IBD: 溃疡性结肠炎患者使用托法替尼治疗持续反应的预测因素分析

2022-01-12 MedSci原创 MedSci原创

溃疡性结肠炎是一种病因尚不十分清楚的结肠和直肠慢性非特异性炎症性疾病,病变局限于大肠黏膜及黏膜下层。

溃疡性结肠炎 (UC) 是累及结肠的一种慢性疾病,其特征是炎症复发和缓解反复交替。就严重程度、病程和对治疗的反应而言,溃疡性结肠炎是一种异质性疾病。UC 治疗通常会出现继发性反应丧失,乌司奴单抗、维多珠单抗、托法替尼和英夫利昔单抗的随机临床试验报告UC患者维持治疗 44-54 周后反应率丧失 30%-55%。为了更好地表征患者群体、优化治疗并最大限度地减少不良事件 (AE),临床上需要确定可预测维持治疗反应的因素。对 UC 治疗反应的预测是复杂的,并且受多种因素的影响,包括环境和微生物组。托法替(Tofacitinib)是一种口服小分子 JAK 抑制剂,用于治疗溃疡性结肠炎。本项研究旨在评估何种基线特征可以作为接受托法替尼维持治疗的溃疡性结肠炎患者持续缓解和缓解的预测因素。

研究人员将符合研究条件的UC患者随机分配接受托法替尼 5 或 10 mg 每天两次或安慰剂治疗。基线特征按第 52 周疗效终点(缓解、持续缓解、临床反应、持续临床反应)进行分层。使用逻辑回归分析评估基线特征和疗效终点之间的关联。

 

总体而言,487 名患者中有 170 名 (34.9%) 患者在第 52 周缓解。在多变量分析模型中,研究人员发现基线时的内窥镜子评分(2 vs 3;[OR],1.60;95%[CI ],1.06-2.44]),部分 Mayo 评分(<2 vs≥2;OR,1.92;95% CI,1.27-2.90)和年龄(每 10 年;OR,1.19;95% CI,1.02-1.39 ) 与第 52 周时更高的缓解几率相关。口服皮质类固醇的使用(OR,0.63;95% CI,0.42-0.96)和C反应蛋白(每单位; OR, 0.94; 95% CI, 0.89-0.99) 与第 52 周缓解的可能性降低相关。

图:托法替尼对于溃疡性结肠炎患者的治疗效果

本项研究证实托法替尼诱导治疗 8 周后临床改善更大的患者更有可能维持托法替尼的反应或缓解,这样的现象与维持期间接受的剂量无关,这突出了对诱导治疗的强烈反应的重要性。

原始出处:

William J Sandborn. Et al. Predictors of Sustained Response With Tofacitinib Therapy in Patients With Ulcerative Colitis . Inflammatory Bowel Diseases.2021.

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    2022-04-06 nymo
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    2022-03-07 医者仁者

    国内翻译为#托法替布#的更多

    0

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    2022-01-11 bnurmamat
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