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Which pain block works best for sleeve gastrectomy?

NCT ID NCT07591129

Symptom relief Sponsor: Antalya City Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests two different nerve blocks to see which one controls pain better after laparoscopic sleeve gastrectomy. Sixty adults having this weight-loss surgery will receive either an intertransverse process block or a subcostal transversus abdominis plane block. The goal is to find which block reduces pain scores and the need for opioid painkillers in the first 24 hours after surgery.

What this could mean

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

Active substance
nerve block (intertransverse process block or subcostal transversus abdominis plane block)
What this could lead to
If one block works better, it could lead to less pain and fewer opioids after weight-loss surgery.
What could go wrong
This is a small, early-stage trial with only 60 patients. Results may not apply to everyone, and both blocks carry small risks like bleeding or infection.

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.

Expected to start

Dec 2026

An estimate. Start dates often move.

Expected to finish

May 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: * Patients aged 18-65 years * ASA physical status I-III * Scheduled for elective laparoscopic sleeve gastrectomy * Body mass index (BMI) \>35 kg/m² * Ability to understand and use the patient-controlled analgesia (PCA) device * Ability to provide written informed consent Exclusion Criteria: * Refusal to participate * Allergy to local anesthetics * Infection at the injection site * Coagulopathy or ongoing anticoagulant therapy * Chronic opioid use or opioid dependence * Severe hepatic or renal insufficiency * Pregnancy or breastfeeding * Cognitive impairment or inability to communicate pain scores * Body mass index (BMI) \>35 kg/m²

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Conditions

The condition(s) this trial relates to.

obesity disorder Pain, Postoperative

As listed by the trial registrant

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

Intertransverse process block Postoperative pain Regional anaesthesia Sleeve gastrectomy Subcostal transverse abdominis plane block

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

  • Antalya Şehir Hastanesi

    Antalya, Turkey (Türkiye)

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