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Massive study reveals COVID-19 risks for autoimmune patients

NCT ID NCT04353609

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

13,770 people

The number who actually took part.

Started

Apr 2020

Finished

Dec 2020

Lead sponsor

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Show 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

  • Hôpital Huriez

    Lille, 59037, France

More trials for these conditions

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