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Wu Y, Yu D, Zhang L, Wu Y, Shu B, Ma L, Shi T. The contribution of genotype-guided selection of P2Y 12 inhibitor on prognosis in ACS /CCS patients undergoing percutaneous coronary intervention: a retrospective cohort study. Eur J Clin Pharmacol 2023; 79:1249-1259. [PMID: 37449992 DOI: 10.1007/s00228-023-03519-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 05/31/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE We aimed to explore the contribution of genotype-guided selection of P2Y12 inhibitors on prognosis in Chinese patients with acute coronary syndromes (ACS) or chronic coronary syndromes (CCS) undergoing percutaneous coronary intervention (PCI). METHODS Totally, 2063 patients were included. They were divided into empiric treatment group (n = 1025) and individualized treatment group (n = 1038) depending on whether taken CYP2C19 genetic testing. The incidences of clinical endpoint events were compared in two groups at 1-year follow-up. The effective endpoint events were major adverse cardiovascular events (MACEs), including all-cause mortality, in-stent restenosis, nonfatal myocardial infarction, nonfatal stroke and severe recurrent ischemia. Meanwhile, the safe endpoint was bleeding events defined by the Bleeding Academic Research Consortium (BARC) criteria. RESULTS Finally, 66.83% patients were diagnosed with ACS and 33.17% patients were diagnosed with CCS in empiric group. 68.11% patients were diagnosed with ACS and 31.89% patients were diagnosed with CCS in individualized group. At 1-year follow-up, individualized group showed lower MACEs rate than empiric group (19.61% vs. 10.69%, HR: 1.915; 95% CI: 1.534 to 2.392; P < 0.0001, log-rank test; adjusted HR: 1.983; 95% CI: 1.573 to 2.501; P = 0.000, cox proportional hazards regression models), while bleeding events were significantly less common in empiric group than in individualized group (7.32% vs. 10.40%, HR: 0.693; 95% CI: 0.519 to 0.926; P = 0.0132, log-rank test; adjusted HR: 0.695; 95% CI: 0.518 to 0.933; P = 0.016, cox proportional hazards regression models). It was mainly manifested in BARC class 1 bleeding, which did not warrant the interruption of antiplatelet therapy (ITA). Further, subgroup analyses illustrated that no significant difference existed in cumulative MACEs-free survival rate between all treatment arms of individualized group (P = 0.6579 by log-rank test), and CYP2C19 intermediate metabolizer (IM) genetype appeared to be significantly associated with bleeding events for patients treated with ticagrelor (clopidogrel vs. ticagrelor: 6.80% vs. 14.88%; adjusted HR:0.440; 95% CI: 0.246 to 0.787; adjusted P = 0.006). CONCLUSIONS Genotype-guided selection of P2Y12 inhibitor made a very positive contribution on the prognosis in Chinese ACS/CCS patients undergoing PCI. Instead of intensifying antiplatelet strategies, conventional-dose clopidogrel could be recommended as P2Y12 inhibitor after weighing MACEs and bleeding events in CYP2C19 IM patients.
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Affiliation(s)
- Yan Wu
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China
| | - Dongbiao Yu
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China
| | - Lei Zhang
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China
| | - Yuting Wu
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China
| | - Bing Shu
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China
| | - Likun Ma
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China.
| | - Tianlu Shi
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People's Republic of China.
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Thomas CD, Williams AK, Lee CR, Cavallari LH. Pharmacogenetics of P2Y 12 receptor inhibitors. Pharmacotherapy 2023; 43:158-175. [PMID: 36588476 PMCID: PMC9931684 DOI: 10.1002/phar.2758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 01/03/2023]
Abstract
Oral P2Y12 inhibitors are commonly prescribed for cardiovascular disease and include clopidogrel, prasugrel, and ticagrelor. Each of these drugs has its strengths and weaknesses. Prasugrel and ticagrelor are more potent inhibitors of platelet aggregation and were shown to be superior to clopidogrel in preventing major adverse cardiovascular events after an acute coronary syndrome and percutaneous coronary intervention (PCI) in the absence of genotyping. However, both are associated with an increased risk for non-coronary artery bypass-related bleeding. Clopidogrel is a prodrug requiring bioactivation, primarily via the CYP2C19 enzyme. Approximately 30% of individuals have a CYP2C19 no function allele and decreased or no CYP2C19 enzyme activity. Clopidogrel-treated carriers of a CYP2C19 no function allele have decreased exposure to the clopidogrel active metabolite and lesser inhibition of platelet aggregation, which likely contributed to reduced clopidogrel efficacy in clinical trials. The pharmacogenetic data for clopidogrel are most robust in the setting of PCI, but evidence is accumulating for other indications. Guidance is available from expert consensus groups and regulatory agencies to assist with integrating genetic information into P2Y12 inhibitor prescribing decisions, and CYP2C19 genotype-guided antiplatelet therapy after PCI is one of the most common examples of clinical pharmacogenetic implementation. Herein, we review the evidence for pharmacogenetic associations with clopidogrel response and outcomes with genotype-guided P2Y12 inhibitor selection and describe guidance to assist with pharmacogenetic implementation. We also describe processes for applying genotype data for P2Y12 inhibitor therapy selection and remaining gaps in the field. Ultimately, consideration of both clinical and genetic factors may guide selection of P2Y12 inhibitor therapy that optimally balances the atherothrombotic and bleeding risks.
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Affiliation(s)
- Cameron D Thomas
- Department of Pharmacotherapy and Translational Research and Center for Pharmacogenomics and Precision Medicine, College of Pharmacy, University of Florida, Gainesville, Florida, USA
| | - Alexis K Williams
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Craig R Lee
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Larisa H Cavallari
- Department of Pharmacotherapy and Translational Research and Center for Pharmacogenomics and Precision Medicine, College of Pharmacy, University of Florida, Gainesville, Florida, USA
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Sheng XY, An HJ, He YY, Ye YF, Zhao JL, Li S. High-Dose Clopidogrel versus Ticagrelor in CYP2C19 intermediate or poor metabolizers after percutaneous coronary intervention: A Meta-Analysis of Randomized Trials. J Clin Pharm Ther 2022; 47:1112-1121. [PMID: 35396752 DOI: 10.1111/jcpt.13665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/17/2022] [Accepted: 03/24/2022] [Indexed: 11/27/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE For patients after percutaneous coronary interventions (PCI), clopidogrel combined with aspirin is a conventional dual antiplatelet therapy (DAPT) method. Because the genetic polymorphism of CYP2C19 gene leads to clopidogrel resistance, guidelines for antiplatelet recommendations in CYP2C19 of ultrarapid metabolizers (UM), extended metabolizers (EM) and poor metabolizers (PM) are clear. However, there is no clear recommendation as to whether ticagrelor or double dose clopidogrel is the best antiplatelet regimen for CYP2C19 of intermediate metabolizers (IM). To evaluate the efficacy and safety of ticagrelor (combined with aspirin) and high-dose clopidogrel (combined with aspirin) in patients after PCI with CYP2C19 loss-of-function (LOF) alleles. METHODS We searched the following databases to select RCTs of comparing ticagrelor with high-dose clopidogrel in patients after PCI with CYP2C19 LOF alleles: CNKI, Wanfang Data, PubMed, Clinical trials, Cochrane, Web of Science and Embase. Major adverse cardiovascular events (MACEs), platelet function and TIMI bleeding event were defined as the outcomes. revman 5.3 software was used to perform meta-analysis. RESULTS AND DISCUSSION A total of 14 RCTs with 2351 patients were enrolled. Meta-analysis showed that compared with high-dose clopidogrel, ticagrelor had reduced incidence of MACEs (OR = 0.32, 95% Cl: 0.23-0.44, p < 0.00001), stent thrombosis (OR: 0.24, 95%CI: 0.13-0.44, p < 0.00001), myocardial infarction OR: 0.42, 95%CI: 0.22-0.80, p = 0.008), revascularization (OR: 0.29, 95%CI: 0.10-0.82, p = 0.02) and unstable angina (OR: 0.47, 95%CI: 0.29-0.77, p = 0.003) in patients after PCI with CYP2C19 LOF alleles. A subgroup analysis showed that ticagrelor reduced the risk of MACEs compared with high-dose clopidogrel regardless of the type of metabolizer. Compared with high-dose clopidogrel, ticagrelor significantly reduced the risk of MACE with longer follow-up period (more than 3 months) without increasing the risk of bleeding (OR: 0.89, 95%CI: 0.53-1.49, p = 0.30), while elevated dyspnoea (OR: 5.62, 95%CI: 3.07-10.28, p < 0.00001). WHAT IS NEW AND CONCLUSIONS For patients carrying CYP2C19 LOF alleles after PCI, ticagrelor may be better than high-dose clopidogrel in reducing the risk of MACEs, while dyspnoea incidents should be alerted.
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Affiliation(s)
- Xiao-Yan Sheng
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Hui-Jie An
- General Hospital of Southern Theatre Command, PLA, Guangzhou, China
| | | | - Yong-Feng Ye
- The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China
| | - Jia-Lan Zhao
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Sai Li
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
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Al-abcha A, Radwan Y, Blais D, Mazzaferri EL, Boudoulas KD, Essa EM, Gumina RJ. Genotype-Guided Use of P2Y12 Inhibitors: A Review of Current State of the Art. Front Cardiovasc Med 2022; 9:850028. [PMID: 35402528 PMCID: PMC8983962 DOI: 10.3389/fcvm.2022.850028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
The pharmacodynamics of the purinergic receptor type Y, subtype 12 (P2Y12) inhibitors has evolved. Our understanding of the metabolism of P2Y12 inhibitors has revealed polymorphisms that impact drug metabolism and antiplatelet efficacy, leading to genetic testing guided therapy. In addition, assays of platelet function and biochemistry have provided insight into our understanding of the efficacy of "antiplatelet" therapy, identifying patients with high or low platelet reactivity on P2Y12 therapy. Despite the data, the implementation of these testing modalities has not gained mainstream adoption across hospital systems. Given differences in potency between the three clinically available P2Y12 inhibitors, the balance between thrombotic and bleeding complications must be carefully considered, especially for the large proportion of patients at higher risk for bleeding. Here we review the current data for genetic and functional testing, risk assessment strategies, and guidelines for P2Y12 inhibitors guided therapy.
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Affiliation(s)
- Abdullah Al-abcha
- Division of Internal Medicine, Department of Medicine, Michigan State University, East Lansing, MI, United States
| | - Yasser Radwan
- Division of Internal Medicine, Department of Medicine, Michigan State University, East Lansing, MI, United States
| | - Danielle Blais
- Division of Cardiology, Department of Medicine, Ohio State University, Columbus, OH, United States
| | - Ernest L. Mazzaferri
- Division of Cardiology, Department of Medicine, Ohio State University, Columbus, OH, United States
| | | | - Essa M. Essa
- Division of Cardiology, Department of Medicine, Mount Carmel Healthcare, Columbus, OH, United States
| | - Richard J. Gumina
- Division of Cardiology, Department of Medicine, Ohio State University, Columbus, OH, United States
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Galli M, Franchi F, Rollini F, Cavallari LH, Capodanno D, Crea F, Angiolillo DJ. Genetic testing in patients undergoing percutaneous coronary intervention: rationale, evidence and practical recommendations. Expert Rev Clin Pharmacol 2021; 14:963-978. [PMID: 33993817 PMCID: PMC9008593 DOI: 10.1080/17512433.2021.1927709] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 05/06/2021] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Clopidogrel is the most frequently utilized P2Y12 inhibitor and is characterized by broad interindividual response variability resulting in impaired platelet inhibition and increased risk of thrombotic complications in a considerable number of patients. The potent P2Y12 inhibitors, prasugrel and ticagrelor, can overcome this limitation but at the expense of an increased risk of bleeding. Genetic variations of the cytochrome P450 (CYP) 2 C19 enzyme, a key determinant in clopidogrel metabolism, have been strongly associated with clopidogrel response profiles prompting investigations of genetic-guided selection of antiplatelet therapy. AREAS COVERED The present manuscript focuses on the rationale for the use of genetic testing to guide the selection of platelet P2Y12 inhibitors among patients undergoing percutaneous coronary intervention (PCI). Moreover, a comprehensive appraisal of the available evidence and practical recommendations is provided. EXPERT COMMENTARY Implementation of genetic testing as a strategy to guide the selection of therapy can result in escalation (i.e. switching to prasugrel or ticagrelor) or de-escalation (i.e. switching to clopidogrel) of P2Y12 inhibiting therapy. Most recent investigations support the clinical benefit of a genetic guided selection of antiplatelet therapy in patients undergo PCI. Integrating the results of genetic testing with clinical and procedural variables represents a promising strategy for a precision medicine approach for the selection of antiplatelet therapy among patients undergoing PCI.
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Affiliation(s)
- Mattia Galli
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University of the Sacred Heart, Rome, Italy
- Division of Cardiology, University of Florida College of Medicine, Jacksonville, Florida, United States
| | - Francesco Franchi
- Division of Cardiology, University of Florida College of Medicine, Jacksonville, Florida, United States
| | - Fabiana Rollini
- Division of Cardiology, University of Florida College of Medicine, Jacksonville, Florida, United States
| | - Larisa H Cavallari
- Department of Pharmacotherapy & Translational Research, Center for Pharmacogenomics & Precision Medicine, University of Florida, Gainesville, FL, USA
| | - Davide Capodanno
- Division of Cardiology, A.O.U. Policlinico "G. Rodolico-San Marco", University of Catania, Catania, Italy
| | - Filippo Crea
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University of the Sacred Heart, Rome, Italy
| | - Dominick J Angiolillo
- Division of Cardiology, University of Florida College of Medicine, Jacksonville, Florida, United States
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Pereira NL, Rihal C, Lennon R, Marcus G, Shrivastava S, Bell MR, So D, Geller N, Goodman SG, Hasan A, Lerman A, Rosenberg Y, Bailey K, Murad MH, Farkouh ME. Effect of CYP2C19 Genotype on Ischemic Outcomes During Oral P2Y 12 Inhibitor Therapy: A Meta-Analysis. JACC Cardiovasc Interv 2021; 14:739-750. [PMID: 33744207 PMCID: PMC9853943 DOI: 10.1016/j.jcin.2021.01.024] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 01/24/2023]
Abstract
OBJECTIVES The aim of this study was to examine the effect of CYP2C19 genotype on clinical outcomes in patients with coronary artery disease (CAD) who predominantly underwent percutaneous coronary intervention (PCI), comparing those treated with ticagrelor or prasugrel versus clopidogrel. BACKGROUND The effect of CYP2C19 genotype on treatment outcomes with ticagrelor or prasugrel compared with clopidogrel is unclear. METHODS Databases through February 19, 2020, were searched for studies reporting the effect of CYP2C19 genotype on ischemic outcomes during ticagrelor or prasugrel versus clopidogrel treatment. Study eligibility required outcomes reported for CYP2C19 genotype status and clopidogrel and alternative P2Y12 inhibitors in patients with CAD with at least 50% undergoing PCI. The primary analysis consisted of randomized controlled trials (RCTs). A secondary analysis was conducted by adding non-RCTs to the primary analysis. The primary outcome was a composite of cardiovascular death, myocardial infarction, stroke, stent thrombosis, and severe recurrent ischemia. Meta-analysis was conducted to compare the 2 drug regimens and test interaction with CYP2C19 genotype. RESULTS Of 1,335 studies identified, 7 RCTs were included (15,949 patients, mean age 62 years; 77% had PCI, 98% had acute coronary syndromes). Statistical heterogeneity was minimal, and risk for bias was low. Ticagrelor and prasugrel compared with clopidogrel resulted in a significant reduction in ischemic events (relative risk: 0.70; 95% confidence interval: 0.59 to 0.83) in CYP2C19 loss-of-function carriers but not in noncarriers (relative risk: 1.0; 95% confidence interval: 0.80 to 1.25). The test of interaction on the basis of CYP2C19 genotype status was statistically significant (p = 0.013), suggesting that CYP2C19 genotype modified the effect. An additional 4 observational studies were found, and adding them to the analysis provided the same conclusions (p value of the test of interaction <0.001). CONCLUSIONS The effect of ticagrelor or prasugrel compared with clopidogrel in reducing ischemic events in patients with CAD who predominantly undergo PCI is based primarily on the presence of CYP2C19 loss-of-function carrier status. These results support genetic testing prior to prescribing P2Y12 inhibitor therapy.
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Affiliation(s)
- Naveen L Pereira
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
| | - Charanjit Rihal
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Ryan Lennon
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA
| | - Gil Marcus
- Peter Munk Cardiac Centre and Heart and Stroke Richard Lewar Centre, University of Toronto, Toronto, Ontario, Canada
| | | | - Malcolm R Bell
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Derek So
- University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Nancy Geller
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Shaun G Goodman
- St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada; Canadian VIGOUR Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Ahmed Hasan
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Yves Rosenberg
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Kent Bailey
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA
| | - M Hassan Murad
- Evidence-Based Practice Center, Mayo Clinic, Rochester, Minnesota, USA
| | - Michael E Farkouh
- Peter Munk Cardiac Centre and Heart and Stroke Richard Lewar Centre, University of Toronto, Toronto, Ontario, Canada
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Gao QN. Efficacy of ticagrelor in the treatment of stable coronary heart disease: A protocol of systematic review. Medicine (Baltimore) 2020; 99:e22600. [PMID: 33157917 PMCID: PMC7647616 DOI: 10.1097/md.0000000000022600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND This study will assess the efficacy and safety of ticagrelor in the treatment of patients with stable coronary heart disease (SCHD). METHODS We will search the following databases for relevant potential studies in Cochrane Library, MEDLINE, EMBASE, Web of Science, Google Scholar, Chinese Biomedical Literature Database, and China National Knowledge Infrastructure. We will search all literature sources from inception to the present without limitations of language and publication status. We will only consider randomized controlled trials on exploring the efficacy and safety of ticagrelor for the treatment of SCHD. Investigators will separately examine studies, collect data and appraise study quality. Data synthesis and analysis will be performed using RevMan 5.3 software. RESULTS This study will summarize high quality synthesis of present evidence of ticagrelor for the treatment of SCHD. CONCLUSION The findings of this study will provide evidence to appraise whether ticagrelor is effective for the treatment of patients with SCHD. OSF REGISTRATION NUMBER:: osf.io/fq69u.
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Yoon HY, Lee N, Seong J, Gwak HS. Efficacy and safety of clopidogrel versus prasugrel and ticagrelor for coronary artery disease treatment in patients with CYP2C19 LoF alleles: a systemic review and meta-analysis. Br J Clin Pharmacol 2020; 86:1489-1498. [PMID: 32320492 PMCID: PMC7373703 DOI: 10.1111/bcp.14317] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/25/2020] [Accepted: 03/20/2020] [Indexed: 12/17/2022] Open
Abstract
AIM We performed a systematic review and meta-analysis to compare the efficacy and safety of ticagrelor and prasugrel with those of clopidogrel in CYP2C19 reduced-metabolizers. METHODS PubMed, Cochrane and Web of Science were systematically searched for randomized controlled trials or cohort studies up to January 2020. The primary endpoint was major adverse cardiovascular events (MACE), including cardiovascular (CV) death, all-cause death, myocardial infarction (MI), stent thrombosis and stroke. The secondary endpoint was bleeding. Pooled effects were measured by relative risk (RR) with 95% confidence intervals (CIs). Publication bias was evaluated with Egger's regression test and adjusted by trim and fill method. RESULTS Twelve studies comprising 5829 CV patients with CYP2C19 loss-of-function alleles were included. Patients who received ticagrelor or prasugrel showed a lower risk of MACE than those who received clopidogrel (RR 0.524; 95% CI: 0.375, 0.731). The former also had lower risks of CV death (RR 0.409; 95% CI: 0.177, 0.946), all-cause death (RR 0.441; 95% CI: 0.263, 0.739), MI (RR 0.554; 95% CI: 0.414, 0.741) and stent thrombosis (RR 0.587; 95% CI: 0.348, 0.988) than the latter patient group. The risk of stroke was not significantly different between patients receiving the alternatives and those receiving clopidogrel (RR 0.605; 95% CI: 0.257, 1.425). Major and minor bleeding risk was not significantly different between patients treated with alternatives and clopidogrel (RR 1.019; 95% CI: 0.827, 1.260 and RR 1.235; 95% CI: 0.581, 2.628, respectively). CONCLUSION CYP2C19 reduced-metabolizers can expect better clinical outcome on using prasugrel or ticagrelor rather than clopidogrel.
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Affiliation(s)
- Ha Young Yoon
- College of Pharmacy and Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoul03760Republic of Korea
| | - Nari Lee
- College of Pharmacy and Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoul03760Republic of Korea
| | - Jong‐Mi Seong
- College of Pharmacy and Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoul03760Republic of Korea
| | - Hye Sun Gwak
- College of Pharmacy and Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoul03760Republic of Korea
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Li Y, Chang H, Ni L, Xue P, Li C, Yuan L, Cui H, Yu C. Analysis of thrombelastogram-guided medication in patients with coronary heart disease after percutaneous coronary intervention. Exp Ther Med 2019; 17:3047-3052. [PMID: 30936976 PMCID: PMC6434236 DOI: 10.3892/etm.2019.7294] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 02/06/2019] [Indexed: 01/27/2023] Open
Abstract
Effects of thrombelastogram-guided (TEG-guided) clopidogrel and aspirin on major adverse cardiovascular events (MACE) after percutaneous coronary intervention (PCI) were investigated. A retrospective analysis was performed on 203 patients undergoing PCI interventional therapy in the Cardiovascular Medicine of Weihai Central Hospital from February 2015 to September 2016. The patients were treated with clopidogrel and aspirin for anti-thrombus therapy. Among them, 104 patients who had TEG detection of anticoagulant effects for guiding medication were the experimental group, and 99 patients without TEG detection for guiding medication the control group. The coagulation function and the platelet inhibition rate of patients after medication were evaluated and compared between the two groups. The incidence of MACE and bleeding events of patients was counted during three months of follow-up. Patients in the experimental group had higher R (coagulation reaction time) value and K (blood clot formation time) value than those in the control group after treatment (P<0.05), and lower MA (maximum amplitude) value than those in the control group (P<0.05). Patients in the experimental group had higher postoperative platelet inhibition rate than those in the control group (P<0.05). Patients in the experimental group had lower incidence of MACE and bleeding events than those in the control group (P<0.05). Coronary heart disease (CHD) patients after PCI with the TEG-guided dose adjustment of clopidogrel have more satisfactory treatment effects than patients without the TEG guidance. TEG makes the treatment of patients more targeted and is worthy of promotion.
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Affiliation(s)
- Yingbo Li
- Department of Clinical Laboratory, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
| | - Hongjin Chang
- Department of Blood Transfusion, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China
| | - Lina Ni
- Department of Clinical Laboratory, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
| | - Peng Xue
- Department of Clinical Laboratory, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
| | - Caixia Li
- Department of Medical Administration, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
| | - Lin Yuan
- Department of Clinical Laboratory, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
| | - Hailing Cui
- Department of Clinical Laboratory, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
| | - Chengyong Yu
- Department of Clinical Laboratory, Weihai Central Hospital, Weihai, Shandong 264400, P.R. China
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Zhuo X, Zhuo B, Ouyang S, Niu P, Xiao M. Adverse clinical outcomes associated with double dose clopidogrel compared to the other antiplatelet regimens in patients with coronary artery disease: a systematic review and meta-analysis. BMC Pharmacol Toxicol 2018; 19:54. [PMID: 30176938 PMCID: PMC6122215 DOI: 10.1186/s40360-018-0247-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Accepted: 08/28/2018] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Recently, several newer antiplatelet treatment strategies have been used in patients with coronary artery disease (CAD). Apart from the dual antiplatelet therapy (DAPT) consisting of aspirin and clopidogrel, double dose clopidogrel (DDC), triple antiplatelet therapy (TAPT) consisting of aspirin, clopidogrel and cilostazol and other newer antiplatelet agents have shown to be effective in different ways. In this analysis, we aimed to systematically compare the adverse clinical outcomes and the bleeding events which were observed when DDC was compared to the other antiplatelet regimens in patients with CAD. METHODS English publications comparing DDC with other antiplatelet regimens were searched from MEDLARS/MEDLINE, EMBASE, www.ClinicalTrials.gov and Google Scholar. Adverse cardiovascular outcomes and bleeding events were the study endpoints. Statistical analysis was carried out by the RevMan 5.3 software whereby odds ratios (OR) with 95% confidence intervals (CIs) were calculated. RESULTS A total number of 23,065 participants were included. Results of this analysis showed major adverse cardiac events (MACEs), all-cause mortality, cardiac death, stroke, stent thrombosis, revascularization and myocardial infarction (MI) to have been similarly manifested in patients who were treated with DDC versus the control group with OR: 0.98, 95% CI: 0.78-1.22; p = 0.83, OR: 0.95, 95% CI: 0.77-1.17; p = 0.62, OR: 0.97, 95% CI: 0.79-1.20; p = 0.81, OR: 0.98, 95% CI: 0.65-1.48; p = 0.94, OR: 0.84, 95% CI: 0.40-1.75; p = 0.64, OR: 0.88, 95% CI: 0.52-1.49; p = 0.63, and OR: 0.89, 95% CI: 0.65-1.21; p = 0.45 respectively. Any minor and major bleedings were also similarly manifested. When DDC was compared to DAPT, no significant difference was observed in any bleeding event with OR: 1.58, 95% CI: 0.86-2.91; p = 0.14. Even when DDC was compared with either ticagrelor or prasugrel or TAPT, still no significant difference was observed in terms of bleeding outcomes. CONCLUSIONS In patients with CAD, adverse clinical outcomes were not significantly different when DDC was compared to the other antiplatelet regimens. In addition, bleeding events were also similarly manifested when DDC was compared to DAPT, TAPT or ticagrelor/prasugrel.
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Affiliation(s)
- Xiaojun Zhuo
- Department of Cardiology, Affiliated Changsha Hospital of Hunan Normal University, The Fourth Hospital of Changsha, Changsha, 410006, Hunan, People's Republic of China
| | - Bi Zhuo
- Department of Pharmacology, People's Hospital of Laibin, Laibin, 546100, Guangxi, People's Republic of China
| | - Shenyu Ouyang
- Department of Cardiology, Affiliated Changsha Hospital of Hunan Normal University, The Fourth Hospital of Changsha, Changsha, 410006, Hunan, People's Republic of China
| | - Pei Niu
- Department of Cardiology, Affiliated Changsha Hospital of Hunan Normal University, The Fourth Hospital of Changsha, Changsha, 410006, Hunan, People's Republic of China
| | - Mou Xiao
- Department of Cardiology, Affiliated Changsha Hospital of Hunan Normal University, The Fourth Hospital of Changsha, Changsha, 410006, Hunan, People's Republic of China.
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Zhang Q, Zhong Z, Li B, Liao Z, Zhao P, Ye Z, He X, Wang H, Chen W, Huang J. Effects of different CYP2C19 genotypes on prognosis of patients complicated with atrial fibrillation taking clopidogrel after PCI. Exp Ther Med 2018; 16:3492-3496. [PMID: 30233700 PMCID: PMC6143891 DOI: 10.3892/etm.2018.6650] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Accepted: 07/12/2018] [Indexed: 01/23/2023] Open
Abstract
The effects of different cytochrome P450 2C19 (CYP2C19) genotypes on the prognosis of clopidogrel resistance in patients complicated with atrial fibrillation taking clopidogrel after percutaneous coronary intervention (PCI) were investigated. Eighty patients who were complicated with atrial fibrillation and treated with clopidogrel antiplatelet therapy after PCI in Meizhou Hospital Affiliated to Zhongshan University from September 2015 to January 2017 were selected, and divided into two groups according to the CYP2C19 genotype: extensive metabolism (EM) group and poor metabolism (PM) group. The related risk factors of clopidogrel resistance were determined, and the platelet aggregation rate and clopidogrel resistance rate were compared between the two groups during treatment. Non-fatal myocardial infarction and serious life-threatening complications in the two groups were observed. The increased total cholesterol level and the history of smoking and drinking were the independent risk factors of atrial fibrillation after PCI. The platelet aggregation rates in the EM group at 1, 3 and 12 months after medication were significantly lower than those in the PM group in the same period (P<0.05). The clopidogrel resistance rates in EM group before medication and at 1, 3 and 12 months after medication were higher than those in PM group in the same period (P<0.05). The onset time of non-fatal myocardial infarction in EM group was earlier than that in PM group (P<0.05), the infarct area was larger than that in PM group (P<0.05), and the left ventricular ejection fraction (EF) after onset was lower than that in PM group (P<0.05). In conclusion, the increased total cholesterol level and the history of smoking and drinking are the independent risk factors of clopidogrel resistance in patients complicated with atrial fibrillation after PCI. The incidence rates of cardiac complications are increased significantly in patients with PM CYP2C19 genotype.
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Affiliation(s)
- Qifeng Zhang
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Zhixiong Zhong
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Bin Li
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Zhengxian Liao
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Pingsen Zhao
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Zhuolian Ye
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Xuebo He
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Hao Wang
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Wenhao Chen
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
| | - Junping Huang
- Department of Cardiology, Meizhou Hospital Affiliated to Zhongshan University, Meizhou, Guangdong 514031, P.R. China
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12
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Clopidogrel Pharmacokinetics in Malaysian Population Groups: The Impact of Inter-Ethnic Variability. Pharmaceuticals (Basel) 2018; 11:ph11030074. [PMID: 30049953 PMCID: PMC6161187 DOI: 10.3390/ph11030074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/06/2018] [Accepted: 07/08/2018] [Indexed: 12/13/2022] Open
Abstract
Malaysia is a multi-ethnic society whereby the impact of pharmacogenetic differences between ethnic groups may contribute significantly to variability in clinical therapy. One of the leading causes of mortality in Malaysia is cardiovascular disease (CVD), which accounts for up to 26% of all hospital deaths annually. Clopidogrel is used as an adjunct treatment in the secondary prevention of cardiovascular events. CYP2C19 plays an integral part in the metabolism of clopidogrel to the active metabolite clopi-H4. However, CYP2C19 genetic polymorphism, prominent in Malaysians, could influence target clopi-H4 plasma concentrations for clinical efficacy. This study addresses how inter-ethnicity variability within the Malaysian population impacts the attainment of clopi-H4 target plasma concentration under different CYP2C19 polymorphisms through pharmacokinetic (PK) modelling. We illustrated a statistically significant difference (P < 0.001) in the clopi-H4 Cmax between the extensive metabolisers (EM) and poor metabolisers (PM) phenotypes with either Malay or Malaysian Chinese population groups. Furthermore, the number of PM individuals with peak clopi-H4 concentrations below the minimum therapeutic level was partially recovered using a high-dose strategy (600 mg loading dose followed by a 150 mg maintenance dose), which resulted in an approximate 50% increase in subjects attaining the minimum clopi-H4 plasma concentration for a therapeutic effect.
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