New study links heart blood flow and body fat to exercise capacity in heart failure
NCT ID NCT04822649
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.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Korea University Anam Hospital
RECRUITINGSeoul, South Korea
Contact
Contact
Contact
Contact Email: •••••@•••••