JCC:在生物制剂时代儿童和成人溃疡性结肠炎的结肠切除术率并未降低

2021-11-25 MedSci原创 MedSci原创

对于轻度的溃疡性结肠炎患者,美沙拉嗪仍为主要的治疗药物,对于中重度溃疡性结肠炎患者首选激素治疗或者生物制剂。

随着肠黏膜免疫病理学发病机制研究的深入,生物制剂为IBD的临床治疗带来了新的曙光,主要包括靶向阻断在肠黏膜炎症反应发生过程中的各种促炎症细胞因子(如TNF-α、IL-12/IL-23)的生物学效应,以及抑制激活的白细胞向肠黏膜迁移(如整合素α4β7)。但是生物制剂的出现是否与溃疡性结肠炎 (UC) 的自然病程的变化有关仍然存在争议。本项研究旨在评估生物制剂时代在以色列的所有诊断为 UC 的患者的长期预后。

 

本项研究纳入的队列是以色列国家全国性的一项队列研究,称为Epi-IIRN,这个队列人群覆盖了以色列接近98%的人口。所有患者的临床资料都是从国家健康保险库中收集的,然后研究人员对所有患者进行了长期随访研究,主要观察结局是结肠切除术的实施。最后使用 Joinpoint回归和Kaplan Meier生存分析比较每年的结肠切除率(AAPC)。

 

自 2005 年以来,在以色列共有13231名患者被诊断为 UC(1,426 [11%] 名为儿童,10,310 [78%] 名为成人,1,495 [11%] 名为老年人),随访时间共为 93675 人年。确诊后1年、3年和5年的手术概率分别为1.1%、2.3%和4.1%,相应的住院率分别为22%、33%和41%。UC 中生物制剂的总体利用率从 2005 年的 0.1% 增加到 2019 年的 9.6%(AAPC 22.1%),并且在病程中更早地使用了生物制剂(2005-2008 年的中位数为 5.6 年 vs 0.8 年在2015-2018年;p<0.001)。年手术率 (AAPC -1.3; p=0.6) 和类固醇依赖性 (AAPC -1.2; p=0.3) 保持不变,而住院率略有下降 (AAPC -1.2; p<0.001)。

 

本项研究证实虽然随着生物制剂时代的到来,UC 患者的手术率和类固醇依赖率保持不变,而住院率略有下降。

原始出处:

Ohad Atia. Et al. Colectomy rates did not decrease in pediatric- and adult-onset ulcerative colitis during the biologics era - a nationwide study from the epi-IIRN. Journal of Crohn's and Colitis.2021.

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    2022-02-14 nymo
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