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Nerve block showdown: which technique spares kids from opioids after surgery?

NCT ID NCT07711496

Symptom relief Sponsor: Istanbul University - Cerrahpasa Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 17, 2026 · Last updated Jul 17, 2026

Summary

This trial compares two ultrasound-guided nerve blocks—anterior quadratus lumborum block and retrolaminar block—for pain relief in children aged 6 months to 12 years undergoing lower urogenital surgery. Both blocks use the numbing medicine bupivacaine. The study measures how much extra pain medicine is needed in the first 24 hours after surgery, along with pain scores and side effects. The goal is to find which block provides better pain control and reduces opioid use.

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 blocks: anterior quadratus lumborum block and retrolaminar block, both using bupivacaine
What this could lead to
If one block proves better, it could become the standard for pain control in children after lower urogenital surgery, reducing opioid needs and speeding recovery.
What could go wrong
This is a small, single-center trial, so results may not apply to all hospitals or surgeries. Both blocks are already used, so the difference may be small or not clinically meaningful.

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 76 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Sep 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

6 months to 12 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: * Age between 6 months and 12 years * Scheduled for lower abdominal urogenital surgery (e.g., inguinal hernia repair or orchiopexy for undescended testis) * American Society of Anesthesiologists physical status classification I-III * Written informed consent obtained from a parent or legal guardian Exclusion Criteria: * History of allergy to local anesthetic agents * Presence of infection at the planned injection site * Coagulopathy or any other condition contraindicating regional anesthesia * Planned laparoscopic orchiopexy * American Society of Anesthesiologists physical status classification IV * Inability to obtain informed consent from a parent or legal guardian * Anticipated requirement for postoperative intensive care unit admission

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As listed by the trial registrant

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

Pediatric postoperative pain Pediatric regional anesthesia Retrolaminar block

How to take part

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  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

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Contacts and locations

Locations

  • Istanbul University-Cerrahpasa, Cerrahpasa Medicine of Faculty

    Bakırköy, Istanbul, 34153, Turkey (Türkiye)

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