An Induction Study to Investigate the Efficacy and Safety of Duvakitug in Participants With Moderately to Severely Active Ulcerative Colitis
Study on Ulcerative Colitis and How Well an Investigational Treatment Works
Study Overview
This is a multinational, multicenter, randomized, double-blind, placebo-controlled, Phase 3 induction study to evaluate the efficacy and safety of duvakitug in participants with moderately to severely active Ulcerative Colitis (UC). Study details include:
The study duration may be up to 35 weeks with:
- Screening period
- 12-week Sub-Study 1 (Single-Arm Open-Label Feeder Induction) or Sub-Study 2 (Pivotal Induction)
- 12-week Sub-Study 3 (Extended Induction for non-responders)
- 45 days follow-up visit for participants who do not enroll into the maintenance study (EFC18359)
The treatment duration will be up to 12 weeks in each sub-study. The number of scheduled on-site visits will be up to 8 for the Sub-Study 1 and Sub Study 2 or a maximum of 15 visits for participants completing extended induction.
Eligibility Criteria
You may be eligible for this study if you meet the following criteria:
- Conditions: Ulcerative Colitis
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Age: 16 years - 80 years
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Gender: All
Inclusion Criteria:
- Participants aged ≥18 and ≤80 years of age at Screening. Where permitted locally, participants 16 to <18 years of age who meet the definition of Tanner Stage 5 for development
- Confirmed diagnosis of moderately to severely active UC for at least 3 months prior to Baseline
- Demonstrated inadequate response, have shown loss of response or intolerance to conventional therapies or advanced therapies
Exclusion Criteria:
- Participants with Crohn's Disease (CD), indeterminate colitis
- Current diagnosis of Ulcerative Proctitis
- Participants with surgical bowel resection within the past 3 months prior to Baseline, or a history of >3 bowel resections
- Prior or current high-grade gastrointestinal (GI) dysplasia
- Participants on treatment with but not on stable doses of conventional therapies prior to baseline
- Participants with prohibited medications or therapies prior to baseline
- Participants with previous exposure to anti-TL1A investigational therapy The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.
This study investigates the effects of an investigational medication on people with moderately to severely active Ulcerative Colitis (UC). The purpose of this study is to see how well the investigational medication works and how safe it is for people with this condition.
The study includes different procedures, such as screening and treatment periods. Participants will be randomly assigned to different study arms, including open-label and placebo-controlled groups. The investigational medication will be compared to a placebo, which is an inactive substance that looks like the investigational medication but does not contain any medicine.
- Who can participate: Participants aged 16 to 80 years with moderately to severely active Ulcerative Colitis can join. They must have had the condition for at least 3 months and shown inadequate response to previous treatments. People with Crohn's Disease or recent bowel surgery are not eligible.
- Study details: Participants will undergo screening and then be assigned to different study arms. They will receive either the investigational medication or a placebo.
- Study timelines and visits: The study will last up to 35 weeks. The study requires up to 15 visits.
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