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干扰素α治疗慢性丙型肝炎干扰素中和抗体的产生及其对抗病毒治疗疗效的影响

张文杰 李朝霞 田淑菊 毛维武 龚晏萱 屈延

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干扰素α治疗慢性丙型肝炎干扰素中和抗体的产生及其对抗病毒治疗疗效的影响

详细信息
  • 中图分类号: R512.63

Generation of neutralizing anti-interferon antibodies and its influence on the interferon-alpha (IFN-alpha) treatment for chronic hepatitis C

  • 摘要: 目的探讨干扰素中和抗体的产生与干扰素治疗慢性丙型肝炎临床疗效的关系。方法纳入92例初治慢性丙型肝炎患者,应用干扰素α-1b(IFNα-1b)、聚乙二醇化干扰素α-2a(PegIFNα-2a)开始(48-72)周的抗病毒治疗,用酶免疫法(EIA)检测治疗前及治疗不同时期血清中的干扰素总抗体,同时应用抗病毒中和生物鉴定法(ANB)检测干扰素中和抗体(NA)。结果92例患者中共有16例出现NA阳性,阳性率为17.39%,反弹组干扰素中和抗体的阳性率明显高于完全应答组(P<0.05),而难治性丙肝患者中和抗体阳性率亦明显高于完全应答组(P<0.05)。多元Logistic回归分析显示,治疗前HCVRNA水平为NA阳性的影响因素。结论临床应用干扰素治疗慢性丙型肝炎患者出现反弹与NA阳性率显著相关。干扰素中和抗体的产生可能是导致难治性丙肝产生的因素之一。

     

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