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New pain block could cut opioid use in kidney stone surgery

NCT ID NCT07457983

Symptom relief Sponsor: Fadime Tosun 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jul 21, 2026 · Updated 3 times

Summary

This study tests whether an erector spinae plane block, a type of nerve block, can reduce pain and the need for opioid painkillers after percutaneous nephrolithotomy, a surgery to remove large kidney stones. Sixty adults scheduled for this surgery will receive either the block plus standard anesthesia or standard anesthesia alone. Researchers will measure pain scores and total opioid use in the first 24 hours after surgery.

What this could mean

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

Active substance
erector spinae plane block with bupivacaine
What this could lead to
If it works, this could offer a safer way to manage pain after kidney stone surgery, reducing the need for opioids.
What could go wrong
This is a small, early-stage trial with only 60 participants. The block may not provide significant pain relief, and results may not apply to 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

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

60 people

The number who actually took part.

Started

Apr 2026

Finished

Jun 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 years and older

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 ≥ 18 years. * American Society of Anesthesiologists (ASA) physical status I-II. * Scheduled for elective percutaneous nephrolithotomy under general anesthesia. * Able to understand the study procedures and provide written informed consent. Exclusion Criteria: * Age \< 18 years. * ASA physical status III-IV. * Refusal to participate in the study. * Known allergy or contraindication to local anesthetics (bupivacaine), opioids, or study medications. * Coagulopathy or anticoagulant therapy contraindicating regional block. * Infection at the injection site. * Severe psychiatric or cognitive disorder precluding reliable pain assessment or questionnaire completion.

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Conditions

The condition(s) this trial relates to.

Kidney Calculi nephrolithiasis

As listed by the trial registrant

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

Erector spinae plane (ESP) block Nephrolithiasis Percutaneous nephrolithotomy (PCNL) Renal calculi

Contacts and locations

Locations

  • Adıyaman University Faculty of Medicine Anesthesiology and Reanimation

    Adıyaman, Turkey (Türkiye)

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