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Can adding ketamine to anesthesia cut opioid use after Weight-Loss surgery?

NCT ID NCT07135154

Symptom relief Sponsor: Balikesir 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested two anesthesia approaches for gastric sleeve surgery in 96 patients. One group received standard opioids, while the other also got ketamine. Researchers measured how much opioid pain medicine patients needed after surgery and their pain levels. The goal was to see if adding ketamine could reduce opioid use and side effects.

What this could mean

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

Active substance
ketamine
What this could lead to
If this approach works, it could point toward a way to reduce opioid use and improve pain control after gastric sleeve surgery.
What could go wrong
This is a small, completed study with 96 participants. Results may not apply to all patients or surgeries, and ketamine can have side effects like dizziness or confusion.

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

96 people

The number who actually took part.

Started

Jun 2024

Finished

Feb 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

Those who have undergone gastric sleeve surgery in the general surgery operating room at Balıkesir University Hospital

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: Patients who have undergone gastric sleeve surgery Patients with mild systemic disease Patients with severe systemic disease that does not affect daily activities Exclusion Criteria: Those with data loss in their files Those who do not use patient-controlled analgesia devices Patients who did not undergo standard anesthesia protocol

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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.

General anesthetic Ketamine Obesity & overweight

Contacts and locations

Locations

  • Balıkesir University Health Practice and Research Hospital

    Balıkesir, Turkey (Türkiye)

More trials for these conditions

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