2,300 COVID survivors join quest to unravel long COVID mysteries

NCT ID NCT05531773

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study follows 2,300 adults who had COVID-19 to learn why some develop long-term symptoms like fatigue, brain fog, or organ damage. Researchers will review medical records and track participants over time. The goal is to find patterns and predictors of post-COVID condition, which could improve care and prevention.

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 predict who will develop long COVID and identify ways to prevent or manage it.
What could go wrong
This is an observational study, not a treatment trial. It can show links but cannot prove causes, and results may not apply to all populations.

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

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for COVID-19 are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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

Study contacts

  • Contact

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

  • Contact

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

Locations

  • ASST Santi Paolo e Carlo

    RECRUITING

    Milan, Lombardy, Italy

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

  • Centro Hospitalar de Lisboa Ocidental

    RECRUITING

    Lisbon, Portugal

    Contact Email: •••••@•••••

  • Policlinico "Tor Vergata", Università degli Studi di Roma TOR VERGATA

    RECRUITING

    Rome, Lazio, Italy

    Contact Email: •••••@•••••

  • Regional Hospital Dr. Juan Graham Casasús

    RECRUITING

    Villahermosa, Tabasco, Mexico

    Contact Email: •••••@•••••

  • St. Mary Hospital, Imperial College Healthcare NHS Trust

    RECRUITING

    London, United Kingdom

    Contact Email: •••••@•••••

  • University Hospital Heinrich Heine

    RECRUITING

    Düsseldorf, Germany

    Contact Email: •••••@•••••

  • Vilnius University Hospital, Santaros Klinikos

    RECRUITING

    Vilnius, Lithuania

    Contact Email: •••••@•••••

More trials for these conditions

Other studies related to the condition(s) this trial covers.