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Two nerve blocks go Head-to-Head for kidney stone surgery pain

NCT ID NCT06131151

Symptom relief Sponsor: Assiut 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time

Summary

Researchers compare two ultrasound-guided nerve blocks to see which better controls pain after percutaneous nephrolithotomy, a surgery to remove kidney stones. Adults aged 18 to 65 scheduled for this operation receive either an external oblique intercostal block or an erector spinae plane block, both using bupivacaine with adrenaline. The study measures how long it takes until patients need additional pain relief and tracks their pain scores at rest and when coughing.

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 using bupivacaine with adrenaline: external oblique intercostal block and erector spinae plane block
What this could lead to
If one block works better, it could become the preferred pain relief method after percutaneous nephrolithotomy, helping patients recover with less discomfort.
What could go wrong
This is a small, single-center study of 54 people. Results may not apply to everyone, and nerve blocks can fail or cause temporary numbness or weakness.

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

54 people

The number who actually took part.

Started

Jan 2024

Finished

Jan 2026

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 Body mass index of 18-35 kg/m2 Patients with the American Society of Anesthesiologists physical status I/II Patients scheduled for elective Percutaneous Nephrolithotomy Both sexes, males and females Exclusion Criteria: * Patients refusal Allergy to local anaesthetics Infection at the site of injection Coagulopathy Chronic pain syndrome Prolonged opioid medication Patients who received any analgesic 24 h befor surgery

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Conditions

The condition(s) this trial relates to.

nephrolithiasis

As listed by the trial registrant

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

Renal stone

Contacts and locations

Locations

  • Faculty of Medicine, Assiut University

    Asyut, 71111, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.