NIH-funded research R01 grant

Targeting a specific protein to prevent C. difficile infections

Official title: Targeting chondroitin sulfate proteoglycan 4 (CSPG4) expression as a Clostridioides difficile therapeutic

Funded at University of Oklahoma Hlth Sciences Ctr · NIH-11089575 · Data updated 2026-11-12

This study is looking at a new way to help prevent infections from Clostridioides difficile by blocking a specific protein that the bacteria use to cause illness, and it's aimed at people who are at risk of getting this infection.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Oklahoma Hlth Sciences Ctr
NIH-funded
Lab location1 site (Oklahoma City, United States)
Project startMay 15, 2024
Project endMarch 31, 2029
Funding year2025
Award (this year)$357,500
NIH project number5R01AI185203-02
Project IDNIH-11089575 on NIH RePORTER

Who could benefit from this research

Could help

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.

Less likely to help

Patients who are not at risk for C. difficile infections or those who have already been diagnosed with severe disease may not benefit from this research.

What this research studies

This research investigates a novel approach to prevent infections caused by Clostridioides difficile by targeting a specific protein called chondroitin sulfate proteoglycan 4 (CSPG4). The study aims to block the binding of harmful toxins produced by the bacteria to this protein, which is essential for the disease to manifest. By focusing on host signaling pathways that regulate CSPG4 expression, the researchers are exploring how to inhibit these pathways to reduce the risk of infection. This approach has shown promise in preliminary studies, where inhibiting a specific signaling pathway protected mice from C. difficile disease.

Why it matters

Potential benefit: If successful, this research could lead to new therapeutic strategies that significantly reduce the incidence and severity of C. difficile infections.

How similar studies have gone: While targeting host signaling pathways for bacterial infections is a relatively novel approach, preliminary studies have shown success in similar strategies for other conditions.

Where this research is happening

  • University of Oklahoma Hlth Sciences Ctr
    Oklahoma City, United States
    Active

Researchers

  • Principal investigator: Larabee, Jason — University of Oklahoma Hlth Sciences Ctr
  • Study coordinator: Larabee, Jason

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.