GUT: 与维多珠单抗单药治疗相比,维多珠单抗和硫嘌呤类药物联合治疗克罗恩病失效的风险更低

2022-04-10 xuyihan MedSci原创

维多珠单抗(Vedolizumab)是特异性靶向α4 β7整合素的人源化单克隆抗体,可用于治疗的中度至重度成人活动CD和UC。

维多珠单抗是是继肿瘤坏死因子拮抗剂(anti-TNF)时代之后的第一个被批准用于治疗炎症性肠病的生物制剂。虽然英夫利西单抗和硫嘌呤的联合治疗比单用这两种药物中的任何一种更有效,但是硫嘌呤类药物与维多珠单抗的联合治疗的效果是否也依然更有效仍有争议。最近的一项包括131名IBD患者的研究认为维多珠单抗和硫嘌呤或甲氨蝶呤联合治疗在临床反应上没有差异。本项研究旨在比较了联合治疗与维多珠单抗单药治疗 CD 和 UC 的有效性是否有差异。

 

研究人员根据美国和法国的两个全国性医疗保健数据库,筛选出了确定使用维多珠单抗的 CD 和 UC 患者。然后基于患者的疾病活动程度、治疗转换情况或长期使用皮质类固醇相关的住院或手术治疗失败的风险比再 1:1 倾向评分 (PS) 匹配相关的对照组患者,最后进行统计学分析。

 

研究结果显示在总共有 10299 名维多珠单抗使用者,在第 26 周,美国队列中有236 名 (29.3%) CD患者和在法国队列中有 376 名 (34.3%)  CD 患者出现治疗失败,在第 16 周,分别有 236 名 (21.7%) 和 263 名 (24.2%) 的 UC 患者开始联合治疗和维多珠单抗单药治疗。与维多珠单抗单药治疗相比,联合治疗在 CD 中的治疗失败风险降低(RR 0.85,95% CI:0.74 至 0.98),在 UC 中的治疗失败风险降低(RR 0.90,95% CI:0.77 至 1.05)。

 

本项研究通过两个大样本的队列研究发现与维多珠单抗单药治疗相比,维多珠单抗和硫嘌呤类药物联合治疗在 CD 中的治疗失败率较低,但在 UC 中没有这样的相关性。

原始出处:

Julien Kirchgesner.et al. Decreased risk of treatment failure with vedolizumab and thiopurines combined compared with vedolizumab monotherapy in Crohn’s disease. GUT.2022.

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