How branched-chain amino acids affect the failing heart

Branched chain amino acids in heart failure

NIH-funded research University of Pennsylvania · NIH-11248019

This research looks at whether increasing the body's breakdown of branched-chain amino acids can relax blood vessels and improve blood flow to the heart in people with heart failure.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11248019 on NIH RePORTER

What this research studies

You would be hearing about work that studies three common amino acids (leucine, isoleucine, valine) and how the body breaks them down. Researchers use laboratory and preclinical experiments to see if boosting this breakdown in smooth muscle cells makes blood vessels relax and increases blood flow to the heart muscle. They connect those changes in blood flow to heart function and symptoms. The findings are meant to guide new drug approaches that target this pathway.

Who could benefit from this research

Good fit: Ideal candidates would be people living with heart failure, especially those with reduced heart blood flow or elevated branched-chain amino acid levels.

Not a fit: People without heart failure or whose problems are unrelated to blood flow or vascular function are unlikely to get direct benefit from this work.

Why it matters

Potential benefit: If successful, this work could lead to new treatments that improve blood flow to the heart and reduce symptoms or hospital visits for people with heart failure.

How similar studies have performed: Previous animal and preclinical studies have suggested that activating BCAA breakdown helps heart failure, but the vascular mechanism is a newer finding and is still being clarified.

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.
Conditions Cancers
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.