Sensory Enrichment Using Aromatherapy for Neurobehavioral and Psychological Symptoms in Early Dementia

Eligibility criteria

Inclusion Criteria:
For patients:
* Aged 50 years old and above.
* Confirmed diagnosis of MCI or mild dementia based on clinical records.
* Has one identified caregiver aged 21 years and above who is willing to provide written informed consent for his/her own participation; is able to read, understand, and speak the designated language at the study site; either lives with the subject or sees the subject for ≥2 hours/day ≥3 days/week; agrees to accompany the subject to each study visit; and is able to verify daily compliance with study intervention.
For caregivers:
* Aged 21 years old and above.
* Willing and able to provide written informed consent
* Identified as the caregiver for recruited patient in this study can read, understand, and speak the designated language at the study site; either lives with the recruited patients or sees the patient for ≥2 hours/day ≥3 days/week.
* Agrees to accompany the patient to each study visit; and can verify daily compliance with study intervention.
Exclusion Criteria:
For patients:
* Olfactory impaired/dysfunctional.
* Known or suspected hypersensitivity/allergy to essential oils or any components of the formulations.
* Has Reactive Airway Disease (e.g, Asthma).
* Participant without a caregiver.
* Pregnant, breastfeeding, or intending to conceive during study period.
For caregivers:
* Physically or mentally incapable of providing verbal / written consent
* Does not have regular or meaningful contact with the participant (e.g. less than 2 hours/day or less than 3 days/week).
* Not able to follow patient to each study visit.

The sponsor's own eligibility wording, lightly reformatted. The study team makes the final eligibility decision — worth discussing with your doctor.

Eligibility criteria as of 2026-07-17