Eli Lilly's Mirikizumab Shows Mucosal Healing In Ulcerative Colitis Maintained For Up To One Year

Eli Lilly And Co LLY has announced new Phase 2 data showing that gene expression changes induced by mirikizumab in patients with ulcerative colitis (UC) over a 12-week induction treatment were maintained for up to one year.
In a previously published Phase 2 study, mirikizumab down-regulated several gene transcripts associated with inflamed mucosa and up-regulated gene transcripts correlated with healthy mucosa and markers of functional healing after 12 weeks.
In this analysis, a set of differentially-expressed gene transcripts were identified in patients who responded to mirikizumab that were not found in those who responded to placebo at 12 weeks.
Of the modulated genes, 71% (n=63) were present only in patients who responded to mirikizumab, 5.6% (n=5) were present only in those who responded to placebo, and 23.6% (n=21) were present in both groups.
The results observed at 12 weeks were maintained for up to one year in patients receiving mirikizumab.
Mirikizumab is a humanized IgG4 monoclonal antibody that binds to the p19 subunit of interleukin 23 and is studied in Phase 3 trials for UC and Crohn's disease (CD).
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