UMIN-CTR Clinical Trial

Basic information
Public title	Effect of Daily Ingestion of Quercetin-Rich Onion on Visceral Fat for 12 weeks: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study
Acronym	Beneficial Effects of Quercetin-Rich Onion on Visceral Fat
Scientific Title	Effect of Daily Ingestion of Quercetin-Rich Onion on Visceral Fat for 12 weeks: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study
Scientific Title:Acronym	Beneficial Effects of Quercetin-Rich Onion on Visceral Fat
Region	Japan

Condition
Condition	Healthy adults
Classification by specialty	Adult
Classification by malignancy	Others
Genomic information	NO

Objectives
Narrative objectives1	To investigate clinical benefits associated with 12 week daily ingestion of the processed food of quercetin-rich onion on visceral fat in a randomized, double-blind, placebo-controlled, parallel group study.
Basic objectives2	Safety,Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2	Pragmatic
Developmental phase

Assessment
Primary outcomes	Visceral fat area at 12 weeks after beginning the ingestion of test food.
Key secondary outcomes	total fat area, subcutaneous fat area, body weight, body mass index, body fat rate, abdominal circumference, hospital blood pressure, home blood pressure, TBARS, serum quercetin

Base
Study type	Interventional

Study design
Basic design	Parallel
Randomization	Randomized
Randomization unit	Individual
Blinding	Double blind -all involved are blinded
Control	Placebo
Stratification	YES
Dynamic allocation	NO
Institution consideration
Blocking	YES
Concealment	Central registration

Intervention
No. of arms	2
Purpose of intervention	Treatment
Type of intervention	Food
Interventions/Control_1	Daily ingestion 9 g of quercetin-rich onion powder for 12 weeks.
Interventions/Control_2	Daily ingestion 9 g of quercetin-free onion powder for 12 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	35 years-old <=
Age-upper limit	65 years-old >
Gender	Male and Female
Key inclusion criteria	1. Subjects who fully understand significance, content and purpose of this study and who agree to participate in this study with a written informed consent. 2. Subjects whose BMI is >=23 kg/m2 and <30 kg/m2.
Key exclusion criteria	1.Subjects who are under physician's advice, treatment, and/or medication for obese, and/or hypertension. 2.Subjects who suspected obesity. 3.Pacemaker or defibrillator users. 4.Subjects whose hospital systolic blood pressure is >=160 mmHg and/or hospital diastolic blood pressure is >=100 mmHg. 5.Subjects who have (or suspected) secondary hypertension such as renovascular hypertension, renal parenchymal hypertension, primary aldosteronism, Cushing's syndrome, hypothyroidism, hyperthyroidism, etc. 6.Subjects with serious cerebrovascular, cardiac, hepatic, renal, gastrointestinal diseases, and/or affected with infectious diseases requiring reports to the authorities. 7.Subjects with major surgical history relevant to the digestive system such as gastrectomy, gastrorrhaphy, enterectomy, etc. 8.Subjects with unusually high and/or low blood pressure and/or abnormal hematological data. 9.Subjects with severe anemia. 10.Pre- or post-menopausal women complaining of obvious physical changes. 11.Subjects who are at risk of having allergic reactions to drugs or foods especially based on onion. 12.Subjects who regularly take medicine, functional foods, and/or supplements which would affect BW and BFR. 13.Subjects who regularly take medicine, functional foods, and/or supplements which would affect blood pressure. 14.Heavy smokers, alcohol addicts or subjects with disordered lifestyle. 15.Subjects who donated either 400 ml whole blood within 16 weeks (women), 12 weeks (men), 200 ml whole blood within 4 weeks (men and women), or blood components within 2 weeks (men and women), prior to the current study. 16.Pregnant or lactating women or women who expect to be pregnant during this study. 17.Subjects who currently participate in other clinical trials, or participated within the last 4 weeks prior to the current study. 18.Any other medical and/or health reasons unfavorable to participation in the current study, as judged by the principal investigator.
Target sample size	70

Research contact person
Name of lead principal investigator	1st name Jun Middle name Last name NISHIHIRA
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	nishihira@do-johodai.ac.jp

Public contact
Name of contact person	1st name Jun Middle name Last name NISHIHIRA, M.D., Ph.D.
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	nishihira@do-johodai.ac.jp

Sponsor
Institute	Hokkaido Information University
Institute
Department

Funding Source
Organization	NARO Bio-oriented Technology Research Advancement Institution
Organization
Division
Category of Funding Organization	Japanese Governmental office
Nationality of Funding Organization	Japan

Other related organizations
Co-sponsor	1. Food Research Institute, NARO 2. Hokkaido Agricultural Research Center, NARO
Name of secondary funder(s)

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	2018 Year 07 Month 17 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	70
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	Main results already published
Date of protocol fixation	2018 Year 05 Month 25 Day
Date of IRB	2018 Year 05 Month 25 Day
Anticipated trial start date	2018 Year 08 Month 01 Day
Last follow-up date	2018 Year 12 Month 20 Day
Date of closure to data entry	2019 Year 02 Month 26 Day
Date trial data considered complete	2019 Year 03 Month 05 Day
Date analysis concluded	2019 Year 03 Month 29 Day

Other
Other related information

Management information
Registered date	2018 Year 07 Month 17 Day
Last modified on	2019 Year 12 Month 30 Day

Link to view the page
URL(English)	https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000038093