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Which nerve block eases back surgery pain better?

NCT ID NCT07517822

Symptom relief Sponsor: Ain Shams 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two types of nerve blocks—erector spinae plane block and quadratus lumborum block—for pain relief after lumbar spine surgery. Forty adults aged 18 to 65 will receive one of the blocks with a numbing medicine (bupivacaine) before surgery. The goal is to see which block provides better pain control and lasts longer, using a standard pain scale.

What this could mean

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

Active substance
bupivacaine
What this could lead to
If this trial succeeds, it could show which nerve block technique offers better pain control after back surgery, helping doctors choose the best option for patients.
What could go wrong
This is a small, early-phase study with only 40 participants, so results may not apply to everyone. The blocks may not work equally well for all 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.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

40 people

The number who actually took part.

Started

Dec 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.

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: * Aged between 18 and 65 years. * American Society of Anesthesiologists (ASA) physical status I to II. * Body mass index (BMI) less than 35 kg/m2. Exclusion Criteria: * Revision surgery. * More than three levels surgery. * Abnormal state of blood coagulation. * Chronic opioid consumption. * Local infection at the injection site). * Allergy to any involved medications. * Taking opioids within the past two weeks prior to surgery. * Time of surgery more than 4 hours.

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As listed by the trial registrant

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

Anaesthesia

Contacts and locations

Locations

  • AinShamsU

    Cairo, Cairo Governorate, 11511, Egypt

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