How gut bacteria affect immune responses to malaria vaccines

Effect of gut microbiota composition on malaria vaccine-induced immune responses

NIH-funded research Indiana University Indianapolis · NIH-11124081

This study is looking at how the bacteria in our gut might affect how well malaria vaccines work, especially for people in Africa, by using mice that have similar gut bacteria to those found in that region.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionIndiana University Indianapolis NIH-funded
Lab location1 site (Indianapolis, United States)
Project IDNIH-11124081 on NIH RePORTER

What this research studies

This research investigates the role of gut microbiota in shaping immune responses to malaria vaccines. By using a controlled mouse model that mimics the gut microbiome of individuals in Africa, the study aims to understand how different gut bacteria can influence the effectiveness of malaria vaccines. The researchers will explore how these microbial communities interact with the immune system and potentially enhance vaccine efficacy. This approach is crucial as current vaccine trials often do not account for the differences in gut microbiota between populations.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals living in Africa who are at risk of malaria and may benefit from improved vaccine responses.

Not a fit: Patients who do not reside in regions where malaria is prevalent or who are not eligible for vaccination may not receive benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective malaria vaccines tailored to the gut microbiome of specific populations.

How similar studies have performed: Previous studies have shown that gut microbiota can influence vaccine responses, suggesting that this research builds on established findings while exploring a novel application.

Where this research is happening

Indianapolis, 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.