NIH-funded research NIH-funded research

How nutrients and gut bacteria work together to prevent C. difficile infections

Official title: The interplay between nutrient availability and secondary bile acid metabolism in commensal Clostridia mediates colonization resistance against C. difficile

Funded at North Carolina State University Raleigh · NIH-11062441 · Data updated 2026-11-12

This study is looking at how the nutrients we eat affect helpful gut bacteria that can fight off infections from C. difficile, and it's designed for anyone interested in understanding how our gut health can protect us from serious stomach issues.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionNorth Carolina State University Raleigh
NIH-funded
Lab location1 site (Raleigh, United States)
Project startApril 24, 2023
Project endMarch 31, 2028
Funding year2025
Award (this year)$380,000
NIH project number5R35GM149222-03
Project IDNIH-11062441 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals at risk for C. difficile infections, such as those with a history of antibiotic use or gastrointestinal disorders.

Less likely to help

Patients who are not at risk for C. difficile infections or those with unrelated gastrointestinal conditions may not benefit from this research.

What this research studies

This research investigates the relationship between nutrient availability and the metabolism of secondary bile acids by beneficial gut bacteria, specifically Clostridia, to understand how they help prevent infections from C. difficile. Using advanced technologies and various experimental methods, the team will analyze the gut microbiome and metabolome in animal models. The goal is to uncover the mechanisms through which the gut microbiota maintains colonization resistance against harmful pathogens like C. difficile, which can cause severe gastrointestinal infections.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing C. difficile infections, improving gut health and patient outcomes.

How similar studies have gone: Previous research has shown promising results in understanding the role of gut microbiota in preventing infections, indicating that this approach has potential for success.

Where this research is happening

  • North Carolina State University Raleigh
    Raleigh, United States
    Active

Researchers

  • Principal investigator: Theriot, Casey Michelle — North Carolina State University Raleigh
  • Study coordinator: Theriot, Casey Michelle

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.