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Can a new monitor match the gold standard for muscle relaxation?

NCT ID NCT07750405

Knowledge-focused Sponsor: University of Debrecen Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This trial asks whether a new, easier-to-use monitor called the TetraGraph can measure muscle relaxation during surgery as accurately as the current gold-standard device. The study involves 20 adults undergoing general anesthesia with muscle relaxants. Both devices are used on the same arm to compare their readings during different stages of muscle relaxation. The goal is to see if the new monitor can reliably help prevent postoperative breathing complications.

What this could mean

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

Active substance
Next-Generation TetraGraph (electromyography-based neuromuscular monitor) compared with mechanomyography (MMG)
What this could lead to
If the TetraGraph matches the gold standard, it could offer a practical, accurate way to monitor muscle relaxation during surgery, potentially reducing breathing complications after anesthesia.
What could go wrong
This is a small, early-stage study (20 patients) comparing measurements, not testing a treatment. The device may not show perfect agreement with the gold standard, and results may not apply to all surgical settings.

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 20 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

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 undergoing general surgery

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: * Age 18 years or older. * ASA (American Society of Anesthesiology) physical status I-III. * Written informed consent. * The use of a medium-acting muscle relaxant is required for the surgery. Exclusion Criteria: * History of neuromuscular disease (e.g., stroke with hemiplegic symptoms, myasthenia gravis, severe polyneuropathy). * Use of medications affecting neuromuscular transmission. * Open wound or rash in the area corresponding to the electrode placement. * Anticipated difficult intubation. * Pregnancy, breastfeeding.

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As listed by the trial registrant

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

Patients undergoing general anesthesia

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

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Contacts and locations

Locations

  • University of Debrecen, Department of Anesthesiology and Intensive Care

    Debrecen, Hajdú-Bihar, 4032, Hungary