GUT: 单一硫唑嘌呤可有效治疗溃疡性结肠炎,但对克罗恩病无效

2020-10-03 MedSci原创 MedSci原创

硫嘌呤类似物硫唑嘌呤(AZA)和6-巯基嘌呤(6MP)在炎症性肠病(IBD)的治疗中一直占有一席之地。

        硫嘌呤类似物硫唑嘌呤(AZA)和6-巯基嘌呤(6MP)在炎症性肠病(IBD)的治疗中一直占有一席之地。在溃疡性结肠炎(UC)和克罗恩病(CD)中,它们均用于维持类固醇依赖性或类固醇难治性的疾病的缓解。然而,近年来,人们越来越重视硫唑嘌呤的毒性,并且随着越来越多的生物疗法的出现,一些权威人士开始质疑硫唑嘌呤的作用。本项研究评估了硫唑嘌呤在溃疡性结肠炎(UC)和克罗恩病(CD)中的长期疗效,包括其对手术需求的影响。

 

         研究人员在英国IBD生物资源研究库,对11928例患者(4968 UC,6960 CD)的进行了评估,所有患者均采用硫嘌呤单药治疗,旨在维持疾病的缓解。主要观察指标为避免使用硫嘌呤时升级为生物治疗或手术的情况,然后对硫唑嘌呤的疗效进行回顾性 评估。分析包括总体有效性,事件升级的事件发生时间分析以及对耐受性或不耐受硫嘌呤患者的手术率的比较。

 

        结果显示:硫唑嘌呤单一疗法在52.7%(2617/4968)的UC患者的治疗期间似乎有效,而在34.2%(2378/6960)的CD患者疗效不佳(p <0.0001)。这种差异在多变量分析中得到了证实:在调整了包括治疗时间的变量之后,硫唑嘌呤单药治疗CD的疗效不如UC(OR 0.47,95%CI 0.43至0.51,p <0.0001)。硫嘌呤不耐受与UC手术风险增加相关(HR 2.44,p <0.0001);对CD手术的需求影响较小(HR = 1.23,p = 0.0015)。

 

        因此研究人员最后说道硫嘌呤单一疗法可有效治疗UC,但对CD无效。

 

 

原始出处:

Evangelos Stournaras. Et al. Thiopurine monotherapy is effective in ulcerative colitis but significantly less so in Crohn’s disease: long-term outcomes for 11 928 patients in the UK inflammatory bowel disease bioresource. GUT.2020.

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    2021-05-08 nymo
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    2020-10-03 lovetcm

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