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Massive biobank aims to unlock secrets of obesity

NCT ID NCT07472608

Knowledge-focused Sponsor: Institut universitaire de cardiologie et de pneumologie de Québec, University Laval Source: ClinicalTrials.gov ↗

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 will gather medical data and blood samples from up to 25,000 adults with obesity who visit a special clinic. Researchers hope to learn more about why obesity happens, what treatments work best, and how to improve patients' health. No new treatments are being tested; instead, the information will be used for many future research projects.

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 25,000 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Jun 2051

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

Patient starting follow-up at the Bariatric Medicine Clinic of the IUCPQ-ULaval.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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.

To be included in the registry (database + biobank), a person must first be referred to the Bariatric Medicine Clinic at the IUCPQ-ULaval and meet several criteria: 1. Be over 18 years of age 2. Meet at least one of the following five criteria: 1. Body mass index ≥30 kg/m2 with or without comorbidities (preclinical or clinical obesity); 2. Require weight loss related to a transplant, bariatric surgery, or another type of surgery (e.g., hernia repair, orthopedic surgery, neurosurgery, etc.); 3. History of bariatric surgery resulting in weight regain of at least 15% of the total weight lost; 4. History of bariatric surgery resulting in weight loss deemed insufficient by the treating medical team; 5. Having undergone bariatric surgery with complications related to it (i.e., flushing syndrome or hypoglycemia, nephrolithiasis, return of comorbidities in remission, abnormalities in phosphocalcic balance and vitamin deficiencies).

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Conditions

The condition(s) this trial relates to.

metabolic disease Obesity obesity disorder

As listed by the trial registrant

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

Health Metabolic abnormalities Obesity

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

  • Centre de recherche de l'Institut universitaire de cardiologie et de pneumologie de Québec

    Québec, Quebec, G1V 4G5, Canada

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