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Can a targeted nerve block silence the ache of a surgical tourniquet?

NCT ID NCT07784426

Symptom relief Sponsor: Zagazig 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 25, 2026 · Last updated Aug 28, 2026 · Updated 3 times

Summary

This trial tests whether adding a specific nerve block can prevent the pain caused by a tourniquet during hand, wrist, or forearm surgery. Participants receive either an intercostobrachial nerve block or a serratus anterior plane block, both guided by ultrasound, alongside the standard brachial plexus block. The study measures pain levels during the first hour of tourniquet use and how long the tourniquet is applied. The goal is to find a better way to keep patients comfortable during these procedures.

What this could mean

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

Active substance
Ultrasound-guided intercostobrachial nerve block or serratus anterior plane block
What this could lead to
If effective, adding one of these nerve blocks could make arm surgery under regional anesthesia more comfortable by reducing the pain caused by the tourniquet.
What could go wrong
This is a small, early-stage trial, and results may not apply to all patients. Nerve blocks carry risks like bleeding, infection, or nerve damage, though these are uncommon.

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 90 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 64 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: * Elective unilateral distal upper-limb surgery (hand, wrist or forearm) with use of pneumatic upper-arm tourniquets under ultrasound-guided brachial plexus block. Exclusion Criteria: * Coagulopathy or therapeutic anticoagulation. * Local infection at injection sites. * Chronic opioid dependence.

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Conditions

The condition(s) this trial relates to.

agnosia pain agnosia

As listed by the trial registrant

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

Analgesia

How to take part

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  1. 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 ↗

  2. A doctor treating you

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