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Shoulder surgery nerve block showdown: which one spares your diaphragm?

NCT ID NCT07553611

Knowledge-focused Sponsor: Antalya Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares four types of nerve blocks used during arthroscopic shoulder surgery to see which one causes the least temporary diaphragm paralysis and leads to better recovery. Researchers will measure breathing function, pain levels, opioid use, and overall recovery quality in 88 adults aged 18-65. The goal is to identify the safest and most effective block for routine use.

What this could mean

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

What this could lead to
If successful, this study could help doctors choose the best nerve block for shoulder surgery, reducing breathing problems and improving recovery.
What could go wrong
This is a small observational study, not a treatment trial. Results may not apply to all patients, and the findings are not a guarantee of better outcomes.

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.

Participants

About 88 people

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

Started

Apr 2026

Expected to finish

Nov 2026

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.

Who is studied

It is planned to include ASA score I-III, aged 18-65 years, who are planned to undergo elective arthroscopic surgery

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: * aged 18-65 years * American Society of Anaesthesiology (ASA) score I-III * body mass index (BMI) \<30kg/m2 * scheduled for elective arthroscopic surgery Exclusion Criteria: * ASA score ≥4 * BMI ≥30 kg/m2 * declining to give written informed consent * controendications for block application * history of mental or neurological disease, severe liver and/or kidney disease * history of moderate or severe pulmonary disease * abnormal preoperative chest X-ray findings * scheduled for emergency surgery

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Conditions

The condition(s) this trial relates to.

respiratory paralysis

As listed by the trial registrant

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

Arthroscopic shoulder surgery Hemidiaphragmatic paralysis Opioid consumption Postoperative pain score Recovery quality Regional anaesthesia

How to take part

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

  1. The places running it

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

  2. 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 ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Health Sciences, Antalya Training and Research Hospital

    RECRUITING

    Antalya, Muratpaşa, Turkey (Türkiye)

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