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Which hand muscle wakes up first? study tests anesthesia monitoring

NCT ID NCT06467448

Knowledge-focused Sponsor: University of North Carolina, Chapel Hill 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how two different hand muscles recover from muscle relaxants given during surgery. In 57 patients, researchers used EMG monitors to compare recovery in the thumb muscle versus the pinky muscle. The goal was to see if one muscle gives a better signal for when it's safe to stop anesthesia.

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 anesthesiologists choose the best muscle to monitor for safer recovery from muscle relaxants during surgery.
What could go wrong
This is a small, completed observational study with only 57 patients. Results may not apply to all surgeries or patient groups.

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

57 people

The number who actually took part.

Started

Mar 2024

Finished

Jun 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

Consented patients undergoing general anesthesia with an endotracheal tube and non depolarizing muscle relaxants and objective monitoring of train of four.

Ages

18 years and older

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: * Surgery and general anesthesia with administration of non depolarizing neuromuscular blocking drug Exclusion Criteria: * neuromuscular disease or weakness of one of upper limbs. * Inability to use one of subjects arms to record neuromuscular monitor. * Contraindication to administration or allergy to non depolarizing neuromuscular blocking drug.

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As listed by the trial registrant

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

Anesthesia Neuromuscular blockade

Contacts and locations

Locations

  • University of North Carolina at Chapel Hill

    Chapel Hill, North Carolina, 27599, United States

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