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Massive study reveals how sleeve gastrectomy holds up over time

NCT ID NCT07280845

Knowledge-focused Sponsor: Linkoeping University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at nearly 20,000 people in Sweden who had sleeve gastrectomy surgery for severe obesity. Researchers analyzed registry data to see how much weight patients lost, how long they kept it off, and whether related health problems like diabetes improved or went away. They also tracked complications and how often patients needed a second surgery. The goal is to give doctors and patients a clearer picture of what to expect in the long run.

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 provide clear, real-world data on how well sleeve gastrectomy works over many years for different levels of obesity.
What could go wrong
This is an observational study of past surgeries, not a controlled trial. It cannot prove cause and effect, and results may not apply to all patient groups.

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

19,977 people

The number who actually took part.

Started

Jan 2012

Finished

Oct 2024

Lead sponsor

A government agency

The lead sponsor is a government body.

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 in Sweden operated with the bariatric techniqu sleeve gastrectomy between 1 Jan 2012 and 31 of Oct 2024

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.

Inclusion Criteria: * All patients undergoing sleeve gastrectomy in Sweden from 1 Jan 2012 * Being registered in the national quality register SOReg Exclusion Criteria: * Previously undergone bariatric surgery * Sleeve gastrectomy as a planned two staged intervention

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Conditions

The condition(s) this trial relates to.

morbid obesity Obesity

As listed by the trial registrant

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

Severe obesity Sleeve gastrectomy

Contacts and locations

Locations

  • Dept of Surgery, Vrinnevi hospital

    Linköping, S-581 83, Sweden

More trials for these conditions

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