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Does anesthesia type affect your brain after surgery? new study investigates

NCT ID NCT07637357

Knowledge-focused Sponsor: Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two common anesthesia methods—intravenous drugs and inhaled gases—to see how they affect thinking skills after sleeve gastrectomy (weight-loss surgery). Researchers will measure how quickly patients wake up and follow commands, and test their memory and attention over time. The goal is to find out if one method is better for protecting brain function in people with obesity.

What this could mean

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

Active substance
total intravenous anesthesia vs. inhalational anesthesia
What this could lead to
If it works, this could help doctors choose the best anesthesia method to protect thinking skills after obesity surgery.
What could go wrong
This is a small, early-stage study (60 people) that only looks at short-term effects. Results may not apply to other surgeries or patients.

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 60 people

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

Started

Sep 2025

Expected to finish

Jul 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

In a population of patient group who will undergo sleeve gastrectomy as bariatric surgery under general anesthesia in Sancaktepe Sehit Prof. Dr. Ilhan Varank Research and Training Hospital in Istanbul and who have passed the multidisciplinary council for bariatric surgery.

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 of both sexes, Patients Aged between 18 and 65 years, Patients classified as ASA(American Society of Anesthesiologists) physical status I- III, Patients with a BMI (Body Mass Index) between 35 and 50 kg/m² scheduled to undergo sleeve gastrectomy as a type of bariatric surgery for the first time. Exclusion Criteria: Patients classified as ASA physical status 4 or high, Patients with known allergy to any of the drugs used in the study, Patients with bleeding disorders, Patients with serum creatinine levels \>2 mg/dL, Patients with severe arrhythmias and EF\<30%, Patients with a known history of drug abuse are excluded.

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Conditions

The condition(s) this trial relates to.

Emergence Delirium obesity disorder Postoperative Cognitive Complications

As listed by the trial registrant

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

Bariatric sleeve gastrectomy Cognitive functions Delayed neurocognitive recovery Inhalational anesthesia Pocd - postoperative cognitive dysfunction Postoperative delirium Postoperative neurocognitive disorder Recovery time Total intravenous anesthesia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Şehit Prof. Dr. İlhan Varank Sancaktepe Training and Research Hospital

    RECRUITING

    Istanbul, Sancaktepe, 34785, Turkey (Türkiye)

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