Understanding Muscle Loss in Pulmonary Arterial Hypertension

Unraveling the systemic manifestations of pulmonary arterial hypertension on lean muscle mass

NIH-funded research University of Pennsylvania · NIH-11192240

This project aims to understand why people with pulmonary arterial hypertension (PAH) often lose muscle mass and how this affects their health.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11192240 on NIH RePORTER

What this research studies

We know that pulmonary arterial hypertension (PAH) can affect many parts of the body, and our early findings show that many patients also experience muscle loss. This muscle loss can make it harder to be active and may lead to worse health outcomes. Our project will look closely at patients with PAH to understand the specific characteristics of those who have low muscle mass. We will also explore how fat tissue might contribute to this muscle loss and how it impacts a patient's quality of life and physical activity.

Who could benefit from this research

Good fit: Ideal candidates for this research would be patients diagnosed with pulmonary arterial hypertension, particularly those experiencing or at risk of low lean muscle mass.

Not a fit: Patients without pulmonary arterial hypertension or those not experiencing muscle loss may not directly benefit from this specific research.

Why it matters

Potential benefit: This work could help us better understand the causes of muscle loss in PAH, potentially leading to new ways to improve strength and overall well-being for patients.

How similar studies have performed: While muscle loss is recognized in other chronic conditions, its specific causes and impact in pulmonary arterial hypertension have not been thoroughly explored, making this a novel area of focus.

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.