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8 years after Weight-Loss surgery: who keeps the weight off?

NCT ID NCT07348822

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study follows 20 people who had sleeve gastrectomy about 8 years ago to see how their weight, body measurements, and health markers have changed. Researchers compare current data with measurements taken before surgery and 6 months after. The goal is to understand long-term weight loss success and what factors might influence it.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
sleeve gastrectomy surgery
What this could lead to
If successful, this study could reveal which factors help people maintain weight loss long after sleeve gastrectomy, guiding better follow-up care.
What could go wrong
This is a small observational study with only 20 participants, so results may not apply to everyone. It does not test a new treatment, only observes past outcomes.

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 20 people

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

Started

Jun 2025

Expected to finish

Mar 2026

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

The study population includes adults aged 18-65 years who underwent sleeve gastrectomy approximately eight years prior to enrollment and completed standard postoperative follow-up. Participants had available preoperative and 6-month postoperative anthropometric, biochemical, and nutritional data and were re-evaluated at 8 years after surgery to assess long-term outcomes.

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: * Adults aged 18-65 years * Patients who underwent sleeve gastrectomy approximately 8 years prior to study enrollment * Patients with available postoperative follow-up data at 6 months, including anthropometric measurements, biochemical parameters, and nutritional status assessments * Patients willing to participate in long-term follow-up and attend in-person evaluations Exclusion Criteria: * Pregnancy or lactation * Presence of acute illness or active infection at the time of evaluation * Presence of acute illness, infection, or comorbid conditions that may limit study safety or validity, including malignancy, type 1 diabetes mellitus, renal or hepatic failure, recent stroke or myocardial infarction, nephrolithiasis, drug or alcohol abuse, eating disorders, severe depression or other major psychiatric disorders, inflammatory bowel disease, cardiac arrhythmias or heart failure, respiratory failure, or chronic systemic corticosteroid therapy. * Professional athletes

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

Obesity & overweight Sleeve gastrectomy

Contacts and locations

Locations

  • Mudanya Univesity

    Bursa, Mudanya, Turkey (Türkiye)

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