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First received: March 04, 2026

Clinical Trial: Effectiveness and Safety of Upadacitinib for Acute Severe Ulcerative Colitis

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Ulcerative Colitis (UC)

Study Type: OBSERVATIONAL


Official Title: A Comparative Retrospective Observational Study of the Effectiveness and Safety of Upadacitinib as First-Line and Rescue Therapy in Acute Severe Ulcerative Colitis

Brief Summary: The aim of this retrospective observational study is to investigate and compare the real-world effectiveness and safety of upadacitinib when used as first-line exposure versus rescue exposure in patients with acute severe ulcerative colitis (ASUC).The key questions to be addressed are:In patients with ASUC, does upadacitinib administered as first-line induction exposure result in higher rates of colectomy-free survival, clinical remission, and endoscopic healing compared with its use as rescue exposure following…

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