Improving vaccines to prevent C. difficile infections.

Enhancing C. difficile vaccination in the context of TcdB-mediated immunosuppression.

NIH-funded research University of Oklahoma Hlth Sciences Ctr · NIH-10892824

This study is working on a new vaccine to help protect people from Clostridioides difficile infections, which can cause serious stomach problems, by using a safe version of a toxin to boost the immune system, and it will also look at how this bacteria might make vaccines less effective.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Oklahoma Hlth Sciences Ctr NIH-funded
Lab location1 site (Oklahoma City, United States)
Project IDNIH-10892824 on NIH RePORTER

What this research studies

This research aims to develop a next-generation vaccine to prevent infections caused by Clostridioides difficile, a bacterium responsible for significant gastrointestinal illness and mortality. The approach involves creating a modified version of a toxin that can stimulate a strong immune response without causing harm. The vaccine candidates will be tested in animal models to assess their effectiveness and safety. Additionally, the study will explore how C. difficile may weaken the immune response to vaccines, which is crucial for developing effective immunization strategies.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals at high risk for C. difficile infections, such as those with recent antibiotic use or underlying health conditions.

Not a fit: Patients who are not at risk for C. difficile infections or those who have already been vaccinated may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a more effective vaccine that significantly reduces the incidence of C. difficile infections and related complications.

How similar studies have performed: Previous research has shown promise in developing vaccines against C. difficile, but this approach is innovative and aims to enhance existing strategies.

Where this research is happening

Oklahoma City, 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 2026-06-09 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.