
Do you have Irritable Bowel Syndrome-Constipation(IBS-C)?
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-Constipation (IBS-C). The study drug will be administered subcutaneously (SC) (under the skin) when compared with placebo.
The study will last approximately 35 weeks.
Would you like to take part?
As a volunteer in a research study, you’ll receive study-related medical care from the study doctor and regular follow up of your condition to monitor the safety and effectiveness of the care you’ll receive. Study volunteers are an important part of moving medical care forward.
You may qualify to participate in this study if you:
- Meet 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
You may not qualify to participate in this study if you:
- 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
There are other eligibility requirements that the study doctor will review. Only the study doctor can finally determine whether you are eligible to participate in the study or not.

