Investigating Mirikizumab for Children with Active Ulcerative Colitis

A Multicenter, Phase 3, Open-Label Study to Investigate the Efficacy, Pharmacokinetics, and Safety of Mirikizumab in Participants 2 Years to Less Than 18 Years of Age With Moderately to Severely Active Ulcerative Colitis

Phase 3 Interventional Eli Lilly and Company · NCT05784246

This study is testing a new medication called Mirikizumab to see if it can help children aged 2 to under 18 with active ulcerative colitis who haven't had success with other treatments.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment60 (estimated)
Ages2 Years to 17 Years
SexAll
SponsorEli Lilly and Company Industry-sponsored
Drugs / interventionsmethotrexate
Locations34 sites (San Francisco, California and 33 other locations)
Trial IDNCT05784246 on ClinicalTrials.gov

What this trial studies

This study evaluates the efficacy, pharmacokinetics, and safety of Mirikizumab in pediatric patients aged 2 to under 18 years who have moderately to severely active ulcerative colitis. Participants must have previously failed other treatments, including corticosteroids and biologics. The study includes both intravenous and subcutaneous administration of the drug, and those who complete it may have the option to enter a long-term extension study. The goal is to provide a new treatment option for this challenging condition in children.

Who should consider this trial

Good fit: Ideal candidates are children aged 2 to under 18 years with a diagnosis of moderately to severely active ulcerative colitis who have not responded to previous treatments.

Not a fit: Patients with Crohn's disease, ulcerative proctitis, or those who have had previous bowel surgery may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could offer a new effective treatment for children suffering from moderately to severely active ulcerative colitis.

How similar studies have performed: Other studies have shown promise with similar biologic treatments for ulcerative colitis, indicating potential for success with this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Males or females weighing ≥10 kg and ≥2 and \<18 years old at the time of consent for screening.
* Have moderate to severe UC.
* Have failed corticosteroids, biologics, (for example, anti-tumor necrosis factor (TNF) antibodies or anti-integrin antibodies), immunomodulators (for example, azathioprine, thiopurines or methotrexate) or Janus Kinase (JAK)-Inhibitor treatment.
* Have UC at least 3 months in duration before baseline, which includes endoscopic evidence of UC corroborated by a histopathology report.

Exclusion Criteria:

* Have Crohn's disease, Inflammatory Bowel Disease Unclassified, ulcerative proctitis or primary sclerosing cholangitis.
* Have immune deficiency syndrome.
* Previous bowel resection or intestinal surgery.
* Evidence of toxic megacolon.
* History or current evidence of cancer of the gastrointestinal tract.

Where this trial is running

San Francisco, California and 33 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ulcerative Colitis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.