在现实世界生物资源中规模化的药物遗传学:英国生物银行中的CYP2C19和克洛皮多格雷尔结果
Khaled F Bedair1,2, Blair Smith1, Colin N A Palmer1
1Population Health & Genomics, School of Medicine, University of Dundee, Dundee, UK.
Pharmacogenetics and genomics
|January 5, 2024
概括
CYP2C19基因型显著影响克洛皮多格雷尔治疗结果,影响主要心血管不良事件和出血风险. 基因型指导的处方对于优化患者护理和最大限度地减少不良事件至关重要.
科学领域:
- 药物遗传学 药物遗传学
- 心血管医学 心血管医学
- 现实世界的证据 现实世界的证据
背景情况:
- CYP2C19基因型是影响克洛皮多格雷尔疗效和安全性的既定因素.
- 有限的大规模现实世界的数据存在于这种药物遗传相互作用.
- 临床CYP2C19基因型鉴定很少进行.
研究的目的:
- 通过英国生物银行,对CYP2C19基因型对克洛皮多格雷尔结果的影响进行最大的观察分析.
- 量化CYP2C19变体 (*2和*17) 对主要不良心血管事件 (MACE) 和出血的实际影响.
- 调查皮多格雷尔暴露水平对这些基因型特异性影响的影响.
主要方法:
- 利用了英国生物库数据集,其中包括10365名用克洛皮多格雷尔治疗的患者.
- 采用半参数虚弱模型来分析时间变化的药物暴露和临床结果.
- 评估了与CYP2C19 * 2和 * 17变体相关的MACE和出血的发病风险.
主要成果:
- 在CYP2C19*2功能丧失等位基因携带者中,MACE风险增加 (9.4%) 和出血风险降低 (15%).
- 该CYP2C19*17功能增益变体与5.3%较低的MACE发病率相关.
- 基因型影响仅在高克洛皮多格勒暴露水平时才明显,这证实了药物基因相互作用.
结论:
- CYP2C19基因型显著影响了克洛皮多格雷尔使用者的临床结果.
- 建议根据基因型指导的克洛皮多格雷尔处方,无论治疗持续时间或适用时段如何.
- 该研究的方法可以促进进一步的药物基因和药物相互作用研究.
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