Massive study reveals COVID-19 risks for autoimmune patients
NCT ID NCT04353609
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at over 13,000 people with chronic inflammatory rheumatism or autoimmune diseases who had or were suspected to have COVID-19. Researchers tracked how many developed severe COVID-19 requiring intensive care or leading to death. They also examined risk factors like diabetes and obesity. The goal is to better understand and protect this vulnerable group.
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 identify which patients with autoimmune diseases are at highest risk for severe COVID-19, leading to better protection and care.
- What could go wrong
- This is an observational study, not a treatment trial, so it cannot prove cause and effect. Results may not apply to all patient groups or future virus variants.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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13,770 people
The number who actually took part.
- Started
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Apr 2020
- Finished
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Dec 2020
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
All patients with chronic inflammatory rheumatism, auto-immune or auto-inflammatory rare and non-rare diseases with proven SARS-Cov-2 infection (COVID-19) taken care in hospital or in private practice by rheumatologist, internist or pediatrician working in both hospital and private practice activities
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * All patients, children and adults * Patients with known chronic inflammatory rheumatism, auto-immune or auto-inflammatory rare and non-rare diseases with proven/suspected SARS-Cov-2 infection (COVID-19) (by biological data (serological or positive Cov-2 PCR) or CT scan images or clinical observations consistent with covid-19) Exclusion Criteria: * patients opposed to the use of their data * patients under guardianship, protected persons
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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
Locations
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Hôpital Huriez
Lille, 59037, France
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