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Examination of the influence for cognitive function of aromatherapy using the essential oil which was extracted from natural green tea leaf

Examination of the influence for cognitive function of aromatherapy using the essential oil which was extracted from natural green tea leaf - Examination of the aromatherapy using the essential oil which was extracted from natural green tea leaf

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000027693
Enrollment
40
Registered
2017-06-19
Start date
2017-06-19
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

Alzheimer&#39

Interventions

In before and after that subjects perform aromatherapy using aroma pendant in the morning, we carry out tests of cognitive function and questionnaires. Subjects carry out the aromatherapy for two hour

Sponsors

Department of Biological Regulation, School of Health Science, Faculty of Medicine, Tottori University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Subjects who are more than 40 years old at the time of registration 2) Alzheimer's disease patients who fulfill of the DSM-5 and NINCDS-ADRDA criteria, or mild cognitive impairment patients who fulfill of the Petersen criteria. 3) The consent from proxies is necessary. 4) If the patient use antidementia medicine, it is necessary that cognitive function is stable

Exclusion criteria

Exclusion criteria: 1) Subjects who have a serious allergic disease 2) Subjects who are diagnosed olfactory disturbance 3) Subjects who have a serious heart disease 4) Subjects who have the past of epilepsy 5) Subjects who are conducting other aromatherapy during the intervention period 6) Pregnant women 7) Subjects who are assessed by the principal investigator due to other reasons

Design outcomes

Primary

MeasureTime frame
The results of Touch Panel-type Dementia Assessment Scale (TDAS) after four weeks

Secondary

MeasureTime frame
The results of questionnaire after four weeks

Countries

Japan

Contacts

Public ContactMinoru Kouzuki

School of Health Science, Faculty of Medicine, Tottori University Department of Biological Regulation

kouzuki@med.tottori-u.ac.jp0859-38-6358

Outcome results

None listed

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