Could damaged lung vessels explain long COVID breathlessness?
NCT ID NCT05374577
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study looks at whether problems with blood vessels in the lungs cause ongoing shortness of breath in people who had COVID-19. Researchers will use heart and lung tests, including exercise and imaging, in 200 adults. The goal is to better understand why some people feel breathless long after their infection clears.
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 people feel short of breath long after COVID-19, pointing toward better diagnosis and future treatments.
What could go wrong
This is an observational study, not a treatment trial. It will not directly help participants and may not find clear causes due to the complexity of long COVID.
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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Locations
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Natascha Sommer
Giessen, Germany