Evaluation of the effect of olfactory training on cognitive function in healthy adults.

Evaluation of the effect of olfactory training on cognitive function in healthy adults. - Evaluation of the effect of olfactory training on cognitive function in healthy adults.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039796

Enrollment

Registered

2020-03-31

Start date

2022-10-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cognitive dysfunction

Interventions

essential oil (rose odor, eucalyptus odor, lemon odor, and cloves odor) essential oil (rosemary odor, lavender odor, lemon odor, and orange odor)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 60 years or older

Exclusion criteria

Exclusion criteria: subjects who were diagnosed with dementia and receiving treatment

Design outcomes

Primary

Measure	Time frame
memory function ( a 24-week period)	—

Countries

Japan

Contacts

Public ContactSACHIKO TANAKA

Tokyo University of Pharmacy and Life Sciences Department of Clinical Pharmacology

sachiko@toyaku.ac.jp0426765796

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026