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Which arm block spares the diaphragm? new study pits two techniques Head-to-Head

NCT ID NCT07386470

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study compared two ultrasound-guided nerve block techniques for hand, wrist, or forearm surgery to see which one causes less temporary diaphragm paralysis. 91 adults were randomly assigned to receive either a costoclavicular or lateral sagittal infraclavicular block. The goal is to help anesthesiologists choose the safer option for patients.

What this could mean

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

Active substance
Ultrasound-guided infraclavicular nerve block (procedure)
What this could lead to
If one technique causes less diaphragm weakness, it could help anesthesiologists choose a safer nerve block for arm surgeries.
What could go wrong
This is a small, completed study with 91 participants. Results may not apply to all patients or surgeries, and individual responses to nerve blocks vary.

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

91 people

The number who actually took part.

Started

Oct 2022

Finished

Apr 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: * Adults aged 18-80 years * ASA physical status I-III * Scheduled for forearm, wrist, or hand surgery * Planned infraclavicular brachial plexus block Exclusion Criteria: * Refusal of regional anesthesia * Known allergy to local anesthetics * Infection at the block site * Pre-existing neurological deficit in the operative limb * Severe pulmonary disease * Coagulopathy or sepsis * BMI \> 40 kg/m² * Psychiatric disorders

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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.

Hemidiaphragmatic paralysis Infraclavicular brachial plexus block Regional anesthesia for upper extremity surgery Upper extremity surgery

Contacts and locations

Locations

  • Gazi University Faculty of Medicine, Department of Anesthesiology and Reanimation

    Ankara, Ankara, 06560, Turkey (Türkiye)

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