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Which monitor best tracks deep muscle paralysis during keyhole surgery?

NCT ID NCT07706504

Knowledge-focused Sponsor: Ohio State 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 15, 2026 · Last updated Jul 16, 2026 · Updated 1 time

Summary

This study compares two electromyography (EMG) devices — TetraGraph and TwitchView — that monitor how deeply a patient's muscles are paralyzed during surgery. The goal is to see which device better detects spontaneous diaphragm movements or breathing efforts when patients are under deep neuromuscular blockade. The trial involves 35 adults undergoing laparoscopic, robotic, or video-assisted chest surgeries lasting more than three hours.

What this could mean

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

Active substance
TetraGraph (Senzime) and TwitchView (Blink) electromyography neuromuscular monitoring devices
What this could lead to
If one monitor proves better at detecting muscle movement during deep paralysis, it could help surgeons perform laparoscopic or robotic procedures with fewer interruptions.
What could go wrong
This is a small, early-stage comparison (35 participants) that only measures physical signs, not patient outcomes. Results may not apply to other surgeries or monitoring devices.

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 35 people

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

Started

Feb 2026

Expected to finish

Aug 2028

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.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Adult male or female patients aged ≥ 18 years old. * Patients undergo elective abdominal laparoscopic/robotic or thoracic video-assisted (VAT) surgeries requiring general anesthesia for greater than 3 hours at The Ohio State University Wexner Medical Center. * Able to provide a signed, written informed consent. * Able to speak, read, and write in English. * ASA physical status I-III. Exclusion Criteria: * Patients who require emergency surgery or an emergent intervention. * Any documented cognitive or psychological disorders that, in the investigator's opinion, can interfere with the patient's pain perception. * Vulnerable populations: pregnant females, prisoners, breastfeeding. * Presence of any medical condition that, in the opinion of the principal investigator, should exclude the patient from the study (patients with pre-existing neuromuscular diseases. * Allergy or contraindications to any of the anesthetics, NMB agents, or sugammadex. * Patients with anatomical abnormalities of the hands or arms that prevent proper placement of the sensors for nerve stimulation. * Limited access to the monitoring area due to surgical positioning. * Patients with peripheral vascular disease, since it may affect measurement accuracy.

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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

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  1. The places running it

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  2. The official record

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  3. A doctor treating you

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Contacts and locations

Locations

  • The Ohio State University Wexner Medical Center

    RECRUITING

    Columbus, Ohio, 43201, United States

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