Geneva, Aug. 6 -- International Clinical Trials Registry received information related to the study (ChiCTR2600129179) titled 'Effect of Time-Controlled Upadacitinib Therapy on Nocturnal Symptoms and Inflammation in Inflammatory Bowel Disease: A Circadian Rhythm-Based Randomized Controlled Trial' on July 31.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Peking Union Medical College Hospital

Condition: Inflammatory bowel disease: ulcerative colitis, Crohn's disease

Intervention: Daytime dosing group:upadacitinib administered during the daytime

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-08-01

Target Sample Size: Daytime dosing group:90;Nighttime dosing group:90;

Co...