Understanding the immune response in COVID-19 patients in intensive care
Official title: Study of the Kinetics of the Immune Response During the Intensive Care Unit Stay in Adult Patients Infected With SARS-CoV-2: Multicentric Non Interventional Study
Run by Hospices Civils de Lyon · NCT04392401 · Data updated 2026-11-12
This study looks at how the immune system reacts in adults with severe COVID-19 who are in intensive care to help improve future treatments.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 200 (estimated) |
| Sponsor | Hospices Civils de Lyon Academic / other |
| Locations | 8 sites (Bron and 7 other locations) |
| Status | Recruiting |
| Started | May 11, 2020 |
| Main results expected | April 2026 |
| Study ends | April 2026 |
| Registry record updated | December 17, 2025 |
| Trial ID | NCT04392401 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 18 and over who are hospitalized in intensive care for SARS-CoV-2 pneumonia.
✕Probably not a fit
Patients who are pregnant, lactating, or under legal protection will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study aims to analyze the immune response kinetics in adult patients hospitalized in intensive care due to SARS-CoV-2 infection. By collecting blood samples within the first 24 hours of ICU admission, researchers will create a biocollection to better understand the inflammatory response and potential immunosuppression associated with COVID-19. The study seeks to fill the knowledge gap regarding the immune dynamics of critically ill COVID-19 patients, which could inform future treatment strategies.
Why it matters
Potential benefit: If successful, this study could lead to improved understanding of immune responses in COVID-19 patients, potentially guiding better treatment protocols.
How similar studies have gone: While there have been studies on COVID-19 immune responses, this specific approach of detailed kinetic analysis in ICU settings is novel and has not been extensively tested.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Man or woman aged 18 or over, 2. Hospitalization in intensive care for Sars-Cov-2 pneumopathy, 3. First hospitalization in intensive care unit, 4. Positive diagnosis of SARS-CoV2 infection carried out by PCR or by another approved method in at least one respiratory sample, 5. Sampling in the first 24 hours after admission to intensive care unit (D0 / D1) feasible, 6. Patient or next of kin who has been informed of the terms of the study and has not objected to participating. Exclusion Criteria: 1. Pregnant or lactating woman, 2. Person placed under legal protection,
Where it's running
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Hôpital Pierre Wertheimer
Bron, France Recruiting -
Hôpital Edouard Herriot
Lyon, France Recruiting -
Hôpital Edouard Herriot
Lyon, France Recruiting -
Hôpial de la Croix Rousse
Lyon, France Recruiting -
Hôpital Lyon Sud
Pierre-Bénite, France Recruiting -
Hôpital Gabriel Montpied
Clermont-Ferrand, France Not yet recruiting
Show 2 more locations
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Centre hospitalier universitaire de Grenoble Alpes
Grenoble, France Not yet recruiting -
CH de St Etienne
Saint-Etienne, France Not yet recruiting
Study contacts
- Principal investigator: Fabienne VENET — Hospices Civils de Lyon
- Study coordinator: Fabienne VENET
- Email: fabienne.venet@chu-lyon.fr
- Phone: 4 72 11 97 46
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.