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Arm angle may make or break your nerve block

NCT ID NCT07586670

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study compares two arm positions (90° vs 120° abduction) during a nerve block for hand, wrist, and forearm surgery. Researchers want to see which angle leads to a faster and more reliable block. About 106 adults will take part, and the goal is to improve how this common procedure is done.

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 could help doctors choose the best arm position for nerve blocks, making surgery more reliable and comfortable for patients.
What could go wrong
This is a small, early-stage study focused on positioning, not a new treatment. Results may not apply to all patients or surgeries, and the best angle may vary by individual.

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

About 106 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Aug 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.

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 between 18 and 80 years. * Patients scheduled for elective upper extremity surgery (hand, wrist, forearm). * Patients classified as ASA I-III. * Patients who provide informed consent after being informed about the study. Exclusion Criteria: * History of previous surgery, scar tissue, tumor, or trauma that may alter brachial plexus anatomy. * Presence of infection, hematoma, severe edema, burn, or open wound at the block application site. * Known allergy to local anesthetics or other medications used in the study. * Coagulopathy, use of anticoagulants, or platelet count \< 100,000/mm³. * History of peripheral neuropathy, neurological deficit, cervical radiculopathy, or CRPS. * Pregnancy or breastfeeding. * Patients with BMI \< 18 kg/m². * Patients with BMI \> 35 kg/m². * Severe cardiac, pulmonary, renal, or hepatic failure. * Mental retardation, communication difficulties, or lack of cooperation. * Deformity, amputation, or large mass in the surgical extremity that may interfere with sensorimotor assessment. * Preoperative significant sensory loss, motor weakness, or signs of neurological disease. * Severe anemia (Hb \< 9 g/dL) or polycythemia (Hb \> 18 g/dL). * Psychiatric disorders, substance abuse, or any condition that may interfere with study compliance.

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As listed by the trial registrant

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

Arm abduction position Block onset time Block success rate Brachial plexus block Costoclavicular approach First incision pain Perfusion index Regional anaesthesia Upper extremity surgery

How to take part

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  1. 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 ↗

  2. A doctor treating you

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