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Lian PA, Zhu WQ, Zhao WX, Huang PP, Ran JL, Tang YX, Huang XS, Li R. Lipoprotein(a) in atherosclerotic cardiovascular disease and proprotein convertase subtilisin/kexin-type 9 inhibitors. Clin Chim Acta 2024; 565:119982. [PMID: 39366516 DOI: 10.1016/j.cca.2024.119982] [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: 02/08/2024] [Revised: 09/28/2024] [Accepted: 09/29/2024] [Indexed: 10/06/2024]
Abstract
High plasma lipoprotein(a) (Lp(a)) levels increase the cardiovascular risk in populations with atherosclerotic cardiovascular disease (ASCVD). Apolipoprotein (a) [apo(a)], a unique protein component of Lp(a), plays an important role in the pathogenesis of atherosclerosis. Statins, the primary medication in managing ASCVD, lower low-density lipoprotein cholesterol (LDL-C) but concurrently elevate plasma Lp(a) levels, contributing to an increased residual cardiovascular risk. In turn, proprotein convertase subtilisin/kexin-type 9 (PCSK9) inhibitors, a novel class of LDL-C lowering drugs, effectively reduce plasma Lp(a) levels, which is believed to decrease residual cardiovascular risk. However, the mechanism by which PCSK9 inhibitors reduce Lp(a) levels remains unknown. In addition, there are some clinical limitations of PCSK9 inhibitors. Here, we systematically review the past, present, and prospects of studies pertaining to Lp(a), PCSK9 inhibitors, and ASCVD.
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Affiliation(s)
- Ping-An Lian
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wen-Qiang Zhu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wei-Xin Zhao
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Piao-Piao Huang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Juan-Li Ran
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ya-Xin Tang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xian-Sheng Huang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Cardiovascular Medicine, Guilin Hospital of The Second Xiangya Hospital, Central South University, Guilin, China
| | - Rong Li
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Stomatology, Guilin Hospital of The Second Xiangya Hospital, Central South University, Guilin, China.
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van Bruggen FH, Zuidema SU, Luijendijk HJ. Quantitative assessment of baseline imbalances in evolocumab and alirocumab trials: a meta-epidemiological study. BMC Med Res Methodol 2024; 24:137. [PMID: 38909176 PMCID: PMC11193208 DOI: 10.1186/s12874-024-02260-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 06/07/2024] [Indexed: 06/24/2024] Open
Abstract
BACKGROUND Baseline imbalances have been identified in randomized trials of evolocumab and alirocumab. Our aim was to quantitatively assess (1) the presence of systematic baseline differences, and (2) the relationship of baseline differences with effects on low-density lipoprotein-cholesterol (LDL-c) and clinical outcomes in the trials. METHODS We performed a meta-epidemiological study. PubMed, Embase, regulatory reports, ClinicalTrials.gov and company websites were searched for trials. Seven baseline characteristics (mean age, LDL-c, BMI, percentage males, diabetics, smokers, and hypertensives) and five outcomes (LDL-c, major adverse cardiac events, serious adverse events, any adverse events, all-cause mortality) were extracted. We calculated (1) range and distribution of baseline imbalances (sign-test), (2) pooled baseline differences and heterogeneity (meta-analysis), (3) differences in SDs around continuous variables (sign-test and pooling), and (4) the relationship of baseline differences with outcomes (meta-regression). The comparisons of PCSK9-inhibitor groups with either placebo or ezetimibe were analysed separately and combined. RESULTS We identified 43 trials with 63,193 participants. Baseline characteristics were frequently missing. Many trials showed small baseline imbalances, but some large imbalances. Only baseline BMI showed a statistically significant lower pooled mean for the drug versus placebo groups (MD -0.16; 95% CI -0.24 to -0.09). Heterogeneity in baseline imbalances was present in six placebo- and five ezetimibe-comparisons. Heterogeneity was statistically significant for BMI, males, diabetics and hypertensives in the combined comparisons. There was a statistically significant preponderance for larger SDs in the PCSK9-inhibitor versus control groups (sign-test age 0.014; LDL-c 0.014; BMI 0.049). Meta-regression showed clinically relevant relationships of baseline imbalances in age, BMI and diabetics with the risk of any adverse events and the risk of mortality. Two relationships were statistically significant: A higher mean BMI in the drug versus control group with a decreased risk of mortality (beta - 0.56; 95% CI -1.10 to -0.02), and a higher proportion of diabetics with an increased risk of any adverse events (beta 0.02; 95% 0.01 to 0.04). CONCLUSIONS Heterogeneous baseline imbalances and systematically different SDs were present in evolocumab and alirocumab trials, so study groups cannot be assumed to be comparable. These findings raise concerns about the design and conduct of the randomization procedures.
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Affiliation(s)
- F H van Bruggen
- Department of General Practice and Elderly Care Medicine, University of Groningen, University Medical Centre Groningen (UMCG), PO Box 196, Groningen, AD, 9700, The Netherlands
| | - S U Zuidema
- Department of General Practice and Elderly Care Medicine, University of Groningen, University Medical Centre Groningen (UMCG), PO Box 196, Groningen, AD, 9700, The Netherlands
| | - H J Luijendijk
- Department of General Practice and Elderly Care Medicine, University of Groningen, University Medical Centre Groningen (UMCG), PO Box 196, Groningen, AD, 9700, The Netherlands.
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Wang X, Qiu M, Cheng Z, Ji X, Chen J, Zhu H, Tang Y, Huang Z, Su G, Wang G, Huang Z, Yao Z, Lin J, Sun Y, Li S, Shao C, Zhao Y, Bai X, Han Y. Efficacy and Safety of Ongericimab in Chinese Patients With Primary Hypercholesterolemia and Mixed Dyslipidemia. J Am Heart Assoc 2024; 13:e033669. [PMID: 38818934 PMCID: PMC11255649 DOI: 10.1161/jaha.123.033669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 04/23/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND A phase 3 trial was conducted to evaluate the efficacy and safety of ongericimab, a monoclonal antibody that inhibits proprotein convertase subtilisin/kexin type 9, as an add-on treatment to optimized lipid-lowering therapy in Chinese patients with primary hypercholesterolemia and mixed dyslipidemia. METHODS AND RESULTS A total of 806 patients who were receiving stable and optimized lipid-lowering therapy but did not achieve their low-density lipoprotein cholesterol (LDL-C) targets were enrolled and randomly assigned in a 2:1:2:1 ratio to receive either ongericimab 150 mg or matching placebo every 2 weeks, or ongericimab 300 mg or matching placebo every 4 weeks for 52 weeks. Efficacy and safety were evaluated in 802 patients who received at least 1 dose of ongericimab or placebo. The primary end point was the percentage change in LDL-C from baseline to week 24. Our findings demonstrated that the least-squares mean difference of percentage change in LDL-C from baseline to week 24 was -67.7% (95% CI, -72.5% to -63.0%; P<0.0001) in the ongericimab 150 mg every 2 weeks group compared with the placebo every 2 weeks group, and -61.2% (95% CI, -67.1% to -55.2%; P<0.0001) in the ongericimab 300 mg every 4 weeks group compared with the placebo every 4 weeks group. These reductions were sustained up to week 52. Furthermore, treatment with ongericimab favorably altered other lipid parameters. A similar incidence of adverse events was observed in the ongericimab and placebo groups. CONCLUSIONS Ongericimab, as an add-on treatment to optimized lipid-lowering therapy, significantly reduced LDL-C and was well-tolerated in Chinese patients with primary hyperlipidemia and mixed dyslipidemia who did not achieve their LDL-C targets. REGISTRATION URL: https://www.clinicaltrials.gov; Unique identifier: NCT04781114.
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MESH Headings
- Adult
- Aged
- Female
- Humans
- Male
- Middle Aged
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal/adverse effects
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antibodies, Monoclonal, Humanized/adverse effects
- Antibodies, Monoclonal, Humanized/administration & dosage
- Anticholesteremic Agents/therapeutic use
- Anticholesteremic Agents/adverse effects
- Anticholesteremic Agents/administration & dosage
- Asian People
- Biomarkers/blood
- China
- Cholesterol, LDL/blood
- Double-Blind Method
- Drug Therapy, Combination
- Dyslipidemias/drug therapy
- Dyslipidemias/blood
- Dyslipidemias/diagnosis
- East Asian People
- Hypercholesterolemia/drug therapy
- Hypercholesterolemia/blood
- Hypercholesterolemia/diagnosis
- PCSK9 Inhibitors/therapeutic use
- Proprotein Convertase 9/immunology
- Proprotein Convertase 9/metabolism
- Time Factors
- Treatment Outcome
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Affiliation(s)
- Xiaozeng Wang
- General Hospital of Northern Theater CommandShenyangChina
| | - Miaohan Qiu
- General Hospital of Northern Theater CommandShenyangChina
| | - Zhifeng Cheng
- The Fourth Hospital of Harbin Medical UniversityHarbinChina
| | | | - Jiyan Chen
- Guangdong General HospitalGuangzhouChina
| | - Hong Zhu
- The Affiliated Hospital of Xuzhou Medical UniversityXuzhouChina
| | - Yida Tang
- Peking University Third HospitalBeijingChina
| | - Zhouqing Huang
- The First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | | | - Gaopin Wang
- The First Affiliated Hospital of Jinzhou Medical UniversityJinzhouChina
| | - Zhijun Huang
- The Third Xiangya Hospital of Central South UniversityChangshaChina
| | | | - Jinxiu Lin
- The First Affiliated Hospital of Fujian Medical UniversityFuzhouChina
| | - Yihong Sun
- China‐Japan Friendship HospitalBeijingChina
| | - Shunhui Li
- The First Hospital of NanchangNanchangChina
| | - Cong Shao
- Shanghai Junshi Biosciences Co., Ltd.ShanghaiChina
| | - Yi Zhao
- Shanghai Junshi Biosciences Co., Ltd.ShanghaiChina
| | - Xuelian Bai
- Shanghai Junshi Biosciences Co., Ltd.ShanghaiChina
| | - Yaling Han
- General Hospital of Northern Theater CommandShenyangChina
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Xu L, Wang L, Wang Y, Wang Y, Jiang Y, Du P, Cheng J, Zhang C, Wang R, Jiao T, Xing L, Ma J, Li J. PCSK9 inhibitors ameliorate arterial stiffness in ACS patients: evidences from Mendelian randomization, a retrospective study and basic experiments. Front Med (Lausanne) 2024; 11:1408760. [PMID: 38860206 PMCID: PMC11163136 DOI: 10.3389/fmed.2024.1408760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 05/09/2024] [Indexed: 06/12/2024] Open
Abstract
Background Current evidences suggest that Proprotein Convertase Subtilisin/kexin Type 9 inhibitors (PCSK9i) exhibit a protective influence on acute coronary syndrome (ACS). Nevertheless, further investigation is required to comprehend the impact and mechanisms of these pharmaceutical agents on inflammatory factors and arterial stiffness (AS) in patients with ACS. Consequently, the objective of this study is to ascertain the influence of PCSK9i on arterial stiffness in ACS patients and elucidate the underlying mechanisms behind their actions. Methods This study employed Mendelian randomization (MR) analysis to examine the association between genetic prediction of PCSK9 inhibition and arterial stiffness. Data of 71 patients with ACS were retrospectively collected, including PCSK9i group (n = 36, PCSK9 inhibitors combined with statins) and control group (n = 35, statins only). Blood lipid levels, inflammatory markers and pulse wave velocity (PWV) data were collected before treatment and at 1 and 6 months after treatment for analysis. Additionally, cell experiments were conducted to investigate the impact of PCSK9i on osteogenesis of vascular smooth muscle cells (VSMCs), utilizing western blot (WB), enzyme-linked immunosorbent assay (ELISA), and calcification index measurements. Results The results of the MR analysis suggest that genetic prediction of PCSK9 inhibition has potential to reduce the PWV. Following treatment of statins combined with PCSK9 inhibitors for 1 and 6 months, the PCSK9i group exhibited significantly lower levels of total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), C-reactive protein (CRP), interleukin-6 (IL-6), fibrinogen (FIB) and procalcitonin (PCT) compared to the control group (p < 0.05). Additionally, PWV in the PCSK9i group demonstrated significant reduction after 6 months of treatment and was found to be associated with the circulating CRP level. In cell experiments, PCSK9i pretreatment ameliorated osteogenesis of VSMCs through reducing the deposition of calcium ions, alkaline phosphatase (ALP) activity, and expression of runt-related transcription factor 2 (RUNX2). Conclusion PCSK9i have potential to enhance arterial stiffness in ACS patients. Specifically, at the clinical level, this impact may be attributed to alterations in circulating CRP levels. At the cellular level, it is associated with the signaling pathway linked to RUNX2.
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Affiliation(s)
- Linghao Xu
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Liang Wang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yuanqi Wang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yiqiong Wang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yuanzhen Jiang
- Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Peizhao Du
- Department of Cardiology, Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine of Shanghai, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing Cheng
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Chunsheng Zhang
- Department of Cardiology, East Hospital of Clinical Medical College, Nanjing Medical University, Nanjing, China
| | - Ruijie Wang
- Department of Cardiology, Harbin Medical University First Affiliated Hospital, Harbin, China
| | - Tiantian Jiao
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Lijian Xing
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiangping Ma
- School of Medicine, Tongji University, Shanghai, China
| | - Jiming Li
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
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Moustafa B, Oparowski D, Testai S, Guman I, Trifan G. Efficacy and safety of PCSK9 inhibitors for stroke prevention: Systematic review and meta-analysis. J Stroke Cerebrovasc Dis 2024; 33:107633. [PMID: 38336118 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 02/01/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024] Open
Abstract
OBJECTIVE Investigate the efficacy and safety of proprotein convertase subtilisin/kexin type 9 inhibitors (PCSK9i) on stroke prevention. BACKGROUND PCSK9i reduce low-density lipoprotein cholesterol (LDL-C) and lipoprotein a (LpA) levels. Their efficacy in reducing the risk of major cardiovascular events has been shown in multiple randomized clinical trials (RCT). However, clinical equipoise remains on the magnitude and mechanisms by which PCSK9i decrease the risk of stroke. METHODS We performed a systematic search of biomedical databases from inception to January 15, 2024, to identify RCTs that investigated the efficacy of PCSK9i versus placebo for major cardiovascular event prevention. The primary outcome was total stroke. The safety outcome was the risk of adverse neurological events, as defined by each trial. Effect size was represented by risk ratio (RR), and analysis was done using random-effects meta-analysis. Heterogeneity was assessed by I2 and Cochrane Q statistics. Meta-regression analyses were performed to assess the association between LDL-C and LpA reduction and stroke risk. RESULTS Overall, 20 studies with 93,093 patients were included. The quality of the evidence was moderate and heterogeneity for all comparisons was low (I2 < 25 %). The mean age was 60.1 years for the PCSK9i group and 59.6 years for the placebo group, with a mean follow-up time of 60.1 weeks. PCSK9i reduced the LDL-C levels by 11 % and LpA levels by 8 %. PCSK9i were associated with a significant reduction in stroke risk (RR 0.75, 95 % CI 0.66-0.86, I2 = 0 %), without an increase in mortality (RR 0.97, 95 % CI 0.87-1.08, I2 = 0 %). The risk of adverse neurological events was similar between groups (RR 0.99, 95 % CI 0.84-1.18, I2 = 11 %). In meta-regression analyses, the stroke risk was not associated with the magnitude of the effect of PCSK9i on LDL-C (LDL C β = -0.01, 95 % CI = -0.03-0.02) and LpA (β = -0.01, 95 % CI = -0.06-0.04) levels. CONCLUSIONS PCSK9i significantly reduced the stroke risk, without increasing mortality or the risk of adverse neurological events. Our findings also suggest that the beneficial effect of PCSK9i on stroke risk is mediated by LDL-C- and LpA-independent mechanisms.
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Affiliation(s)
- Bayan Moustafa
- Mayo Clinic Health System-Eau Claire, Eau Claire, WI, United States.
| | | | - Sofia Testai
- Latin School of Chicago, Chicago, IL, United States
| | - Ilan Guman
- Glenbrook North High Sch, Northbrook, IL, United States
| | - Gabriela Trifan
- Department of Neurology and Rehabilitation, University of Illinois Chicago, College of Medicine, Chicago, IL, United States
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Gill PK, Hegele RA. New Biological Therapies for Low-Density Lipoprotein Cholesterol. Can J Cardiol 2023; 39:1913-1930. [PMID: 37562541 DOI: 10.1016/j.cjca.2023.08.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/12/2023] Open
Abstract
Depressed low-density lipoprotein cholesterol concentration protects against atherosclerotic cardiovascular disease. Natural hypocholesterolemia states can have a monogenic etiology, caused by pathogenic loss of function variants in the PCSK9, ANGPTL3, MTTP, or APOB genes. In this focused review, we discuss development and clinical use of several new therapeutics that inhibit these gene products to target elevated levels of low-density lipoprotein cholesterol. In particular, inhibitors of proprotein convertase subtilisin kexin type 9 (PCSK9) have notably affected clinical practice, followed recently by inhibition of angiopoietin-like 3 (ANGPTL3). Currently used in the clinic are alirocumab and evolocumab, two anti-PCSK9 monoclonal antibodies, inclisiran, a small interfering RNA that prevents PCSK9 translation, evinacumab, an anti-ANGPTL3 monoclonal antibody, and lomitapide, a small-molecule inhibitor of microsomal triglyceride transfer protein. Additional therapies are in preclinical or clinical trial stages of development. These consist of other monoclonal antibodies, antisense oligonucleotides, small-molecule inhibitors, mimetic peptides, adnectins, vaccines, and gene-editing therapies. Vaccines and gene-editing therapies in particular hold great potential to confer active long-term attenuation or provide single-treatment life-long knock-down of PCSK9 or ANGPTL3 activity. Biologic therapies inspired by monogenic hypocholesterolemia states are becoming valuable tools to help protect against atherosclerotic cardiovascular disease.
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Affiliation(s)
- Praneet K Gill
- Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Robert A Hegele
- Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.
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7
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Rajabian A, McCloskey AP, Jamialahmadi T, Moallem SA, Sahebkar A. A review on the efficacy and safety of lipid-lowering drugs in neurodegenerative disease. Rev Neurosci 2023; 34:801-824. [PMID: 37036894 DOI: 10.1515/revneuro-2023-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 03/10/2023] [Indexed: 04/11/2023]
Abstract
There is a train of thought that lipid therapies may delay or limit the impact of neuronal loss and poor patient outcomes of neurodegenerative diseases (NDDs). A variety of medicines including lipid lowering modifiers (LLMs) are prescribed in NDDs. This paper summarizes the findings of clinical and observational trials including systematic reviews and meta-analyses relating to LLM use in NDDs published in the last 15 years thus providing an up-to-date evidence pool. Three databases were searched PubMed, CINAHL, and Web of Science using key terms relating to the review question. The findings confirm the benefit of LLMs in hyperlipidemic patients with or without cardiovascular risk factors due to their pleotropic effects. In NDDs LLMs are proposed to delay disease onset and slow the rate of progression. Clinical observations show that LLMs protect neurons from α-synuclein, tau, and Aβ toxicity, activation of inflammatory processes, and ultimately oxidative injury. Moreover, current meta-analyses and clinical trials indicated low rates of adverse events with LLMs when used as monotherapy. LLMs appear to have favorable safety and tolerability profiles with few patients stopping treatment due to severe adverse effects. Our collated evidence thus concludes that LLMs have a role in NDDs but further work is needed to understand the exact mechanism of action and reach more robust conclusions on where and when it is appropriate to use LLMs in NDDs in the clinic.
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Affiliation(s)
- Arezoo Rajabian
- Department of Internal Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alice P McCloskey
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Tannaz Jamialahmadi
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Adel Moallem
- Department of Pharmacology and Toxicology, College of Pharmacy, Al-Zahraa University for Women, Karbala, Iraq
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Yang S, Shen W, Zhang HZ, Wang CX, Yang PP, Wu QH. Effect of PCSK9 Monoclonal Antibody Versus Placebo/Ezetimibe on Atrial Fibrillation in Patients at High Cardiovascular Risk: A Meta-Analysis of 26 Randomized Controlled Trials. Cardiovasc Drugs Ther 2023; 37:927-940. [PMID: 35511323 DOI: 10.1007/s10557-022-07338-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/18/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Patients at high cardiovascular risk are closely associated with an increased risk of atrial fibrillation (AF). Whether proprotein convertase subtilisin/kexin type 9 monoclonal antibodies (PCSK9 mAbs) can attenuate AF progression remains unknown. METHODS To compare PCSK9 mAbs with placebo or ezetimibe to explore the effect of PCSK9 mAbs therapy on the end-point of incidence of AF, we searched PubMed, Embase, and ClinicalTrials.gov for articles. We used Mantel-Haenszel risk ratio (RR) with corresponding 95% CI for the categorical data, including the incidence of AF and predefined other outcomes of interest. RESULTS We included 21 articles consisting of 26 randomized controlled trials with a total of 95,635 participants. Quantitative synthesis revealed that PCSK9 mAbs significantly reduce the incidence of AF events (RR 0.84; 95% CI 0.72-0.98; p = 0.03), whereas no obvious differences were seen between the PCSK9 mAbs group and the ezetimibe group (RR 0.90; 95% CI 0.29-2.76; p = 0.85). PCSK9 mAbs also markedly decreased the incidence of cerebrovascular events (RR 0.75; 95% CI 0.66-0.85; p < 0.0001) and new-onset hypertension (RR 0.92; 95% CI 0.87-0.97; p = 0.003), but not the risk of cardiovascular death (RR 0.95; 95% CI 0.85-1.07; p = 0.40) and new-onset diabetes mellitus (RR 1.01; 95% CI 0.95-1.08; p = 0.67). CONCLUSIONS Overall, the PCSK9 mAbs therapy reduced AF and presented certain cardiovascular benefits in patients at high cardiovascular risk. Further big-scale and long follow-up duration randomized controlled trials that compare PCSK9 mAbs with ezetimibe are required to evaluate the effect of PCSK9 mAbs versus ezetimibe on AF.
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Affiliation(s)
- Shuai Yang
- The Second Clinical Medical College of Nanchang University, Nanchang, China
| | - Wen Shen
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hong-Zhou Zhang
- The Second Clinical Medical College of Nanchang University, Nanchang, China
| | - Chen-Xi Wang
- The Second Clinical Medical College of Nanchang University, Nanchang, China
| | - Ping-Ping Yang
- Department of Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Qing-Hua Wu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China.
- Cardiovascular Disease Prevention and Treatment Center, The Second Affiliated Hospital of Nanchang University, Nanchang, China.
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9
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LI JJ, ZHAO SP, ZHAO D, LU GP, PENG DQ, LIU J, CHEN ZY, GUO YL, WU NQ, YAN SK, WANG ZW, GAO RL. 2023 China Guidelines for Lipid Management. J Geriatr Cardiol 2023; 20:621-663. [PMID: 37840633 PMCID: PMC10568545 DOI: 10.26599/1671-5411.2023.09.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023] Open
Abstract
Atherosclerotic cardiovascular disease (ASCVD) is the leading cause of death among urban and rural residents in China, and elevated low-density lipoprotein cholesterol (LDL-C) is a risk factor for ASCVD. Considering the increasing burden of ASCVD, lipid management is of the utmost importance. In recent years, research on blood lipids has made breakthroughs around the world, hence a revision of China guidelines for lipid management is imperative, especially since the target lipid levels in the general population vary in respect to the risk of ASCVD. The level of LDL-C, which can be regarded as appropriate in a population without frisk factors, can be considered abnormal in people at high risk of developing ASCVD. As a result, the "Guidelines for the prevention and treatment of dyslipidemia" were adapted into the "China Guidelines for Lipid Management" (henceforth referred to as the new guidelines) by an Experts' committee after careful deliberation. The new guidelines still recommend LDL-C as the primary target for lipid control, with CVD risk stratification to determine its target value. These guidelines recommend that moderate intensity statin therapy in adjunct with a heart-healthy lifestyle, be used as an initial line of treatment, followed by cholesterol absorption inhibitors or/and proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors, as necessary. The new guidelines provide guidance for lipid management across various age groups, from children to the elderly. The aim of these guidelines is to comprehensively improve the management of lipids and promote the prevention and treatment of ASCVD by guiding clinical practice.
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Affiliation(s)
- Jian-Jun LI
- National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Shui-Ping ZHAO
- The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Dong ZHAO
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Guo-Ping LU
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Dao-Quan PENG
- The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jing LIU
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhen-Yue CHEN
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yuan-Lin GUO
- National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Na-Qiong WU
- National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Sheng-Kai YAN
- Affiliated Hospital of Zunyi Medical University, School of Laboratory Medicine of Zunyi Medical University, Zunyi, Guizhou, China
| | - Zeng-Wu WANG
- National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Run-Lin GAO
- National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences, Beijing, China
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10
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Li JJ, Zhao SP, Zhao D, Lu GP, Peng DQ, Liu J, Chen ZY, Guo YL, Wu NQ, Yan SK, Wang ZW, Gao RL. 2023 Chinese guideline for lipid management. Front Pharmacol 2023; 14:1190934. [PMID: 37711173 PMCID: PMC10498001 DOI: 10.3389/fphar.2023.1190934] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 06/26/2023] [Indexed: 09/16/2023] Open
Abstract
Atherosclerotic cardiovascular disease (ASCVD) is the leading cause of death among urban and rural residents in China, and elevated low-density lipoprotein cholesterol (LDL-C) is a risk factor for ASCVD. Considering the increasing burden of ASCVD, lipid management is of the utmost importance. In recent years, research on blood lipids has made breakthroughs around the world, hence a revision of Chinese guideline for lipid management is imperative, especially since the target lipid levels in the general population vary in respect to the risk of ASCVD. The level of LDL-C, which can be regarded as appropriate in a population without frisk factors, can be considered abnormal in people at high risk of developing ASCVD. As a result, the "Guidelines for the prevention and treatment of dyslipidemia" were adapted into the "Chinese guideline for Lipid Management" (henceforth referred to as the new guidelines) by an Experts' committee after careful deliberation. The new guidelines still recommend LDL-C as the primary target for lipid control, with cardiovascular disease (CVD) risk stratification to determine its target value. These guidelines recommend that moderate intensity statin therapy in adjunct with a heart-healthy lifestyle, be used as an initial line of treatment, followed by cholesterol absorption inhibitors or/and proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors, as necessary. The new guidelines provide guidance for lipid management across various age groups, from children to the elderly. The aim of these guidelines is to comprehensively improve the management of lipids and promote the prevention and treatment of ASCVD by guiding clinical practice.
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Affiliation(s)
- Jian-Jun Li
- National Center for Cardiovascular Diseases, FuWai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Shui-Ping Zhao
- The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Dong Zhao
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Guo-Ping Lu
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Dao-Quan Peng
- The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jing Liu
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhen-Yue Chen
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yuan-Lin Guo
- National Center for Cardiovascular Diseases, FuWai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Na-Qiong Wu
- National Center for Cardiovascular Diseases, FuWai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Sheng-Kai Yan
- Affiliated Hospital of Zunyi Medical University, School of Laboratory Medicine of Zunyi Medical University, Zunyi, Guizhou, China
| | - Zeng-Wu Wang
- National Center for Cardiovascular Diseases, FuWai Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Run-Lin Gao
- National Center for Cardiovascular Diseases, FuWai Hospital, Chinese Academy of Medical Sciences, Beijing, China
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11
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Yu Z, Hu L, Sun C, Wang Z, Zhang X, Wu M, Liu L. Effect of Different Types and Dosages of Proprotein Convertase Subtilisin/Kexin Type 9 Inhibitors on Lipoprotein(a) Levels: A Network Meta-analysis. J Cardiovasc Pharmacol 2023; 81:445-453. [PMID: 36972559 DOI: 10.1097/fjc.0000000000001419] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 02/19/2023] [Indexed: 03/29/2023]
Abstract
ABSTRACT Lipoprotein(a) [Lp(a)] has become an important component of the residual risk of cardiovascular diseases. Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors display promising effects in controlling Lp(a) levels. However, the effects of different types and dosages of PCSK9 inhibitors on Lp(a) have not been studied in detail. These include 2 monoclonal antibodies, alirocumab and evolocumab, and inclisiran, a small interfering RNA. We searched PubMed, Web of Science, Embase, and Cochrane Library for randomized controlled trials to investigate the efficacy of PCSK9 inhibitors at the Lp(a) level. Although changes in Lp(a) levels were not the primary endpoint in any of these studies, they all described these valuable data. Forty-one randomized controlled trials with 17,601 participants were included, involving 23 unduplicated interventions. Most PCSK9 inhibitors significantly reduced Lp(a) levels compared with placebo. The pairwise comparison demonstrated no significant difference among most PCSK9 inhibitors. However, in the comparison among different dosages of alirocumab, the dosage of 150 mg Q2W showed a significant reduction in Lp(a) levels compared with the dosages of 150, 200, and 300 mg Q4W. In addition, the comparison results demonstrated the significant efficacy of evolocumab 140 mg Q2W compared with alirocumab at a dosage of 150 mg Q4W. The cumulative rank probabilities demonstrated that evolocumab 140 mg Q2W showed the highest efficacy. This study showed that PCSK9 inhibitors reduced Lp(a) levels by up to 25.1%. A biweekly dose of either 140 mg evolocumab or 150 mg alirocumab was the best treatment option. However, the reduction in Lp(a) levels with a single kind of PCSK9 inhibitor alone did not demonstrate sufficient clinical benefit. Therefore, for patients with very high Lp(a) levels who remain at high residual risk in the context of statin administration, it may be acceptable to use a kind of PCSK9 inhibitor, but the clinical benefit needs further investigation.
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Affiliation(s)
- Zongliang Yu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Lanqing Hu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Changxin Sun
- Graduate School of Beijing University of Chinese Medicine, Beijing, China; and
| | - Zeping Wang
- Graduate School of Beijing University of Chinese Medicine, Beijing, China; and
| | - Xiaonan Zhang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Min Wu
- Guang'an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Longtao Liu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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12
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Khan Z, Gul A, Yousif Y, Gupta A. A Systematic Review of Lipid Management in Secondary Prevention and Comparison of International Lipid Management Pathways. Cureus 2023; 15:e35463. [PMID: 36994289 PMCID: PMC10042622 DOI: 10.7759/cureus.35463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/25/2023] [Indexed: 02/27/2023] Open
Abstract
Acute coronary syndrome remains a major cause of morbidity and mortality despite significant improvements in its prevention and management. Lipid management and other risk factors such as hypertension, diabetes, obesity, smoking and sedentary lifestyle stratification is the key to minimising this risk. Lipid management is an important part of secondary prevention and patients are historically undertreated after post-acute coronary syndrome. We performed a narrative review on observational studies on lipid management pathways post ACS on PubMed, Google Scholar, Journal Storage and ScienceDirect and excluded case reports, case series and randomized controlled trials. Our review showed that most patients following acute coronary syndrome receive suboptimal treatment for hypercholesterolemia. The role of statin in reducing future cardiac events risk is undisputable, however, statin intolerance remains a major concern. There is substantial variation in the management of lipids in patients following an acute cardiac event and patients were followed up in primary care in some countries and secondary care in others. The mortality risk is significantly high in patients with second or recurrent cardiac events and future cardiac events are associated with higher morbidity and mortality risk. There is significant variation in lipid management pathways in patients who suffer from cardiac events across the globe and lipid therapy optimization remains suboptimal in these patients, putting them at future risk of cardiovascular events. It is therefore imperative to optimally manage dyslipidemia in these patients in order to minimize the risk of subsequent cardiac events. Cardiac rehabilitation programs might be a way forward to incorporate lipid management for patients discharged from the hospital after having acute coronary events for lipid therapy optimization.
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Affiliation(s)
- Zahid Khan
- Acute Medicine, Mid and South Essex NHS Foundation Trust, Southend on Sea, GBR
- Cardiology, Bart's Heart UK, London, GBR
- Cardiology and General Medicine, Barking, Havering and Redbridge University Hospitals NHS Trust, London, GBR
- Cardiology, Royal Free Hospital, London, GBR
| | - Amresh Gul
- General Practice, Lifeline Hospital, Salalah, OMN
| | - Yousif Yousif
- Internal Medicine, Barking, Havering and Redbridge University Hospitals NHS Trust, London, GBR
| | - Animesh Gupta
- Acute Internal Medicine, Southend University Hospital NHS Trust, Southend on Sea, GBR
- Acute Internal Medicine/Intensive Care, Barking, Havering and Redbridge University Hospitals NHS Trust, London, GBR
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13
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Choi HD, Kim JH. An Updated Meta-Analysis for Safety Evaluation of Alirocumab and Evolocumab as PCSK9 Inhibitors. Cardiovasc Ther 2023; 2023:7362551. [PMID: 36704607 PMCID: PMC9834631 DOI: 10.1155/2023/7362551] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/10/2022] [Accepted: 12/17/2022] [Indexed: 01/06/2023] Open
Abstract
Background Alirocumab and evolocumab, as protein convertase subtilisin kexin type 9 (PCSK9) inhibitors, have been reported to reduce cardiovascular risk. This meta-analysis is aimed at updating the safety data of PCSK9 inhibitors. Methods We assessed the relative risk for all treatment-related adverse events, serious adverse events, diabetes-related adverse events, and neurocognitive and neurologic adverse events with PCSK9 inhibitors compared to controls (placebo or ezetimibe). In addition, we conducted a meta-analysis to quantitatively integrate and estimate the adverse event rates in long-term studies. Results There were no significant differences between PCSK9 inhibitors and controls in the relative risk analysis. In a subgroup analysis of each PCSK9 inhibitor, alirocumab treatment significantly reduced the risk of serious adverse events compared to control treatment (risk ratio (RR) = 0.937; 95% confidence interval (CI), 0.896-0.980), but no significant difference was observed with evolocumab treatment (RR = 1.003; 95% CI, 0.963-1.054). Moreover, alirocumab treatment afforded a significant reduction in the risk of diabetes-related adverse events compared to control treatment (RR = 0.9137; 95% CI, 0.845-0.987). The overall incidence (event rate) of long-term adverse events was 75.1% (95% CI, 71.2%-78.7%), and the incidence of serious long-term event rate was 16.2% (95% CI, 11.6%-22.3%). Conclusions We suggest that alirocumab and evolocumab are generally safe and well tolerated and that their addition to background lipid-lowering therapy is not associated with an increased risk of adverse events or toxicity.
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Affiliation(s)
- Hye Duck Choi
- College of Pharmacy, Yeungnam University, Gyeongbuk, Republic of Korea
| | - Ji Hae Kim
- College of Pharmacy, Yeungnam University, Gyeongbuk, Republic of Korea
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14
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Beltran RA, Zemeir KJ, Kimberling CR, Kneer MS, Mifflin MD, Broderick TL. Is a PCSK9 Inhibitor Right for Your Patient? A Review of Treatment Data for Individualized Therapy. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16899. [PMID: 36554779 PMCID: PMC9779535 DOI: 10.3390/ijerph192416899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
INTRODUCTION In the United States, a significant amount of the population is affected by hyperlipidemia, which is associated with increased levels of serum low-density lipoprotein (LDL-C) and risk of cardiovascular disease. As of 2019, the guidelines set by the American College of Cardiology/American Heart Association advocate for the use of statins as the major contributor to lowering serum LDL-C. While proven to be effective, side effects, including muscle-related symptoms and new-onset diabetes mellitus, can make patients unable to tolerate statin therapy. Additionally, there is a subset of the population which does not approach a recommended LDL-C goal on statin treatment. Due to these findings, it was deemed necessary to review the literature of current statin-alternative lipid-lowering therapies. METHODS A systematic review of preclinical and clinical papers, and a current meta-analysis, was performed using PubMed and Google Scholar. Following the literature review, a meta-analysis was conducted using ProMeta 3. RESULTS Through systematic review and meta-analysis of the current literature, it is suggested that newer lipid-lowering therapies such as proprotein convertase subtilsin-kixen type 9 (PCSK9) inhibitors are a safe and effective statin alternative for the population with statin intolerance. PCSK9 inhibitors were shown to have no significant effect in causing myalgia in patients and showed no increase in adverse cardiovascular outcomes compared to a control of a current antilipemic medication regimen. DISCUSSION There are many statin-alternative therapies that should be investigated further as a potential replacement for patients with statin intolerance or as an addition for patients with statin resistance.
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Affiliation(s)
- Roman A. Beltran
- Department of Biomedical Sciences, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA
- College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308, USA
| | - Kyle J. Zemeir
- Department of Biomedical Sciences, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA
- College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308, USA
| | - Chase R. Kimberling
- Department of Biomedical Sciences, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA
| | - Mary S. Kneer
- Department of Biomedical Sciences, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA
| | - Michelle D. Mifflin
- College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308, USA
| | - Tom L. Broderick
- Laboratory of Diabetes and Exercise Metabolism, Department of Physiology, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA
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15
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Toth PP, Bray S, Villa G, Palagashvili T, Sattar N, Stroes ESG, Worth GM. Network Meta-Analysis of Randomized Trials Evaluating the Comparative Efficacy of Lipid-Lowering Therapies Added to Maximally Tolerated Statins for the Reduction of Low-Density Lipoprotein Cholesterol. J Am Heart Assoc 2022; 11:e025551. [PMID: 36073669 PMCID: PMC9683660 DOI: 10.1161/jaha.122.025551] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 05/31/2022] [Indexed: 11/16/2022]
Abstract
Background Lowering low-density lipoprotein cholesterol (LDL-C) levels decreases major cardiovascular events and is recommended for patients at elevated cardiovascular risk. However, appropriate doses of statin therapy are often insufficient to reduce LDL-C in accordance with current guidelines. In such cases, treatment could be supplemented with nonstatin lipid-lowering therapy. Methods and Results A systematic literature review and network meta-analysis were conducted on randomized controlled trials of nonstatin lipid-lowering therapy added to maximally tolerated statins, including statin-intolerant patients. The primary objective was to assess relative efficacy of nonstatin lipid-lowering therapy in reducing LDL-C levels at week 12. Secondary objectives included the following: LDL-C level reduction at week 24 and change in non-high-density lipoprotein cholesterol and apolipoprotein B at week 12. There were 48 randomized controlled trials included in the primary network meta-analysis. All nonstatin agents significantly reduced LDL-C from baseline versus placebo, regardless of background therapy. At week 12, evolocumab, 140 mg every 2 weeks (Q2W)/420 mg once a month, and alirocumab, 150 mg Q2W, were the most efficacious regimens, followed by alirocumab, 75 mg Q2W, alirocumab, 300 mg once a month, inclisiran, bempedoic acid/ezetimibe fixed-dose combination, and ezetimibe and bempedoic acid used as monotherapies. Primary end point results were generally consistent at week 24, and for other lipid end points at week 12. Conclusions Evolocumab, 140 mg Q2W/420 mg once a month, and alirocumab, 150 mg Q2W, were consistently the most efficacious nonstatin regimens when added to maximally tolerated statins to lower LDL-C, non-high-density lipoprotein cholesterol, and apolipoprotein B levels and facilitate attainment of guideline-recommended risk-stratified lipoprotein levels.
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Affiliation(s)
- Peter P. Toth
- Cicarrone Center for the Prevention of Cardiovascular DiseaseJohns Hopkins University School of MedicineBaltimoreMD
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16
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Effect of PCSK9 Inhibitor on Blood Lipid Levels in Patients with High and Very-High CVD Risk: A Systematic Review and Meta-Analysis. Cardiol Res Pract 2022; 2022:8729003. [PMID: 35529059 PMCID: PMC9072011 DOI: 10.1155/2022/8729003] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/30/2022] [Accepted: 04/07/2022] [Indexed: 11/24/2022] Open
Abstract
Objectives We aimed to investigate the effects of proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor on blood lipid levels in patients with high and very-high cardiovascular risk. Design 14 trials (n = 52,586 patients) comparing treatment with or without PCSK9 inhibitors were retrieved from PubMed and Embase updated to 1st Jun 2021. The data quality of included studies was assessed by two independent researchers using the Cochrane systematic review method. All-cause mortality, cardiovascular mortality, and changes in serum low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), triglyceride (TG), apolipoprotein B (ApoB), lipoprotein (a) (LP (a)), non-high-density lipoprotein cholesterol (non-HDL-C), high-density lipoprotein cholesterol (HDL-C), and apolipoprotein A1 (ApoA1) from baseline were analyzed using Rev Man 5.1.0 software. Results Compared with treatments without PCSK9 inhibitor, addition of PCSK9 inhibitors (evolocumab and alirocumab) had obvious decreasing effects on the levels of LDL-C [MD = −46.86, 95% CI (−54.99 to −38.72), P < 0.00001], TC [MD = −31.92, 95% CI (−39.47 to −24.38), P < 0.00001], TG [MD = −8.13, 95% CI (−10.48 to −5.79), P < 0.00001], LP(a) [MD = −26.69, 95% CI (-27.93 to −25.44), P < 0.00001], non-HDL-C [MD = −42.86, 95% CI (−45.81 to −39.92), P < 0.00001], and ApoB [MD = −38.44, 95% CI (−42.23 to -34.65), P < 0.00001] in high CVD risk patients. Conversely, changes of HDL-C [MD = 6.27, CI (5.17 to 7.36), P < 0.00001] and ApoA1 [MD = 4.33, 95% CI (3.53 to 5.13), P < 0.00001] from baseline were significantly more in high cardiovascular disease risk patients who received PCSK9 inhibitors treatment. Conclusion Addition of PCSK9 inhibitors to standard therapy resulted in definite improvement in blood lipid levels compared with therapies that did not include them.
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17
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Yang Q, Sun D, Pei C, Zeng Y, Wang Z, Li Z, Hao Y, Song X, Li Y, Liu G, Tang Y, Smith SC, Han Y, Huo Y, Ge J, Ma C, Fonarow GC, Morgan L, Liu J, Liu J, Zhou M, Zhao D, Zhou Y, Zhou X. LDL cholesterol levels and in-hospital bleeding in patients on high-intensity antithrombotic therapy: findings from the CCC-ACS project. Eur Heart J 2021; 42:3175-3186. [PMID: 34347859 DOI: 10.1093/eurheartj/ehab418] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/29/2020] [Accepted: 06/17/2021] [Indexed: 11/12/2022] Open
Abstract
AIMS Emerging evidence has linked cholesterol metabolism with platelet responsiveness. We sought to examine the dose-response relationship between low-density lipoprotein cholesterol (LDL-C) and major in-hospital bleeds in acute coronary syndrome (ACS) patients. METHODS AND RESULTS Among 42 378 ACS patients treated with percutaneous coronary intervention (PCI) enrolled in 240 hospitals in the Improving Care for Cardiovascular Disease in China-ACS project from 2014 to 2019, a total of 615 major bleeds, 218 ischaemic events, and 337 deaths were recorded. After controlling for baseline variables, a non-linear relationship was observed for major bleeds, with the higher risk at lower LDL-C levels. No dose-response relationship was identified for ischaemic events and mortality. A threshold value of LDL-C <70 mg/dL was associated with an increased risk for major bleeds (adjusted odds ratio: 1.49; 95% confidence interval: 1.21-1.84) in multivariable-adjusted logistic regression models and in propensity score-matched cohorts. The results were consistent in multiple sensitivity analyses. Among ticagrelor-treated patients, the LDL-C threshold for increased bleeding risk was observed at <88 mg/dL, whereas for clopidogrel-treated patients, the threshold was <54 mg/dL. Across a full spectrum of LDL-C levels, the treatment effect size associated with ticagrelor vs. clopidogrel on major bleeds favoured clopidogrel at lower LDL-C levels, but no difference at higher LDL-C levels. CONCLUSIONS In a nationwide ACS registry, a non-linear association was identified between LDL-C levels and major in-hospital bleeds following PCI, with the higher risk at lower levels. As the potential for confounding may exist, further studies are warranted. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02306616.
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Affiliation(s)
- Qing Yang
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Dongdong Sun
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Chongzhe Pei
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Yuhong Zeng
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Zhuoqun Wang
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Ziping Li
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Yongchen Hao
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Xiwen Song
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Yongle Li
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
| | - Gang Liu
- Heart Center, the First Hospital of Hebei Medical University, 89 Donggang Road, Shijiazhuang 050000, Hebei, China
| | - Yida Tang
- Department of Cardiology, Peking University Third Hospital, 49 Huayuanbei Road, Haidian District, Beijing 100191, China
| | - Sidney C Smith
- Division of Cardiology, University of North Carolina at Chapel Hill, 6031 Burnett-Womack Building, Chapel Hill, NC 27599-7075, USA
| | - Yaling Han
- Department of Cardiology, General Hospital of Northern Theater Command, 83 Wenhua Road, Shenhe District, Shenyang 110801, Liaoning, China
| | - Yong Huo
- Department of Cardiology, Peking University First Hospital, 8 Xishiku Street, Xicheng District, 100034 Beijing, China
| | - Junbo Ge
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, 200032 Shanghai, China
| | - Changsheng Ma
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Gregg C Fonarow
- Division of Cardiology, David Geffen School of Medicine at University of California, Los Angeles, 100 UCLA Medical Plaza, Los Angeles, CA 90095, USA
| | - Louise Morgan
- International Quality Improvement Department, American Heart Association, 7272 Greenville Ave, Dallas, TX 75231, USA
| | - Jing Liu
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Jun Liu
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Mengge Zhou
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Dong Zhao
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Yujie Zhou
- Departments of Epidemiology and Cardiology, Beijing Anzhen Hospital, Capital Medical University, the Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing Institute of Heart, Lung and Blood Vessel Diseases, No.2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Xin Zhou
- Department of Cardiology, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin 300052, China
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18
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Jackson CL, Zordok M, Kullo IJ. Familial hypercholesterolemia in Southeast and East Asia. Am J Prev Cardiol 2021; 6:100157. [PMID: 34327494 PMCID: PMC8315601 DOI: 10.1016/j.ajpc.2021.100157] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/01/2021] [Accepted: 02/07/2021] [Indexed: 12/11/2022] Open
Abstract
Familial hypercholesterolemia (FH) is a relatively common autosomal dominant disorder associated with a significantly increased risk of coronary heart disease (CHD). Most (~85-90%) cases are due to pathogenic variants in the LDL-receptor gene (LDLR), while the remaining are due to pathogenic variants in the apolipoprotein B (APOB) and proprotein convertase subtilisin/kexin type 9 (PCSK9) genes, though the proportion may vary depending on geographic location. Even though at least a quarter of the world's FH population lives in Southeast and East Asia, there are substantial gaps in knowledge regarding the epidemiology of FH due to low awareness, the absence of national screening programs, and limited availability of genetic testing. In this review, we discuss the most recent and relevant information available related to diagnostic criteria, prevalence, awareness, clinical characteristics, genetic epidemiology, and treatment in the FH population of Southeast and East Asia. Increasing awareness and improving the diagnosis and management of FH will reduce the burden of premature CHD in these regions of the world.
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Affiliation(s)
| | - Magdi Zordok
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN USA
| | - Iftikhar J. Kullo
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN USA
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Meta-analysis of randomized clinical trials comparing PCSK9 monoclonal antibody versus ezetimibe/placebo in patients at high cardiovascular risk. Atherosclerosis 2021; 326:25-34. [PMID: 34004550 DOI: 10.1016/j.atherosclerosis.2021.04.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/24/2021] [Accepted: 04/16/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND AND AIMS Proprotein convertase subtilisin/kexin type 9 monoclonal antibodies (PCSK9 mAbs) reduce circulating low-density lipoprotein cholesterol (LDL-C) by controlling the expression of LDL-receptor on the surface of hepatocytes. This meta-analysis aimed at evaluating the efficacy of PCSK9 mAbs on clinical and lipid-lowering outcomes. METHODS PubMed, Embase, and ClinicalTrials.gov were searched from inception until November 2020 for randomized controlled trials (RCTs) that compared PCSK9 mAbs with ezetimibe or placebo in patients at high cardiovascular risk. RESULTS Twenty eight RCTs with a total of 89,115 participants were included. Compared with placebo, PCSK9 mAbs significantly reduced the risk of major adverse cardiac events (MACEs) (RR 0.83, 95% CI 0.79 to 0.88, p < 0.00001). However, no difference was observed in occurring MACEs between PCSK9 mAbs and ezetimibe (RR 0.70, 95% CI 0.40 to 1.20, p = 0.20). Secondary analyses show that PCSK9 mAbs were not superior to ezetimibe in preventing stroke (RR 0.38, 95% CI 0.09 to 1.69, p = 0.20), myocardial infarction (RR 0.95, 95% CI 0.47 to 1.90, p = 0.88), and cardiovascular death (RR 0.44, 95% CI 0.14 to 1.43, p = 0.17). Compared with placebo, PCSK9 mAbs significantly reduced the incidence of stroke (RR 0.75, 95% CI 0.66 to 0.86, p < 0.0001) and myocardial infarction (RR 0.81, 95% CI 0.76 to 0.87, p < 0.00001), but not the risk of cardiovascular death (RR 0.96, 95% CI 0.86 to 1.07, p = 0.45). As for lipid-lowering efficacy, PCSK9 mAbs markedly reduced percent change of LDL-C from baseline to week 12 and 24 compared to ezetimibe or placebo. CONCLUSIONS In patients at high cardiovascular risk, PCSK9 mAbs could effectively reduce MACEs, stroke, and myocardial infarction compared with placebo. However, PCSK9 mAbs were not superior to ezetimibe in preventing adverse cardiovascular events in our study; RCTs with long-term follow-up and cardiovascular events as the research endpoint are still needed.
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Liang Z, Chen Q, Wei R, Ma C, Zhang X, Chen X, Fang F, Zhao Q. Cost-Effectiveness of Alirocumab for the Secondary Prevention of Cardiovascular Events after Myocardial Infarction in the Chinese Setting. Front Pharmacol 2021; 12:648244. [PMID: 33935749 PMCID: PMC8080443 DOI: 10.3389/fphar.2021.648244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 02/22/2021] [Indexed: 01/06/2023] Open
Abstract
Background: Proprotein convertase subtilisin/kexin type 9 inhibitor alirocumab reduce ischemic events; however, the cost-effectiveness remains uncertain. This study sought to evaluate its economic value in patients with myocardial infarction (MI) from the Chinese healthcare perspective. Methods: A state-transition Markov model was developed to determine the cost-effectiveness of alirocumab for preventing recurrent MI, ischemic stroke and death. Preventative effect of the therapy was gathered from ODYSSEY OUTCOMES trial and absolute reduction of low-density lipoprotein cholesterol (LDL-C) in ODYSSEY EAST trial, respectively. The primary outcome was the incremental cost-effectiveness ratio (ICER), defined as incremental cost per quality-adjusted life-year (QALY) gained. Results: Compared with statin monotherapy, the ICER of alirocumab therapy at its present discounted price [34,355 Chinese yuan (CNY) annually, 33% rebate] based on clinical follow-up efficacy was 1,613,997 CNY per QALY gained. A willingness-to-pay threshold of 212,676 CNY per QALY would be achieved when the annual cost of alirocumab was reduced by 88% from the full official price to 6071 CNY. The therapeutic effect evaluation estimated by the magnitude of LDL-C reduction was superior to the results of clinical follow-up, but this medication was still far from cost-effective. Multiple vulnerable subgroup analyses demonstrated that the ICER for patients with polyvascular disease in 3 vascular beds was 111,750 CNY per QALY gained. Conclusion: Alirocumab is not cost-effective in general MI population based on current discounted price. High long-term costs of alirocumab may be offset by health benefit in patients with polyvascular disease (3 beds).
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Affiliation(s)
- Zhe Liang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Qi Chen
- Department of Sleep Medical Center, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Ruiqi Wei
- Department of Pulmonary and Critical Care Medicine, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Chenyao Ma
- Department of Ultrasound, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Xuehui Zhang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Xue Chen
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Fang Fang
- Department of Sleep Medical Center, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Quanming Zhao
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
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Li H, Wei Y, Yang Z, Zhang S, Xu X, Shuai M, Vitse O, Wu Y, Baccara-Dinet MT, Zhang Y, Li J. Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Alirocumab in Healthy Chinese Subjects: A Randomized, Double-Blind, Placebo-Controlled, Ascending Single-Dose Study. Am J Cardiovasc Drugs 2020; 20:489-503. [PMID: 32080823 PMCID: PMC7548281 DOI: 10.1007/s40256-020-00394-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND The addition of alirocumab (a fully human monoclonal antibody to proprotein convertase subtilisin/kexin type 9 [PCSK9]) to background statin therapy provides significant incremental low-density lipoprotein cholesterol (LDL-C) lowering and cardiovascular event risk reduction. OBJECTIVES Our objectives were to assess the safety, tolerability, pharmacokinetics, and pharmacodynamics of single ascending doses of alirocumab in healthy Chinese subjects. METHODS In this double-blind, placebo-controlled, phase I study, 35 Chinese subjects (aged 21-45 years) with baseline LDL-C > 100 mg/dL (2.59 mmol/L) were randomized to receive a single 1 mL subcutaneous injection of alirocumab 75, 150, or 300 mg, or placebo, and followed up for ~ 12 weeks. RESULTS Treatment-emergent adverse events, most frequently nasal congestion and dry throat, were reported in three of seven or eight subjects in each alirocumab dose group (two of seven in the placebo group). One patient receiving alirocumab 300 mg had a mild local injection-site reaction. No alirocumab recipients demonstrated antidrug antibodies. Maximum alirocumab serum concentrations (6-34 mg/dL) occurred at a median of 3-7 days across the dose groups. Maximum mean LDL-C reductions from baseline were observed on days 8, 15, and 22 with alirocumab 75 (55.3%), 150 (63.7%), and 300 mg (73.7%), respectively. Mean free PCSK9 levels were reduced to below the lower limit of quantification within 4 h of dosing. Total cholesterol, non-high-density lipoprotein cholesterol, and apolipoprotein B were reduced with alirocumab. CONCLUSIONS In Chinese subjects, alirocumab 75, 150, and 300 mg was safe and well-tolerated. Pharmacokinetic/pharmacodynamic parameters, including clinically meaningful reductions in LDL-C and other lipids/lipoproteins, were consistent with data from Japanese and Western populations. Clinicaltrials.gov identifier: NCT02979015.
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Affiliation(s)
- Haiyan Li
- Department of Cardiology, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University Third Hospital, 49 North Garden Road, Haidian Distrct, Beijing, 100191, China.
- Drug Clinical Trial Center, Peking University Third Hospital, 49 North Garden Road, Haidian Distrct, Beijing, 100191, China.
| | - Yudong Wei
- Drug Clinical Trial Center, Peking University Third Hospital, 49 North Garden Road, Haidian Distrct, Beijing, 100191, China
| | - Zhenhua Yang
- Drug Clinical Trial Center, Peking University Third Hospital, 49 North Garden Road, Haidian Distrct, Beijing, 100191, China
| | - Shuang Zhang
- Drug Clinical Trial Center, Peking University Third Hospital, 49 North Garden Road, Haidian Distrct, Beijing, 100191, China
| | - Xiuxiu Xu
- Drug Clinical Trial Center, Peking University Third Hospital, 49 North Garden Road, Haidian Distrct, Beijing, 100191, China
| | | | - Olivier Vitse
- Clinical Development R&D, Sanofi, Montpellier, France
| | | | | | - Yi Zhang
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY, USA
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Cho KH, Hong YJ. Proprotein convertase subtilisin/kexin type 9 inhibition in cardiovascular disease: current status and future perspectives. Korean J Intern Med 2020; 35:1045-1058. [PMID: 32921006 PMCID: PMC7487297 DOI: 10.3904/kjim.2020.140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/20/2020] [Indexed: 01/14/2023] Open
Abstract
Proprotein convertase subtilisin/kexin type 9 (PCSK9) targets the degradation of low-density lipoprotein (LDL) receptors; it has been proved that its inhibition improves cardiovascular outcomes in patients with established atherosclerotic cardiovascular disease (ASCVD). Herein, we review the current status of PCSK9 inhibitors in clinical practice and the future scope of PCSK9 inhibition. The results of two recent large clinical trials reveal that two PCSK9 monoclonal antibodies evolocumab and alirocumab reduce the risk of a cardiovascular event on top of background statin therapy in patients with stable ASCVD and those with recent acute coronary syndrome, respectively. However, there are several ongoing concerns regarding the efficacy in reducing mortality, cost-effectiveness, and long-term safety of extremely low LDL cholesterol levels with PCSK9 inhibition. The results of ongoing cardiovascular outcomes trials with PCSK9 monoclonal antibodies for primary prevention and with small interfering RNA to PCSK9 for secondary prevention may help to shape the use of this new therapeutic class.
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Affiliation(s)
- Kyung Hoon Cho
- Division of Cardiology, Chonnam National University Medical School, Gwangju, Korea
| | - Young Joon Hong
- Division of Cardiology, Chonnam National University Medical School, Gwangju, Korea
- Correspondence to Young Joon Hong, M.D. Division of Cardiology, Chonnam National University Hospital, 42 Jebong-ro, Dong-gu, Gwangju 61469, Korea Tel: +82-62-220-5778 Fax: +82-62-223-3105 E-mail:
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Kaddoura R, Orabi B, Salam AM. Efficacy and safety of PCSK9 monoclonal antibodies: an evidence-based review and update. J Drug Assess 2020; 9:129-144. [PMID: 32939318 PMCID: PMC7470150 DOI: 10.1080/21556660.2020.1801452] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Objective Treatment of dyslipidemia lowers cardiovascular (CV) risk. Although statin use is a cornerstone therapy, many patients are not achieving their risk-specific low-density lipoprotein cholesterol (LDL-C) goals. The proprotein convertase subtilisin/kexin type 9 (PCSK9) monoclonal antibodies have been extensively studied as lipid-lowering therapy (LLT). Herein, we present an updated evidence-based review of the efficacy and safety of PCSK9 monoclonal antibodies in the treatment of familial and non-familial hypercholesterolemia. Methods PubMed database was searched to review Phase III studies on PCSK9 monoclonal antibodies. Then, the US National Institutes of Health Registry and the WHO International Clinical Trial Registry Platform were searched to identify and present the ongoing research. Results PCSK9 monoclonal antibodies were investigated for the treatment of dyslipidemia, as a single therapeutic agent or as an add-on therapy to the traditional LLT. They proved effective and safe in the treatment of familial and non-familial hypercholesterolemia, and in the prevention of adverse CV events. Conclusions The use of PCSK9 monoclonal antibodies in the treatment of dyslipidemia is currently recommended to achieve risk-specific LDL-C goal to reduce adverse CV events. Future results of the ongoing research might expand their clinical generalizability to broader patient populations.
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Affiliation(s)
- Rasha Kaddoura
- Hamad Medical Corporation, Heart Hospital Pharmacy, Doha, Ad Dawhah, Qatar
| | - Bassant Orabi
- Hamad Medical Corporation, Heart Hospital Pharmacy, Doha, Ad Dawhah, Qatar
| | - Amar M Salam
- Department of Cardiology, Hamad Medical Corporation, Al-khor Hospital, Doha, Ad Dawhah, Qatar
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Abstract
BACKGROUND Despite advances in the development of lipid-lowering therapies, clinical trials have shown that a significant residual risk of cardiovascular disease persists. Specifically, new drugs are needed for non-responding or statin-intolerant subjects or patients considered at very high risk for cardiovascular events even though are already on treatment with the best standard of care. RESULTS AND CONCLUSIONS Besides, genetic and epidemiological studies and Mendelian randomization analyses have strengthened the linear correlation between the concentration of low-density lipoprotein cholesterol (LDL-C) and the incidence of cardiovascular events and highlighted various novel therapeutic targets. This review describes the novel strategies to reduce the levels of LDL-C, non-HDL-C, triglyceride, apolipoprotein B, and Lp(a), focusing on those developed using biotechnology-based strategies.
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