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Which nerve block works faster for arm surgery?

NCT ID NCT07517809

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 study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study compares two ultrasound-guided nerve block techniques for adults having surgery on the lower arm or hand. The goal is to see which method numbs the arm faster. Fifty participants will receive either a costoclavicular or a lateral-sagittal infraclavicular block using a mix of lidocaine and bupivacaine. The time to full numbness and muscle relaxation will be measured.

What this could mean

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

Active substance
lidocaine and bupivacaine (local anesthetics)
What this could lead to
If one method proves faster, it could reduce waiting time for surgery and improve patient comfort.
What could go wrong
This is a small, early-stage trial with only 50 participants, so results may not apply to everyone. Both blocks are already used in practice, so no major breakthrough is expected.

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 50 people

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

Started

Feb 2026

Expected to finish

Sep 2026

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

21 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: * ASA physical status I-III * Distal upper limb surgery requiring brachial plexus block. * Patient approval after written and informed consent to participate. Exclusion Criteria: * Patient refusal. * Allergy to drugs used. * Infection at puncture site. * Coagulopathy or anticoagulant therapy. * Pre-existing neuropathy or neurological deficit in the affected limb. * Severe pulmonary disease. * BMI \> 40 kg/m².

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As listed by the trial registrant

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

Brachial plexus blocks Regional anesthesia block

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. A doctor treating you

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Contacts and locations

Locations

  • Ain Shams University Hospitals

    RECRUITING

    Cairo, Egypt

    Contact Email: •••••@•••••

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