A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Diarrhea (IBS-D)
Key facts
- Where
- Ciudad de Tijuana, Cuernavaca, Guadalajara, Irapuato, Mérida, Mexico City, Tlalnepantla, Torreón, and Zapopan, MexicoSee the 10 sites
- Phase
- Phase 2
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 75 years old?
Source: NCT07545759, who can take part
Where in Mexico
- Scientia Investigacion Clinica TjCiudad de Tijuana, MexicoContact: Luis Lopez (principal investigator)Taking people
- Investigación Clínica Cuernavaca, S.C.Cuernavaca, MexicoContact: Izchel Donají Sánchez (principal investigator)Taking people
- Clinica de Investigacion en Reumatologia y Obesidad S. C.Guadalajara, MexicoContact: Hector Martinez Torres (principal investigator)Taking people
- Proactive CR México SA de CVIrapuato, MexicoContact: Andrés Mendoza Sanchez (principal investigator)Not yet recruiting
- Köhler & Milstein Research S.A. de C.V.Mérida, MexicoContact: Jose Alcocer Tamayo (principal investigator)Taking people
- Centro de Investigacion Clinica ChapultepecMexico City, MexicoContact: Elda Rodriguez Negrete (principal investigator)Taking people
- Hospital Juarez de MexicoMexico City, MexicoContact: Eumir Juarez-Valdes (principal investigator)Not yet recruiting
- Clinical Research Institute S.C.Tlalnepantla, MexicoContact: Deyanira Kusulas (principal investigator)Taking people
- CIMAB SA de CVTorreón, MexicoContact: Violeta Silva Sánchez Álvarez (principal investigator)Taking people
- Núcleo de Investigación Médica Sur de GuadalajaraZapopan, MexicoContact: Rodrigo Nava Arceo (principal investigator)Taking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Eli Lilly and Company
- Trial code
- NCT07545759EU 2025-524973-17-00
- Record updated
- 4 November 2026
- Original description
The purpose of this study is to evaluate how well brenipatide (LY3537031) is tolerated, what side effects may occur, and the safety and efficacy in participants with Irritable Bowel Syndrome-Diarrhea (IBS-D). The study drug will be administered subcutaneously (SC) (under the skin) when compared with placebo.Read full original descriptionShow less
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-D
The purpose of this study is to evaluate how well brenipatide (LY3537031) is tolerated, what side effects may occur, and the safety and efficacy in participants with Irritable Bowel Syndrome-Diarrhea (IBS-D). The study drug will be administered subcutaneously (SC) (under the skin) when compared with placebo.
The study will last approximately 36 weeks.
Inclusion: Meet Rome IV criteria for IBS-D, which includes having greater than 25% of bowel movements with Bristol Stool Form Scale (BSFS) Types 6 or 7 and <25% of bowel movements with BSFS Types 1 or 2; 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; Have at least 4 days per week with a maximum BSFS ≥5 AND with at least 2 days of the 4 days per week with a maximum BSFS ≥6 during the 14 consecutive days prior to randomization; Have had no major changes in diet in the 4 weeks prior to screening.
Exclusion: Have a history of inflammatory or immune-mediated gastrointestinal disorders; Have a diagnosis of IBS with a subtype of constipation, mixed IBS, or unclassified IBS by the Rome IV criteria; Have a known clinically significant gastric emptying abnormality.