Lancet:单克隆抗体risankizumab用于克罗恩病

2017-04-13 MedSci MedSci原创

risankizumab较安慰剂对克罗恩病的临床缓解更为有效,选择性的抑制P19亚基可能是一种阻断IL-23治疗克罗恩病的有效途径

白细胞介素途径与克罗恩病的发病机制有关。研究人员对IL-23 P19亚基、人源单克隆抗体risankizumab的疗效和安全性进行了评估。

在一项随机、双盲、安慰剂对照的II期试验中,招募的患者为年龄18至75岁的、确诊至少3个月的、克罗恩病指数220-450或克罗恩病内镜严重指数至少7级的中重度克罗恩病患者,随机在第0,4,8周接受静脉注射200 mg 、600 mg的 risankizumab或安慰剂。

研究共招募121名患者,其中113人(93%)接受过至少一种TNF抑制剂治疗(96人失败,失败率为79%)。在治疗的第12周,25名接受risankizumab患者(31%)有临床缓解,而安慰剂组为6人(15%)(差异率 15%;95% CI 0.1-30.1)。在41名接受200mg risankizumab以及41名接受600mg risankizumab患者中,分别有10人(24%)和15人(37%)达到临床缓解。共95名(79%)患者出现不良事件(安慰剂组32人;200 mg risankizumab组32人;600 mg risankizumab组31;同下),18人出现中度不良事件(9,6,3),12人终止试验(6,5,1),24人出现严重不良事件(12,9,9)。最常见的不良事件为恶心,最常见的严重不良事件为基础克罗恩病恶化,试验中无患者死亡。

在这项短期的研究中,risankizumab较安慰剂对克罗恩病的临床缓解更为有效,选择性的抑制P19亚基可能是一种阻断IL-23治疗克罗恩病的有效途径。

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    2018-02-08 howi
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