IBD:克罗恩病患者的内镜活动和基线血清TNF-α水平与乌司奴单抗的临床反应相关

2020-10-25 MedSci原创 MedSci原创

克罗恩病(CD)是胃肠道的一种慢性炎症性疾病,其特征是复发和缓解反复交替。

        克罗恩病(CD)是胃肠道的一种慢性炎症性疾病,其特征是复发和缓解反复交替。它的发病率和患病率正在逐年增加,其主要治疗目标是实现临床和内镜缓解和避免并发症的发生,如瘘和狭窄的出现。在过去的几年中,CD的治疗选择方案有所扩展,常规药物,例如皮质类固醇,硫唑嘌呤,尤其是肿瘤坏死因子α(TNF-α)拮抗剂的出现,已大大改变了中度至重度活性CD的治疗方案。肿瘤坏死因子α拮抗剂可以诱导并维持临床缓解,但是大约一半的患者在经过一段时间的治疗后会丧失对TNF-α拮抗剂的反应。而乌司奴单抗(Ustekinumab)是针对白介素12(IL-12)和白介素23(IL-23)p40亚基的单克隆抗体。目前,在美国,欧洲和其他国家/地区,已经被批准用作中度至重度活动性CD的治疗药物。本项研究旨在通过分析血清C反应蛋白(CRP)水平和克罗恩病(SES-CD)的简单内镜评分来研究诱导时疾病活动是否与临床反应相关。

 

        入选的患者为计划接受乌司奴单抗(ustekinumab)治疗的中度至重度活动性CD患者。在第0、8、24和48周时,通过评估患者的人口统计资料,简单内窥镜评分(SES-CD),ustekinumab和细胞因子浓度以及细胞分数,比较了反应者和无反应者之间的差异。

 

        结果显示:入组的22例患者的临床反应和临床缓解率在第8周时分别为59.1%和31.8%,在第24周时分别为68.2%和45.5%,在第48周时分别为54.4%和40.9%。在反应者和非反应者之间,基线时患者的人口统计学和疾病特征无显着差异。基线时低SES-CD和高血清TNF-α的组合显示出与临床反应的良好相关性。由于该疗法,血清TNF-α浓度降低。应答者的基线时CD4 + TNF-α细胞比例显着高于无应答者。在应答者中,CD4 + TNF-α细胞的比例随着治疗而降低,而在非应答者中则没有这样的表现。

 

        本项研究证实:基线时较高的血清TNF-α浓度和较低的SES-CD这两个因素的组合可以帮助临床医生为中度至重度CD患者选择合适的治疗方法。

 

 

原始出处:

Kentaro Murate. Et al. Endoscopic Activity and Serum TNF-α Level at Baseline Are Associated With Clinical Response to Ustekinumab in Crohn’s Disease Patients. Inflammatory Bowel Diseases.2020.

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    2020-10-27 bnurmamat
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    2020-10-27 snowpeakxu
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    2020-10-25 ms3000000064279807

    很有收获

    0

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