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Wireless EEG headsets reveal Brain's journey into anesthesia

NCT ID NCT03943745

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

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study used wireless EEG headsets to watch brain activity in 45 healthy adults as they were put under anesthesia with propofol. Researchers focused on slow-wave brain signals to understand how and when people lose consciousness. The goal is to learn more about the brain's response to anesthesia, which could lead to better monitoring tools in the future.

What this could mean

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

What this could lead to
If successful, this could improve how doctors monitor brain activity during anesthesia, potentially leading to safer and more personalized anesthesia care.
What could go wrong
This is a small, early observational study in healthy volunteers, not a treatment trial. Results may not apply to patients with neurological conditions or those undergoing surgery.

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

45 people

The number who actually took part.

Started

Oct 2018

Finished

Mar 2024

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

Neurologically healthy individuals coming to hospital for elective surgery with general anesthesia

Ages

18 to 80 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: * ASA 1-2 (no neurological or cardiovascular diseases) Exclusion Criteria * BMI \> 30

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As listed by the trial registrant

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

Anesthesia, general Healthy subjects

Contacts and locations

Locations

  • South Karelia Central Hospital

    Lappeenranta, 53130, Finland

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