Guangyan Mu1, Qian Xiang1, Shuang Zhou1, Zhiyan Liu1, Litong Qi2, Jie Jiang2, Yanjun Gong2, Qiufen Xie1, Zining Wang1, Hanxu Zhang1, Yong Huo2, Yimin Cui3. 1. Department of Pharmacy, Peking University First Hospital, 6# Dahongluochang Street, Xicheng District, Beijing, 100034, People's Republic of China. 2. Department of Cardiology, Peking University First Hospital, 8# Xishiku Street, Xicheng District, Beijing, 100034, People's Republic of China. 3. Department of Pharmacy, Peking University First Hospital, 6# Dahongluochang Street, Xicheng District, Beijing, 100034, People's Republic of China. cui.pharm@pkufh.com.
Abstract
INTRODUCTION: Proprotein convertase subtilisin/kexin type 9 (PCSK9) monoclonal antibodies are powerful lipid-lowering drugs which have been shown to improve clinical endpoints in patients with hypercholesterolemia. However, it is not clear how effective PCSK9 monoclonal antibodies are for patients at high cardiovascular risk. Also, whether the effectiveness of PCSK9 monoclonal antibodies varies between different drug types, dosages, race, and indications for PCSK9 monoclonal antibodies remains unclear. Therefore, we used recently published studies to systematically evaluate the efficacy and safety of PCSK9 monoclonal antibodies by analyzing the lipid profiles, adverse events, and clinical endpoints in patients at high cardiovascular risk. METHODS: Randomized controlled trials (RCTs) comparing PCSK9 monoclonal antibodies with placebos or active drugs in patients at high cardiovascular risk were retrieved from electronic databases from their inception until November 2019. Efficacy and safety outcomes included low-density lipoprotein cholesterol (LDL-C) and other lipid profiles, treatment-emergent adverse events (TEAEs) and adverse events of interests, and clinical endpoints. Subgroup analyses based on drug types, dosing, and race were conducted. Statistical analysis was performed using STATA 15.1 and RevMan 5.0. RESULTS: Thirty-two RCTs were included in the systematic review, and 25 of them (57,090 individuals) were included in the meta-analysis. PCSK9 monoclonal antibodies significantly improved LDL-C and other lipid profiles (P < 0.05), and no racial differences were found. A recommended dose of 140 mg of evolocumab every 2 weeks was likely to produce a relatively stronger effect than 150 mg of alirocumab every 2 weeks in terms of the absolute change (weighted mean differences (WMD) - 0.36; 95% confidence interval (CI) - 0.71 to - 0.01; P = 0.041) and percent change (WMD - 19.53; 95% CI - 32.02 to - 7.04; P = 0.002) in LDL-C levels. Overall, PCSK9 monoclonal antibodies were safe, except for the significantly increased risk of injection site reactions (relative risks (RR) 1.54; 95% CI 1.38-1.71; P < 0.001). Both alirocumab (RR 0.89; 95% CI 0.83-0.95; P < 0.001) and evolocumab (RR 0.86; 95% CI 0.80-0.92; P < 0.001) were associated with a lower risk of major cardiovascular events (MACEs), especially in secondary preventive patients (alirocumab group: RR 0.88; 95% CI 0.82-0.95; P < 0.001; evolocumab group: RR 0.86; 95% CI 0.80-0.92; P < 0.001). The reduction in MACEs was observed in White but not in Asian subjects. No significant reduction of all-cause mortality was found (RR 0.88; 95% CI 0.72-1.07; P = 0.182). CONCLUSION: Both alirocumab and evolocumab are well tolerated and can greatly improve lipid profiles for patients at high cardiovascular risk. Both PCSK9 monoclonal antibodies significantly reduce the risk of nonfatal MACEs in patients with previous cardiovascular events, but the effect on all-cause mortality remains uncertain.
INTRODUCTION: Proprotein convertase subtilisin/kexin type 9 (PCSK9) monoclonal antibodies are powerful lipid-lowering drugs which have been shown to improve clinical endpoints in patients with hypercholesterolemia. However, it is not clear how effective PCSK9 monoclonal antibodies are for patients at high cardiovascular risk. Also, whether the effectiveness of PCSK9 monoclonal antibodies varies between different drug types, dosages, race, and indications for PCSK9 monoclonal antibodies remains unclear. Therefore, we used recently published studies to systematically evaluate the efficacy and safety of PCSK9 monoclonal antibodies by analyzing the lipid profiles, adverse events, and clinical endpoints in patients at high cardiovascular risk. METHODS: Randomized controlled trials (RCTs) comparing PCSK9 monoclonal antibodies with placebos or active drugs in patients at high cardiovascular risk were retrieved from electronic databases from their inception until November 2019. Efficacy and safety outcomes included low-density lipoprotein cholesterol (LDL-C) and other lipid profiles, treatment-emergent adverse events (TEAEs) and adverse events of interests, and clinical endpoints. Subgroup analyses based on drug types, dosing, and race were conducted. Statistical analysis was performed using STATA 15.1 and RevMan 5.0. RESULTS: Thirty-two RCTs were included in the systematic review, and 25 of them (57,090 individuals) were included in the meta-analysis. PCSK9 monoclonal antibodies significantly improved LDL-C and other lipid profiles (P < 0.05), and no racial differences were found. A recommended dose of 140 mg of evolocumab every 2 weeks was likely to produce a relatively stronger effect than 150 mg of alirocumab every 2 weeks in terms of the absolute change (weighted mean differences (WMD) - 0.36; 95% confidence interval (CI) - 0.71 to - 0.01; P = 0.041) and percent change (WMD - 19.53; 95% CI - 32.02 to - 7.04; P = 0.002) in LDL-C levels. Overall, PCSK9 monoclonal antibodies were safe, except for the significantly increased risk of injection site reactions (relative risks (RR) 1.54; 95% CI 1.38-1.71; P < 0.001). Both alirocumab (RR 0.89; 95% CI 0.83-0.95; P < 0.001) and evolocumab (RR 0.86; 95% CI 0.80-0.92; P < 0.001) were associated with a lower risk of major cardiovascular events (MACEs), especially in secondary preventive patients (alirocumab group: RR 0.88; 95% CI 0.82-0.95; P < 0.001; evolocumab group: RR 0.86; 95% CI 0.80-0.92; P < 0.001). The reduction in MACEs was observed in White but not in Asian subjects. No significant reduction of all-cause mortality was found (RR 0.88; 95% CI 0.72-1.07; P = 0.182). CONCLUSION: Both alirocumab and evolocumab are well tolerated and can greatly improve lipid profiles for patients at high cardiovascular risk. Both PCSK9 monoclonal antibodies significantly reduce the risk of nonfatal MACEs in patients with previous cardiovascular events, but the effect on all-cause mortality remains uncertain.
Authors: Manuela Casula; Elena Olmastroni; Mezio T Boccalari; Elena Tragni; Angela Pirillo; Alberico L Catapano Journal: Pharmacol Res Date: 2019-03-26 Impact factor: 7.658
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Authors: Abel A Pavía-López; Marco A Alcocer-Gamba; Edith D Ruiz-Gastelum; José L Mayorga-Butrón; Roopa Mehta; Filiberto A Díaz-Aragón; Jorge A Aldrete-Velasco; Nitzia López-Juárez; Ivette Cruz-Bautista; Adolfo Chávez-Mendoza; Nikos C Secchi-Nicolás; Francisco J Guerrero-Martínez; Jorge E Cossio-Aranda; Victoria Mendoza-Zubieta; Guillermo Fanghänel-Salmon; Martha Valdivia-Proa; Luis Olmos-Domínguez; Carlos A Aguilar-Salinas; Luis Dávila-Maldonado; Armando Vázquez-Rangel; Vanina Pavia-Aubry; María de Los A Nava-Hernández; Carlos A Hinojosa-Becerril; Juan C Anda-Garay; Manuel O de Los Ríos-Ibarra; Ana C Berni-Betancourt; Julio López-Cuellar; Diego Araiza-Garaygordobil; Romina Rivera-Reyes; Gabriela Borrayo-Sánchez; Mónica Tapia-Hernández; Claudia V Cano-Nigenda; Arturo Guerra-López; Josué Elías-López; Marco A Figueroa-Morales; Bertha B Montaño-Velázquez; Liliana Velasco-Hidalgo; Ana L Rodríguez-Lozano; Claudia Pimentel-Hernández; María M Baquero-Hoyos; Felipe Romero-Moreno; Mario Rodríguez-Vega Journal: Arch Cardiol Mex Date: 2022