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Inflam Bowel Dis: 较高的英夫利昔单抗血清谷浓度与儿童肛周克罗恩病的愈合有关

2019-01-01 MedSci MedSci原创

有一些证据表明,CD患者需要更高的血清英夫利昔单抗(IFX)水平才能充分治疗肛周克罗恩病(CD)。本项研究的目的是确定IFX谷水平与第24周的瘘管肛周CD(PCD)愈合有关。

背景及目的
有一些证据表明,CD患者需要更高的血清英夫利昔单抗(IFX)水平才能充分治疗肛周克罗恩病(CD)。本项研究的目的是确定IFX谷水平与第24周的瘘管肛周CD(PCD)愈合有关。

方法
这是一项多中心队列研究中,纳入了在2014年4月至2017年6月期间使用IFX治疗的瘘管的年龄小于17岁的CD儿童,其在第四次输注之前测量了血清IFX谷浓度。计算受试者工作特征曲线下面积(AUROC)以确定预测瘘管愈合的最佳截止值。

结果
本项研究共招募了667名患有克罗恩病儿童,其中85名(12.7%)患者被诊断为瘘管性PCD。52名(52%)儿童中有27名儿童测量了第四次输注前IFX水平(平均年龄12.57±5.12岁)。在第24周,27名患者中有14名(52%)患者的PCD愈合,而其余患者持续存在活动性瘘管疾病。应答者的IFX前第四剂量中位数水平为12.7ug / mL,而活动性疾病组为5.4ug / mL(P = 0.02)。第24周IFX水平与瘘管PCD愈合之间存在很强的相关性(r = 0.65; P <0.001)。AUROC为0.80(95%置信区间,0.64-0.97; P 对于第四周前IFX水平,预测第24周时瘘管PCD的反应,并且12.7ug / mL的水平最佳预测瘘管愈合。

结论
本项研究证明较高的IFX谷浓度水平与瘘管肛周CD的愈合有关。

原始出处:

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    2019-06-17 yuandd
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    2019-07-14 lxg951
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    2019-01-03 xiaoyeshuang
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