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对P2Y12抑制剂反应的遗传决定因素和临床影响
Larisa H Cavallari1, James C Coons2
1Department of Pharmacotherapy and Translational Research, Center for Pharmacogenomics and Precision Medicine, University of Florida, 1333 Center Drive, PO Box 100486, Gainesville, FL 32610, USA.
在CYP2C19的遗传变异影响克洛皮多格雷尔的激活,减少约30%的人的有效性. 对于这些人来说,建议使用替代性抗血小板药物,如普拉苏格勒或提卡格勒.
科学领域:
- 药物基因组学 药物基因组学
- 心血管医学 心血管医学
- 药物新陈代谢 药物新陈代谢
背景情况:
- 克洛皮多格雷尔是一种前药,需要由CYP2C19酶激活.
- 在CYP2C19中的功能丧失 (LoF) 多态性减少了活性克洛皮多格雷尔代谢物的形成.
- 在急性冠状动脉综合征或穿皮冠状动脉干预后,在具有LoF等位基因的患者中观察到克洛皮多格勒的有效性降低.
研究的目的:
- 为了突出CYP2C19基因型对克洛皮多格雷尔疗效的影响.
- 讨论其他不受CYP2C19基因型影响的P2Y12抑制剂.
- 为了强调CYP2C19引导的抗血小板治疗选择的临床影响.
主要方法:
- 对CYP2C19遗传学和抗血小板药物反应现有文献的综述.
- 对不同CYP2C19基因型患者的临床结果数据的分析.
- 基于CYP2C19状态的克洛皮多格雷尔,普拉苏格雷尔和提卡格雷勒的疗效比较.
主要成果:
- 大约30%的人口携带CYP2C19LoF等位基因,导致克洛皮多格雷尔的有效性降低.
- 普拉苏格勒和提卡格勒在患有LoF等位基因的患者中提供了更好的结果,因为它们的新陈代谢是独立于CYP2C19的.
- 以CYP2C19为指导的P2Y12抑制剂选择显示了改善患者结局的潜力.
结论:
- CYP2C19基因型显著影响克洛皮多格雷尔的疗效,特别是在心血管疾病患者中.
- 替代P2Y12抑制剂 (普拉苏格勒,蒂卡格勒勒) 建议用于具有CYP2C19LoF等位基因的人.
- 广泛采用CYP2C19基因定型可以优化抗血小板治疗的选择,并改善临床结果,尽管目前临床实践的局限性.
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