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Tingling during shoulder block: does it signal nerve trouble?

NCT ID NCT06906458

Knowledge-focused Sponsor: Ankara City Hospital Bilkent 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 120 adults having shoulder surgery. Researchers wanted to see if a tingling or electric shock feeling (called paresthesia) during a nerve block injection leads to nerve symptoms like numbness or weakness after the block wears off. They tracked what happened during the block and then called patients later to check for any lasting nerve issues.

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

120 people

The number who actually took part.

Started

Apr 2025

Finished

Oct 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

The study will include patients aged 18-65 years with ASA physical status I or II who are planned to undergo interscalene nerve block for analgesia prior to arthroscopic shoulder surgery in the beach chair position under general anesthesia.

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: * ASA physical status I to II * Age range of 18-65 years * Patients planned for interscalene nerve block for analgesia prior to arthroscopic shoulder surgery in the beach chair position under general anesthesia Exclusion Criteria: * body mass index \>35 kg/m²) * history of drug use * Patient's refusal to participate in the study * Psychiatric disorders * Central nervous system diseases * Vestibular disorders * Presence of diabetes, neuropathy, and paralysis * Pregnancy * Open shoulder surgery * Allergy to local anesthetics * Coagulopathy * Severe thrombocytopenia * Infection at the puncture site * Pre-existing neuropathy in the limb to be operated on * Use of opioid and antiemetic medications before surgery * Use of dexamethasone * Lung disease * Low baseline oxygen saturation * Patients who cannot cooperate in the postoperative period (e.g., mental retardation, delirium, language acquisition deficiency, etc.)

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative Paresthesia

As listed by the trial registrant

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

Interscalene block Postoperative pain

Contacts and locations

Locations

  • Ankara Bilkent City Hospital

    Ankara, Ankara, Çankaya, 06800, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.