Unique ID issued by UMIN | UMIN000058821 |
---|---|
Receipt number | R000065910 |
Scientific Title | influence of scent on the positive effects induced by physical contact |
Date of disclosure of the study information | 2025/08/18 |
Last modified on | 2025/08/12 17:13:06 |
influence of scent on the positive effects induced by physical contact
influence of scent on the positive effects induced by physical contact
influence of scent on the positive effects induced by physical contact
influence of scent on the positive effects induced by physical contact
Japan |
Healthy adults
Adult |
Others
NO
Evaluate the influence of scent inhalation on changes in salivary oxytocin concentrations, heart rate, autonomic nervous function, subjective states (e.g., stress, fatigue, relaxation), and interpersonal emotional responses, all of which are induced by physical contact.
Efficacy
Comparison of changes in salivary oxytocin concentrations from before to 16 minutes after physical contact between odorless and scent inhalation conditions.
Comparison of changes in heart rate from before to after 16 minutes of physical contact between odorless and scent inhalation conditions.
Comparison of changes in autonomic nervous function from before to after 16 minutes of physical contact between odorless and scent inhalation conditions.
Comparison of changes in subjective states from before to after 16 minutes of physical contact between odorless and scent inhalation conditions.
Comparison of changes in interpersonal emotional responses from before to after 16 minutes of physical contact between odorless and scent inhalation conditions.
Comparison of changes in heart rate from before to after 20 minutes of rest between odorless and scent inhalation conditions.
Comparison of changes in autonomic nervous function from before to after 20 minutes of rest between odorless and scent inhalation conditions.
Comparison of changes in subjective states from before to after 20 minutes of rest between odorless and scent inhalation conditions.
Comparison of changes in interpersonal emotional responses from before to after 20 minutes of rest between odorless and scent inhalation conditions.
Interventional
Cross-over
Randomized
Individual
Single blind -participants are blinded
Placebo
2
Treatment
Other |
Test fragrance inhalation (rest 20 min) -> test fragrance inhalation (physical contact 16 min) -> washout (7 days or more) -> odorless air inhalation (rest 20 min) -> odorless air inhalation (physical contact 16 min)
Odorless air inhalation (rest 20 min) -> odorless air inhalation (physical contact 16 min) -> washout (7 days or more) -> test fragrance inhalation (rest 20 min) -> test fragrance inhalation (physical contact 16 min)
18 | years-old | <= |
49 | years-old | >= |
Male and Female
1) Individual who has received sufficient explanation about purpose and content of research, and consenting ability, and who volunteers with his/her free intent and gives written informed consent.
2) Healthy male/female couples aged 18 to under 50 at the time of informed consent.
1) Individuals with irregular menstrual cycles or postmenopausal
2) Individuals who are pregnant, have a child under 2 years old, or are breastfeeding
3) Individuals with respiratory circulatory, psychiatric, or neurological disorders
4) Individuals who have been diagnosed with hypertension, hypotension, or arrhythmia
5) Individuals who are taking medication (including pills) or supplements
6) Smokers
7) Individuals who find the test fragrance offensive
8) Individuals who have been partners for less than 5 months
9) Individual whom principal investigator judged to be inappropriate as a subject
10) Individuals whose partner falls under 1) to 9)
60
1st name | Kazunobu |
Middle name | |
Last name | Okazaki |
Osaka Metropolitan University
Center for Health Science Innovation
5300011
9th floor, Tower C, North Building, Grand Front Osaka, 3-1, Daishin-cho, Kita-ku, Osaka-shi, Japan
06-6485-0288
gr-knky-chsi@omu.ac.jp
1st name | Eriko |
Middle name | |
Last name | Kawai |
Osaka Metropolitan University
Center for Health Science Innovation
5300011
9th floor, Tower C, North Building, Grand Front Osaka, 3-1, Daishin-cho, Kita-ku, Osaka-shi, Japan
06-6485-0288
gr-knky-chsi@omu.ac.jp
Osaka Metropolitan University
MAE Co., Ltd.
Profit organization
Ethics Committee, Center for Health Science Innovation
9th floor, Tower C, North Building, Grand Front Osaka, 3-1, Daishin-cho, Kita-ku, Osaka-shi, Japan
06-6605-2558
gr-knky-chsi@omu.ac.jp
NO
2025 | Year | 08 | Month | 18 | Day |
Unpublished
Preinitiation
2025 | Year | 07 | Month | 01 | Day |
2025 | Year | 08 | Month | 01 | Day |
2026 | Year | 09 | Month | 30 | Day |
2025 | Year | 08 | Month | 18 | Day |
2025 | Year | 08 | Month | 12 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065910