Clin Gastroenterology H:克罗恩病患者病程越短对维多珠单抗的反应率越高

2019-11-18 不详 MedSci原创

病程时间较短的克罗恩病(CD)但不是溃疡性结肠炎(UC)的患者比病程较长的患者对肿瘤坏死因子(TNF)拮抗剂的反应率高。但是我们关于疾病持续时间与对其他生物制剂的反应之间的关联知之甚少。本项研究旨在评估CD或UC患者对vedolizumab的反应,并按病程进行分层分析。

背景与目标
病程时间较短的克罗恩病(CD)但不是溃疡性结肠炎(UC)的患者比病程较长的患者对肿瘤坏死因子(TNF)拮抗剂的反应率高。但是我们关于疾病持续时间与对其他生物制剂的反应之间的关联知之甚少。本项研究旨在评估CD或UC患者对vedolizumab的反应,并按病程进行分层分析。

方法
研究人员分析了从2014年5月至2016年12月接受vedolizumab治疗的CD(n = 650)或UC(n = 437)CD患者的数据。比较了临床缓解率,皮质类固醇早期(≤2年病程)和晚期(> 2年)CD或UC患者之间的无症状缓解(CSFR)和内镜缓解情况。并使用Cox比例风险模型来识别与结果相关的因素。

结果
在开始使用维多珠单抗治疗的6个月内,早期CD的患者临床缓解率(38%vs 23%)比例明显高于晚期CD,CSFR(43%vs 14%)和内窥镜缓解率( 29%和13%)也较高(P <0.05)。在调整了疾病相关因素(包括先前接触过TNF拮抗剂后)之后,早期CD的患者比晚期CD的患者获得临床缓解的可能性要高得多(调整后的危险比[aHR]为1.59; 95%CI为1.02–2.49),CSFR(aHR,3.39; 95%CI,1.66-6.92)和内镜缓解(aHR,1.90; 95%CI,1.06-3.39)。相反,疾病持续时间并不是UC患者反应的重要预测指标。

结论
与病程较长的患者相比,患有CD 2年或更短时间的CD患者明显更可能实现对维多珠单抗的完全缓解,CSFR或内窥镜缓解。UC患者的疾病持续时间与反应性维多珠单抗无关。

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    2020-01-14 许安
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