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Anesthesia study probes brain waves during surgery

NCT ID NCT00775879

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how a common anesthesia gas, sevoflurane, affects brain wave patterns during surgery. Researchers monitored 34 women having gynecological surgery to see if certain brain wave spikes occur. The goal was to better understand the effects of sevoflurane on the brain.

What this could mean

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

Active substance
Sevoflurane
What this could lead to
If successful, this could help anesthesiologists understand how to use sevoflurane more safely to avoid unwanted brain activity during surgery.
What could go wrong
This is a small, early-stage study with only 34 participants, so results may not apply to everyone. It only looked at brain wave patterns, not patient outcomes.

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

34 people

The number who actually took part.

Start date

Mar 2006

Finished

Jul 2008

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 to 60 years

Sex

Female participants only

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: * programmed gynecological surgery * ASA 1 or 2 Exclusion Criteria: * arterial hypertension * gastro-oesophageal reflux * pregnancy * diabetes * obesity * asthma * tobacco

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As listed by the trial registrant

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

General anesthesia

Contacts and locations

Locations

  • CHU de Bordeaux

    Bordeaux, 33000, France

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