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AASLD2017:荟萃分析:慢乙肝治疗24周时的HBsAg下降幅度可预测血清学清除

2017-10-23 佚名 国际肝病

慢性乙型肝炎(CHB)患者获得HBsAg血清学清除,与临床转归改善有关,患者可以安全停用治疗药物。在本届AASLD年会“Parallel 3: Hepatitis B: Approved Treatments”专题中交流的一项荟萃分析表明:HBeAg阳性或阴性CHB患者应用核苷(酸)类似物(NA)或聚乙二醇干扰素(PegIFN)治疗24周时的平均HBsAg下降幅度可以预测HBsAg清除。

慢性乙型肝炎(CHB)患者获得HBsAg血清学清除,与临床转归改善有关,患者可以安全停用治疗药物。在本届AASLD年会“Parallel 3: Hepatitis B: Approved Treatments”专题中交流的一项荟萃分析表明:HBeAg阳性或阴性CHB患者应用核苷(酸)类似物(NA)或聚乙二醇干扰素(PegIFN)治疗24周时的平均HBsAg下降幅度可以预测HBsAg清除。

研究者们检索PubMed、ClinicalTrials.gov和会议记录,查找CHB患者应用NA(替诺福韦、恩替卡韦)或PegIFN治疗的研究,应用随机效应模型进行荟萃分析,研究不同时间点的HBsAg下降和HBsAg血清学清除。对患者的治疗类型、HBeAg状态和基因型等潜在的异质性来源进行校正后,进行基于模型的荟萃分析,根据治疗期间的平均HBsAg下降幅度,预测治疗期间或治疗结束后的HBsAg血清学清除率。

结果,总共纳入具有HBsAg数据的90多项研究(随机对照、前瞻性队列和回顾性分析),分析结果见表。HBeAg阴性患者应用NA治疗的HBsAg下降幅度很小,HBsAg血清学清除率很低。与HBeAg阴性患者相比,HBeAg阳性患者应用NA治疗的HBsAg下降幅度和HBsAg血清学清除率有所提高,但治疗对HBsAg的作用仍然有限。并且不同研究之间存在显着的异质性。

总体上,随着NA治疗时间的延长,患者的累积HBsAg血清学清除率增加,但是仍然保持较低水平。应用PegIFN治疗的HBeAg阴性和阳性患者相比,HBsAg动力学无显着差异。无论治疗方案和HBeAg状态,治疗24周时的平均HBsAg下降幅度可以预测HBsAg清除。

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    2018-04-19 zhaojie88
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    2018-07-29 海豹
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    2017-10-25 lq1771

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