Scientists probe immune system in severe COVID-19 to find new clues
NCT ID NCT04392401
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study follows 200 adults with COVID-19 in intensive care to see how their immune systems change over time. Researchers will collect blood samples at several points during the hospital stay and track health outcomes. The goal is to understand why some patients get worse and to find new ways to treat or prevent severe illness.
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 new treatments and biological markers to better manage COVID-19 in intensive care.
What could go wrong
This is an observational study, not testing a treatment. It may not directly lead to new therapies, and results may not apply to all patients.
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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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CH de St Etienne
NOT_YET_RECRUITINGSaint-Etienne, 42055, France
Contact
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Centre hospitalier universitaire de Grenoble Alpes
NOT_YET_RECRUITINGGrenoble, 38043, France
Contact
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Hôpial de la Croix Rousse
RECRUITINGLyon, 69004, France
Contact
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Hôpital Edouard Herriot
RECRUITINGLyon, 69003, France
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Hôpital Edouard Herriot
RECRUITINGLyon, 69003, France
Contact
Contact
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Hôpital Gabriel Montpied
NOT_YET_RECRUITINGClermont-Ferrand, 63000, France
Contact
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Hôpital Lyon Sud
RECRUITINGPierre-Bénite, 69310, France
Contact
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Hôpital Pierre Wertheimer
RECRUITINGBron, 69500, France
Contact