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Shoulder surgery pain study: which nerve block works best?

NCT ID NCT05442814

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested two methods of numbing the suprascapular nerve (a nerve in the shoulder) to control pain after arthroscopic shoulder surgery. Sixty adults scheduled for shoulder surgery received either an anterior or posterior nerve block. Researchers measured pain levels, diaphragm movement, and opioid use to see which approach was safer and more effective.

What this could mean

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

Active substance
Suprascapular nerve block (a numbing injection near the shoulder nerve)
What this could lead to
If one approach works better, it could mean less pain and fewer breathing side effects after shoulder surgery.
What could go wrong
This is a small, completed study with only 60 people, so results may not apply to everyone. Both methods are already used, so no big 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

60 people

The number who actually took part.

Started

Jul 2022

Finished

Jul 2023

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 80 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: * Patient who accepts to study protocol * Scheduled for shoulder surgery * Between the ages of 18 and 80 Exclusion Criteria: * Patients with coagulopathy * Patients with a history of local anesthetic drug allergy and toxicity * Patients with advanced organ failure * Patients with mental retardation * Patients with infection present at the injection site * Patients with diaphragm paralysis * Pregnant patients

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative respiratory paralysis Shoulder Pain

As listed by the trial registrant

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

Anterior suprascapular nerve block Diaphragmatic paralysis Postoperative pain Shoulder pain Subomohyoid suprascapular nerve block Suprascapular nerve block

Contacts and locations

Locations

  • Istanbul Medeniyet University

    Istanbul, 34722, Turkey (Türkiye)

More trials for these conditions

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