New study links heart blood flow and body fat to exercise capacity in heart failure

NCT ID NCT04822649

Recruiting now Knowledge-focused Sponsor: Korea University Anam Hospital Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at how blood flow in the heart's small vessels and body composition (muscle vs. fat) affect exercise ability in people with a type of heart failure called HFpEF. Researchers will measure heart blood flow using ultrasound and body composition with a special scale, then compare these to exercise test results. The goal is to better understand what limits exercise in these patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help doctors better understand why some heart failure patients have limited exercise ability, potentially guiding more personalized treatment plans.
What could go wrong: This is an observational study, not a treatment trial, so it will not directly improve patient outcomes. Results may not apply to all heart failure patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

diastolic heart failure Frailty

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HEART FAILURE WITH PRESERVED EJECTION FRACTION (HFPEF)

Contacts and locations

Locations

Korea University Anam Hospital
RECRUITING

Seoul, South Korea

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