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华法林抗凝治疗剂量的药物基因组学研究——理论和应用前景 被引量:5

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摘要 华法林作为最常用的口服抗凝药物,广泛应用于慢性心房颤动、静脉血栓、肺栓塞,及心脏瓣膜置换术后等的抗凝治疗中。然而,由于华法林有效治疗剂量的范围狭窄和在个体间差异显著,加之剂量过高会导致严重出血的危险,华法林在临床上的应用受到了极大地限制。如何安全有效地应用华法林,使之达到最佳治疗效果,一直是心血管领域研究的热点和亟待解决的难题。近年来,对华法林的药物基因组学研究发现,决定华法林代谢和作用的两个主要候选基因CYP2C9和VKORC1的遗传变异型,很大程度上决定了华法林有效抗凝治疗剂量的个体间差异。本文总结了CYP2C9和VKORC1的基因变异型对华法林剂量的影响,还对近年来通过结合基因和临床因素建立的华法林剂量计算模型对预测有效华法林剂量和副作用的意义进行了综述。
出处 《中华老年多器官疾病杂志》 2010年第5期473-476,共4页 Chinese Journal of Multiple Organ Diseases in the Elderly
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