Although participants with inflammatory bowel diseases in clinical trials of biologics and small molecule drugs (henceforth, advanced therapies) frequently receive several medications concomitantly, it is unclear how they modify treatment effect.

中文翻译：

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合并用药对生物制剂和小分子治疗溃疡性结肠炎的疗效和安全性没有影响


尽管在生物制剂和小分子药物（以下简称高级疗法）的临床试验中患有炎症性肠病的参与者经常同时接受多种药物，但尚不清楚它们如何改变治疗效果。