Peginterferon Alfa-2a plus ribavirin in Japanese patients infected with hepatitis C virus genotype 2 who failed previous interferon therapy.

Peginterferon Alfa-2a plus ribavirin in Japanese patients infected with hepatitis C virus genotype 2 who failed previous interferon therapy.
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日本患者感染了丙型肝炎病毒基因型2的日本患者的Peginterferon Alfa-2a加上利巴韦林,未能通过先前的干扰素治疗。

DOI:
10.7150/ijms.5358
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发表时间:
2013
影响因子:
3.6
通讯作者:
Yokosuka O
Yokosuka O
中科院分区:
医学4区
文献类型:
--
作者:
Kanda T;Nakamoto S;Nishino T;Takada N;Tsubota A;Kato K;Miyamura T;Maruoka D;Wu S;Tanaka T;Arai M;Mikami S;Fujiwara K;Imazeki F;Yokosuka O

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一些感染基因2型丙型肝炎病毒(HCV)的患者可以通过使用聚乙二醇干扰素加利巴韦林治疗不到24周而治愈,但仍然存在治疗难治性患者。与基因1型患者不同,在临床实践中,直接作用抗病毒药物(DAAs)目前无法用于HCV基因2型患者。我们调查了 29 名 HCV 基因 2 感染的日本患者,他们之前接受过治疗但未能清除 HCV。我们用聚乙二醇干扰素 α-2a 加利巴韦林进行再治疗,并测量 HCV RNA 水平,以评估这种治疗对先前治疗失败的患者的疗效和安全性。我们发现,用聚乙二醇干扰素α-2a加利巴韦林对HCV基因2型感染的日本患者进行24-48周的再治疗,使既往接受(聚乙二醇)干扰素单药治疗的患者获得60%至66.6%的持续病毒学应答(SVR),而使先前接受聚乙二醇干扰素加利巴韦林治疗的复发患者获得69.9%的SVR。应注意某些具有独特特征的患者。根据既往治疗选择患者可以为经历过 HCV 基因 2 型治疗的患者提供最佳治疗。
Some patients infected with hepatitis C virus (HCV) genotype 2 could be cured with treatment shorter than 24 weeks using peginterferon plus ribavirin, but there are still treatment-refractory patients. Direct-acting antivirals (DAAs) are not currently available for HCV genotype 2 patients, different from genotype 1 patients, in clinical practice. We investigated 29 HCV genotype 2-infected Japanese patients who had been previously treated and failed to clear HCV. We retreated them with peginterferon alfa-2a plus ribavirin and measured HCV RNA level to assess the efficacy and safety of this treatment in patients who had failed previous therapy. We found that retreatment of HCV genotype 2-infected Japanese patients with peginterferon alfa-2a plus ribavirin for 24-48 weeks led to 60 to 66.6% sustained virological response (SVR) in patients previously treated with (peg-)interferon monotherapy and to 69.9% SVR in relapsers previously treated with peginterferon plus ribavirin. Attention should be paid to certain patients with unique features. Selection of patients according to their previous treatment could lead to optimal therapy in HCV genotype 2 treatment-experienced patients.
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