NIH-funded research NIH-funded research

Gut bacteria and osteoporosis risk: what gut microbes may mean for your bone health

Official title: Studying Human Gut Microbiome for Osteoporosis Risk

Funded at Tulane University of Louisiana · NIH-11365793 · Data updated 2026-11-12

A large study will look at how gut bacteria relate to bone density and fracture risk, with the goal of better understanding who is at risk and how to protect bones.

More Gut Microbiome research and trials

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionTulane University of Louisiana
NIH-funded
Lab location1 site (New Orleans, United States)
Project startSeptember 15, 2017
Project endJune 30, 2027
Funding year2026
Award (this year)$407,482
NIH project number5U19AG055373-10
Project IDNIH-11365793 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are adults at risk for osteoporosis or with low bone density who are willing to provide stool samples and bone-health data.

Less likely to help

People without osteoporosis risk factors or without an interest in contributing biological samples may not directly benefit.

What this research studies

This project will explore the link between the gut microbiome and osteoporosis in humans by analyzing gut bacteria and their functions in a large group of participants. Researchers will combine detailed microbiome sequencing with bone health measurements to identify microbial signatures that correlate with low bone density and fractures. They will use computational analyses and laboratory experiments to test how certain bacteria might influence bone-forming cells and bone-breaking cells. The aim is to uncover mechanisms and potential targets that could lead to new ways to prevent or treat osteoporosis.

Why it matters

Potential benefit: If successful, findings could lead to new microbiome-based strategies to reduce osteoporosis risk and fractures.

How similar studies have gone: Previous studies have linked gut microbiome diversity to bone health but have been small; this project aims to provide more definitive, scalable insights.

Where this research is happening

  • Tulane University of Louisiana
    New Orleans, United States
    Active

Researchers

  • Principal investigator: Shen, Hui — Tulane University of Louisiana
  • Study coordinator: Shen, Hui

Related research

Other NIH-funded projects on the same topics.

  • Your Gut Bacteria and Osteoporosis Risk

    This project looks at how the bacteria in your gut might affect your risk of developing osteoporosis, a condition that weakens bones.

    NIH research Tulane University of Louisiana · New Orleans, United States · NIH-11118835

  • Multi-agent AI to annotate enzymes in the human gut microbiome

    A team at a major university will build an AI system that automatically curates and labels the functions of enzymes in the human gut microbiome to speed up understanding their health effects.

    NIH research University of South Florida · Tampa, United States · NIH-11594384

  • Mapping how gut bacteria transform drugs

    Scientists will study how the gut microbiome changes thousands of drugs into new forms, which could affect how well a medicine works or whether it causes side effects.

    NIH research Stanford University · Stanford, United States · NIH-11550022

  • Aflatoxin exposure and child growth in Guatemala

    A study in rural Guatemala will track how exposure to aflatoxin relates to growth and gut health in young children.

    NIH research Arizona State University-Tempe Campus · Scottsdale, United States · NIH-11513260

  • Gut bacteria that can make cancer immunotherapy less effective

    This project will see if reducing chronic inflammation driven by certain gut bacteria can help immunotherapy work better for people whose cancers have stopped responding.

    NIH research University of Tx Md Anderson Can Ctr · Houston, United States · NIH-11478145

  • How gut bacteria affect how cancer drugs work

    This project looks at how the bacteria in your gut might change how well and with what side effects fluoropyrimidine cancer drugs like 5-FU work in people.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11473234

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.
Last reviewed 2026-11-14 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.