Investigating how certain dietary sugars affect diarrhea in IBS patients

Role of FODMAPs in the pathophysiology of diarrhea-predominant Irritable bowel syndrome

NIH-funded research University of Michigan at Ann Arbor · NIH-10894002

This study is looking at how certain carbohydrates called FODMAPs affect people with diarrhea-predominant Irritable Bowel Syndrome (IBS-D) and aims to find out how a low FODMAP diet can help ease their symptoms, so patients may be asked to try different diets and share their experiences.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor NIH-funded
Lab location1 site (Ann Arbor, United States)
Project IDNIH-10894002 on NIH RePORTER

What this research studies

This research focuses on understanding the role of FODMAPs, a group of fermentable carbohydrates, in causing symptoms of diarrhea-predominant Irritable Bowel Syndrome (IBS-D). The study aims to identify the mechanisms by which high FODMAP diets exacerbate symptoms and how low FODMAP diets can provide relief for many patients. By examining changes in gut bacteria and the colonic barrier function, the research seeks to develop targeted therapies that could improve treatment outcomes for IBS-D patients. Patients may be involved in dietary interventions and assessments to help clarify these mechanisms.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with diarrhea-predominant Irritable Bowel Syndrome (IBS-D).

Not a fit: Patients with other forms of Irritable Bowel Syndrome or those without IBS may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective dietary recommendations and treatments for patients suffering from IBS-D.

How similar studies have performed: Previous research has shown that dietary interventions, particularly low FODMAP diets, can significantly improve symptoms in IBS patients, indicating a promising avenue for further exploration.

Where this research is happening

Ann Arbor, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Chronic Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.