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Calibration check: does Fine-Tuning muscle monitors make a difference?

NCT ID NCT04911088

Knowledge-focused Sponsor: University Hospital Ulm 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether calibrating a muscle monitor (EMG) improves how accurately it measures muscle function during anesthesia. 66 adults having surgery took part. The goal was to see if calibration is needed for reliable readings and to find the minimum anesthesia depth required.

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

66 people

The number who actually took part.

Started

Jan 2022

Finished

May 2023

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 CELESTE study will be performed in adult patients scheduled for elective non-cardiac surgery requiring general anesthesia and moderate neuromuscular blockade.

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: * signed informed written consent * BMI 17.5-30 kg/m\^2 * ASA \<= 3 * supine positioning during surgery with intraoperative access to both arms * absence of allergy to muscle relaxants and reversal agents * absence of neuromuscular disease Exclusion Criteria: * ambulatory patients for whom discharge is planned within 12 hours of anaesthesia * patients undergoing minor surgical * procedures scheduled outside the operating room * patients who are endotracheally intubated prior to surgery * pregnancy * indication for rapid sequence induction * patients undergoing arm surgery * patients with preceding injuries impairing muscle or nerve function of the arm (e.g., finger amputation)

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As listed by the trial registrant

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

Neuromuscular blockade

Contacts and locations

Locations

  • University Hospital Ulm

    Ulm, Baden-Wurttemberg, 89073, Germany

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