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Bariatric surgery under the microscope: what happens years later?

NCT ID NCT02310178

Knowledge-focused Sponsor: University Hospital, Montpellier 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 750 severely or morbidly obese patients who have undergone bariatric surgery at a single hospital in France. Researchers aim to track long-term weight loss and improvements in related health issues such as diabetes and high blood pressure. By observing real-world outcomes, the study may help shape future clinical trials on the impact of bariatric procedures.

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 research could help doctors understand which bariatric procedures work best for long-term weight loss and improvement of related conditions like diabetes and high blood pressure.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may vary based on patient differences and surgical techniques.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 750 people

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

Started

May 2012

Expected to finish

Dec 2028

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.

Ages

15 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.

Inclusion Criteria: * Only be considered in patients operated and followed at CHU Montpellier with bariatric surgery * Patients treated by bariatric surgery on CHU Montpellier * Agreed to participate to the study by signing an informed consent * Eligible to health insurance Exclusion Criteria: * Unable to follow the patient in the long term (foreign patients, surgical use ...) * Inability to follow in the long run

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Conditions

The condition(s) this trial relates to.

morbid obesity Weight Loss

As listed by the trial registrant

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

Bariatric surgery candidate Obesity, morbid

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

  • CHRU - Hôpital Saint Eloi

    RECRUITING

    Montpellier, 34295, France

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