Lancet:标准化儿科溃疡性结肠炎治疗疗效的临床和生物学预测指标

2019-04-27 MedSci MedSci原创

研究认为,基线疾病程度和4周治疗反应是预测52周美沙拉嗪单药治疗新发溃疡性结肠炎患儿疗效的重要指标

由于缺乏实验证据,儿童溃疡性结肠炎的治疗方案仍存在较大争议,预处理、临床、转录和微生物因素均是预测疾病的发展的潜在因素。

在近日研究中,4-17岁患有新发溃疡性结肠炎患儿,先接受标准的美沙拉嗪或皮质类固醇治疗,预先确定的标准升级方案为免疫调节剂(如:巯嘌呤类药物)或抗肿瘤坏死因子-α (TNFα)治疗。研究人员在治疗前用RNA测序来定义直肠基因表达,用16S测序来表征直肠和粪便微生物群。主要终点是第52周,美沙拉嗪单药,无皮质类固醇或其他升级疗法,实现的临床缓解。

428名患者开始接受药物治疗,90%完成了研究。400名受试者中有150人(38%)在52周实现无皮质类固醇缓解,其中147人(98%)服用美沙拉嗪,3人(2%)未服用服药。400例中有74例(19%)升级为单独免疫调节剂,123例(31%)接受抗TNFα治疗,25例(6%)接受结肠切除术。低基线临床严重程度、高基线血红蛋白和4周临床缓解与52周无皮质类固醇缓解相关(n=386,AUC=0.70,特异性77%)。基线严重程度和前4周缓解,在另外274名新诊断的溃疡性结肠炎儿童独立队列中得到验证。经临床预测因素调整后,出现抗菌肽基因特征(OR=0.57)、疣微菌科(OR=1.43)和萨特菌(OR=0.81)高丰度与第52周无皮质类固醇缓解独立相关。

研究认为,基线疾病程度和4周治疗反应是预测52周美沙拉嗪单药治疗新发溃疡性结肠炎患儿疗效的重要指标。

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    2019-11-07 howi
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    2019-08-12 nymo
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    2019-04-27 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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