| Unique ID issued by UMIN | UMIN000057916 |
|---|---|
| Receipt number | R000066181 |
| Scientific Title | Verification of effects on autonomic nervous system, by inhalation of test products-including aroma |
| Date of disclosure of the study information | 2026/05/21 |
| Last modified on | 2025/10/24 16:58:34 |
Verification of effects on autonomic nervous system, by inhalation of test products-including aroma
Verification of effects on autonomic nervous system, by inhalation of test products-including aroma
Verification of effects on autonomic nervous system, by inhalation of test products-including aroma
Verification of effects on autonomic nervous system, by inhalation of test products-including aroma
| Japan |
Healthy female volunteers
| Adult |
Others
NO
The purpose of this study is to compare the physiological and psychological effects of using fragrances containing synthetic fragrances as air fresheners in women aged 20 to 49 years old, using a placebo fragrance as a control.
Efficacy
Pupillary light reflex
Subjective questionnaire/skin temperature/brain activity
Interventional
Cross-over
Randomized
Individual
Open -no one is blinded
Placebo
2
Prevention
| Other |
Smell the test products-including aromas
Smell the control product
| 20 | years-old | <= |
| 49 | years-old | >= |
Female
(1) Women aged 20 to 50 at the time of obtaining informed consent
(2) Those with a BMI of 18.5 or more and less than 25.0 kg/m2
(3) Individuals who have received a sufficient explanation of the study, can understand the contents, and can give their own informed consent
(1) People who dislike citrus scents such as lemon, herbal scents such as lavender and eucalyptus, and woody scents such as incense and cypress.
(2) People who have a habit of smoking (excluding those who have quit smoking for more than six months)
(3) Those taking foods for specified health uses, foods with functional claims (GABA, lactobacillus drinks for stress relief, etc.), health foods (including supplements), etc. that may affect the study
(4) Persons whose eyes (exotropia, esotropia, ptosis, etc.) or eyelashes are not suitable for pupil measurement
(5) Persons who have dry eyes or other conditions that impede pupil measurement
(6) Persons who are aware of claustrophobia or nyctophobia
(7) Persons who are aware of daily daytime sleepiness or who have irregular sleep hours due to night shifts, etc.
(8) People who are taking medications on an ongoing basis
(9) People who are aware of poor circulation (including people who feel cold hands and feet even in summer)
(10) People who have stuffy noses due to allergic rhinitis, or who cannot distinguish between scents
(11) Persons with external wound at the measurement site
(12) Persons currently participating in clinical trials of other drugs or health foods, or who have completed the trial within 4 weeks
(13) Persons with symptoms of skin diseases such as atopic dermatitis
(14) Persons with a history or current history of serious diseases of the heart, liver, kidneys, digestive system, etc.
(15) Persons who are pregnant, wish to become pregnant, or are breastfeeding
(16) Individuals with chemical sensitivity or allergies to essential oils, alcohol, or synthetic fragrances
(17) Individuals who have experienced or may experience nausea from the smell of alcohol or synthetic fragrances
(18) Individuals who are deemed inappropriate for participation in this study by the principal investigator, etc.
20
| 1st name | Koji |
| Middle name | |
| Last name | Sakamoto |
KOBAYASHI Pharmaceutical Co.,Ltd.
Personal & House Care Product Development Dpmt R&D Headquarters
567-0057
1-30-3,Toyokawa,Ibaraki-city,Osaka 567-0057 Japan
080-3459-9170
k.sakamoto@kobayashi.co.jp
| 1st name | Yuri |
| Middle name | |
| Last name | Tanaka |
KOBAYASHI Pharmaceutical Co.,Ltd.
Personal & House Care Product Development Dpmt R&D Headquarters
567-0057
1-30-3,Toyokawa,Ibaraki-city,Osaka 567-0057 Japan
080-3499-6257
yur.tanaka@kobayashi.co.jp
KOBAYASHI Pharmaceutical Co.,Ltd.
None
Self funding
Chiyoda Paramedical Care Clinic Ethics Committee
3-3-10,Hongoku-cho,Nihonbashi,Chuo-ku,Tokyo JAPAN
03-6225-9005
IRB@cpcc.co.jp
NO
| 2026 | Year | 05 | Month | 21 | Day |
Unpublished
Completed
| 2025 | Year | 04 | Month | 21 | Day |
| 2025 | Year | 04 | Month | 18 | Day |
| 2025 | Year | 05 | Month | 21 | Day |
| 2025 | Year | 05 | Month | 23 | Day |
| 2025 | Year | 05 | Month | 20 | Day |
| 2025 | Year | 10 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066181