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Two nerve blocks go head to head for bariatric surgery pain

NCT ID NCT07811206

Symptom relief Sponsor: Atlas 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time

Summary

Researchers compare two regional nerve block techniques with standard pain relief in adults having laparoscopic sleeve gastrectomy for obesity. The paragastric nerve block targets visceral pain, while the erector spinae plane block is given at the T6 level of the spine. Seventy-two participants are randomly assigned to one of the three approaches. The trial measures pain scores over the first 24 hours after surgery, along with opioid use, nausea, and any block-related complications.

What this could mean

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

Active substance
nerve blocks using the local anesthetic bupivacaine, compared with standard pain relief
What this could lead to
If one block works better, it could give surgeons a clearer choice for easing pain after sleeve gastrectomy and reducing reliance on opioid painkillers.
What could go wrong
This is a small, single-center study of 72 people, so the results may not apply to all patients or hospitals. Nerve blocks can fail, wear off unevenly, or cause rare complications such as 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 72 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Oct 2027

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

Accepted

You do not need to have the condition being studied to take part.

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: - Age between 18 and 65 years Scheduled for elective Sleeve Gastrectomy surgery Classified as ASA physical status II-III Body mass index (BMI) ≥30 kg/m² with obesity-related comorbidities or BMI ≥40 kg/m² Willing to participate in the study and has provided written informed consent Exclusion Criteria: * Known allergy or hypersensitivity to local anesthetic agents Allergy or contraindication to paracetamol or NSAIDs Coagulopathy or current anticoagulant therapy Infection or skin lesions at the site of block application Chronic pain syndrome Chronic opioid use, opioid dependence, or use of gabapentin/pregabalin Previous upper gastrointestinal surgery Moderate to severe renal impairment (eGFR \<60 mL/min/1.73 m²) Moderate to severe liver disease (Child-Pugh B-C or active hepatic disease) Planned additional surgical procedures Inability to assess pain using VAS Refusal to participate in the study

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Conditions

The condition(s) this trial relates to.

obesity disorder

As listed by the trial registrant

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

Obesity morbid obesity postoperative pain Obesity postoperative pain

How to take part

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  1. The official record

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

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