Journal of the American College of Cardiology · 2025
Obesity-Associated Cardiovascular Risk and Benefit From PCSK9 Inhibition: A Prespecified Analysis From FOURIER.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Kang Yu Mi, Giugliano Robert P, Keech Anthony C, López J Antonio G, Monsalvo Maria Laura, Ohman E Magnus, Ran Xinhui, Murphy Sabina A, Sabatine Marc S, O'Donoghue Michelle L
Аннотация
BACKGROUND: The PCSK9 inhibitor evolocumab decreases the risk of major adverse cardiovascular events (MACE). The relationship between body mass index (BMI) and benefit of evolocumab remains unknown.
OBJECTIVES: This study sought to investigate the association between BMI, risk of MACE, and the clinical benefit of evolocumab.
METHODS: The FOURIER (Further Cardiovascular Outcomes Research with PCSK9 Inhibition in Subjects with Elevated Risk) trial randomized 27,564 stable atherosclerotic cardiovascular disease patients to evolocumab or placebo (median follow-up 2.2 years). The primary endpoint was cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization. The association between BMI and cardiovascular risk was examined in the placebo arm adjusting for clinical predictors. Effect modification by treatment arm was assessed using an interaction term in the Cox model. Kaplan-Meier rates are at 3 years.
RESULTS: A total of 10,942 (40%) participants had a BMI ≥30 kg/m2; 3,446 (13%) had a BMI ≥35 kg/m2. In the placebo arm, for every 5-unit-higher BMI above 30 kg/m2, there was an 11% higher risk of the primary endpoint (adjusted HR: 1.11; 95% CI: 1.02-1.21). The relative risk reduction for the primary endpoint with evolocumab was progressively greater in those with BMI ≥30 kg/m2 modeled on a continuous basis (P for interaction = 0.025). Evolocumab reduced the risk of the primary endpoint by 11% in those with a BMI <30 kg/m2 (HR: 0.89; 95% CI: 0.81-0.98), by 14% in those with BMI of 30 to <35 kg/m2 (HR: 0.86; 95% CI: 0.75-0.98), and by 29% in those with BMI ≥35 kg/m2 (HR: 0.71; 95% CI: 0.59-0.86). The corresponding absolute risk reductions were 1.4%, 1.8%, and 5.7%, respectively.
CONCLUSIONS: Individuals with obesity and atherosclerotic cardiovascular disease face an elevated risk of MACE compared with those without obesity, and evolocumab helps to attenuate this risk.
OBJECTIVES: This study sought to investigate the association between BMI, risk of MACE, and the clinical benefit of evolocumab.
METHODS: The FOURIER (Further Cardiovascular Outcomes Research with PCSK9 Inhibition in Subjects with Elevated Risk) trial randomized 27,564 stable atherosclerotic cardiovascular disease patients to evolocumab or placebo (median follow-up 2.2 years). The primary endpoint was cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization. The association between BMI and cardiovascular risk was examined in the placebo arm adjusting for clinical predictors. Effect modification by treatment arm was assessed using an interaction term in the Cox model. Kaplan-Meier rates are at 3 years.
RESULTS: A total of 10,942 (40%) participants had a BMI ≥30 kg/m2; 3,446 (13%) had a BMI ≥35 kg/m2. In the placebo arm, for every 5-unit-higher BMI above 30 kg/m2, there was an 11% higher risk of the primary endpoint (adjusted HR: 1.11; 95% CI: 1.02-1.21). The relative risk reduction for the primary endpoint with evolocumab was progressively greater in those with BMI ≥30 kg/m2 modeled on a continuous basis (P for interaction = 0.025). Evolocumab reduced the risk of the primary endpoint by 11% in those with a BMI <30 kg/m2 (HR: 0.89; 95% CI: 0.81-0.98), by 14% in those with BMI of 30 to <35 kg/m2 (HR: 0.86; 95% CI: 0.75-0.98), and by 29% in those with BMI ≥35 kg/m2 (HR: 0.71; 95% CI: 0.59-0.86). The corresponding absolute risk reductions were 1.4%, 1.8%, and 5.7%, respectively.
CONCLUSIONS: Individuals with obesity and atherosclerotic cardiovascular disease face an elevated risk of MACE compared with those without obesity, and evolocumab helps to attenuate this risk.