Understanding why some patients struggle with exercise despite having normal heart function.

Characterization of Mechanisms of Exercise Intolerance in Patients at Risk for Heart Failure with Preserved Ejection Fraction

NIH-funded research University of Texas Hlth Ctr at Tyler · NIH-11041039

This study is looking at why some people at risk for heart failure have trouble exercising and doing everyday activities, especially as they get older, and it aims to find ways to help them feel better and move more easily.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Ctr at Tyler NIH-funded
Lab location1 site (Tyler, United States)
Project IDNIH-11041039 on NIH RePORTER

What this research studies

This research investigates the mechanisms behind exercise intolerance in patients who are at risk for heart failure with preserved ejection fraction (HFpEF). It aims to identify how age-related changes and other factors affect the ability to perform daily activities and exercise. The study involves comprehensive exercise testing and analysis of biological markers in a diverse group of participants. By understanding these mechanisms, the research seeks to improve exercise tolerance and overall health outcomes for these patients.

Who could benefit from this research

Good fit: Ideal candidates include adults over 21 years old who experience difficulty with exercise or daily activities and are at risk for heart failure with preserved ejection fraction.

Not a fit: Patients who do not have any risk factors for heart failure or those who are unable to participate in exercise testing may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better strategies for improving exercise capacity and quality of life for patients at risk of heart failure.

How similar studies have performed: Previous research has shown promising results in understanding exercise intolerance in heart failure patients, indicating that this approach has potential for success.

Where this research is happening

Tyler, 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 2026-06-15 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.