Boosting gut health with good bacteria for a longer, healthier life

Strengthening gut barrier integrity with beneficial microbes to increase lifespan and healthspan

NIH-funded research Boston University Medical Campus · NIH-11115589

This work explores how beneficial gut bacteria might improve gut health to help us live longer and healthier, especially for conditions like Alzheimer's disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBoston University Medical Campus NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11115589 on NIH RePORTER

What this research studies

As we age, changes in our gut bacteria and the gut's protective lining can lead to inflammation, which might speed up aging and contribute to diseases like Alzheimer's. This project aims to find specific helpful bacteria that can strengthen the gut barrier and reduce inflammation. Researchers are studying a particular gut bacterium, Parabacteroides distasonis, which has shown promise in mice and fruit flies. The goal is to understand how these bacteria work and if they can truly extend a healthy life by preventing age-related gut barrier dysfunction.

Who could benefit from this research

Good fit: This foundational work is not yet recruiting patients, but future studies might seek individuals interested in gut health, aging, or conditions like Alzheimer's disease.

Not a fit: Patients seeking immediate treatment for existing conditions would not directly benefit from this early-stage biological work.

Why it matters

Potential benefit: If successful, this work could lead to new ways to use beneficial gut bacteria to reduce inflammation, improve gut health, and potentially slow down aging and the progression of age-related diseases like Alzheimer's.

How similar studies have performed: While the specific bacterium Parabacteroides distasonis is being explored, the general concept of the gut microbiome's role in health and aging is an active area of research with growing evidence.

Where this research is happening

Boston, 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.
Conditions Alzheimer disease dementiaAlzheimer syndromeAlzheimer's Disease
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.