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Sniffing away delirium: aromatherapy tested in ICU

NCT ID NCT04529395

Prevention Sponsor: Groupe Hospitalier de la Region de Mulhouse et Sud Alsace 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether aromatherapy can prevent delirium (sudden confusion) in adults in the intensive care unit who are on breathing machines. 161 patients took part, and the approach used scented oils applied to the skin. The goal was to see if this simple, drug-free method could reduce episodes of delirium during their hospital stay.

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

161 people

The number who actually took part.

Started

Sep 2020

Finished

Sep 2023

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: * Age ≥ 18 years old * Patient hospitalized in an intensive care unit for an expected duration of at least 24 hours * Patient requiring mechanical ventilation with initial therapeutic sedation adapted secondarily for comfort sedation, defined by a RASS score target between -2 and 0 * Patient affiliated to/beneficiary of a social security scheme Exclusion Criteria: * Allergy to essential and/or vegetable oils * Palliative sedation * Foot skin injury contraindicating the application of an oil * Moribund patient or expected death * History of dementia * Participation to a RIPH-1 study * Pregnant or breastfeeding woman * Patient under legal protection * Patient deprived of liberty by judicial or administrative decision

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Conditions

The condition(s) this trial relates to.

delirium prevention target

As listed by the trial registrant

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

Intensive care unit delirium

Contacts and locations

Locations

  • Groupe Hospitalier de Mulhouse et de la Région Sud-Alsace

    Mulhouse, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.