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Can a monitor read pain in sleeping kids?

NCT ID NCT05233449

Knowledge-focused Sponsor: University Hospital, Lille 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a non-invasive monitor called the Nociception Level (NoL) index can measure pain in children under general anesthesia. Researchers gave 30 children aged 5 to 12 brief, mild electrical stimulations of different strengths before surgery and recorded how the NoL index changed. The goal was to see if the monitor responds to pain signals in children the same way it does in adults.

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

30 people

The number who actually took part.

Started

Mar 2022

Finished

May 2022

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

5 to 12 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: * Age 5-12 years * Elective surgery under general anesthesia * Written informed consent Exclusion Criteria: * Cardiac surgery * Opioid intake \< 24 hours before surgery * Cardiac arrhythmia * Pace maker * Pheochromocytoma * Anti-arrhythmic medication * Anticholinergic medication * Raynaud syndrome * Digital anomaly (malformative, traumatic)

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As listed by the trial registrant

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

Anesthesia

Contacts and locations

Locations

  • Hopital Roger Salengro, CHU Lille

    Lille, France

  • Hu Est Parisien Site Trousseau Aphp

    Paris, France

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