Abstract
慢性丙型肝炎标准治疗方案为聚乙二醇干扰素α (pegylated interferon,Peg-IFN)联合利巴韦林(ribavirin,RBV),其中RBV虽然能够显著提高α干扰素的疗效,但该药可引起溶血性贫血[1].临床已经发现患者的年龄、性别、基线血小板水平、基线血红蛋白(hemoglobin,Hb)水平、RBV剂量、血浆中RBV浓度及结合珠蛋白表型与RBV引起的贫血有关,但长期以来一直难以解释为何RBV引起的贫血程度存在显著的个体差异[2-4].近年来研究结果显示,宿主遗传学因素是RBV相关贫血发生的重要原因之一.其中有关肌苷三磷酸酶(inosine triphosphatase,ITPA)基因多态性与RBV所致溶血性贫血的研究备受关注.现介绍慢性丙型肝炎患者ITPA基因多态性与RBV相关性贫血关系的主要进展. 关键词：肝炎,丙型,慢性;利巴韦林;贫血
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