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Lower On-Treatment Low-Density Lipoprotein Cholesterol and Major Adverse Cardiovascular Events in Women and Men: Pooled Analysis of 10 ODYSSEY Phase 3 Alirocumab Trials.

Abstract：

:Background In statin trials, men and women derived similar relative risk reductions in cardiovascular events per 39 mg/ dL low-density lipoprotein cholesterol ( LDL -C) reduction. We explored whether lower LDL -C levels and greater LDL -C percentage reductions than those achieved with statins are associated with reduced major adverse cardiovascular event ( MACE ) rates in women as well as men. Methods and Results Data pooled from 10 phase 3 ODYSSEY randomized trials (n=4983) comparing alirocumab with control (placebo/ezetimibe) were assessed for association between 39 mg/dL lower on-treatment LDL -C and percentage LDL -C change from baseline, and MACE risk by sex, using multivariable Cox regression. Mean baseline LDL -C was 135 mg/dL (women) and 121 mg/dL (men). Average on-treatment LDL -C levels with alirocumab, ezetimibe, and placebo were 71, 114, and 134 mg/dL, respectively, in women (n=1882) and 52, 93, and 122 mg/dL, respectively, in men (n=3090). Overall, 36.5% and 58.7% of women and men, respectively, achieved on-treatment LDL -C <50 mg/dL. Each 39 mg/dL lower LDL -C was associated with a 33% and 22% lower risk of MACE in women ( P=0.0209) and men ( P=0.0307), respectively, with no significant between-sex difference ( P for heterogeneity=0.4597). Results were similar when analyzed per 50% LDL -C reduction, 24% ( P=0.1094) and 29% ( P=0.0125) lower MACE risk in women and men, respectively ( P for heterogeneity=0.7499). Alirocumab was generally well tolerated in both sexes. Conclusions The present analysis reinforces the notion that both sexes derive a similar cardiovascular benefit from LDL -C lowering. Although women had slightly higher on-treatment LDL -C than men, both sexes showed a similar lower MACE risk with lower LDL -C.

journal_name

J Am Heart Assoc

journal_title

Journal of the American Heart Association

authors

Vallejo-Vaz AJ,Ginsberg HN,Davidson MH,Eckel RH,Cannon CP,Lee LV,Bessac L,Pordy R,Letierce A,Ray KK

doi

10.1161/JAHA.118.009221

subject

Has Abstract

pub_date

2018-09-18 00:00:00

pages

e009221

issue

issn

2047-9980

journal_volume

pub_type

杂志文章,多中心研究,随机对照试验

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Lower On-Treatment Low-Density Lipoprotein Cholesterol and Major Adverse Cardiovascular Events in Women and Men: Pooled Analysis of 10 ODYSSEY Phase 3 Alirocumab Trials.