for people ages 18-80 (full criteria)
at San Francisco, California and other locations
study started
estimated completion:



The purpose of this study is to evaluate the safety and efficacy of Mirikizumab in participants with moderately to severely active ulcerative colitis (UC) who have had an inadequate response to, loss of response, or intolerant to conventional or biologic therapy for UC.

Official Title

A Phase 3, Multicenter, Randomized, Double-Blind, Parallel, Placebo-Controlled Induction Study of Mirikizumab in Conventional-Failed and Biologic-Failed Patients With Moderately to Severely Active Ulcerative Colitis (LUCENT 1)


Ulcerative Colitis Interleukin-23 (IL-23) antibody IL-23p19 Colitis Ulcer Colitis, Ulcerative Mirikizumab


You can join if…

Open to people ages 18-80

  • Diagnosis of UC for at least 3 months prior to baseline.
  • Confirmed diagnosis of moderately or severely active UC, as assessed by the modified Mayo score (MMS).
  • Demonstrated an inadequate response to, a loss of response to, or an intolerance to conventional or to biologic therapy for UC.
  • If female, must meet the contraception requirements.

You CAN'T join if...

  • Participants with a current diagnosis of Crohn's disease or inflammatory bowel disease-unclassified (indeterminate colitis).
  • Participants with a previous colectomy.
  • Participants with current evidence of toxic megacolon.
  • Prior exposure to anti-IL12p40 antibodies (e.g. ustekinumab) or anti-IL-23p19 antibodies (e.g. risankizumab, brazikumab, guselkumab or tildrakizumab).


  • University of California, San Francisco not yet accepting patients
    San Francisco California 94158 United States
  • Care Access Research accepting new patients
    San Pablo California 94806 United States


accepting new patients
Start Date
Completion Date
Eli Lilly and Company
Phase 3
Study Type
Last Updated
October 1, 2018