NIH-funded research R03 grant

FAM3D's role in reducing heart scarring in heart failure

Official title: Regulation of Cardiac Fibrosis in Heart Failure by the Cytokine FAM3D

Funded at Massachusetts General Hospital · NIH-11252623 · Data updated 2026-11-12

This project looks at whether the protein FAM3D can reduce inflammation and scarring in adults with heart failure.

More Heart Failure research and trials

Quick facts

Grant typeR03 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital
NIH-funded
Lab location1 site (Boston, United States)
Project startJanuary 1, 2025
Project endNovember 30, 2026
Funding year2026
Award (this year)$125,250
NIH project number5R03HL177119-02
Project IDNIH-11252623 on NIH RePORTER

Who could benefit from this research

Could help

Adults with heart failure or a history of heart attack would be the most relevant group for this research.

Less likely to help

People without heart disease or whose heart failure is due to causes unrelated to fibrosis may not benefit directly from these findings.

What this research studies

Researchers at Massachusetts General Hospital will study a protein called FAM3D that was found at higher levels in patients who had better heart healing after a heart attack. They will combine analysis of patient blood samples with lab studies on cardiac fibroblast cells and tests in animal models to see how FAM3D affects inflammation and fibrosis. The team will examine whether increasing FAM3D activity can limit fibroblast activation and reduce scar tissue formation in the heart. Findings are intended to explain how exercise-related benefits may work and to guide development of new therapies for heart failure.

Why it matters

Potential benefit: If successful, this work could point to new ways to reduce heart scarring and improve heart function for people with heart failure.

How similar studies have gone: Early patient-sample observations and animal experiments suggest FAM3D can protect the heart and limit damage, but direct human treatments based on this approach are still novel.

Where this research is happening

  • Massachusetts General Hospital
    Boston, United States
    Active

Researchers

  • Principal investigator: Rhee, James — Massachusetts General Hospital
  • Study coordinator: Rhee, James

Related research

Other NIH-funded projects on the same topics.

  • Epigenetic clues to stop heart scarring and failure

    A patient-focused look at how turning off specific epigenetic signals may reduce heart scarring and improve heart function in people with heart failure.

    NIH research J. David Gladstone Institutes · San Francisco, United States · NIH-11415521

  • 15-PGDH–Related Breakthrough for Heart Fibrosis and Diastolic Heart Failure

    A heart-disease study tests whether blocking a specific enzyme can reduce scar tissue in the heart and improve heart function in adults with conditions like hypertension and metabolic disease.

    NIH research University of Colorado Denver · Aurora, UNITED STATES · NIH-11334407

  • Investigating how a specific enzyme affects heart tissue scarring and heart failure.

    This study is looking at how a specific enzyme affects heart scarring and stiffness, and it aims to find ways to stop this process to help people with heart failure feel better and improve their heart function.

    NIH research University of Colorado Denver · Aurora, UNITED STATES · NIH-11134751

  • How a specific cytokine affects heart failure and cardiac fibrosis

    This study is looking at a substance called FAM3D to see how it affects heart failure, especially in reducing heart damage and inflammation, and it aims to find new ways to help people with heart problems feel better.

    NIH research Massachusetts General Hospital · Boston, United States · NIH-11034204

  • Investigating how AEBP1 contributes to heart tissue scarring after injury

    This study is looking at a protein called AEBP1 to see how it affects heart healing after injury, with the hope of finding new treatments to help people recover better from heart problems.

    NIH research VA Salt Lake City Healthcare System · Salt Lake City, United States · NIH-11003655

  • AI-supported heart failure diagnosis and management in Rwanda

    Aiming to help people with suspected heart failure in Rwanda get faster, more accurate diagnoses and better care using AI-guided ultrasound and care protocols.

    NIH research Boston Medical Center · Boston, United States · NIH-11625877

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.