Effect of C-Reactive Protein on Lipoprotein(a)-Associated Cardiovascular Risk in Optimally Treated Patients With High-Risk Vascular Disease A Prespecified Secondary Analysis of the ACCELERATE Trial

被引:86
|
作者
Puri, Rishi [1 ,2 ]
Nissen, Steven E. [1 ,2 ]
Arsenault, Benoit J. [3 ]
St John, Julie [2 ]
Riesmeyer, Jeffrey S. [4 ]
Ruotolo, Giacomo [4 ]
McErlean, Ellen [2 ]
Menon, Venu [1 ,2 ]
Cho, Leslie [1 ]
Wolski, Kathy [2 ]
Lincoff, A. Michael [1 ,2 ]
Nicholls, Stephen J. [5 ]
机构
[1] Cleveland Clin, Dept Cardiovasc Med, 9500 Euclid Ave,Mail Code J2-3, Cleveland, OH 44195 USA
[2] Cleveland Clin, Cleveland Clin Coordinating Ctr Clin Res, Cleveland, OH 44195 USA
[3] Univ Laval, Quebec Heart & Lung Inst, Quebec City, PQ, Canada
[4] Eli Lilly, Indianapolis, IN USA
[5] Monash Univ, Dept Cardiol, MonashHeart, Clayton, Vic, Australia
关键词
INTERLEUKIN-1-BETA; EVENTS; STROKE;
D O I
10.1001/jamacardio.2020.2413
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
IMPORTANCE Although lipoprotein(a) (Lp[a]) is a causal genetic risk factor for atherosclerotic cardiovascular disease, it remains unclear which patients with established atherosclerotic cardiovascular disease stand to benefit the most from Lp(a) lowering. Whether inflammation can modulate Lp(a)-associated cardiovascular (CV) risk during secondary prevention is unknown. OBJECTIVE To examine whether Lp(a)-associated CV risk is modulated by systemic inflammation in optimally treated patients at high risk of CV disease. DESIGN, SETTING, AND PARTICIPANTS A prespecified secondary post hoc analysis of the double-blind, multicenter randomized clinical Assessment of Clinical Effects of Cholesteryl Ester Transfer Protein Inhibition With Evacetrapib in Patients at a High Risk for Vascular Outcomes (ACCELERATE) trial was conducted between October 1, 2012, and December 31, 2013; the study was terminated October 12, 2015. The study was conducted at 543 academic and community hospitals in 36 countries among 12 092 patients at high risk of CV disease (acute coronary syndrome, stroke, peripheral arterial disease, or type 2 diabetes with coronary artery disease) with measurable Lp(a) and high-sensitivity C-reactive protein (hsCRP) levels during treatment. Statistical analysis for this post hoc analysis was performed from September 26, 2018, to March 28, 2020. INTERVENTIONS Participants received evacetrapib, 130mg/d, or matching placebo. MAIN OUTCOMES AND MEASURES The ACCELERATE trial found no significant benefit or harm of evacetrapib on 30-month major adverse cardiovascular events (CV death, myocardial infarction [MI], stroke, coronary revascularization, or hospitalization for unstable angina). This secondary analysis evaluated rates of CV death, MI, and stroke across levels of Lp(a). RESULTS High-sensitivity C-reactive protein and Lp(a) levels were measured in 10 503 patients (8135 men; 8561 white; 10 134 received concurrent statins; mean [SD] age, 64.6 [9.4] years). In fully adjusted analyses, in patients with hsCRP of 2mg/L or more but not less than 2mg/L, increasing quintiles of Lp(a) were significantly associated with greater rates of death, MI, and stroke (P = .006 for interaction). Each unit increase in log Lp(a) levels was associated with a 13% increased risk of CV death, nonfatal MI, or stroke only in those with hsCRP levels of 2mg/L or more (P = .008 for interaction). There was also a significant stepwise relationship between increasing Lp(a) quintiles and time to first CV death, MI, or stroke (log-rank P < .001) when hsCRP levels were 2mg/L or more but not less than 2mg/L. Sensitivity analyses in the ACCELERATE placebo-treated group yielded similar significant associations exclusively in the group with hsCRP of 2mg/L or more. CONCLUSIONS AND RELEVANCE Elevated Lp(a) levels during treatment are related to CV death, MI, and stroke when hsCRP levels are 2mg/L or more but not less than 2mg/L. This finding suggests a potential benefit of lowering Lp(a) in patients with residual systemic inflammation despite receipt of optimal medical therapy.
引用
收藏
页码:1136 / 1143
页数:8
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