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A Study to Investigate the Efficacy and Safety of Dupilumab Therapy Compared With Placebo in Participants Aged ≥18 Years With Moderately to Severely Active Ulcerative Colitis With an Eosinophilic Phenotype (LIBERTY-UC SUCCEED (Study in UC for Clinical Efficacy Evaluation of Dupilumab))

NCT05731128 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 68

Last updated 2025-12-15

No results posted yet for this study

Summary

The protocol of this Phase 2 clinical trial consists of a double-blind, placebo-controlled, parallel-group, multicenter study to evaluate the efficacy and safety of dupilumab in participants with moderately to severely active Ulcerative Colitis (UC) with an eosinophilic phenotype.

Screening period: 2 to up to 4 weeks

Treatment period:

52-week investigational medicinal product (IMP) intervention (dupilumab or matching placebo) from Week 0 to Week 52 Open-label arm (optional): administration of open-label dupilumab therapy for study participants who qualify. Follow-up period: 12 weeks The maximum duration of study per participant is up to 68 weeks.

Conditions

  • Colitis Ulcerative

Interventions

DRUG

Dupilumab

injection solution subcutaneous

DRUG

Placebo

injection solution subcutaneous

Sponsors & Collaborators

Principal Investigators

  • Clinical Sciences & Operations · Sanofi

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-01-12
Primary Completion
2026-05-15
Completion
2027-02-19
FDA Drug
Yes

Countries

  • United States
  • Argentina
  • Canada
  • Chile
  • Japan
  • Mexico
  • Puerto Rico
  • South Africa
  • South Korea
  • Taiwan
  • Turkey (Türkiye)

Study Locations

More Related Trials

Entities

Drugs
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05731128 on ClinicalTrials.gov