A Better C. difficile Vaccine

Advancing a second generation C. difficile vaccine

['FUNDING_OTHER'] · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · NIH-11134708

This program aims to create a more effective vaccine to protect people from serious C. difficile infections.

Quick facts

Phase['FUNDING_OTHER']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR (nih funded)
Locations1 site (OKLAHOMA CITY, UNITED STATES)
Trial IDNIH-11134708 on ClinicalTrials.gov

What this research studies

Researchers are working to understand why current C. difficile vaccines don't always provide strong protection. They are studying how the human immune system, specifically memory B cells, responds to the C. difficile bacteria and its toxins. This knowledge will help them develop and test new, improved vaccine candidates. The goal is to create a second-generation vaccine that can better fight off C. difficile infections.

Who could benefit from this research

Good fit: This foundational research is not directly recruiting patients, but future clinical trials for the vaccine would likely seek individuals at risk for C. difficile infection.

Not a fit: Patients not at risk for C. difficile infection would not directly benefit from this specific vaccine development.

Why it matters

Potential benefit: If successful, this work could lead to a highly effective vaccine that prevents C. difficile infections, reducing severe illness and death.

How similar studies have performed: While first-generation C. difficile vaccines have been explored, this program focuses on understanding their limitations and developing a more advanced, second-generation approach.

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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.