Scientists hunt for long COVID fingerprints in the brain and blood

NCT ID NCT06528171

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks for specific signs of long COVID in the brain and blood. Researchers will compare people with and without long COVID symptoms using brain scans and blood tests. The goal is to find objective markers that could help doctors diagnose long COVID more reliably.

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 lead to a diagnostic test for long COVID, helping doctors identify and monitor the condition more accurately.

What could go wrong

This is an observational study, not a treatment trial. It may not find clear biomarkers, and results may not apply to all long COVID patients.

Disclaimer Read more

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.

long COVID-19 post-COVID-19 disorder

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • CHU de NICE

    RECRUITING

    Nice, 06200, France

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••