Understanding Serotonin's Role in Mitral Valve Health and Repair

Serotonin Signaling in Mitral Valve Homeostasis, Maintenance and Restoration

NIH-funded research Children's Hosp of Philadelphia · NIH-11224461

This project looks at how a chemical called serotonin affects the heart's mitral valve, hoping to find new ways to treat a common valve problem.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionChildren's Hosp of Philadelphia NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11224461 on NIH RePORTER

What this research studies

Millions of people suffer from mitral regurgitation, a heart valve condition that currently has no medication to stop its progression, often requiring surgery. Our team is exploring how serotonin, a natural body chemical, and its related proteins, like the serotonin transporter (SERT), contribute to this valve disease. We've found that SERT levels are lower in diseased human mitral valves, which might lead to too much serotonin activity. We are also studying how mechanical stress on valve cells and certain medications might worsen the condition by affecting serotonin pathways. The goal is to uncover new drug targets that could prevent or slow down mitral valve damage.

Who could benefit from this research

Good fit: Patients with mitral regurgitation, especially those whose condition might be influenced by serotonin pathways or certain medications, could potentially benefit from future treatments developed from this research.

Not a fit: Patients whose mitral valve disease is not related to serotonin signaling or who require immediate surgical intervention may not directly benefit from this specific research direction.

Why it matters

Potential benefit: If successful, this work could lead to the first medications to prevent or slow the progression of mitral regurgitation, potentially reducing the need for surgery.

How similar studies have performed: Previous clinical and biological evidence from this and other groups has already shown a direct link between serotonin signaling and heart valve disease.

Where this research is happening

Philadelphia, 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.