Brain wave study aims to make anesthesia safer
NCT ID NCT07561970
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares brain wave patterns (EEG) in 280 adults receiving either propofol or sevoflurane during heart procedures. The goal is to see if one anesthetic produces different brain activity, which could help predict and prevent postoperative confusion. Participants are French-speaking adults undergoing elective electrophysiological procedures under general anesthesia.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- propofol and sevoflurane
- What this could lead to
- If successful, this could help doctors choose the safest anesthetic for each patient, potentially reducing the risk of confusion after surgery.
- What could go wrong
- This is an early observational study, not a treatment trial. It only measures brain waves, so it cannot prove that one anesthetic causes less delirium.
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
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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
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About 280 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 patients undergoing elective electrophysiological interventions, such as atrial fibrillation ablation procedures, under general anesthesia * Capable to give informed consent * French-speaking patients Exclusion Criteria: * Need for a premedication with benzodiazepine before anesthesia * Reduced left ventricular ejection fraction (\< 50%) or underlying cardiac pathology requiring a more balanced anesthesia (administration of benzodiazepine and/or ketamine during anesthesia) * Preoperative MoCA score \< 26/30 (for patients \> ou = 55 years old) * Patients treated with anti-epileptic drugs * Patients treated with benzodiazepines (ex: for anxiolysis or sleep disorders) * Emergencies * Morbid obesity (BMI \> 40kg/m2) * Background of severe postoperative nausea/vomit
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Cliniques universitaires Saint-Luc
RECRUITINGBrussels, 1200, Belgium