Blood test may unlock long COVID secrets
NCT ID NCT05758480
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study took blood samples from 62 people with Long COVID and compared them to healthy controls. Researchers looked for specific immune and metabolic patterns that might explain why symptoms persist. The goal is to better understand Long COVID, not to test a treatment.
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 could help identify biological markers that define Long COVID, potentially leading to better diagnosis and future treatments.
What could go wrong
This is a small, observational study that only looks for patterns in blood samples. It does not test any treatment, so it may not directly lead to new therapies.
Disclaimer
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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.
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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Angers University Hospital
Angers, 49933, France