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Smart anesthesia: computer takes the wheel for safer surgery

NCT ID NCT03569839

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

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 aims to create a computer system that automatically adjusts anesthesia levels during surgery to keep patients safely asleep. Researchers will monitor brain activity and vital signs in 50 adults undergoing eye or brain surgery, or long-term sedation. The goal is to develop a model that helps doctors give the right amount of medicine more precisely.

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

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2017

Expected to finish

Dec 2028

An estimate. End dates often move.

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

Patients from the University medical centre Ljubljana planned for vitroretinal surgery, brain surgery or sedation in ICU.

Ages

20 to 70 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 having vitroretinal surgery in general anaesthesia * patients having brain surgery in general anaesthesia * patients needing sedation in ICU * ASA 1-3 Exclusion Criteria: * ASA \> 3 * BMI \> 35 * drug addicts * patients taking psychotropic medicines * patients taking opioid analgesics (including tramadol) * severe psychiatric disease * central nervous system disease (except the reason for surgery) * arrhythmia affecting or preventing the measurements (e.g. chronic atrial fibrillation) * patients that received benzodiazepines

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As listed by the trial registrant

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

The focus is to develop A closed-loop control system for anaesthesia in vitroretinal surgery, surgery due to expansive processes in head, and long-term sedation

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • University Medical Centre Ljubljana

    RECRUITING

    Ljubljana, Ljubljana, 1000, Slovenia