NIH-funded research R01 grant

Understanding how Clostridioides difficile adapts and survives in the gut

Official title: Defining the role of phenotypic heterogeneity in Clostridioides difficile fitness

Funded at Univ of North Carolina Chapel Hill · NIH-11066173 · Data updated 2026-11-12

This study is looking at how the bacteria Clostridioides difficile changes in the gut to make toxins that can cause serious infections, and it aims to find new ways to prevent or treat these infections.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniv of North Carolina Chapel Hill
NIH-funded
Lab location1 site (Chapel Hill, United States)
Project startNovember 18, 2024
Project endOctober 31, 2029
Funding year2025
Award (this year)$521,030
NIH project number1R01AI188648-01
Project IDNIH-11066173 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals who have experienced or are at risk for C. difficile infections, particularly those with a history of antibiotic use.

Less likely to help

Patients who do not have a history of C. difficile infections or are not at risk for such infections may not benefit from this research.

What this research studies

This research investigates how the bacteria Clostridioides difficile, which can cause severe intestinal infections, adapts to the gut environment to produce harmful toxins. The study focuses on the genetic and molecular mechanisms that regulate the bacteria's ability to move and produce toxins, particularly through a process called phase variation. By examining these processes in animal models, the research aims to uncover how different bacterial populations can coexist and impact infection outcomes. This knowledge could lead to new strategies for preventing or treating infections caused by C. difficile.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for patients suffering from C. difficile infections, potentially reducing the severity and frequency of these infections.

How similar studies have gone: Previous research has shown that understanding bacterial behavior and genetics can lead to significant advancements in treating infections, indicating that this approach has potential for success.

Where this research is happening

  • Univ of North Carolina Chapel Hill
    Chapel Hill, United States
    Active

Researchers

  • Principal investigator: Tamayo, Rita — Univ of North Carolina Chapel Hill
  • Study coordinator: Tamayo, Rita

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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.