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New nerve block may keep arm strong after shoulder surgery

NCT ID NCT07057947

Symptom relief Sponsor: Sherin Refaat 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This trial tests whether a newer type of nerve block, called the pericapsular nerve group (PENG) block, can control pain during shoulder arthroscopy without weakening the arm muscles as much as the standard interscalene block. Sixty adults having shoulder surgery will receive one of the two blocks before their operation. Researchers will measure how quickly hand grip strength returns and how well pain is controlled afterward.

What this could mean

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

Active substance
local anesthetic (e.g., bupivacaine)
What this could lead to
If PENG block works as well for pain but spares muscle strength, patients could recover hand and arm function faster after shoulder surgery.
What could go wrong
This is a small, early-stage study with only 60 participants. The PENG block may not provide enough pain relief, or the muscle-sparing benefit may be minimal.

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

Aug 2025

Finished

Dec 2025

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

22 to 60 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: * Adult patients of the specified age range * Any gender * American Society of Anaesthesiologists physical status grades 1 and 2 * Body mass index less than 35 * Duration of surgery between 90 to 120 minutes Exclusion Criteria: * American Society of Anaesthesiologists physical status grades 3 and 4 * Allergy to local anesthetics * Coagulation disorder (INR \>1.2, Platelets \<100,000), or recent intake of clopidogrel or warfarin within 1 week * Active infection at site of injection

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As listed by the trial registrant

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

Shoulder arthroscopic surgery

Contacts and locations

Locations

  • Cairo University

    Cairo, 11562, Egypt

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