UMIN-CTR Clinical Trial

Basic information
Public title	Effect of Daily Intake of Test Food on Skin Function : A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study
Acronym	Effect of Daily Intake of Test Food on Skin Function
Scientific Title	Effect of Daily Intake of Test Food on Skin Function : A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study
Scientific Title:Acronym	Effect of Daily Intake of Test Food on Skin Function
Region	Japan

Condition
Condition	Healthy Adult
Classification by specialty	Not applicable Adult
Classification by malignancy	Others
Genomic information	NO

Objectives
Narrative objectives1	To prove the effect of test food on skin function associated with 8 weeks daily intake in a randomized, double-blind, placebo-controlled, parallel group study.
Basic objectives2	Safety,Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes	Skin measurement at 4 weeks and 8 weeks after beginning the intake of test food.
Key secondary outcomes	Intestinal flora, stool inspection, VAS questionnaire on skin, bowel diary, survey on subjects' sleeping and mental and physical conditions, blood test, heart rate variability.

Base
Study type	Interventional

Study design
Basic design	Parallel
Randomization	Randomized
Randomization unit	Individual
Blinding	Double blind -all involved are blinded
Control	Placebo
Stratification
Dynamic allocation	NO
Institution consideration
Blocking
Concealment	No need to know

Intervention
No. of arms	2
Purpose of intervention	Prevention
Type of intervention	Food
Interventions/Control_1	Daily ingestion 1 capsule of active test food for 8 weeks.
Interventions/Control_2	Daily ingestion 1 capsule of placebo test food for 8 weeks.
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10

Eligibility
Age-lower limit	30 years-old <=
Age-upper limit	65 years-old >
Gender	Female
Key inclusion criteria	1. Subjects who agree to participate in this study with a written informed consent. 2. Subjects with defecation frequency less than 6 times per week. 3. Subjects with relatively low score of VAS questionnaire about rough skin. 4. Subjects who have few Bifidobacterium and lactic acid bacteria, and a small percentage of the total number of bacteria in the stool sampled at the screening test.
Key exclusion criteria	1. Subjects who has symptoms of atopic dermatitis. 2. Subjects with a clinical history of gastrointestinal cancer or currently under treatment or anti-tumor medication. 3. Subjects with gastrointestinal disorders such as inflammatory bowel syndrome, irritable bowel syndrome, etc. 4. Subjects who has significant abnormal skin condition at the test site. 5. Subjects with serious cerebrovascular, cardiac, hepatic, renal, gastrointestinal diseases, and/or affected with infectious diseases requiring reports to the authorities. 6. Subjects with major surgical history relevant to the digestive system. 7. Subjects with unusually high and/or low blood pressure and/or abnormal hematological data. 8. Subjects with severe anemia. 9. Pre- or post-menopausal women complaining of obvious physical changes. 10. Subjects who are at risk of having allergic reactions to drugs or foods. 11. Subjects who could have a seasonal allergy during this study. 12. Subjects who use gastrointestinal drugs or female hormone once or more a week. 13. Subjects who regularly take functional foods and/or supplements which potentially affect bowel movements. 14. Subjects who regularly take fiber reinforced food and/or yogurt. 15. Subjects who have used or will use antimicrobials between 12 weeks prior to study entry and the end of the study. 16. Heavy smokers, alcohol addicts or subjects with disordered lifestyle. 17. Subjects who donated either 400 ml whole blood within 16 weeks, 200 ml whole blood within 4 weeks, or blood components within 2 weeks, prior to the study. 18. Pregnant or lactating women or women who expect to be pregnant during this study. 19. Subjects who currently participate in other clinical trials, or participated within the last 4 weeks prior to the study. 20. Any other medical and/or health reasons unfavorable to participation in the current study, as judged by the principal investigator.
Target sample size	80

Research contact person
Name of lead principal investigator	1st name Naoyuki Middle name Last name HONMA
Organization	Hokkaido Information University
Division name	Department of Medical Management and Informatics
Zip code	069-8585
Address	59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan
TEL	011-385-4411
Email	hisc-acad.res@s.do-johodai.ac.jp

Public contact
Name of contact person	1st name Naoyuki Middle name Last name HONMA
Organization	Hokkaido Information University
Division name	Health Information Science Center
Zip code	069-8585
Address	59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan
TEL	011-385-4430
Homepage URL
Email	hisc-acad.res@s.do-johodai.ac.jp

Sponsor
Institute	Hokkaido Information University
Institute
Department

Funding Source
Organization	National Agriculture and Food Research Organization
Organization
Division
Category of Funding Organization	Japanese Governmental office
Nationality of Funding Organization	Japan

Other related organizations
Co-sponsor	Mitsubishi Chemical Corporation National Agriculture and Food Research Organization National Institute of Advanced Industrial Science and Technology
Name of secondary funder(s)	Mitsubishi Chemical Corporation

IRB Contact (For public release)
Organization	The ethics committee of Hokkaido Information University
Address	59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan
Tel	011-385-4411
Email	soumu@do-johodai.ac.jp

Secondary IDs
Secondary IDs	NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW

Institutions
Institutions	北海道情報大学　保健センター（北海道）

Other administrative information
Date of disclosure of the study information	2021 Year 07 Month 14 Day

Related information
URL releasing protocol
Publication of results	Unpublished

Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description

Progress
Recruitment status	Completed
Date of protocol fixation	2021 Year 05 Month 26 Day
Date of IRB	2021 Year 05 Month 26 Day
Anticipated trial start date	2021 Year 09 Month 03 Day
Last follow-up date	2021 Year 12 Month 10 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information

Management information
Registered date	2021 Year 07 Month 09 Day
Last modified on	2022 Year 04 Month 05 Day

Link to view the page
URL(English)	https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051169