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Can a simple bypass stop reflux after Weight-Loss surgery?

NCT ID NCT07537244

Disease control Sponsor: Clinica Gastrobese 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether adding a small bypass (gastroenteroanastomosis) to the standard sleeve gastrectomy can prevent or reduce acid reflux in people with obesity. Sixty patients will be split into two groups: one gets the added bypass, the other does not. Researchers will check for reflux using endoscopy, pH monitoring, and symptom questionnaires during follow-up.

What this could mean

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

Active substance
gastroenteroanastomosis (GEA) added to vertical sleeve gastrectomy
What this could lead to
If it works, this could point toward a surgical technique that reduces acid reflux after weight-loss surgery, improving patient comfort and outcomes.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply to everyone. The added procedure also carries surgical risks like leakage or narrowing.

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 60 people

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

Started

Feb 2023

Expected to finish

Apr 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

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: * All VSG candidate patients aged \>18 and \<65 years and BMI≥ 35 and BMI≤50 who agree to participate in the study Exclusion Criteria: * Presence of reflux esophagitis according to the Lyon Consensus * Previous gastric surgery * Esophagus' motor diseases * Development of chronic diseases associated with the use of medications such as chemotherapy, anti-rheumatics, etc. * Patients who fail to undergo the study exams during follow-up or who withdraw the informed consent form (TCLE) at any time during the study

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Conditions

The condition(s) this trial relates to.

gastroesophageal reflux disease Obesity obesity disorder

As listed by the trial registrant

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

Obesity Reflux, gastroesophageal

Contacts and locations

Locations

  • Gastrobese Clinic

    Passo Fundo, Rio Grande do Sul, 99020000, Brazil

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