Investigating how gut bacteria affect irritable bowel syndrome after infections

Microbiota based mechanisms of post-infection irritable bowel syndrome

NIH-funded research Mayo Clinic Rochester · NIH-10896327

This study is looking at how certain gut bacteria might play a role in causing irritable bowel syndrome (IBS) after an intestinal infection, and it aims to find ways to improve gut health and ease IBS symptoms for people who have experienced this condition.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMayo Clinic Rochester NIH-funded
Lab location1 site (Rochester, United States)
Project IDNIH-10896327 on NIH RePORTER

What this research studies

This research explores the connection between gut bacteria and the development of irritable bowel syndrome (IBS) following intestinal infections. It focuses on understanding how certain bacteria, particularly from the Alistipes genus, influence the activity of proteases in the gut, which can lead to symptoms of IBS. By studying fecal samples and using germ-free mice models, the researchers aim to identify specific microbial interactions that could help restore gut health and alleviate IBS symptoms. Patients with post-infection IBS may provide valuable insights into how these bacteria function and how they can be targeted for treatment.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults over 21 who have developed irritable bowel syndrome following an intestinal infection.

Not a fit: Patients who do not have a history of intestinal infections or do not suffer from IBS may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that restore gut health and reduce IBS symptoms for affected patients.

How similar studies have performed: Previous research has shown promising results in understanding the role of gut microbiota in gastrointestinal disorders, suggesting that this approach could yield significant insights.

Where this research is happening

Rochester, 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.
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.