How new antibiotic resistance in C. difficile affects treatment

Decoding the clinical impact of the recent evolution of metronidazole resistance on Clostridium difficile infection.

['FUNDING_R01'] · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · NIH-11262328

This project looks at how recent changes that make C. difficile resistant to metronidazole and vancomycin could affect people with C. difficile infections.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorTEXAS A&M UNIVERSITY HEALTH SCIENCE CTR (nih funded)
Locations1 site (COLLEGE STATION, UNITED STATES)
Trial IDNIH-11262328 on ClinicalTrials.gov

What this research studies

If I have C. difficile, researchers will compare bacteria taken from patients to find genetic changes that make the bugs resistant to metronidazole and vancomycin. They will analyze bacterial genomes, run lab tests that mimic drug levels in the colon, and review clinical records to link resistance patterns to patient outcomes. The study uses bacterial samples from infected people and hospital data to understand why some strains cause worse or recurring infections. That work could point to clearer antibiotic choices and ways to limit spread of dangerous strains.

Who could benefit from this research

Good fit: People with a confirmed C. difficile infection, especially those with severe, recurrent, or treatment-resistant cases, would be the most relevant candidates.

Not a fit: People without C. difficile infection or whose infections respond quickly to standard antibiotics are unlikely to gain direct benefit from this project.

Why it matters

Potential benefit: If successful, this work could help doctors pick antibiotics that work better and reduce severe or recurrent C. difficile infections.

How similar studies have performed: Previous studies have identified resistant C. difficile strains and linked some resistance to worse outcomes, but this project aims to detail the specific resistance mechanisms and their clinical effects.

Where this research is happening

COLLEGE STATION, 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.