American journal of cardiovascular drugs : drugs, devices, and other interventions · 2025
Efficacy of PCSK9 Inhibitors on Clinical Outcomes in Patients with Established Atherosclerotic Cardiovascular Disease: A Network Meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод в очереди
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Raone Luca, Gritti Valeria, Mandurino-Mirizzi Alessandro, Sparasci Francesco Maria, Scotti Valeria, Currao Alessia, Colonna Giuseppe, Ferlini Marco, De Luca Leonardo
Аннотация
AIMS: Residual cardiovascular risk remains substantial in patients with atherosclerotic cardiovascular disease (ASCVD) despite high-intensity statin therapy. Proprotein convertase subtilisin/kexin type 9 inhibitors (PCSK9i), including monoclonal antibodies and small-interfering RNA agents, offer additional risk reduction, yet comparative evidence across individual regimens remains limited.
METHODS AND RESULTS: We conducted a systematic review and network meta-analysis of randomized controlled trials evaluating approved PCSK9i dosages in patients with ASCVD. The primary outcome was major adverse cardiovascular events (MACE); the secondary outcomes included myocardial infarction, stroke, coronary revascularization, cardiovascular mortality, and all-cause death. A total of eight trials involving 49,847 patients were included. Evolocumab (140 mg every 2 weeks or 420 mg monthly) and alirocumab 150 mg every 2 weeks significantly reduced MACE compared with placebo (risk ratios (RR): 0.78, 95% confidence intervals (CI): 0.66-0.93 and RR: 0.47, 95% CI 0.25-0.86, respectively). Evolocumab was also associated with reductions in myocardial infarction, stroke, and revascularization. Alirocumab 150 mg demonstrated the most pronounced effect on revascularization and was superior to both evolocumab and the lower alirocumab dose in this outcome. No regimen significantly reduced cardiovascular or all-cause mortality.
CONCLUSIONS: These findings suggest that PCSK9 inhibitors are effective in ASCVD, with generally similar efficacy across agents; however, regimens achieving lower and sustained low-density lipoprotein cholesterol levels may confer greater benefit, in line with the concept that "the lower, the better."
TRIAL REGISTRATION: PROSPERO identifier no. CRD420251022108.
METHODS AND RESULTS: We conducted a systematic review and network meta-analysis of randomized controlled trials evaluating approved PCSK9i dosages in patients with ASCVD. The primary outcome was major adverse cardiovascular events (MACE); the secondary outcomes included myocardial infarction, stroke, coronary revascularization, cardiovascular mortality, and all-cause death. A total of eight trials involving 49,847 patients were included. Evolocumab (140 mg every 2 weeks or 420 mg monthly) and alirocumab 150 mg every 2 weeks significantly reduced MACE compared with placebo (risk ratios (RR): 0.78, 95% confidence intervals (CI): 0.66-0.93 and RR: 0.47, 95% CI 0.25-0.86, respectively). Evolocumab was also associated with reductions in myocardial infarction, stroke, and revascularization. Alirocumab 150 mg demonstrated the most pronounced effect on revascularization and was superior to both evolocumab and the lower alirocumab dose in this outcome. No regimen significantly reduced cardiovascular or all-cause mortality.
CONCLUSIONS: These findings suggest that PCSK9 inhibitors are effective in ASCVD, with generally similar efficacy across agents; however, regimens achieving lower and sustained low-density lipoprotein cholesterol levels may confer greater benefit, in line with the concept that "the lower, the better."
TRIAL REGISTRATION: PROSPERO identifier no. CRD420251022108.