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Shoulder block study checks for breathing side effects

NCT ID NCT07640464

Knowledge-focused Sponsor: Gazi 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study observed 61 adults having shoulder surgery to see how a specific combination of nerve blocks affects the diaphragm, the main muscle for breathing. Researchers used ultrasound to measure diaphragm movement before and after the block. The goal was to find out if this technique can provide good pain relief without causing breathing problems.

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

61 people

The number who actually took part.

Started

Feb 2025

Finished

Jul 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.

Who is studied

Adult patients aged 18-80 years with ASA physical status I-III undergoing elective arthroscopic shoulder surgery at Gazi University Faculty of Medicine Hospital. Eligible participants received ultrasound-guided combined infraclavicular brachial plexus block and anterior suprascapular nerve block. The study evaluated changes in diaphragmatic excursion measured by ultrasonography before and after block administration.

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: * Patients aged 18-80 years. * ASA physical status I-III. * Scheduled for elective arthroscopic shoulder surgery. * Ability to provide written informed consent Exclusion Criteria: * Refusal to undergo peripheral nerve block. * Pre-existing peripheral neuropathy. * Known pulmonary, hepatic, or renal disease. * Allergy to local anesthetics. * Infection at the block site. * Pre-existing neurological deficit. * Body mass index (BMI) \> 40 kg/m². * Coagulopathy. * Sepsis. * Previous surgery at the planned block site. * Major psychiatric disorders. * Inability to complete diaphragmatic ultrasonographic assessment.

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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 Diaphragmatic excursion Hemidiaphragmatic paralysis

Contacts and locations

Locations

  • Gazi University Faculty of Medicine Hospital

    Ankara, Ankara, 06500, Turkey (Türkiye)

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