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New pain block may reduce morphine after kidney removal

NCT ID NCT07138794

Symptom relief Sponsor: Tanta University 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested two types of ultrasound-guided nerve blocks for pain control after open kidney surgery. 70 adults received either a subtransverse interligamentary block or a thoracic paravertebral block with bupivacaine. Researchers measured how much morphine patients needed and how long pain relief lasted.

What this could mean

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

Active substance
bupivacaine
What this could lead to
If one block works better, it could improve pain control and reduce morphine use after kidney surgery.
What could go wrong
This is a small, completed study with 70 people. Results may not apply to all patients or surgeries.

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

70 people

The number who actually took part.

Started

Aug 2025

Finished

Apr 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

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 from 18 to 65 years. * Both sexes. * American Society of Anesthesiology (ASA) physical status I-III. * Undergoing open nephrectomy under general anesthesia. Exclusion Criteria: * History of allergies to local anesthetics. * Opioid dependency. * Bleeding or coagulation disorders. * Psychiatric and neurological disorder. * Local infection at the site of injection. * Body mass index (BMI) \> 35 kg/m2. * Severe heart, lung, liver, and renal dysfunction. * Pregnant or lactating women.

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As listed by the trial registrant

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

Open nephrectomy Postoperative analgesia Subtransverse interligamentary block Thoracic paravertebral block

Contacts and locations

Locations

  • Tanta University

    Tanta, El-Gharbia, 31527, Egypt

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