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LY4268989

Phase 2

Ulcerative Colitis | Small molecule | Immunology |Eli Lilly and Company|Last Updated: Jun 4, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment252
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07186101LY4268989 (MORF-057) Co-Administered With Mirikizumab in Adults With Moderately to Severely Active Ulcerative Colitis:PHASE2 RECRUITING 252Nov 10, 2025Mar 1, 2029Jun 4, 2026150 United States, Austria +15
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Study Endpoints
Primary Endpoints
Percentage of Participants Who Achieve Clinical Remission with Modified Mayo Score (mMS)
Week 12

The mMS is a composite score reported by participants and physician and is comprised of the following 3 subscores: Stool Frequency (SF); Rectal Bleeding (RB), and Endoscopic Subscore (ES). Clinical remission (mMS) is defined as: * SF subscore = 0 or 1 and no greater than baseline * RB subscore = 0 * Centrally read ES = 0 or 1; score of 1 modified to exclude friability

Secondary Endpoints
Percentage of Participants Who Achieve Clinical Response with mMS
Week 12
Percentage of Participants Who Achieve Endoscopic Improvement
Week 12
Percentage of Participants Who Achieve Symptomatic Remission
Week 12
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
LY4268989 + MirikizumabEXPERIMENTALLY4268989 administered orally (PO) + Mirikizumab administered intravenously (IV), then subcutaneously (SC). Responders will be re-randomized for Study Period 2.
Mirikizumab + LY4268989 PlaceboEXPERIMENTALMirikizumab administered IV, then SC + LY4268989 placebo administered PO. Responders and Non-responders will re-randomized for Study Period 2.
Interventions
NameTypeDescription
LY4268989DRUGAdministered PO
MirikizumabDRUGAdministered IV then SC
LY4268989 PlaceboDRUGAdministered PO
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites150

Inclusion Criteria: * Have had an established diagnosis of UC of ≥3 months in before baseline, which includes endoscopic evidence of UC and a histopathology report that supports a diagnosis of UC * Have moderately to severely active UC as defined by a mMS of 5 to 9 with an ES ≥2 confirmed by centra...

Countries:United StatesAustriaBrazilCanadaChinaDenmarkGermanyHungaryIndiaItalyJapanMexicoNetherlandsPolandRomaniaSpainTurkey (Türkiye)
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Recent Changes (Last 90 Days)
LOWJun 4, 2026NCT07186101lastUpdatePostDate: changed
LOWJun 4, 2026NCT07186101lastUpdatePostDate: changed
LOWJun 4, 2026NCT07186101lastUpdatePostDate: changed
LOWJun 4, 2026NCT07186101lastUpdatePostDate: changed
LOWMay 26, 2026NCT07186101primaryCompletionDate: changed
LOWMay 24, 2026NCT07186101studyFirstPostDate: changed