JCC:溃疡性结肠炎维持治疗期间Vedolizumab的谷浓度水平和组织学愈合相关

2019-09-02 不详 MedSci原创

组织学愈合可能是溃疡性结肠炎[UC]的最终治疗目标。因此,研究人员就二者展开了对vedolizumab谷浓度水平与UC组织学愈合之间的关联的研究。

背景和目的
组织学愈合可能是溃疡性结肠炎[UC]的最终治疗目标。因此,研究人员就二者展开了对vedolizumab谷浓度水平与UC组织学愈合之间的关联的研究。

方法
本项研究是一项单中心回顾性队列研究,纳入了2014年6月至2018年间所有接受过vedolizumab维持治疗的UC患者,研究人员收集了所有的患者的临床数据,并对组织学及药物浓度进行监测。组织学愈合定义为Nancy组织学指数≤1。

结果
本项研究共分析了35个组织学样品。与没有组织学愈合的组(15 [9-26.6]μg/ mL,p = 0.02)相比,组织学愈合组(31.5 [25-49.1]μg/ mL)的维多利珠单抗水平较高。较高的vedolizumab的谷浓度与更高的组织学愈合率相关[ p = 0.10]。维多珠单抗波谷水平为截断值为25μg/ mL,其预测组织学愈合的准确度为74%,接受者操作曲线下面积为0.62 [95%置信区间0.58-0.92,p = 0.004]。双变量分析发现维多珠单抗波谷水平≥25μg/ mL [ p = 0.006],部分梅奥评分≤1[ p= 0.008,C-反应蛋白水平<5 mg / L [ p = 0.005]和Mayo内镜评分≤1[ p = 0.0004]是与组织学愈合相关的因素。

结论
在UC的维持治疗期间,组织学愈合与较高的维多珠单抗谷浓度水平相关。根据南希组织学指数参考,维多珠单抗波谷水平为25μg/ mL时被证明是预测组织学愈合的最佳选择。

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    2020-02-17 nymo
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    2019-09-27 snf701207
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