Verification of effects on autonomic nervous system, by inhalation of test food-inducing aroma

Verification of effects on autonomic nervous system, by inhalation of test food-inducing aroma - Verification of effects on autonomic nervous system, by inhalation of test food-inducing aroma

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051292

Enrollment

Registered

2024-06-14

Start date

2023-06-14

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 male/female volunteers

Interventions

Having a smell of the test food-inducing aromas to the volunteers for 2 min.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Healthy male/female volunteers ranging in age from 30 to 49. (2) Volunteers having less than 30.0 kg/m2 of BMI. (3) Volunteers who can give informed consent to partake in this trial after being provided with an explanation of the protocol detail.

Exclusion criteria

Exclusion criteria: (1) Volunteers being poor at having a smell of any kind of tea. (2) Volunteers falling into the habit of smoking (not less than half a year). (3) Volunteers who have periodically used health-specific / functional (e.g., gamma-aminobutyric acid, L-theanine)/ health foods including supplements, which might affect the trial results. (4) Volunteers with incompatible eyeballs/eyelashes for pupillometry. (5) Volunteers with any hindrances to a pupil measurement (e.g., dry eye). (6) Volunteers having a subjective symptom of claustrophobia and nyctophobia. (7) Volunteers being under some kind of continuous medical treatment. (8) Volunteers with the condition of being over-sensitiveness to cold, even during the summer season. (9) Volunteers with nasal congestion and/or wrong judgement of fragrance. (10) Volunteers having previous/present medical history of serious diseases in heart, liver, kidney, and/or digestive organs. (11) Volunteers with an external injury on their forehead or finger. (12) Volunteers with some kind of skin symptom, disease or disorder (e.g., atopic dermatitis). (13) Pregnant, possibly pregnant, or lactating women. (14) Volunteers who are now under another clinical test with some kind of medicine/food, or partook in that within a month before this trial. (15) Others who have been determined as ineligible for participation, according to the investigator's opinions.

Design outcomes

Primary

Measure	Time frame
Pupil measurement	—

Secondary

Measure	Time frame
1. Subjective questionnaire 2. Skin temperature 3. Near-Infrared spectroscopy	—

Countries

Japan

Contacts

Public ContactMasanori Numa

CPCC Company Limited Clinical Planning Department

cpcc-contact@cpcc.co.jp03-6225-9001

Outcome results

None listed

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