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Ann Intern Med:安倍生坦不能有效治疗IPF

2013-06-27 青楚 医学论坛网

特发性肺纤维化(IPF)的特征为成纤维细胞灶的形成和增生。内皮缩血管肽1通过内皮素A(ETA)受体来诱导肺成纤维细胞的增殖和收缩活动。美国学者的一项研究旨在确定ETA受体选择性拮抗剂安倍生坦是否可以降低IPF进展。结果显示,安倍生坦不能有效治疗IPF,而且可使疾病发生进展和呼吸道疾病住院的风险增加。  该随机、双盲、安慰剂对照、事件驱动试验纳入学术和私人医院年龄在40岁至80岁

特发性肺纤维化(IPF)的特征为成纤维细胞灶的形成和增生。内皮缩血管肽1通过内皮素A(ETA)受体来诱导肺成纤维细胞的增殖和收缩活动。美国学者的一项研究旨在确定ETA受体选择性拮抗剂安倍生坦是否可以降低IPF进展。结果显示,安倍生坦不能有效治疗IPF,而且可使疾病发生进展和呼吸道疾病住院的风险增加。 

该随机、双盲、安慰剂对照、事件驱动试验纳入学术和私人医院年龄在40岁至80岁的IPF患者492例,随机分配使用安倍生坦或安慰剂(10 mg/d)后用高分辨率的计算机断层扫描显示较小区域或无蜂窝状改变。观察疾病进展时间、死亡、呼吸住院治疗或肺功能下降。

结果显示,因为研究中期分析显示即使该研究如期结束其有效性很低,平均研究药物暴露时间为34.7周后终止。安倍生坦治疗的患者更可能达到疾病进展的预先设定标准(90[27.4%] vs 28[17.2%],P= 0.010;风险比为1.74[95%CI,1.14〜2.66])。安倍生坦治疗患者中有55名(16.7%)、安慰剂组有19名(11.7%)患者肺功能下降(P= 0.109)。安倍生坦组和安慰剂组因呼吸系统疾病住院的患者分别为44名(13.4%)和9名(5.5%)(P = 0.007)。26名接受安倍生坦和6名(3.7%)接受安慰剂的患者死亡(7.9%)(P= 0.100)。32名(10%)安倍生坦治疗患者和16名(10%)安慰剂治疗患者在基线时有肺动脉高压,根据肺动脉高压的分层分析显示主要终点的结果指标类似。

  

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    2013-06-29 匿名用户

    患者严重程度很关键,不能过于严重

    0

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