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New automated sedation system aims to use less medicine in ICU

NCT ID NCT06187545

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This pilot study tested a prototype device that automatically gives the sedative propofol to deeply sedated patients in the ICU who are on breathing machines. The goal was to see if the device could keep patients at the right sedation level while using less medication compared to usual care. Twenty patients took part, and the study compared the amount of propofol used and sedation levels between the two approaches.

What this could mean

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

Active substance
propofol
What this could lead to
If it works, this could lead to a smarter way to sedate ICU patients, using less medication and possibly reducing side effects.
What could go wrong
This is a very small pilot study with only 20 patients, so results may not apply to everyone. The device is still a prototype and may not work better than usual care.

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

20 people

The number who actually took part.

Started

Dec 2023

Finished

Aug 2025

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 80 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: * Indication of deep sedation for more than 48 hours Exclusion Criteria: * Dementia * Cranial surgery * Hypoxic-ischemic encephalopathy * Chronic liver damage Child C * History of substance and drug abuse that can alter EEG recordings or the metabolization of drugs (antipsychotics, cocaine, benzodiazepines, opioids) * Pregnant women * allergic to propofol * EEG sensor of the BIS® Covidien cannot be installed

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As listed by the trial registrant

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

Deep sedation

Contacts and locations

Locations

  • Centro de Investigación Cínica Avanzada (CICA), Hospital Clinico de la Universidad de Chile

    Santiago, RM, 7690306, Chile

  • Hospital Base San José Osorno

    Osorno, Los Lagos Region, Chile

  • Hospital Clinico de la Universidad de Chile

    Santiago, RM, 7690306, Chile

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