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Which nerve is best for tracking muscle relaxation in surgery?

NCT ID NCT06553131

Knowledge-focused Sponsor: Loma Linda University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares using the median nerve versus the ulnar nerve to monitor how relaxed a patient's muscles are during surgery. Researchers will measure the muscle response to nerve stimulation in 32 adults having elective surgery. The goal is to see if the median nerve works as well as the commonly used ulnar nerve.

What this could mean

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

Active substance
Neuromuscular transmission monitoring device
What this could lead to
If successful, this could show that the median nerve is a reliable alternative for monitoring muscle relaxation during surgery, giving doctors more flexibility.
What could go wrong
This is a small, early-stage study with only 32 participants, so results may not apply to all patients. It is not testing a new treatment, just comparing monitoring methods.

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

About 32 people

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

Started

Dec 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

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

Patients scheduled for elective surgery at Loma Linda University Medical Center

Ages

18 to 75 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 18 - 75 years of age who are able to provide consent * Scheduled for elective surgery requiring muscle relaxation, in a supine position under general anesthesia, with an anticipated duration of at least 1.5 hours Exclusion Criteria: * Contraindication to rocuronium use * Comorbidities that may prolong the duration of neuromuscular blockade or alter pharmacodynamics and/or pharmacokinetics, such as: * Neuromuscular disease * Expected or known difficult airway * Rocuronium allergy * BMI \< 18.5 or \> 40 * History of adhesive allergy * Upper extremity weakness, limb deformity, or absence of all or part of an upper limb * Patients undergoing surgical procedures requiring cardiopulmonary bypass

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As listed by the trial registrant

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

Neuromuscular blockade

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Loma Linda University Troesch Medical Center

    RECRUITING

    Loma Linda, California, 92354, United States

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