How gut bacteria affect immune responses to cholera vaccines

Interpersonal variation in microbiome structure modulates inter-individual immune responses to Vibrio cholerae

NIH-funded research University of California Riverside · NIH-10991657

This study is looking at how the bacteria in your gut might affect how well you respond to cholera vaccines, and it's for anyone interested in understanding why some people get better protection from the vaccine than others.

Quick facts

Grant typeFellowship grant
Study typeNIH-funded research
Funding institutionUniversity of California Riverside NIH-funded
Lab location1 site (Riverside, United States)
Project IDNIH-10991657 on NIH RePORTER

What this research studies

This research investigates how variations in the gut microbiome influence individual immune responses to cholera vaccines. By analyzing the composition of gut bacteria in different populations, the study aims to understand why some people respond better to oral cholera vaccines than others. The researchers will collect samples and data from participants to identify specific microbial communities that may enhance or hinder vaccine efficacy. This could lead to personalized vaccination strategies based on an individual's gut microbiota.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals living in cholera-endemic regions who are receiving or have received oral cholera vaccines.

Not a fit: Patients who have not been vaccinated against cholera or those with gastrointestinal disorders that significantly alter their microbiome may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved cholera vaccine effectiveness tailored to individual microbiome profiles.

How similar studies have performed: Other research has shown that gut microbiota can influence vaccine responses, suggesting that this approach may yield valuable insights.

Where this research is happening

Riverside, 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.