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New study tracks hidden organ damage after COVID-19

NCT ID NCT04736732

Knowledge-focused Sponsor: Emilia Falcone, MD Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 650 adults in Quebec to learn about the short- and long-term health problems caused by COVID-19, including damage to the heart, lungs, kidneys, and other organs. Participants include people who had mild, moderate, or severe COVID-19, as well as those who never had it. The goal is to better understand recovery and build a biobank for future research.

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

About 650 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2021

Expected to finish

Nov 2027

An estimate. End dates often move.

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

* Adults who have had a positive diagnosis of COVID-19. * Adults who have tested negative for COVID-19 * Adults with a history of acute flu-like illness

Ages

18 to 100 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Any gender, ≥ 18 years old * Current resident of Quebec * Speaks English or French * Have a personal email (to which to send reminders and questionnaire by email ) AND 1 of the following criteria: • Individuals with at least one COVID-19 positive PCR test, serology or antibody/antigen test in the last 60 months at day of recruitment. In the absence of a positive COVID-19 test, individuals with symptoms consistent with COVID-19 while living with a person who had a confirmed positive PCR, serology or antibody/antigen COVID-19 test in the last 60 months at day of recruitment (epidemiologic link). OR • Individuals who tested negative for COVID-19 while living with a household member who tested positive for COVID-19 or had a close contact with the viral infection in the context of their work, and never had any COVID-19 related symptoms (presumed COVID negative control group). OR • Individuals who don't have any COVID-19 related symptoms actually, have never had tested positive, and have had at least one negative PCR, serology or antibody/antigen COVID-19 test (presumed COVID negative control group). OR • Individuals with an undiagnosed viral infection in the last 60 months at day of recruitment and have persistent symptoms (or not) after the participant has recovered from a viral infection. Exclusion Criteria: * Any participant not deemed appropriate for enrollment according to the PI * Known pregnancy (female will not be automatically screened for pregnancy upon enrollment unless there is a possibility that they might be pregnant)

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Conditions

The condition(s) this trial relates to.

COVID-19 long COVID-19 post-COVID-19 disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID19 Long COVID

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Institut de Recherches Cliniques de Montreal

    RECRUITING

    Montreal, Quebec, H2W 1R7, Canada

More trials for these conditions

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