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Study details
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Extension Study of Long-term Safety and Efficacy of Tulisokibart

Merck Sharp & Dohme LLC
NCT IDNCT06651281ClinicalTrials.gov data as of Apr 2026
Phase

Phase 3

Target enrollment

1,380

Study length

about 13 years

Ages

All ages

Locations

12 sites in CT, MI, MO +4

About this study

Researchers are testing the safety and effectiveness of tulisokibart over a long period in people with Crohn's disease or ulcerative colitis. The trial is for people who previously received tulisokibart in other studies.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take Placebo to tulisokibart
  • 2.Take Tulisokibart
PhasePhase 3
Primary goalNumber of Participants Who Discontinue Study Treatment Due to an AE

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low8%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Endpoints

Primary: Number of Participants Who Discontinue Study Treatment Due to an AE, Number of Participants Who Experience an Adverse Event (AE)

Secondary: Percentage of Participants with Crohn's Disease Achieving Clinical Remission per Stool Frequency and Abdominal Pain Score

Body systems

Gastroenterology