.2-81.6%. Therefore, our overview provides valuable insight into the causes of RC. In conclusion, understanding the prevalence of drug metabolism-related genetic polymorphism, especially CYP2C19 alleles, will enhance clinical understanding of racial differences in drug reactions, contributing to the development of personalised medicine in Asia.
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Affiliation(s)
- Mohammed Ahmed Akkaif
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.A.); (N.A.A.D.); (A.S.); (D.A.M.N.)
| | - Nur Aizati Athirah Daud
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.A.); (N.A.A.D.); (A.S.); (D.A.M.N.)
| | - Abubakar Sha’aban
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.A.); (N.A.A.D.); (A.S.); (D.A.M.N.)
| | - Mei Li Ng
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Penang 13200, Malaysia;
| | | | - Dzul Azri Mohamed Noor
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.A.); (N.A.A.D.); (A.S.); (D.A.M.N.)
| | - Baharudin Ibrahim
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.A.); (N.A.A.D.); (A.S.); (D.A.M.N.)
- Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: ; Tel.: +60-103664181
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Abstract
Trimethylamine-N-oxide (TMAO) can activate platelets and increase thrombosis risk in clinical and experimental models. Meanwhile, the patients with coronary artery disease have higher serum TMAO level. However, it remains unknown whether Clopidogrel Resistance (CR) could be attributed to TMAO. The present study aimed investigate the effects of TMAO on clopidogrel in ischemia and reperfusion (IR) model in rats. Clopidogrel could (1) promote the production of platelets, induce an increase in the platelet-larger cell ratio; (2) prolong the tail bleeding time; (3) reduce platelet aggregation function, induced by ADP, and alleviate myocardial thrombus burden. TMAO could partially offset the effects of clopidogrel and induce CR. Thus, the present study demonstrated that circulating TMAO could reduce the inhibitory effects of clopidogrel on platelet aggregation. TMAO may be a potential mediator of clopidogrel resistance.
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Affiliation(s)
- Ruisong Ma
- Department of Cardiology, Hainan General Hospital, Haikou, People's Republic of China
| | - Wenwen Fu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, People's Republic of China
| | - Jing Zhang
- Department of Cardiology, The First College of Clinical Medical Sciences, China Three Gorges University, Yichang, People's Republic of China
| | - Xiaorong Hu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, 430071, People's Republic of China.
| | - Jun Yang
- Department of Cardiology, The First College of Clinical Medical Sciences, China Three Gorges University, Yichang, People's Republic of China
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, People's Republic of China
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Lee S, Wadowski PP, Hoberstorfer T, Weikert C, Pultar J, Kopp CW, Panzer S, Gremmel T. Decreased Platelet Inhibition by Thienopyridines in Hyperuricemia. Cardiovasc Drugs Ther 2021; 35:51-60. [PMID: 32845391 PMCID: PMC7808981 DOI: 10.1007/s10557-020-07058-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/17/2020] [Indexed: 12/01/2022]
Abstract
PURPOSE Hyperuricemia carries an increased risk of atherothrombotic events in acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention (PCI). This may at least in part be due to inadequate P2Y12 inhibition. The aim of this study was to prospectively investigate the potential association between hyperuricemia and decreased platelet inhibition by P2Y12 antagonists. METHODS Levels of uric acid as well as on-treatment residual platelet reactivity in response to adenosine diphosphate (ADP) were assessed in 301 clopidogrel-treated patients undergoing elective angioplasty and stenting, and in 206 prasugrel- (n = 118) or ticagrelor-treated (n = 88) ACS patients following acute PCI. Cut-off values for high on-treatment residual ADP-inducible platelet reactivity (HRPR) were based on previous studies showing an association of test results with clinical outcomes. RESULTS Hyperuricemia was significantly associated with increased on-treatment residual ADP-inducible platelet reactivity in clopidogrel- and prasugrel-treated patients in univariate analyses and after adjustment for differences in patient characteristics by multivariate regression analyses. In contrast, ticagrelor-treated patients without and with hyperuricemia showed similar levels of on-treatment residual platelet reactivity to ADP. HRPR occurred more frequently in clopidogrel- and prasugrel-treated patients with hyperuricemia than in those with normal uric acid levels. In contrast, hyperuricemic patients receiving ticagrelor did not have a higher risk of HRPR compared with those with normal uric acid levels. CONCLUSION Hyperuricemia is associated with decreased platelet inhibition by thienopyridines but a normal response to ticagrelor. It remains to be established if lowering uric acid increases the antiplatelet effects of clopidogrel and prasugrel in hyperuricemic patients with HRPR.
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Affiliation(s)
- Silvia Lee
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Patricia P Wadowski
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Timothy Hoberstorfer
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Constantin Weikert
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Joseph Pultar
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Christoph W Kopp
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Simon Panzer
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
| | - Thomas Gremmel
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria.
- Department of Internal Medicine I, Landesklinikum Mistelbach-Gänserndorf, Mistelbach, Austria.
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Adamiak-Giera U, Czerkawska A, Olędzki S, Kurzawski M, Safranow K, Jastrzębska M, Gawrońska-Szklarz B. Impact of selected genetic factors on clopidogrel inactive metabolite level and antiplatelet response in patients after percutaneous coronary intervention. Pharmacol Rep 2020; 73:583-593. [PMID: 33270185 PMCID: PMC7994215 DOI: 10.1007/s43440-020-00197-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 11/11/2020] [Accepted: 11/16/2020] [Indexed: 11/25/2022]
Abstract
Background and objective Clopidogrel is frequently used as part of optimal dual antiplatelet therapy in high-bleeding risk patients with the acute coronary syndrome. The concentration of the inactive carboxylic acid metabolite of clopidogrel might be useful to evaluate the response to clopidogrel therapy. Therefore, we sought to correlate the inhibition of platelet aggregation with the plasma level of the inactive metabolite of clopidogrel in patients after percutaneous coronary interventions (PCI) and their associations with the most frequently studied genetic polymorphisms. For this purpose, the fast and simple HPLC method for determining the concentration of the inactive metabolite was developed. Methods The effect of CYP2C19, CYP3A4/5, ABCB1 and PON1 genes on the plasma inactive metabolite concentration of clopidogrel and the platelet aggregation was investigated in 155 patients before and after PCI. Results The concentration of the inactive metabolite of clopidogrel was not significantly different in the intermediate metabolizers (IM) of CYP2C19 compared with extensive metabolizers (EM) both before and after PCI, while inhibition of platelet aggregation was found to be significantly better in EM than in IM. The presence of the A allele at position 2677 in the ABCB1 gene was associated with a significantly lower concentration of inactive metabolite of clopidogrel before PCI. Conclusion The CYP2C19*2 allele was associated with decreased platelet reactivity during clopidogrel therapy before and after PCI. Simultaneous determination of platelet aggregation and concentration of the inactive clopidogrel metabolite may be useful in clinical practice to find the cause of adverse effects or insufficient treatment effect in patients chronically treated with clopidogrel.
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Affiliation(s)
- Urszula Adamiak-Giera
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Szczecin, Poland.
| | - Anna Czerkawska
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Szczecin, Poland
| | - Szymon Olędzki
- Department of Cardiology, Pomeranian Medical University, Szczecin, Poland
| | - Mateusz Kurzawski
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, Szczecin, Poland
| | - Krzysztof Safranow
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Szczecin, Poland
| | - Maria Jastrzębska
- Department of Laboratory Diagnostics and Molecular Medicine, Pomeranian Medical University, Szczecin, Poland
| | - Barbara Gawrońska-Szklarz
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Szczecin, Poland
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35
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Uematsu K, Sakayori T, Ishida H, Omori Y, Kitano K, Matsubara H, Enomoto Y. Correlation Between the VerifyNow P2Y 12 Assay and the Newly Developed APAL System in Neuroendovascular Patients. Ann Clin Lab Sci 2020; 50:490-496. [PMID: 32826246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
OBJECTIVE Light transmission aggregometry (LTA) is the gold standard method for assessing platelet function. Recently, a new parameter called adenosine diphosphate (ADP)-induced platelet aggregation level (APAL) was developed to aid interpretation of LTA results. APAL is a score calculated based on platelet aggregation patterns upon exposure to 1 μM and 10 μM ADP and is determined using an automated coagulation analyzer. We compared APAL and VerifyNow P2Y12 assay for neuroendovascular patients. METHODS 42 patients who have received antiplatelet therapy were studied. Platelet function tests were performed on CS-2400 for APAL and VerifyNow P2Y12 assay was used for P2Y12 reaction unit (PRU) and % inhibition. RESULTS Moderate correlations were observed between APAL and PRU (r=0.64, p<0.001) and between APAL and % inhibition (r=-0.74, p<0.001). The optimal threshold for APAL was 8.2 for PRU (threshold=240) and 8.1 for % inhibition (threshold=26%). The percentage of agreement between the above thresholds was 90.9% between PRU and APAL and 77.3% between % inhibition and APAL. CONCLUSIONS The APAL system exhibits moderate correlation with PRU and % inhibition. APAL testing is a good choice for a clinical laboratory already in possession of Sysmex CS series analyzers. In this setting, APAL testing can significantly decrease the cost of platelet function testing for patients on antiplatelet therapy.
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Affiliation(s)
- Kodai Uematsu
- Department of Neurosurgery, Gifu Prefectural General Medical Center, Gifu
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu
| | - Tasuku Sakayori
- Protein Technology, Engineering 1, Sysmex Corporation, Kobe, Hyogo
| | - Hidekazu Ishida
- Division of Clinical Laboratory, Gifu University Hospital, Gifu, Japan
| | - Yukari Omori
- Division of Clinical Laboratory, Gifu University Hospital, Gifu, Japan
| | - Keisuke Kitano
- Protein Technology, Engineering 1, Sysmex Corporation, Kobe, Hyogo
| | - Hirofumi Matsubara
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu
| | - Yukiko Enomoto
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu
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Fontana P, Ibberson M, Stevenson B, Wigger L, Daali Y, Niknejad A, Mach F, Docquier M, Xenarios I, Cuisset T, Alessi MC, Reny JL. Contribution of exome sequencing to the identification of genes involved in the response to clopidogrel in cardiovascular patients. J Thromb Haemost 2020; 18:1425-1434. [PMID: 32077582 DOI: 10.1111/jth.14776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 02/06/2020] [Accepted: 02/14/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND On-clopidogrel platelet reactivity (PR) is associated with the risk of thrombotic or bleeding event in selected populations of high-risk patients. PR is a highly heritable phenotype and a few variants of cytochrome genes, essentially CYP2C19, are associated with PR but only explain 5% to 12% of the variability. OBJECTIVE The aim of this study is to delineate genetic determinants of on-clopidogrel PR using high-throughput sequencing. METHODS We performed a whole exome sequencing of 96 low- and matched high-PR patients in a discovery cohort. Exomes from genes with variants significantly associated with PR were sequenced in 96 low- and matched high-PR patients from an independent replication cohort. RESULTS We identified 585 variants in 417 genes with an adjusted P value < .05. In the replication cohort, all top variants including CYP2C8, CYP2C18, and CYP2C19 from the discovery population were found again. An original network analysis identified several candidate genes of potential interest such as a regulator of PI3K, a key actor in the downstream signaling pathway of the P2Y12 receptor. CONCLUSION This study emphasizes the role of CYP-related genes as major regulators of clopidogrel response, including the poorly investigated CYP2C8 and CYP2C18.
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Affiliation(s)
- Pierre Fontana
- Geneva Platelet Group, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Division of Angiology and Haemostasis, Geneva University Hospitals, Geneva, Switzerland
| | - Mark Ibberson
- SIB Swiss Institute of Bioinformatics, Vital-IT Group, University of Lausanne, Lausanne, Switzerland
| | - Brian Stevenson
- SIB Swiss Institute of Bioinformatics, Vital-IT Group, University of Lausanne, Lausanne, Switzerland
| | - Leonore Wigger
- SIB Swiss Institute of Bioinformatics, Vital-IT Group, University of Lausanne, Lausanne, Switzerland
| | - Youssef Daali
- Geneva Platelet Group, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Anne Niknejad
- SIB Swiss Institute of Bioinformatics, Vital-IT Group, University of Lausanne, Lausanne, Switzerland
| | - François Mach
- Division of Angiology and Haemostasis, Geneva University Hospitals, Geneva, Switzerland
| | - Mylène Docquier
- iGE3 Genomics platform, University of Geneva, Geneva, Switzerland
| | - Ioannis Xenarios
- SIB Swiss Institute of Bioinformatics, Vital-IT Group, University of Lausanne, Lausanne, Switzerland
| | - Thomas Cuisset
- INSERM, INRA, C2VN, APHM, Aix Marseille University, Marseille, France
| | | | - Jean-Luc Reny
- Geneva Platelet Group, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Division of General Internal Medicine, Geneva University Hospitals, Geneva, Switzerland
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Abstract
Clopidogrel is the cornerstone antiplatelet used in the treatment and prevention of thrombotic events. Some studies examined the effect of CYP2C19 polymorphism and nongenetic factors on clopidogrel response in the Middle East and North Africa (MENA) region. However, the consistency among these studies is yet unknown. This study aims to estimate the prevalence of CYP2C19 genetic variants in MENA region and to evaluate the effect of these variants as well as the nongenetic factors on clopidogrel responsiveness. A systematic literature search was performed to identify relevant articles. Only observational studies were included. A total of 20 studies in 8 different populations were included. The CYP2C19*2 variant is the most prevalent loss-of-function (LOF) allele in the MENA region (1.7%-35%). The frequency of CYP2C19*17 ranged from 5.3% to 26.9%. Of the 9 studies, 6 found an association between carriers of at least 1 LOF allele and clopidogrel resistance. Older age, high body mass index, females, and the use of calcium channel blockers were associated with clopidogrel resistance as well. Association between the CYP2C19*2 allele and clopidogrel resistance is common among MENA populations. Future studies should focus on having larger sample sizes to detect other minor variant alleles and their effect on bleeding and cardiovascular outcomes.
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Affiliation(s)
- Zainab Ali
- College of Pharmacy, Qatar University, Doha, Qatar
| | - Hazem Elewa
- College of Pharmacy, Qatar University, Doha, Qatar
- Hazem Elewa, College of Pharmacy, Qatar University,
Doha 2713, Qatar.
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Abstract
BACKGROUND VerifyNow (VN; Accumetrics, San Diego, CA) P2Y12 reaction unit (PRU) has an inverse relation with hemoglobin level (Hb). Chronic kidney disease (CKD) is associated with low response to clopidogrel and low Hb. Our aim is to investigate the relation between PRU and Hb, and to assess whether Hb directly affects PRU or not in patients with CKD undergoing hemodialysis (HD). METHODS We analyzed the relation between PRU and Hb in 43 HD patients and compared it with a control group of 127 patients with normal renal function. Both groups underwent percutaneous coronary intervention for stable coronary artery disease. We also compared PRU between the 2 groups considering Hb as a confounding factor. RESULTS In the control group, Hb and PRU showed a significant inverse correlation (correlation coefficient r = -0.340; P < .001), but not in the HD group (correlation coefficient r = -0.099; P = .53). PRU was higher in the HD group than the control group after adjusting for the influence of Hb (299.2 [95% confidence interval: 278.4-316.7] vs 248.7 [95% confidence interval: 227.7-269.0]; P < .001), even after propensity score matching (299.2 [95% confidence interval: 278.4-316.7] vs 241.7 [95% confidence interval: 221.8-262.2]; P < .001). CONCLUSIONS PRU was higher regardless of lower Hb in CKD on HD patients than normal renal function patients. Therefore, Hb was not crucial factor to decide PRU in CKD on HD patients in this study.
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Affiliation(s)
- Jae Min Kim
- Division of Cardiology, Department of Internal Medicine, St. Carollo General Hospital, Suncheon-si
| | | | - Hyung Oh Kim
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - So Ra Lee
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Jae Hwan Rhew
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Jong Shin Woo
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Jang Hyun Cho
- Division of Cardiology, Department of Internal Medicine, St. Carollo General Hospital, Suncheon-si
| | | | - Weon Kim
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
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Abstract
The use of traditional Chinese medicine (TCM) has obtained more and more acceptance all over the world due to its multi-target and multi-level function characteristics. Clopidogrel is a major therapeutic option to reduce atherothrombotic events in patients with acute coronary syndrome, recent myocardial infarction, recent stroke or established peripheral arterial disease. These patients probably take TCM. Are there any interactions between clopidogrel and TCM? Whether TCM will affect the efficacy of clopidogrel or increase the adverse reactions of bleeding? Clarifying this information will help physicians make better use of TCM. A literature search was carried out using Web of Science, PubMed and the Cochrane Library to analyze the pharmacokinetic or pharmacodynamic interactions of clopidogrel and TCM. Some herbs can increase the AUC or Cmax of clopidogrel, such as Scutellarin, Danggui, Gegen, Sauchinone and Dengzhan Shengmai capsules. Whereas others can decrease clopidogrel, for example, Ginkgo and Danshen. Furthermore, some herbs can increase the AUC or Cmax of clopidogrel active metabolite, including Ginkgo and Xuesaitong tablet. And others can decrease the clopidogrel active metabolite, such as Scutellarin, Danshen, Fufang Danshen Dripping Pill and Dengzhan Shengmai capsules. Additionally, Schisandra chinensis, Danggui, Gegen and Fufang Danshen Dripping Pill can decrease the AUC or Cmax of the clopidogrel inactive metabolite, while Curcumin on the contrary. The pharmacodynamics of Panax notoginseng, Notoginsenoside Ft1, Hypericum perforatum, Shexiang baoxin pills, Naoxintong capsule increased the antiplatelet activity compared with clopidogrel alone, while Danshen decreased the platelet inhibition. In adverse reactions, Danggui can enhance the adverse effects of clopidogrel on the bleeding time. With more awareness and understanding on potential drug-herb interactions of clopidogrel and TCM, it may be possible to combine clopidogrel with TCM herbs to yield a better therapeutic outcome.
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Affiliation(s)
- Yunzhen Hu
- Department of Pharmacy, The First Affiliated Hosptial, College of Medicine, Zhejiang University, Hangzhou, China.
| | - Jing Wang
- Department of Pharmacy, The First Affiliated Hosptial, College of Medicine, Zhejiang University, Hangzhou, China
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Wu HY, Zhang C, Zhao X, Qian JY, Wang QB, Ge JB. Residual platelet reactivity is preferred over platelet inhibition rate in monitoring antiplatelet efficacy: insights using thrombelastography. Acta Pharmacol Sin 2020; 41:192-197. [PMID: 31515526 PMCID: PMC7468573 DOI: 10.1038/s41401-019-0278-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 06/23/2019] [Indexed: 12/27/2022] Open
Abstract
Although thrombelastography (TEG) has been widely implemented in the clinical setting of endovascular intervention, consensus on the optimal parameter for defining high ischemic risk patients is lacking due to the limited data about the relationship between various TEG parameters and clinical outcomes. In this article, we report a post hoc analysis of a prospective, single-center cohort study, including 447 patients with acute coronary syndrome (ACS). Arachidonic acid (AA)- or adenosine diphosphate (ADP)-induced platelet-fibrin clot strength (MAAA or MAADP) was indicative of the net residual platelet reactivity after the treatment with aspirin or clopidogrel, respectively. AA% or ADP% was indices of the relative platelet inhibition rate on AA or ADP pathway. We found that each parameter alone was predictive of the risk of 6-month ischemic event, even after adjusting for confounding factors. However, the association between AA% and clinical outcome disappeared when further adjusted for MAAA. Likewise, inclusion of MAADP changed the significant relation between ADP% and clinical outcome. MAADP > 47.0 mm and MAAA > 15.1 mm were identified as the optimal cutoffs by receiver operating characteristic analysis. High MAAA (HR = 3.963; 95% CI: 1.152-13.632; P = 0.029) and high MAADP (HR = 5.185; 95% CI: 2.228-12.062; P < 0.001) were independent predictors when both were included in multivariable Cox regression hazards model. Interestingly, an even higher risk was found for the coexisting high MAAA and high MAADP (HR = 7.870; 95% CI: 3.462-17.899; P < 0.001). We conclude that when performing TEG to predict clinical efficacy, residual platelet reactivity has superiority over platelet inhibition rate as a measure of thrombotic risk in patients treated with aspirin and clopidogrel after ACS.
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Affiliation(s)
- Hong-Yi Wu
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Chi Zhang
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xin Zhao
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Ju-Ying Qian
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Qi-Bing Wang
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Jun-Bo Ge
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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De Backer O, Dangas GD, Jilaihawi H, Leipsic JA, Terkelsen CJ, Makkar R, Kini AS, Veien KT, Abdel-Wahab M, Kim WK, Balan P, Van Mieghem N, Mathiassen ON, Jeger RV, Arnold M, Mehran R, Guimarães AHC, Nørgaard BL, Kofoed KF, Blanke P, Windecker S, Søndergaard L. Reduced Leaflet Motion after Transcatheter Aortic-Valve Replacement. N Engl J Med 2020; 382:130-139. [PMID: 31733182 DOI: 10.1056/nejmoa1911426] [Citation(s) in RCA: 175] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Subclinical leaflet thickening and reduced leaflet motion of bioprosthetic aortic valves have been documented by four-dimensional computed tomography (CT). Whether anticoagulation can reduce these phenomena after transcatheter aortic-valve replacement (TAVR) is not known. METHODS In a substudy of a large randomized trial, we randomly assigned patients who had undergone successful TAVR and who did not have an indication for long-term anticoagulation to a rivaroxaban-based antithrombotic strategy (rivaroxaban [10 mg] plus aspirin [75 to 100 mg] once daily) or an antiplatelet-based strategy (clopidogrel [75 mg] plus aspirin [75 to 100 mg] once daily). Patients underwent evaluation by four-dimensional CT at a mean (±SD) of 90±15 days after randomization. The primary end point was the percentage of patients with at least one prosthetic valve leaflet with grade 3 or higher motion reduction (i.e., involving >50% of the leaflet). Leaflet thickening was also assessed. RESULTS A total of 231 patients were enrolled. At least one prosthetic valve leaflet with grade 3 or higher motion reduction was found in 2 of 97 patients (2.1%) who had scans that could be evaluated in the rivaroxaban group, as compared with 11 of 101 (10.9%) in the antiplatelet group (difference, -8.8 percentage points; 95% confidence interval [CI], -16.5 to -1.9; P = 0.01). Thickening of at least one leaflet was observed in 12 of 97 patients (12.4%) in the rivaroxaban group and in 33 of 102 (32.4%) in the antiplatelet group (difference, -20.0 percentage points; 95% CI, -30.9 to -8.5). In the main trial, the risk of death or thromboembolic events and the risk of life-threatening, disabling, or major bleeding were higher with rivaroxaban (hazard ratios of 1.35 and 1.50, respectively). CONCLUSIONS In a substudy of a trial involving patients without an indication for long-term anticoagulation who had undergone successful TAVR, a rivaroxaban-based antithrombotic strategy was more effective than an antiplatelet-based strategy in preventing subclinical leaflet-motion abnormalities. However, in the main trial, the rivaroxaban-based strategy was associated with a higher risk of death or thromboembolic complications and a higher risk of bleeding than the antiplatelet-based strategy. (Funded by Bayer; GALILEO-4D ClinicalTrials.gov number, NCT02833948.).
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Affiliation(s)
- Ole De Backer
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - George D Dangas
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Hasan Jilaihawi
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Jonathon A Leipsic
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Christian J Terkelsen
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Raj Makkar
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Annapoorna S Kini
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Karsten T Veien
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Mohamed Abdel-Wahab
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Won-Keun Kim
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Prakash Balan
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Nicolas Van Mieghem
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Ole N Mathiassen
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Raban V Jeger
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Martin Arnold
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Roxana Mehran
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Ana H C Guimarães
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Bjarne L Nørgaard
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Klaus F Kofoed
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Philipp Blanke
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Stephan Windecker
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
| | - Lars Søndergaard
- From the Heart Center, Rigshospitalet, Copenhagen University Hospital, University of Copenhagen, Copenhagen (O.D.B., K.F.K., L.S.); the Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai Hospital (G.D.D., A.S.K., R. Mehran), and NYU Langone Health (H.J.) - both in New York; National and Kapodistrian University of Athens, Athens (G.D.D.); the Department of Medical Imaging, St. Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L., P. Blanke); the Department of Cardiology, Aarhus University Hospital, Aarhus (C.J.T., O.N.M., B.L.N.), and the Department of Cardiology, Odense University Hospital, Odense (K.T.V.) - both in Denmark; Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles (R. Makkar); the Department of Cardiology, Heart Center, Segeberger Kliniken, Bad Segeberg (M.A.-W.), Heart Center Leipzig, University of Leipzig, Leipzig (M.A.-W.), Kerckhoff Heart Center, Department of Cardiology and Cardiac Surgery, Bad Nauheim (W.-K.K.), and Kardiologie und Angiologie, Universitätsklinikum Erlangen, Erlangen (M.A.) - all in Germany; the Department of Internal Medicine, University of Texas Health Science Center, Houston (P. Balan); Thoraxcentrum, Erasmus Medisch Centrum (N.V.M.), European Cardiovascular Research Institute (A.H.C.G.), and Cardialysis, Academic Research Organization (A.H.C.G.) - all in Rotterdam, the Netherlands; and the Department of Cardiology, Basel University Hospital, University of Basel, Basel (R.V.J.), and the Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern (S.W.) - both in Switzerland
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Al-Zakwani I, Al-Lawati J, Alsheikh-Ali AA, Almahmeed W, Rashed W, Al-Mulla A, Zubaid M. Impact of Dual versus Single Antiplatelet Therapy on Major Cardiovascular Outcomes in Patients with Acute Coronary Syndrome in the Arabian Gulf. Med Princ Pract 2020; 29:181-187. [PMID: 31533118 PMCID: PMC7098312 DOI: 10.1159/000503438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 09/18/2019] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To evaluate the association of dual versus single antiplatelet therapy with major adverse cardiovascular events (MACE) in patients with acute coronary syndrome (ACS) in the Arabian Gulf. SUBJECTS AND METHODS Data were analyzed from 3,559 patients with a diagnosis of ACS admitted to 29 hospitals in 4 Arabian Gulf countries (Bahrain, Kuwait, Oman, and United Arab Emirates) from January 2012 to January 2013. Dual antiplatelet therapy (DAPT), consisting of aspirin and clopidogrel, was compared to aspirin alone. MACE included 12-months cumulative stroke/transient ischemic attack (TIA), myocardial infarction (MI), all-cause mortality, and readmissions for cardiac reasons, post discharge. Analyses were performed using multivariable logistic regression. RESULTS A total of 74% (n = 2,634) of the patients were on DAPT. At 12-month follow-up, patients on DAPT were significantly less likely to experience MACE events (adjusted OR [aOR] 0.73; 95% CI: 0.61-0.86; p < 0.001). Lower cardiovascular (CV) event rates were also consistent across the following MACE components; MI (aOR 0.66; 95% CI: 0.49-0.88; p = 0.005), all-cause mortality (aOR 0.69; 95% CI: 0.51-0.94; p = 0.018), and readmissions for cardiac reasons (aOR 0.79; 95% CI: 0.66-0.95; p = 0.011). Conversely, DAPT was adversely associated with increased risk of stroke/TIA (aOR 1.68; 95% CI: 1.05-2.69; p = 0.030). CONCLUSIONS DAPT, compared to aspirin therapy alone, was generally associated with better CV outcomes after an ACS event. However, DAPT was adversely associated with increased risk of stroke/TIA in ACS patients in the Arabian Gulf.
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Affiliation(s)
- Ibrahim Al-Zakwani
- Department of Pharmacology and Clinical Pharmacy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman,
- Gulf Health Research, Muscat, Oman,
| | - Jawad Al-Lawati
- Directorate General, Primary Health Care, Ministry of Health, Muscat, Oman
| | - Alawi A Alsheikh-Ali
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
- Institute of Cardiac Sciences, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - Wael Almahmeed
- Heart and Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Wafa Rashed
- Department of Medicine, Mubarak Al-Kabeer Hospital, Ministry of Health, Kuwait City, Kuwait
| | - Arif Al-Mulla
- Adult Cardiology, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - Mohammad Zubaid
- Department of Medicine, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
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43
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Li H, Chen H, Chen W, Xu H, Yuan F, Yang M, Sun H, Yang J, Liu Y, Lai X, Gong Y, Liu X, Li Y, Sheng L, Liu C, Li X. Platelet inhibitory activity, tolerability, and safety of vicagrel, a novel thienopyridine P2Y12 inhibitor. Medicine (Baltimore) 2020; 99:e18683. [PMID: 31977858 PMCID: PMC7004678 DOI: 10.1097/md.0000000000018683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Vicagrel is a new antiplatelet pro-drug based on clopidogrel sulfur lactone metabolites. The purpose of the study was to evaluate the safety, tolerability, and pharmacodynamics (PD) of vicagrel in healthy Chinese subjects.This study was designed as a single-center, randomized, double-blind, placebo-controlled, single oral ascending dose study. Fifty nine subjects were assigned to 6 vicagrel dose cohorts (5, 10, 20, 40, 60, and 75 mg), and 8 subjects were assigned to 75 mg clopidogrel. Within each vicagrel dose cohort, the 10 subjects (9 in the 75 mg cohort) were randomized 4:1 to receive vicagrel or placebo. Platelet function was assessed using VerifyNow P2Y12. ΔP2Y12 reaction units (ΔPRU) and percent inhibition platelet aggregation (%IPA) were used to evaluate the PD of vicagrel.Although the number of adverse events (AEs) increased with vicagrel dose, none were considered serious, suggesting that vicagrel is safe and well-tolerated. The ΔPRU and %IPA patterns suggest that inhibition of ADP-induced platelet aggregation increased in a dose-dependent manner across the 10 to 40 mg dose range. The inhibitory effect was nearly complete at 4 hours (mean %IPA 87.9%-93.0%, mean ΔPRU 206.6-240.0) for doses of 40 to 75 mg of vicagrel. In contrast, for 5 mg vicagrel and 75 mg clopidogrel, there were no measurable effects on platelet aggregation throughout the study.The results suggest that vicagrel at 40 to 75 mg inhibits ADP-induced platelet aggregation, with a fast onset of action and significantly greater potency than clopidogrel. These findings indicate that vicagrel may be a highly effective and well-tolerated antiplatelet agent.
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Affiliation(s)
- Hui Li
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Hanjing Chen
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Weili Chen
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Hongrong Xu
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Fei Yuan
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Mengjie Yang
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Hongbin Sun
- State Key Laboratory of Natural Medicines and Center of Drug Discovery, College of Pharmacy
| | - Jin Yang
- Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University
| | | | | | | | | | - Yongguo Li
- Hua Medicine (Shanghai) Ltd., Shanghai China
| | - Lei Sheng
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Chao Liu
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
| | - Xuening Li
- Department of Clinical Pharmacology, Zhongshan Hospital, Fudan University, Shanghai
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44
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Helmer RS, Helmer AM, Smithgall S. Dual antiplatelet Tx for stroke prevention: Worth the risk? J Fam Pract 2020; 69:272-279. [PMID: 32724907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Here's what the evidence tells us about the use of 2 regimens-clopidogrel + aspirin and ER dipyridamole + aspirin-to prevent secondary ischemic stroke.
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Affiliation(s)
- Robert S Helmer
- Department of Pharmacy Practice, Auburn University Harrison School of Pharmacy, Mobile, AL, USA.
| | - Allison M Helmer
- Department of Pharmacy Practice, Auburn University Harrison School of Pharmacy, Mobile, AL, USA
| | - Sean Smithgall
- Department of Pharmacy Practice, Auburn University Harrison School of Pharmacy, Mobile, AL, USA
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45
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Marsousi N, Daali Y, Fontana P, Reny JL, Ancrenaz-Sirot V, Calmy A, Rudaz S, Desmeules JA, Samer CF. Impact of Boosted Antiretroviral Therapy on the Pharmacokinetics and Efficacy of Clopidogrel and Prasugrel Active Metabolites. Clin Pharmacokinet 2019; 57:1347-1354. [PMID: 29453687 DOI: 10.1007/s40262-018-0637-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND OBJECTIVES Prasugrel and clopidogrel are inhibitors of the ADP-P2Y12 platelet receptor used in acute coronary syndrome patients. They require bioactivation via isoenzymes such as cytochrome P450 (CYP) 3A4, CYP2C19 and CYP2B6. Ritonavir and cobicistat are potent CYP3A inhibitors, prescribed as pharmacokinetic (PK) enhancers in the treatment of human immunodeficiency virus (HIV) infection. METHODS In this study, the impact of boosted antiretroviral therapies (ARTs) on the PK of clopidogrel and prasugrel active metabolites (AMs), and on the efficacy of prasugrel and clopidogrel, were evaluated in a randomized crossover clinical trial. RESULTS A significantly lower exposure to clopidogrel AM [3.2-fold lower area under the concentration-time curve (AUC) and maximum plasma concentration (Cmax)] and prasugrel AM (2.1-fold and 1.7-fold lower AUC and Cmax) were demonstrated in HIV-infected patients treated with boosted ARTs compared with healthy controls; however, a differential impact was observed on platelet inhibition between clopidogrel and prasugrel. Clopidogrel 300 mg induced adequate (although modest) platelet inhibition in all healthy subjects, while platelet inhibition was insufficient in 44% of HIV patients. On the contrary, prasugrel 60 mg induced a potent platelet inhibition in both healthy and HIV-infected subjects. CONCLUSION Prasugrel appears to remain an adequate antiplatelet agent in HIV-infected patients and could be preferred to clopidogrel in this context, regardless of the metabolic interaction and inhibition of its bioactivation pathways.
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Affiliation(s)
- Niloufar Marsousi
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Rue Gabrielle Perret-Gentil 4, 1211, Geneva, Switzerland
- School of Pharmaceutical Sciences, Geneva and Lausanne Universities, Geneva, Switzerland
| | - Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Rue Gabrielle Perret-Gentil 4, 1211, Geneva, Switzerland
- School of Pharmaceutical Sciences, Geneva and Lausanne Universities, Geneva, Switzerland
- Swiss Center for Applied Human Toxicology (SCAHT), Basel, Switzerland
| | - Pierre Fontana
- Faculty of Medicine, Geneva University, Geneva, Switzerland
- Division of Angiology and Haemostasis, Geneva University Hospitals, Geneva, Switzerland
- Geneva Platelet Group, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Jean-Luc Reny
- Geneva Platelet Group, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Department of General Internal Medicine, Rehabilitation and Geriatrics, Geneva University Hospitals, Geneva, Switzerland
| | - Virginie Ancrenaz-Sirot
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Rue Gabrielle Perret-Gentil 4, 1211, Geneva, Switzerland
| | - Alexandra Calmy
- Division of Infectious Diseases, Geneva University Hospitals, Geneva, Switzerland
| | - Serge Rudaz
- School of Pharmaceutical Sciences, Geneva and Lausanne Universities, Geneva, Switzerland
- Swiss Center for Applied Human Toxicology (SCAHT), Basel, Switzerland
| | - Jules Alexandre Desmeules
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Rue Gabrielle Perret-Gentil 4, 1211, Geneva, Switzerland
- School of Pharmaceutical Sciences, Geneva and Lausanne Universities, Geneva, Switzerland
- Swiss Center for Applied Human Toxicology (SCAHT), Basel, Switzerland
- Faculty of Medicine, Geneva University, Geneva, Switzerland
| | - Caroline Flora Samer
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Rue Gabrielle Perret-Gentil 4, 1211, Geneva, Switzerland.
- Swiss Center for Applied Human Toxicology (SCAHT), Basel, Switzerland.
- Faculty of Medicine, Geneva University, Geneva, Switzerland.
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46
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Yu Q, Su J, Zhu K, Yang S, Zhu H, Yu J. The effect of Xuefu Zhuyu decoction on clopidogrel resistance and its association with the P2Y12 Gene polymorphisms and promoter DNA methylation. Pak J Pharm Sci 2019; 32:2565-2572. [PMID: 31969287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Some patients experience lesser degrees of platelet inhibition, which is known as clopidogrel resistance (CR). The goal of our study was to investigate the effects of Xuefu Zhuyu decoction on CR in coronary artery disease patients and whether P2Y12 polymorphisms and its methylation were related to drug response or not. 49 patients diagnosed with CR were randomly divided into control and treatment groups. Platelet functions were measured using Verify-Now P2Y12 assay. By restriction fragment length polymorphism-polymerase chain reaction, the single-nucleotide polymorphisms of rs2046934 and rs6785930 were genotyped. Using bisulphite pyrosequencing assay, we investigated the association of the P2Y12 gene DNA methylation levels and the effects of Xuefu Zhuyu decoction on CR. The results showed that the decoction improved CR (P=0.005), and the patients with the TT genotype in rs2046934 received substantial benefits from Xuefu Zhuyu Decoction, in both P2Y12 reaction units (PRU) and inhibition percentage (PPRU= 0.016; Pinhibition percentage = 0.028). And patients with lower methylation levels of CpG1 were more likely to be TT carriers in rs2046934 (CpG1TT Vs. CpG1TC+CC (%): 39.47±6.20 vs.45.70±8.47, P=0.044). In conclusion, our study indicated that Xuefu Zhuyu decoction might be useful for overcoming CR and the polymorphism of rs2046934 might influence the drug effect.
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Affiliation(s)
- Qinglin Yu
- Department of Traditional Chinese Internal Medicine, Ningbo No.1 Hospital, Ningbo, Zhejiang Province, People's Republic of China
| | - Jia Su
- Department of Gerontology, Ningbo No.1 Hospital, Ningbo, Zhejiang Province, People's Republic of China
| | - Keqi Zhu
- Department of Traditional Chinese Internal Medicine, Ningbo No.1 Hospital, Ningbo, Zhejiang Province, People's Republic of China
| | - Shujun Yang
- Department of Hematology, Ningbo No.1 Hospital, Ningbo, Zhejiang Province, People's Republic of China
| | - Hao Zhu
- Department of Anaesthesia, Ningbo No.1 Hospital, Ningbo, Zhejiang Province, People's Republic of China
| | - Jingbo Yu
- Department of Gerontology, Ningbo No.1 Hospital, Ningbo, Zhejiang Province, People's Republic of China
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47
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Moeini A, Torrecilla S, Tovar V, Montironi C, Andreu-Oller C, Peix J, Higuera M, Pfister D, Ramadori P, Pinyol R, Solé M, Heikenwälder M, Friedman SL, Sia D, Llovet JM. An Immune Gene Expression Signature Associated With Development of Human Hepatocellular Carcinoma Identifies Mice That Respond to Chemopreventive Agents. Gastroenterology 2019; 157:1383-1397.e11. [PMID: 31344396 PMCID: PMC6815707 DOI: 10.1053/j.gastro.2019.07.028] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 07/02/2019] [Accepted: 07/17/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Cirrhosis and chronic inflammation precede development of hepatocellular carcinoma (HCC) in approximately 80% of cases. We investigated immune-related gene expression patterns in liver tissues surrounding early-stage HCCs and chemopreventive agents that might alter these patterns to prevent liver tumorigenesis. METHODS We analyzed gene expression profiles of nontumor liver tissues from 392 patients with early-stage HCC (training set, N = 167 and validation set, N = 225) and liver tissue from patients with cirrhosis without HCC (N = 216, controls) to identify changes in expression of genes that regulate the immune response that could contribute to hepatocarcinogenesis. We defined 172 genes as markers for this deregulated immune response, which we called the immune-mediated cancer field (ICF). We analyzed the expression data of liver tissues from 216 patients with cirrhosis without HCC and investigated the association between this gene expression signature and development of HCC and outcomes of patients (median follow-up, 10 years). Human liver tissues were also analyzed by histology. C57BL/6J mice were given a single injection of diethylnitrosamine (DEN) followed by weekly doses of carbon tetrachloride to induce liver fibrosis and tumorigenesis. Mice were then orally given the multiple tyrosine inhibitor nintedanib or vehicle (controls); liver tissues were collected and histology, transcriptome, and protein analyses were performed. We also analyzed transcriptomes of liver tissues collected from mice on a choline-deficient high-fat diet, which developed chronic liver inflammation and tumors, orally given aspirin and clopidogrel or the anti-inflammatory agent sulindac vs mice on a chow (control) diet. RESULTS We found the ICF gene expression pattern in 50% of liver tissues from patients with cirrhosis without HCC and in 60% of nontumor liver tissues from patients with early-stage HCC. The liver tissues with the ICF gene expression pattern had 3 different features: increased numbers of effector T cells; increased expression of genes that suppress the immune response and activation of transforming growth factor β signaling; or expression of genes that promote inflammation and activation of interferon gamma signaling. Patients with cirrhosis and liver tissues with the immunosuppressive profile (10% of cases) had a higher risk of HCC (hazard ratio, 2.41; 95% confidence interval, 1.21-4.80). Mice with chemically induced fibrosis or diet-induced steatohepatitis given nintedanib or aspirin and clopidogrel down-regulated the ICF gene expression pattern in liver and developed fewer and smaller tumors than mice given vehicle. CONCLUSIONS We identified an immune-related gene expression pattern in liver tissues of patients with early-stage HCC, called the ICF, that is associated with risk of HCC development in patients with cirrhosis. Administration of nintedanib or aspirin and clopidogrel to mice with chronic liver inflammation caused loss of this gene expression pattern and development of fewer and smaller liver tumors. Agents that alter immune regulatory gene expression patterns associated with carcinogenesis might be tested as chemopreventive agents in patients with cirrhosis.
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MESH Headings
- Animals
- Anticarcinogenic Agents/pharmacology
- Aspirin/pharmacology
- Biomarkers, Tumor/genetics
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/immunology
- Carcinoma, Hepatocellular/pathology
- Case-Control Studies
- Cell Transformation, Neoplastic/drug effects
- Cell Transformation, Neoplastic/genetics
- Cell Transformation, Neoplastic/immunology
- Cell Transformation, Neoplastic/pathology
- Clopidogrel/pharmacology
- Diethylnitrosamine
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic
- Gene Regulatory Networks
- Humans
- Indoles/pharmacology
- Liver Neoplasms/genetics
- Liver Neoplasms/immunology
- Liver Neoplasms/pathology
- Liver Neoplasms, Experimental/genetics
- Liver Neoplasms, Experimental/metabolism
- Liver Neoplasms, Experimental/pathology
- Liver Neoplasms, Experimental/prevention & control
- Male
- Mice, Inbred C57BL
- Transcriptome
- Tumor Escape/genetics
- Tumor Microenvironment
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Affiliation(s)
- Agrin Moeini
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Sara Torrecilla
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Victoria Tovar
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Carla Montironi
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain; Mount Sinai Liver Cancer Program, Department of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Carmen Andreu-Oller
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Judit Peix
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Mónica Higuera
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain; Liver diseases, Vall d'Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - Dominik Pfister
- Division of Chronic Inflammation and Cancer, German Cancer Research Center Heidelberg (DKFZ), Heidelberg, Germany
| | - Pierluigi Ramadori
- Division of Chronic Inflammation and Cancer, German Cancer Research Center Heidelberg (DKFZ), Heidelberg, Germany
| | - Roser Pinyol
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Manel Solé
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Mathias Heikenwälder
- Division of Chronic Inflammation and Cancer, German Cancer Research Center Heidelberg (DKFZ), Heidelberg, Germany
| | - Scott L Friedman
- Mount Sinai Liver Cancer Program, Department of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Daniela Sia
- Mount Sinai Liver Cancer Program, Department of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, USA.
| | - Josep M Llovet
- Liver Cancer Translational Research Liver Cancer Translational Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-Hospital Clínic, Liver Unit, Universitat de Barcelona, Barcelona, Catalonia, Spain; Mount Sinai Liver Cancer Program, Department of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, USA; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain.
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48
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Mirzaev KB, Osipova DV, Kitaeva EJ, Shprakh VV, Abdullaev SP, Andreev DA, Mumladze RB, Sychev DA. Effects of the rs2244613 polymorphism of the CES1 gene on the antiplatelet effect of the receptor P2Y12 blocker clopidogrel. Drug Metab Pers Ther 2019; 34:dmpt-2018-0039. [PMID: 31560647 DOI: 10.1515/dmpt-2018-0039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 06/12/2019] [Indexed: 06/10/2023]
Abstract
Background The aim of this study was to evaluate the association of the carriage of the rs2244613 polymorphism of the CES1 gene with clopidogrel resistance as well as to evaluate the effectiveness of antiplatelet therapy in the carriers of this marker who have had acute coronary syndrome (ACS). This study also analyzes the procedure of percutaneous coronary intervention and compares the rs2244613 carrier rate between patients with ACS and healthy participants. Methods The study involved 81 patients diagnosed with ACS and 136 conditionally healthy participants. The optical detection of platelet agglutination by VerifyNow was employed to measure residual platelet reactivity in patients with ACS. The rs2244613 polymorphism was determined using real-time polymerase chain reaction. Results According to the results, the AA genotype of the rs2244613 polymorphism of the CES1 gene was detected in 37 patients (45.6%), the CA genotype in 42 patients (51.8%) and the CC genotype in 2 patients (2.6%). The level of residual platelet reactivity in rs2244613 carriers was higher compared with patients who did not have this allelic variant: 183.23 PRU ± 37.24 vs. 154.3 PRU ± 60.36 (p = 0.01). The frequencies of the minor allele C were 28.4% and 28.3% in patients with ACS and healthy participants, respectively. The results of the linear statistical model PRU due to CES1 genotype were as follows: df = 1, F = 6.96, p = 0.01). The standardized beta was 0.285 (p = 0.01) and R2 was 0.081. However, we also added CYP2C19*2 and *17 into the linear regression model. The results of the model were as follows: df = 3, F = 5.1, p = 0.003) and R2 was 0.166. Conclusions We identified a statistically significant correlation between the carriage of the rs2244613 polymorphism of the CES1 gene and the level of residual platelet aggregation among patients with ACS and the procedure of percutaneous coronary intervention.
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Affiliation(s)
- Karin B Mirzaev
- Russian Medical Academy of Continuous Professional Education, Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation
| | - Darya V Osipova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
| | - Elena J Kitaeva
- Irkutsk State Medical Academy of Postgraduate Education, Irkutsk, Russian Federation
| | - Vladimir V Shprakh
- Irkutsk State Medical Academy of Postgraduate Education, Irkutsk, Russian Federation
| | - Sherzod P Abdullaev
- Russian Medical Academy of Continuous Professional Education, Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation
- Faculty of Fundamental Medicine, Moscow State University M.V. Lomonosov, Moscow, Russian Federation
| | - Denis A Andreev
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
| | - Robert B Mumladze
- Russian Medical Academy of Continuous Professional Education, Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation
| | - Dmitriy A Sychev
- Russian Medical Academy of Continuous Professional Education, Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation
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49
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Farrant M, Easton JD, Adelman EE, Cucchiara BL, Barsan WG, Tillman HJ, Elm JJ, Kim AS, Lindblad AS, Palesch YY, Zhao W, Pauls K, Walsh KB, Martí-Fàbregas J, Bernstein RA, Johnston SC. Assessment of the End Point Adjudication Process on the Results of the Platelet-Oriented Inhibition in New TIA and Minor Ischemic Stroke (POINT) Trial: A Secondary Analysis. JAMA Netw Open 2019; 2:e1910769. [PMID: 31490536 PMCID: PMC6735409 DOI: 10.1001/jamanetworkopen.2019.10769] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
IMPORTANCE Debate continues about the value of event adjudication in clinical trials and whether independent centralized assessments improve reliability and validity of study results in masked randomized trials compared with local, investigator-assessed end points. OBJECTIVE To assess the results of the adjudicated end point process in the Platelet-Oriented Inhibition in New TIA and Minor Ischemic Stroke (POINT) trial by comparing end points assessed by local site investigators with centrally adjudicated end points. DESIGN, SETTING, AND PARTICIPANTS This is an ad hoc secondary analysis of a randomized, double-blind clinical trial comparing safety and effectiveness of clopidogrel bisulphate plus aspirin vs placebo plus aspirin. Patients received either 600 mg of clopidogrel bisulphate on day 1, then 75 mg per day through day 90 plus 50 to 325 mg of aspirin per day, or the same range of dosages of placebo plus aspirin. Investigators reported all potential end points; independent masked adjudicators were randomly assigned to review using definitions specified in the study protocol. This was a multicenter study; 269 international sites in 10 countries enrolled from May 28, 2010, to December 19, 2017. The study enrolled 4881 patients 18 years or older with transient ischemic attack or minor acute ischemic stroke within 12 hours of symptom onset and followed for 90 days from randomization; last follow-up was completed in March 2018. MAIN OUTCOMES AND MEASURES Independent adjudicators external to the study and masked to study treatment assignment adjudicated 467 primary and secondary effectiveness outcomes and major and minor bleeding events, including the primary composite end point, which was the risk of a composite of major ischemic events at 90 days, defined as ischemic stroke, myocardial infarction, or death from an ischemic vascular event. The primary safety end point was major hemorrhage. All components of the primary and safety outcomes were adjudicated. RESULTS In this secondary analysis of an international randomized clinical trial, a total of 269 sites worldwide randomized 4881 patients (median age, 65.0 years; interquartile range, 55-74 years); 55.0% were male. The primary results have been published previously. The hazard ratios for clopidogrel plus aspirin vs placebo plus aspirin for the primary composite end point were 0.75 (95% CI, 0.59-0.95) for adjudicator-assessed events and 0.76 (95% CI, 0.60-0.95) for investigator-assessed events. Agreement between adjudicator and investigator assessments was 90.7%. The hazard ratios for clopidogrel plus aspirin vs placebo plus aspirin for the primary safety end point were 2.32 (95% CI, 1.10-4.87) for adjudicator-assessed events and 2.58 (95% CI, 1.19-5.58) for investigator-assessed events, with an agreement rate of 77.5%. CONCLUSIONS AND RELEVANCE Independent end point adjudication did not substantially alter estimates of the primary treatment effectiveness in the POINT trial. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT00991029.
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Affiliation(s)
| | | | - Eric E. Adelman
- Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison
| | | | | | - Holly J. Tillman
- Data Coordination Unit, Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | - Jordan J. Elm
- Data Coordination Unit, Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | | | | | - Yuko Y. Palesch
- Data Coordination Unit, Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | - Wenle Zhao
- Data Coordination Unit, Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | - Keith Pauls
- Data Coordination Unit, Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | - Kyle B. Walsh
- Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Joan Martí-Fàbregas
- Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Richard A. Bernstein
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
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50
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Lauver DA, Kuszynski DS, Christian BD, Bernard MP, Teuber JP, Markham BE, Chen YE, Zhang H. DT-678 inhibits platelet activation with lower tendency for bleeding compared to existing P2Y 12 antagonists. Pharmacol Res Perspect 2019; 7:e00509. [PMID: 31372229 PMCID: PMC6658415 DOI: 10.1002/prp2.509] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/02/2019] [Accepted: 07/03/2019] [Indexed: 12/22/2022] Open
Abstract
The novel clopidogrel conjugate, DT-678, is an effective inhibitor of platelets and thrombosis in preclinical studies. However, a comparison of the bleeding risk with DT-678 and currently approved P2Y12 antagonists has yet to be determined. The objective of this study was to evaluate the bleeding tendency of animals treated with clopidogrel, ticagrelor, and DT-678. Ninety-one New Zealand white rabbits were randomized to one of 13 treatment groups (n = 7). Platelet activation was assessed by flow cytometry and light transmission aggregometry before and after the administration of various doses of DT-678, clopidogrel, and ticagrelor. Tongue template bleeding times were also measured before and after drug treatment. Treatment with P2Y12 receptor antagonists caused a dose-dependent reduction in markers of platelet activation (P-selectin and integrin αIIbβ3) and aggregation in response to adenosine diphosphate stimulation. At the same doses required for platelet inhibition, clopidogrel and ticagrelor significantly prolonged bleeding times, while DT-678 did not. DT-678 and the FDA-approved P2Y12 antagonists clopidogrel and ticagrelor are effective inhibitors of platelet activation and aggregation. However, unlike clopidogrel and ticagrelor, DT-678 did not prolong bleeding times at equally effective antiplatelet doses. The results suggest a more favorable benefit/risk ratio for DT-678 and potential utility as part of a dual antiplatelet therapy regimen.
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Affiliation(s)
- Dale A. Lauver
- Department of Pharmacology and ToxicologyMichigan State UniversityEast LansingMIUSA
| | - Dawn S. Kuszynski
- Department of Pharmacology and ToxicologyMichigan State UniversityEast LansingMIUSA
| | - Barbara D. Christian
- Department of Pharmacology and ToxicologyMichigan State UniversityEast LansingMIUSA
| | - Matthew P. Bernard
- Department of Pharmacology and ToxicologyMichigan State UniversityEast LansingMIUSA
| | - James P. Teuber
- Department of Pharmacology and ToxicologyMichigan State UniversityEast LansingMIUSA
| | | | - Yuqing E. Chen
- Diapin Therapeutics, LLCAnn ArborMIUSA
- Department of PharmacologyUniversity of MichiganAnn ArborMIUSA
| | - Haoming Zhang
- Department of PharmacologyUniversity of MichiganAnn ArborMIUSA
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