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Scientists dig into Obesity's secrets with tissue samples

NCT ID NCT03538210

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study collected blood, stomach, liver, intestine, and fat tissue from 360 severely obese patients undergoing bariatric surgery. The goal was to better understand how obesity and surgery affect the body, especially the digestive system. Researchers hope this knowledge will lead to improved obesity treatments and alternatives to surgery.

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 point toward new treatments for obesity that don't require surgery.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly help patients. The findings may not lead to new therapies.

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

360 people

The number who actually took part.

Started

Feb 2018

Finished

Mar 2026

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

severe obese subjects operated for bariatric surgery or reoperated for complication

Ages

18 to 65 years

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: * severe obese subject with BMI above35 kg/m2, age above 18 ans who accept to participate * candidate for bariatric surgery according to HAS criteria * who will undergo either sleeve gastrectomy or gastric bypass * or who undergoesa revisional surgery for a complication of bariatric surgery * or who undergoes arevisional sugery fir insufficient weight loss * covered by an health insurance Exclusion Criteria: * psychiatric disease or undertanding disorder * alchool abuse or other addiction * organ failure (including liver, heart or kidney) * chronic life-threatening illness * inflamatory disease or immunosuppressive treatment

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Conditions

The condition(s) this trial relates to.

fatty liver disease morbid obesity Obesity

As listed by the trial registrant

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

Bariatric surgery Severe obesity Surgical failure

Contacts and locations

Locations

  • Hôpital Lousi Mourier (HUPNVS)

    Colombes, Île-de-France Region, 92700, France

More trials for these conditions

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