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Effect of olfactory stimulation with Japanese cedar

Effect of olfactory stimulation with Japanese cedar - Effect of olfactory stimulation with Japanese cedar

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000029093
Enrollment
30
Registered
2017-09-11
Start date
2017-09-12
Completion date
Unknown
Last updated
2025-07-18

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

Conditions

Healthy person

Interventions

Olfactory stimulation Japanese cedar heartwood (90 s) -&gt
Wash out period -&gt
Olfactory stimulation with Japanese cedar sapwood (90 s) -&gt
Olfactory stimulation with room air (90 s) Olfactory stimulation Japanese cedar heartwood (90 s) -&gt
Olfactory stimulation with room air (90 s) -&gt
Olfactory stimulation with Japanese cedar sapwood (90 s) Olfactory stimulation with Japanese cedar sapwood (90 s) -&gt
Olfactory stimulation with room air (90 s) Olfactory stimulation with Japanese cedar sapwood (90 s) -&gt
Olfactory stimulation Japanese cedar heartwood (90 s) Olfactory stimulation with room air (90 s) -&gt

Sponsors

Center for Environment, Health and Field Sciences, Chiba University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria:

Exclusion criteria

Exclusion criteria: 1) Subjects who are in poor physical condition 2) Subjects who do not have respiratory illnesses 3) Subjects deemed inappropriate to participate in this study by the principle investigator

Design outcomes

Primary

MeasureTime frame
1) Near infrared spectroscopy 2) Heart rate variability 3) Heart rate—

Secondary

MeasureTime frame
1) Modified semantic differential method 2) Kwansei Gakuin (KG) daily life questionnaire 3) Trait Anxiety of State-Trait Anxiety Inventory—

Countries

Japan

Contacts

Public ContactYoshifumi Miyazaki

Center for Environment, Health and Field Sciences, Chiba University Nature Therapy Laboratory

ymiyazaki@faculty.chiba-u.jp04-7137-8113

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Feb 4, 2026