臨床研究等提出・公開システム

Date of registration	April. 25, 2022
Last modified on	April. 23, 2024
Trial ID	jRCT1060220011

Scientific Title	A relationship of an appetite and self-efficacy or the smell stimulation in life
Public Title	A relationship of an appetite and self-efficacy or the smell stimulation

Completion date	Feb. 01, 2023
Result actual enrolment	35
Baseline Characteristics	The healthy subject who agreed to participation in response to explanation of this study 18 years or older. Other eligibility criteria were that communication did not have a problem. Furthermore, it was assumed that nasal breathing and oral intake were possible. The real participant was a female college student to have been obtained cooperation of the participation. A participant was women, and the age was 20-22 years old.
Participant flow	The participation in study request was treated with a study briefing session for 112 female college students. As a result, an agreement of the participation was obtained 42 people. However, there was the refusal of seven people because the intervention day of the study became poor physical condition. As a result, the number of people that we were able to conduct an intervention study was actually 35 people.
Adverse events	none
Outcome measures	The presence or absence of odor generated by spraying demonstrated no significant effect on the degree of appetite (no odor VAS score 65.3 point, grilled eel odor VAS score 68.0 point, sandalwood odor VAS score 72.8 point, p=0.665). However, a positive correlation (rs=0.456, p=0.015) was observed between the degree of appetite and post-activity body temperature. Additionally, a positive correlation (rs=0.375, p=0.049) was observed between the degree of appetite and the mood of liveliness and vitality after the activities.
Brief summary	This study aimed to investigate whether the presence or absence of odors (grilled eel, sandalwood) during indoor recreational activities affects appetite and the sense of accomplishment. Additionally, it explored whether appetite is influenced by recreational activities and the corresponding physical and mood states. Conclusion: Factors influencing appetite include engaging in daily activities that foster "liveliness and vitality" and maintaining an appropriate body temperature.
Date of posting of results summaries	Feb. 01, 2024
Date of the first journal publication of results	Feb. 01, 2024
URL hyperlink(s) related to results and publications	https://doi.org/10.5264/eiyogakuzashi.82.24

Plan to share IPD	No
URL link to protocol file(s) with version and date	https://jrct.mhlw.go.jp/latest-detail/jRCT1060220011

Contact for Scientific Queries	Name	Ishinaga Kojiro
	Affiliation	Hiroshima Jogakuin University
	Address	4-13-1 Ushita-higashi, Higashi-ku, Hiroshima 732-0063, Japan
	Telephone	+81-825558265
	E-mail	koujirou@gaines.hju.ac.jp
Contact for Public Queries	Name	Ishinaga Kojiro
	Affiliation	Hiroshima Jogakuin University
	Address	4-13-1 Ushita-higashi, Higashi-ku, Hiroshima 732-0063, Japan
	Telephone	+81-825558265
	E-mail	koujirou@gaines.hju.ac.jp

Recruitment status	Complete

Anticipated date of first enrollment		April. 25, 2022
Actual date of first enrollment		May. 19, 2022
Target sample size		40
Study Type		Observational
Key inclusion & exclusion criteria	Inclusion Criteria	The healthy subject who agreed to participation in response to explanation of this study 18 years or older
	Exclusion Criteria	The person with rhinitis allergy
	Age Minimum	18age old over
	Age Maximum	No limit
	Gender	Both
Health Condition(s) or Problem(s) Studied		Anorexia
Primary Outcome(s)		A VAS (Visual Analogue Scale) of appetite and emotional responses induced smell.

Primary Sponsor	Hiroshima Jogakuin University

Secondary Sponsor

Secondary Sponsor

Name of Certified Review Board	The ethical review committee of the Hiroshima Jogakuin University
Address	4-13-1 Ushita-higashi, Higashi-ku, Hiroshima, Hiroshima
Telephone	+81-825558265
E-Mail	koujirou@gaines.hju.ac.jp
Approval Status	Approval
Date of approval	Mar. 28, 2022

Countries of Recruitment（Except Japan）	none

History of Changes

No	Publication date
4	April. 23, 2024	(this page)	Changes
3	Aug. 03, 2022	Detail	Changes
2	July. 26, 2022	Detail	Changes
1	April. 25, 2022	Detail

List of change history