How antibiotics affect the spread of drug-resistant bacteria in the gut

Antimicrobial Resistance and Horizontal Gene Transfer in the Human Gut Microbiome in Response to an Antibiotic

NIH-funded research Palo Alto Veterans Instit for Research · NIH-10841028

This study is looking at how taking antibiotics affects the bacteria in our gut and how that might lead to antibiotic resistance, helping us find better ways to use antibiotics and keep infections from becoming harder to treat.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionPalo Alto Veterans Instit for Research NIH-funded
Lab location1 site (Palo Alto, United States)
Project IDNIH-10841028 on NIH RePORTER

What this research studies

This research investigates how the use of antibiotics influences the development and spread of antimicrobial resistance (AMR) in the human gut microbiome. By studying both in vivo responses to antibiotic exposure and in vitro analyses of stool-derived communities, the research aims to understand the mechanisms of horizontal gene transfer that contribute to AMR. The study employs innovative techniques to monitor genetic changes in bacteria before, during, and after antibiotic treatment, providing insights into the evolutionary dynamics of AMR. The ultimate goal is to enhance antibiotic stewardship and reduce the prevalence of drug-resistant infections.

Who could benefit from this research

Good fit: Ideal candidates for participation are adults over 21 who have been prescribed antibiotics and are willing to provide stool samples for analysis.

Not a fit: Patients who are not currently taking antibiotics or those with underlying conditions that affect gut microbiota may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved strategies for managing antibiotic use and reducing the incidence of drug-resistant infections.

How similar studies have performed: Previous research has shown promising results in understanding AMR dynamics in microbial communities, indicating that this approach could yield valuable insights.

Where this research is happening

Palo Alto, 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.