This clinical trial is focused on studying ulcerative colitis, a condition that causes inflammation and sores in the colon and rectum. The study is specifically for children and teenagers aged 2 to less than 18 years who have moderately to severely active ulcerative colitis. The treatment being tested is called mirikizumab, which is also known by its code name LY-3074828. Mirikizumab is available in two forms for this study: a 100 mg solution for injection in a pre-filled syringe and a 300 mg concentrate for solution for infusion. The purpose of the study is to evaluate how effective and safe mirikizumab is for treating ulcerative colitis in young patients.
Participants in the study will receive either mirikizumab or a placebo. The study will observe the participants over a period of time to see if their condition improves. The main goal is to see if mirikizumab can help achieve clinical remission, which means reducing the symptoms of ulcerative colitis, by the end of the study period. The study will also look at how the body processes the medication and monitor any side effects that may occur.
The study is designed to last until 2026, with the recruitment of participants expected to start in December 2023. During the study, participants will receive regular check-ups and assessments to track their progress and ensure their safety. The results of this study will help determine if mirikizumab is a beneficial treatment option for young people with ulcerative colitis.



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