抑制PCSK9 (蛋白转化酶亚素/ 素类型9) 对静脉血栓栓塞的风险的影响
在PubMed上查看摘要
概括
此摘要是机器生成的。抑制PCSK9可显著降低静脉血栓塞栓症 (VTE) 的风险,特别是在一年以后. 基因风险评分确定了从这种治疗中获益最多的患者.
科学领域
- 心血管医学
- 药理学
- 遗传学
背景情况
- 胆固醇水平与静脉血栓塞栓症 (VTE) 风险之间的关联尚不清楚.
- 抑制9型蛋白转化酶 (PCSK9) 是一种用于控制心血管风险的新疗法.
研究的目的
- 确定PCSK9抑制对静脉瘤风险的影响.
- 探索潜在的机制,包括脂蛋白的作用[Lp (a) ],从而降低静脉瘤风险.
- 通过临床和遗传风险因素定义的特定患者亚组中检查PCSK9抑制的有效性.
主要方法
- 对FOURIER试验的后期分析评估了evolocumab对静脉瘤事件的影响.
- 结合FOURIER和ODYSSEY OUTCOMES试验数据的元分析,以评估PCSK9抑制对静脉瘤的类效应.
- 基线脂质和Lp (a) 水平的分析,以及使用VTE多基因风险评分的探索性遗传分析.
主要成果
- 在FOURIER试验中,Evolocumab显示了降低静脉突发症风险的趋势 (HR,0. 71;P=0. 05),在一年后观察到显著的降低 (HR,0. 54;P=0. 014).
- 一项元分析证实,PCSK9抑制显著降低了VTE的相对风险31% (HR,0. 69;P=0. 007).
- 与基线脂蛋白 (a) [Lp (a) ]水平显著相关,并确定患有高遗传风险的患者.
结论
- 抑制PCSK9有效降低了静脉血栓栓塞 (VTE) 的风险.
- 降低Lp (a) 可能是PCSK9抑制所观察到的静脉瘤风险降低的关键机制.
- 基因风险分层可以确定PCSK9抑制对VTE预防有更大的益处的个体.
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