JCC: 强化英夫利昔单抗诱导治疗与类固醇难治性小儿溃疡性结肠炎的改善反应和减少结肠切除术相关

2019-09-02 不详 MedSci原创

英夫利昔单抗在类固醇难治性[SR]溃疡性结肠炎[UC]中的药代动力学研究表明需要更高的剂量来达到预期治疗效果,但是关于这种情况下强化效果的数据在儿童中缺乏并且互相矛盾,因此,本项研究旨在探究这二者之间关系。

背景
英夫利昔单抗在类固醇难治性[SR]溃疡性结肠炎[UC]中的药代动力学研究表明需要更高的剂量来达到预期治疗效果,但是关于这种情况下强化效果的数据在儿童中缺乏并且互相矛盾,因此,本项研究旨在探究这二者之间关系。

方法
研究人员对英夫利昔单抗治疗SR或类固醇依赖性UC的儿科患者[ N = 125]进行回顾性分析。比较标准与强化诱导[平均诱导剂量≥7mg/ kg或剂量1至3之间间隔≤5周]的结果[临床反应和缓解,结肠切除术,粘膜愈合,安全性]。

结果
在125名儿科患者[中位年龄14岁,中位UC持续时间0.7岁,74 例SR]中,73名患儿 [58%]接受标准诱导,52名患儿 [42%]接受强化诱导。总体而言,73 [58%]达到临床缓解。在74例SR患者中,17例[23%]接受了结肠切除术,51例类固醇依赖患者中,12例[24%]接受了结肠切除术.SR患者的强化诱导与更高的机会相关缓解([HR] 3.2,p = 0.02)和结肠切除术的机会较低有关[HR 0.4,p= 0.05],但没有改善类固醇依赖患者的结果。在随访期间,46/73 [63%]缓解期患者进行了方案个体化,1年后标准给药的初始强化或标准诱导率相似。随访内镜检查,在35/73例缓解期患者中进行,显示粘膜愈合率为66%。

结论
这些数据表明在患有类固醇难治性UC的儿童中强化英夫利昔单抗诱导是有益处的。

原始出处:

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    2020-02-22 nymo
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    2019-09-04 freve

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