How serotonin affects bone and muscle health

Serotonin and Skeletal Health

NIH-funded research Columbia University Health Sciences · NIH-11139611

This project looks at whether serotonin and common antidepressants change bone strength and muscle function in adults, especially older people.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColumbia University Health Sciences NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-11139611 on NIH RePORTER

What this research studies

If you take part, researchers will compare people who do and do not use SSRIs and measure bone using DXA and high-resolution peripheral CT scans, along with body composition and physical function tests. They will consider short-term versus long-term effects of SSRI use and look for links to fracture risk and muscle performance. The work builds on animal findings and earlier human imaging to try to clarify how serotonin pathways influence bone and falls risk. Participation would likely include clinic visits for scans and strength or mobility testing.

Who could benefit from this research

Good fit: Adults aged 21 and older, with particular interest in people 65 and over and those who are current or recent users of SSRIs, are the most relevant candidates for participation.

Not a fit: People under 21 or those whose bone problems are primarily due to unrelated causes (for example, genetic bone disorders or treatments like long-term glucocorticoids) may not see direct benefit from this project.

Why it matters

Potential benefit: If successful, this work could help doctors choose safer antidepressant approaches and strategies to protect bone and muscle in adults, especially older patients.

How similar studies have performed: Animal studies show clear serotonin effects on bone, and some human observational studies link SSRI use to higher fracture risk, but human results have been mixed so this approach is promising but not yet proven.

Where this research is happening

New York, 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.