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NEJM: nemolizumab对特应性皮炎的治疗效果

2017-03-06 zhangchengli MedSci原创

背景:IL-31可能参与特应性皮炎和瘙痒的病理生理过程。本研究的目的在于评估抗IL-31受体A的人源化抗体nemolizumab (CIM331)治疗特应性皮炎的疗效和安全性。

背景:IL-31可能参与特应性皮炎和瘙痒的病理生理过程。本研究的目的在于评估抗IL-31受体A的人源化抗体nemolizumab (CIM331)治疗特应性皮炎的疗效和安全性。

方法:在为期12周的随机双盲安慰剂对照二期临床试验中,患有中度到重度特应性皮炎、局部治疗不能充分控制的成人被分为3组,一组每四周皮下注射一次nemolizumab(剂量分别为:0.1 mg, 0.5 mg或者2.0 mg/kg体重),一组每四周给予一次安慰剂治疗,另一组每八周皮下注射一次nemolizumab(探索性剂量:2mg/kg)。试验的主要终点是12周时瘙痒视觉模拟量表评分相对于基线的改善百分比(负数变化表示改善)。次要终点包括湿疹面积及严重程度指数评分(EASI, 其中负数变化表示改善)和特应性皮炎的体表面积。

结果:264名受试者中有216人(82%)完成了试验。在12周时,每四周接受一次nemolizumab治疗的病人瘙痒视觉模拟量表评分变化分别为 -43.7%(0.1mg/kg组)、-59.8%(0.5mg/kg组)和 -63.1%(2.0mg/kg组),安慰剂组变化为-20.9%(各组差异显着,P<0.1)。 EASI在nemolizumab治疗各组的变化分别为 -23.0%、 -42.3% 和 -40.9%,安慰剂组变化为-26.6%。特应性皮炎的体表面积在nemolizumab治疗各组的变化分别为 -7.5%、 -20.0% 和 -19.4% ,安慰剂组变化为-15.7%。每四周接受一次nemolizumab治疗的病人中,0.1mg/kg组有17%(9/53)治疗中断,0.5mg/kg组有17%(9/54)治疗中断,2.0mg/kg组13%(7/52)治疗中断,安慰剂组有17%(9/53)治疗中断。

结论:在这个二期临床试验中,所有不同剂量nemolizumab均显着改善了中度至重度特应性皮炎患者的瘙痒,显示了靶向IL-31受体A的疗效。然而,受试人数量太少、试验周期太短均排除了关于不良事件的结论。

原始出处:

Thomas Ruzicka, Jon M. Hanifin, Masutaka Furue, et al. Anti-Interleukin-31 Receptor A Antibody for Atopic Dermatitis. N Engl J Med, 2017. DOI: 10.1056/NEJMoa1606490

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    2017-05-09 snf701207
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    2017-03-10 虈亣靌

    学习了谢谢分享

    0

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