Evaluation of autonomic and central nervous activities, before and after inhalation of odors of Japanese fragrance materials.

Evaluation of autonomic and central nervous activities, before and after inhalation of odors of Japanese fragrance materials. - Evaluation of autonomic and central nervous activities, before and after inhalation of odors of Japanese fragrance materials.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000047510

Enrollment

Registered

2023-04-19

Start date

2022-04-19

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

Healthy adults

Interventions

Inhalation of the test fragrance under natural respiration. Inhalation of the placebo (an odorless air) under natural respiration.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Healthy adult subjects, not less than 20 but less than 45 years old, at the moment of giving informed consent to take part in this trial. (2) Subjects who can give informed consent to participate in this trial, after being provided with an explanation of the protocol detail.

Exclusion criteria

Exclusion criteria: (1) Subjects being poor at sniffing a wide variety of perfume materials. (2) Subjects with the condition of being over-sensitiveness to cold, even during the summer season. (3) Subjects who have suffered from some kind of disease within the last month into this trial, and being under medical treatment. (4) Subjects who have undergone medical treatment for a pollinosis. (5) Subjects having a stuffy nose just like allergic rhinitis, or having no way of smelling sense. (6) Subjects having previous/present medical history of serious diseases in liver, kidney, heart, lung and blood. (7) Pregnant, possibly pregnant, or lactating women. (8) Subjects with some kind of skin symptom, disease or disorder, just like atopic dermatitis. (9) Subjects who have undergone some kind of surgical treatment for the measurement region, within the last six months into this trial. (10) Subjects who are now under other clinical tests with some kind of medicine/food, or took part in those within a month before this trial. (11) Others who have been determined as ineligible for participation, judging from the investigator's opinions.

Design outcomes

Primary

Measure	Time frame
Evaluation of the autonomic and central nervous system	—

Secondary

Measure	Time frame
1. Visual analog scale questionnaire 2. Multiple measurements of emotion using a multiple mood scale 3. Preference assessment	—

Countries

Japan

Contacts

Public ContactLanxi Zhou

OGAWA & CO., LTD. Material Research & Development Division

zhou.lanxi@ogawa.net029-875-5252

Outcome results

None listed

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