Understanding how the immune system responds to Clostridioides difficile infection

Project 3: Defining adaptive immune interactions that shape Clostridioides difficile infection

['FUNDING_OTHER'] · UNIVERSITY OF PENNSYLVANIA · NIH-11037959

This study is looking at why some people who recover from a Clostridioides difficile infection don’t seem to build lasting immunity, and it aims to find ways to help protect those at higher risk from getting sick again.

Quick facts

Phase['FUNDING_OTHER']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF PENNSYLVANIA (nih funded)
Locations1 site (PHILADELPHIA, UNITED STATES)
Trial IDNIH-11037959 on ClinicalTrials.gov

What this research studies

This research investigates the immune response to Clostridioides difficile infection, focusing on why some patients do not develop lasting immunity after recovering from the infection. By analyzing patient samples and using a mouse model, the study aims to identify the immune parameters that contribute to effective immunity. The researchers will compare the ability of antibodies produced during infection to recognize and bind to the bacteria in the intestines, which is crucial for developing effective vaccines. The goal is to uncover mechanisms that could lead to better prevention strategies for high-risk populations.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who have experienced Clostridioides difficile infections, particularly those who have had recurrent episodes.

Not a fit: Patients who have never been infected with Clostridioides difficile or those with unrelated gastrointestinal conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to the development of a vaccine that provides lasting protection against Clostridioides difficile infections.

How similar studies have performed: Previous research has shown that understanding immune responses can lead to successful vaccine development, but this specific approach to Clostridioides difficile is relatively novel.

Where this research is happening

PHILADELPHIA, 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.