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Taking people in BelgiumPhase 2

A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Diarrhea (IBS-D)

Key facts

Where
Antwerp, Bruges, Brussels, Edegem, Ghent, Leuven, Liège, and Roeselare, BelgiumSee 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 Belgium

  • Sint Vincentius ZiekenhuisAntwerp, BelgiumContact: Sara Nullens (principal investigator)Not yet recruiting
  • AZ Sint-LucasBruges, BelgiumContact: Joris Arts (principal investigator)Not yet recruiting
  • UZ BrusselBrussels, BelgiumContact: Sebastien Kindt (principal investigator)Not yet recruiting
  • Antwerp University HospitalEdegem, BelgiumContact: Heiko De Schepper (principal investigator)Not yet recruiting
  • AZ Maria MiddelaresGhent, BelgiumContact: Didier Baert (principal investigator)Taking people
  • AZ Sint-LucasGhent, BelgiumContact: Frederik de Clerck (principal investigator)Taking people
  • UZ GentGhent, BelgiumContact: Danny De Looze (principal investigator)Not yet recruiting
  • UZ LeuvenLeuven, BelgiumContact: Jan Tack (principal investigator)Taking people
  • Clinical Chc MontlégiaLiège, BelgiumContact: Boris Bastens (principal investigator)Taking people
  • AZ Delta vzwRoeselare, BelgiumContact: Jolien Schol (principal investigator)Taking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Trial 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.

ClinicalTrials.gov NCT07545759 · EU CTIS 2025-524973-17-00