NIH-funded research NIH-funded research

Developing an mRNA vaccine to protect against C. difficile infections

Official title: Core A: Administrative

Funded at University of Pennsylvania · NIH-11037944 · Data updated 2026-11-12

This study is working on a new mRNA vaccine to help prevent infections from Clostridioides difficile, which can cause serious stomach problems, and it aims to find ways to make this vaccine effective for patients like you.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania
NIH-funded
Lab location1 site (Philadelphia, United States)
Project startMarch 1, 2023
Project endFebruary 29, 2028
Funding year2025
Award (this year)$254,993
NIH project number5U19AI174998-03
Project IDNIH-11037944 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 recent antibiotic use or underlying health conditions.

Less likely to help

Patients who are not at risk for C. difficile infections or those who have already been vaccinated against it may not receive any benefit from this research.

What this research studies

This research focuses on creating an mRNA vaccine platform aimed at preventing infections caused by Clostridioides difficile. The project involves a collaborative team that will generate and test modified mRNA vaccines while also exploring the diversity of C. difficile strains and the immune response to natural infections. Patients may benefit from the development of a vaccine that could significantly reduce the incidence of C. difficile infections, which can lead to severe gastrointestinal issues. The research includes collecting samples from a patient cohort to better understand the disease and vaccine efficacy.

Why it matters

Potential benefit: If successful, this research could lead to a vaccine that significantly reduces the risk of C. difficile infections in patients.

How similar studies have gone: Other research has shown promise in developing mRNA vaccines for various infectious diseases, indicating potential success for this novel approach.

Where this research is happening

  • University of Pennsylvania
    Philadelphia, United States
    Active

Researchers

  • Principal investigator: Weissman, Drew — University of Pennsylvania
  • Study coordinator: Weissman, Drew

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.