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Which nerve block wins the battle against chest surgery pain?

NCT ID NCT06653803

NEW Symptom relief Sponsor: Damanhour Teaching 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 21, 2026 · Last updated Sep 21, 2026

Summary

Thoracoscopic sympathectomy uses small incisions, but patients often have severe pain afterward. This trial compares two ultrasound-guided nerve blocks, the rhomboid intercostal block and the retrolaminar block, to see which one delays the need for additional pain medicine and lowers pain scores. Sixty adults having this surgery receive one of the two blocks during general anesthesia, and researchers track their pain for 24 hours.

What this could mean

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

Active substance
Two ultrasound-guided nerve block procedures: rhomboid intercostal block and retrolaminar block
What this could lead to
If one block controls pain longer, it could become the preferred approach for pain relief after keyhole chest surgery, reducing reliance on opioid painkillers.
What could go wrong
This is a small, single-center study of 60 patients, so the results may not apply to everyone. Nerve blocks carry small risks of bleeding, infection, or incomplete pain relief.

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

Aug 2026

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 60 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: * American Society of Anesthesiologists (ASA) physical status ≤ II * Age from 18 to 60 years * Body Mass Index (BMI) \< 35 kg/m² Exclusion Criteria: * American Society of Anesthesiologists (ASA) physical status \> II * Age \< 18 years or \> 60 years * Body Mass Index (BMI) ≥ 35 * Local infection at the puncture site * Altered mental status * Pregnant women * Allergy to study drugs * Chronic pain * Coagulation abnormalities or on anticoagulants * Severe hepatic or kidney disease

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

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

Post operative pain

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

  • Damanhour Teaching Hospital

    RECRUITING

    Damanhūr, El-Beheira, Egypt

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