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Which nerve block eases kidney surgery pain best? a Head-to-Head trial

NCT ID NCT07726550

Symptom relief Sponsor: Namik Kemal 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jul 24, 2026

Summary

This trial compares two ultrasound-guided nerve block techniques—erector spinae plane block and modified external oblique intercostal plane block—for controlling pain after open kidney surgery. Sixty adults scheduled for elective open nephrectomy will receive one of the two blocks before surgery, and researchers will measure pain scores, opioid use, and side effects over the first 24 hours. The goal is to see which approach provides better pain relief and recovery.

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: erector spinae plane block and modified external oblique intercostal plane block, using bupivacaine
What this could lead to
If one nerve block proves superior, it could become the preferred method for managing pain after open kidney surgery, potentially reducing opioid use and improving recovery.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply to all patients. Both techniques are already in use, so the difference may be small.

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.

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Feb 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

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: * Age between 18 and 65 years. * American Society of Anesthesiologists (ASA) physical status I or II. * Scheduled for elective open nephrectomy. * Able and willing to provide written informed consent. * Willing to comply with study procedures. Exclusion Criteria: * Refusal to participate or inability to provide informed consent. * Emergency surgery. * Body mass index (BMI) greater than 35 kg/m². * Known allergy or hypersensitivity to local anesthetics. * Infection at the planned block insertion site. * Coagulopathy or ongoing anticoagulant therapy. * Pregnancy or breastfeeding. * Prisoners or other vulnerable populations unable to provide independent consent.

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Conditions

The condition(s) this trial relates to.

agnosia Pain, Postoperative

As listed by the trial registrant

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

Open nephrectomy Postoperative pain

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

    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

  • Tekirdağ Namık Kemal University

    Tekirdağ, Tekirdağ, 59000, Turkey (Türkiye)

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