NIH-funded research R01 grant

Using gut bacteria to help treat muscle loss

Official title: Using the gut microbiome to treat skeletal muscle atrophy

Funded at University of Kentucky · NIH-11073142 · Data updated 2026-11-12

This study is looking at how the bacteria in our gut can affect muscle health, especially for people who have lost muscle strength due to not being active, getting older, or being sick, and it hopes to find new ways to help muscles recover and grow better, even if someone can't exercise much.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Kentucky
NIH-funded
Lab location1 site (Lexington, United States)
Project startFebruary 1, 2025
Project endJanuary 31, 2030
Funding year2025
Award (this year)$458,907
NIH project number1R01AR084282-01A1
Project IDNIH-11073142 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include adult women experiencing muscle atrophy due to aging, disuse, or conditions like cancer cachexia.

Less likely to help

Patients who are not experiencing muscle atrophy or those with conditions unrelated to muscle health may not benefit from this research.

What this research studies

This research investigates how the gut microbiome, the collection of bacteria in our intestines, can influence muscle health, particularly in cases of muscle atrophy caused by disuse, aging, or disease. The approach involves studying the effects of gut bacteria on muscle mass and strength, especially when combined with resistance exercise. By understanding the relationship between gut health and muscle function, the research aims to develop new treatments that could enhance muscle recovery and growth, even for those unable to exercise effectively.

Why it matters

Potential benefit: If successful, this research could lead to innovative treatments that help patients regain muscle strength and mass, improving their overall health and quality of life.

How similar studies have gone: Previous studies have shown promising results in understanding the gut microbiome's role in muscle health, indicating that this approach could lead to significant advancements in treatment.

Where this research is happening

  • University of Kentucky
    Lexington, United States
    Active

Researchers

  • Principal investigator: Mccarthy, John Joseph — University of Kentucky
  • Study coordinator: Mccarthy, John Joseph

Related research

Other NIH-funded projects on the same topics.

  • Gut bacteria therapy for muscle wasting

    This project tests whether changing gut bacteria can help prevent or reverse muscle wasting in people with cancer-related cachexia or disuse atrophy.

    NIH research University of Kentucky · Lexington, United States · NIH-11264924

  • Understanding how gut bacteria affect muscle loss after sepsis

    This study is looking at how the bacteria in your gut might affect muscle loss after a serious infection called sepsis, and it's for people who are recovering from this condition to help find ways to keep their muscles healthy.

    NIH research University of Iowa · Iowa City, United States · NIH-11062387

  • 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

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.