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Sniff away surgery jitters: aromatherapy tested for Pre-Op anxiety

NCT ID NCT07237061

Symptom relief Sponsor: National University Hospital, Singapore Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether letting patients pick their own aromatherapy scent (lavender, geranium, lemongrass, or sandalwood) could lower anxiety before eye surgery. 64 adults undergoing short eye procedures chose their preferred scent or received an odorless placebo patch. Researchers measured anxiety levels before and after the 30-minute scent exposure to see if aromatherapy helped more than routine care.

What this could mean

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

Active substance
aromatherapy (lavender, geranium, lemongrass, or sandalwood essential oils)
What this could lead to
If it works, this could offer a simple, drug-free way to help patients feel calmer before minor surgery.
What could go wrong
This is a small, completed trial with only 64 participants. The effect may be due to the placebo effect or personal preference, and results may not apply to other types of surgery or more anxious patients.

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

64 people

The number who actually took part.

Started

Mar 2023

Finished

Dec 2024

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

21 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: * mental capacity for informed consent * undergoing elective ambulatory eye surgery (including Phacoemulsification, Femtosecond laser-assisted cataract surgery (FLACS), Extracapsular cataract extraction (ECCE) and vitrectomy). * surgery only under Monitored Anaesthesia Care (MAC)3 * surgical duration less than 45 minutes Exclusion Criteria: * anosmia * allergy to aromatherapy oil * asthma * allergic rhinitis * psychiatric disease * altered mental state * lack of mental capacity * active infection * pregnancy * patient or surgeon refused participation

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Conditions

The condition(s) this trial relates to.

cataract

As listed by the trial registrant

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

Aromatherapy Cataract Preoperative anxiety Surgery Vitrectomy

Contacts and locations

Locations

  • National University Hospital Singapore

    Singapore, Singapore

More trials for these conditions

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