Reducing gut microbiome damage caused by antibiotics using dietary fiber

Alleviating antibiotic-induced microbiome dysfunction by quenching the microbial redox environment

NIH-funded research Brown University · NIH-11189881

This study is looking at how antibiotics can upset the good bacteria in our gut, which can lead to problems like C. difficile infections and even long-term issues like obesity and diabetes, and it’s exploring how adding dietary fiber might help protect those good bacteria during antibiotic treatment.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionBrown University NIH-funded
Lab location1 site (Providence, United States)
Project IDNIH-11189881 on NIH RePORTER

What this research studies

This research investigates how antibiotics disrupt the gut microbiome, leading to serious health issues like C. difficile colitis and long-term conditions such as obesity and diabetes. The approach focuses on using dietary fiber to lower the gut's redox potential, which may help protect beneficial bacteria during antibiotic treatment. By testing various compounds in laboratory cultures, the researchers aim to identify effective strategies to enhance microbiome resilience and reduce susceptibility to harmful bacteria. The ultimate goal is to develop therapies that can safeguard the microbiome while maintaining the effectiveness of antibiotics.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who are prescribed antibiotics and are at risk of developing gut-related complications.

Not a fit: Patients who are not undergoing antibiotic treatment or do not have gut microbiome-related health issues may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new therapies that protect patients' gut health during antibiotic treatments.

How similar studies have performed: Previous research has shown promising results in using dietary interventions to support gut health during antibiotic therapy, indicating potential for success in this approach.

Where this research is happening

Providence, 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.
Last reviewed 2026-06-13 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.