对PCSK9抑制剂的不充分反应
Tia Bimal1, Tanesh Ayyalu1, Maya S Safarova2
1Northwell, Cardiovascular Institute, Lenox Hill Hospital, New York, New York, USA.
JACC. Case reports
|April 18, 2025
概括
对蛋白转化酶亚素/素9型抑制剂 (PCSK9i) 的低最佳反应很少见,但发生在患有高胆固醇血症的患者身上. 现实世界的数据表明,PCSK9i反应不足的比例高于临床试验.
科学领域:
- 心脏病学 心脏病学
- 药理学 药理学是指药理学的学科.
- 遗传学 是一个遗传学.
背景情况:
- 对蛋白转化酶亚素/素9型抑制剂 (PCSK9i) 的低最佳反应不常见,特别是对单克隆抗体和小干扰RNA疗法.
- 一名患有高胆固醇血症,亚临床动脉样硬化和脂蛋白升高的患者 (a) 经历了口服降脂剂的限制性副作用.
研究的目的:
- 报告患有高胆固醇血症的患者对多种PCSK9抑制剂疗法的不充分反应的罕见病例.
- 突出现实数据与随机临床试验之间关于PCSK9i反应率的差异.
主要方法:
- 一个68岁的患有高胆固醇血症和不耐受口服降脂剂的68岁妇女的案例研究.
- 在接受阿利罗库马布,英克利西兰和埃沃洛库马布治疗后,进行LDL-C水平的管理和监测.
主要成果:
- 患者表现出有限的LDL-C降低 (<25%),尽管多次PCSK9抑制剂治疗.
- 阿利罗库马布,英克利西兰和埃沃洛库马布在这个人身上导致了低于最佳的LDL-C降低.
- 基线LDL-C为205mg/dL,冠状动脉为204Agatston单位,脂蛋白为217nmol/L.
结论:
- 现实世界的数据表明,与随机临床试验 (1%) 相比,PCSK9i反应低于最佳的发病率更高 (7.5%).
- 需要进一步的研究来阐明不充分的PCSK9i反应背后的机制.
- 个性化组合疗法对于实现降脂目标和管理非响应者的残留风险至关重要.
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