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Timing of nerve block may ease kidney surgery pain

NCT ID NCT05860309

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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether giving a nerve block (QLB) before or after kidney surgery provides better pain relief. 100 adults undergoing open nephrectomy received the block either before or after the operation. The goal was to see which timing reduces the need for strong painkillers and delays the first request for extra pain medication.

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

100 people

The number who actually took part.

Started

Jul 2023

Finished

Sep 2025

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: * o Patients aged between 18 - 60 years old. * Both sexes. * Physical Status: ASA I and II. Exclusion Criteria: * o Refusal of procedure or participation in the study . * Physical status: ASA III or above . * Infection at site of injection. * Psychiatric illness . * CNS Diseases like epilepsy, stroke …etc. * History or evidence of coagulopathy . * Allergies to drug used (Bupivacaine 0.5%). * Patients who suffered from allergy to local anesthetics . * Difficult visualization of the anatomy.

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As listed by the trial registrant

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

Regional blocks Renal surgery

Contacts and locations

Locations

  • Ainshams hospitals

    Cairo, Cairo Governorate, 11591, Egypt