Unique ID issued by UMIN | UMIN000053914 |
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Receipt number | R000061520 |
Scientific Title | Evaluating the relaxation effects of Shikuwasa (Citrus depressa Hayata) essential oil inhalation in young female adults: study protocol for a randomised controlled trial |
Date of disclosure of the study information | 2024/04/01 |
Last modified on | 2024/04/02 16:04:51 |
Evaluating the relaxation effects of Shikuwasa (Citrus depressa Hayata) essential oil inhalation in young female adults: study protocol for a randomised controlled trial
Clinical trial to investigate the relaxation effects of Shikuwasa (Citrus depressa Hayata) essential oil inhalation
Evaluating the relaxation effects of Shikuwasa (Citrus depressa Hayata) essential oil inhalation in young female adults: study protocol for a randomised controlled trial
Clinical trial to investigate the relaxation effects of Shikuwasa (Citrus depressa Hayata) essential oil inhalation
Japan |
Young female adults
Not applicable | Adult |
Others
NO
To explore the short-term relaxation effects of Shikuwasa essential oil in young healthy adults, which is one of the less-studied varieties.
Safety,Efficacy
The tense arousal subscale scores of the Japanese version of the University of Wales Institute of Science and Technology Mood Adjective Checklist [JUMACL] after two minutes of inhalation of Shikuwasa essential oil fragrance or odour-free air.
1. The changes of miosis rate (autonomic nervous activity) before and after inhalation of Shikuwasa essential oil fragrance or odour-free air for 2 minutes.
2. The changes in peripheral skin temperature (autonomic nervous activity) before and after inhalation of Shikuwasa essential oil fragrance or odour-free air for 2 minutes.
3. The changes in cerebral blood flow (central nervous activity) before and after inhalation of Shikuwasa essential oil fragrance or odour-free air for 2 minutes.
4. Visual Analogue Scale (VAS) evaluation of preference and impression regarding Shikuwasa essential oil inhalation or odour-free air inhalation.
5. Adverse events
Interventional
Parallel
Randomized
Individual
Open -no one is blinded
No treatment
YES
YES
Institution is not considered as adjustment factor.
2
Treatment
Other |
inhalation of Shikuwasa essential oil
Inhalation of odour-free air (non-active control condition)
18 | years-old | <= |
39 | years-old | >= |
Male and Female
1.Female aged 18-39 years at the time of obtaining written informed consent.
2.Not being averse to the smell of citrus fruits, including Shikuwasa.
3.Expressing a willingness to participate in the study and providing voluntary consent by signing the informed consent form.
1.Having a history of or currently suffering from clinically problematic respiratory, gastrointestinal, hepatobiliary, haematological, renal, endocrine, cardiovascular, dermatological, or mental disorders.
2.Having a history of serious trauma or surgery within 12 weeks prior to the study.
3.Being sensitive to cold even in summer.
4.Unable to detect odours.
5.Having a history of or suspected allergy to foods (especially citrus fruits) or drugs requiring some kind of medical treatment.
6.Regularly taking psychotropic drugs (e.g. antidepressants, anxiolytics, or hypnotics)
7.Heavy smoker (21 or more cigarettes per day), heavy drinker (regularly drinking more than 60g pure alcohol per day), or having or suspected to have alcohol/substance misuse problems.
8.Regularly taking medicines, eating foods for specified health use, foods with function claims, or health food products that may affect the study results.
9.Being or possibly being pregnant or breastfeeding.
10.Have participated in other clinical trials within 4 weeks prior to the study.
11.Identifications of additional reasons, as deemed by study investigators, rendering the participant unsuitable for inclusion in the study.
40
1st name | Yasuji |
Middle name | |
Last name | Arimura |
University of Miyazaki
Department of Health Care Research, Organization for Promotion of Research and Industry-Academic Regional Collaboration, University of Miyazaki (Kiyotake Branch)
889-1692
Kihara5200, Kiyotake, Miyazaki889-1692, Japan
0985-85-9577
yasuji_arimura@med.miyazaki-u.ac.jp
1st name | Yasuji |
Middle name | |
Last name | Arimura |
University of Miyazaki
Department of Health Care Research, University of Miyazaki (Kiyotake Branch)
889-1692
Kihara5200, Kiyotake, Miyazaki889-1692, Japan
0985-85-9577
yasuji_arimura@med.miyazaki-u.ac.jp
University of Miyazaki
Ogawa & Co., Ltd
Profit organization
Research Ethics Committee of University of Miyazaki
Kihara 5200, Kiyotake, Miyazaki 889-1692, Japan
0985-85-9010
igakubu_kenkyu@med.miyazaki-u.jp
NO
2024 | Year | 04 | Month | 01 | Day |
Unpublished
Open public recruiting
2024 | Year | 02 | Month | 22 | Day |
2024 | Year | 03 | Month | 21 | Day |
2024 | Year | 04 | Month | 01 | Day |
2024 | Year | 06 | Month | 30 | Day |
2024 | Year | 03 | Month | 20 | Day |
2024 | Year | 04 | Month | 02 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000061520
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