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A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Constipation (IBS-C)

A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Brenipatide in the Treatment of Adult Participants With IBS-C - J2S-MC-GZMT

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031260143
Enrollment
342
Registered
2026-05-20
Start date
2026-06-15
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Irritable Bowel Syndrome Constipation

Interventions

DRUG: LY3537031(Other Name: Brenipatide) Administered SC. DRUG: Placebo Administered SC. (Study Arms) Experimental: LY3537031 LY3537031 administered subcutaneously (SC). Interventions: Dr

Sponsors

Masaki Takeshi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Meets Rome IV criteria for irritable bowel syndrome-constipation (IBS-C) including having more than 25% bowel movements with Bristol Stool Form Scale (BSFS) Types 1 or 2 and less than 25% of bowel movements with BSFS Types 6 or 7 - Based on the daily eDiary collection during the screening period: * Have average of worst abdominal pain score of >=3.0 on a 0-to-10-point scale during the 14 consecutive days prior to randomization

Exclusion criteria

Exclusion criteria: - Have a diagnosis of irritable bowel syndrome (IBS) with a subtype of diarrhea, mixed IBS, or unclassified IBS by the Rome IV criteria - Have a history of inflammatory or immune-mediated gastrointestinal disorders - Have a known clinically significant gastric emptying abnormality

Design outcomes

Primary

MeasureTime frame
Percentage of Participants with a Weekly Composite Clinical Response for at Least 50 Percent (%) of Weeks [Time Frame: Week 9 to 16]

Countries

Japan, United States

Contacts

Public ContactTrial Guide Call Center

Eli Lilly Japan K.K.

LTG_CallCenter@lists.lilly.com+81-120-023-812

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026