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Brain waves tracked during routine sedation for endoscopy

NCT ID NCT07073274

Knowledge-focused Sponsor: Erasme University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 brain activity (EEG) in 149 people having a gastroscopy or colonoscopy under sedation. The goal was to see how deep the anesthesia gets during these short procedures. Researchers recorded the EEG continuously but did not change how doctors gave the sedation. The results help understand the depth of anesthesia in everyday practice.

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

149 people

The number who actually took part.

Started

Jul 2025

Finished

Feb 2026

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 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: * Patients undergoing gastroscopy and or colonoscopy in a outpatient setting under sedation or general anesthesia Exclusion Criteria: * Patients \< 18 years * altered renal function, Glomerular filtration rate \< 50 mL/min/m2 * altered hepatic tests, \> 1.5 \* upper normal limit * Any form of hepatic cirrhosis * Presence of oesophageal varices * Any neurological pathology rendering EEG analysis non reliable

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As listed by the trial registrant

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

Colonoscopy (procedure) Continuous processed electroencephalogram (procedure) Endoscopy of stomach (procedure)

Contacts and locations

Locations

  • H.U.B _ Hôpital Erasme

    Brussels, 1070, Belgium

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