Patient-preferred Aromatherapy Versus Placebo For Reducing Preoperative Anxiety In Patients Undergoing Eye Surgery

NCT ID: NCT07237061

Last Updated: 2025-11-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

64 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-03-01

Study Completion Date

2024-12-01

Brief Summary

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This study looks at whether aromatherapy (scent chosen by the patient), is better than routine care, at reducing preoperative anxiety before eye surgery.

Detailed Description

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Conditions

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Cataract Surgery Vitrectomy Aromatherapy Preoperative Anxiety

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Caregivers

Study Groups

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placebo

Patients were asked to choose amongst 4 different aromatherapy scents. The study administrator then stuck an adhesive patch without any aromatherapy oil on it, to the patient's facemask. This was worn throughout the perioperative experience from the ambulatory ward to the operating theatre and post anaesthesia care unit (PACU).

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

odorless dry absorbent adhesive patch

intervention

Patients were asked to choose amongst 4 different aromatherapy scents. The study administrator then stuck an adhesive patch with 1 drop of their chosen aromatherapy oil on it, to the patient's facemask. This was worn throughout the perioperative experience from the ambulatory ward to the operating theatre and post anaesthesia care unit (PACU).

Group Type EXPERIMENTAL

Aromatherapy

Intervention Type OTHER

patients chose their preferred aromatherapy scent to be used for at least 30 minutes

Interventions

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Aromatherapy

patients chose their preferred aromatherapy scent to be used for at least 30 minutes

Intervention Type OTHER

Placebo

odorless dry absorbent adhesive patch

Intervention Type OTHER

Other Intervention Names

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lavender geranium lemongrass sandalwood

Eligibility Criteria

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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
Minimum Eligible Age

21 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National University Hospital, Singapore

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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National University Hospital Singapore

Singapore, , Singapore

Site Status

Countries

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Singapore

Other Identifiers

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2020/01202

Identifier Type: -

Identifier Source: org_study_id

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