UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000014970
Receipt number R000017417
Scientific Title Double-blind, placebo-controlled study for the effects of quercetin-rich gold-onion powder on vascular endothelial function.
Date of disclosure of the study information 2014/08/27
Last modified on 2014/08/27 10:32:43

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Basic information

Public title

Double-blind, placebo-controlled study for the effects of quercetin-rich gold-onion powder on vascular endothelial function.

Acronym

Effects of quercetin-rich onion powder on vascular endothelial function.

Scientific Title

Double-blind, placebo-controlled study for the effects of quercetin-rich gold-onion powder on vascular endothelial function.

Scientific Title:Acronym

Effects of quercetin-rich onion powder on vascular endothelial function.

Region

Japan


Condition

Condition

vascular endothelial dysfunction

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The main purpose is to evaluate the effectiveness of continuous ingestion (6 g/day for 4 weeks) of quercetin-rich gold species onion powder on vascular endothelial function in a double-blind, placebo-controlled study. Additionally to evaluate the benefits of onion in reducing body fat, antihypertensive effect, lowering of blood lipids, hypoglycemic effect, platelet aggregation and blood coagulation inhibition, fatigue removal, sleep quality improvement and intestinal regulation.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Phase III


Assessment

Primary outcomes

Fasting and post-prandial effect on FMD (flow-mediated vasodilation)

Key secondary outcomes

Body composition (weight, BMI, fat percentage, abdominal circumference, blood pressure), blood lipids (T-cho, TG, LDL-cho, HDL-cho, VLDL-cho) blood glucose (FBG, HbA1c), blood coagulation system (platelet aggregation, PT, APTT, thrombotest), high sensitivity CRP (hsCRP), VAS questionnaire (fatigue, sleep, defecation frequency etc.)


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

Institution is not considered as adjustment factor.

Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Ingesting 6 g of quercetin-rich gold-species onion powder daily for 4 weeks.

Interventions/Control_2

Ingesting 6 g of ordinary onion powder daily for 4 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

70 years-old >

Gender

Male and Female

Key inclusion criteria

Subjects who agree to participate in the current study with a written informed consent.

Key exclusion criteria

(1) Subjects who are pregnant or under lactation, or ones who would be expected to be pregnant during the study.
(2) Subjects with unusually high and/or low blood pressure, or with abnormal hematological data, or abnormal urine test data.
(3) Subjects who are under medication or receive treatment for chronic ailments (especially cancer, cardiovascular disease, diabetes, dyslipidemia, hypertension etc.)
(4) Subjects who regularly use drugs (especially blood coagulation inhibitor, drugs to treat diabetes, drugs to treat dyslipidemia, antihypertensive drugs etc.)
(5) Subjects with a history of allergy to medicine and food, especially onions
(6) Heavy smokers and alcohol addicts, or subjects with irregular food habits.
(7) Subjects who are suffering from severe cardiac disease, liver disease, renal disease, gastrointestinal disease etc.
(8) Subjects who have undergone major surgery such as gastrectomy, gastrointestinal suture surgery, intestinal resection or any majo surgery in the digestive system.
(9) Subjects with serious anemia.
(10) Subjects who have blood coagulation disorders.
(11) Subjects who are suspected of acute infectious disease morbidity such as influenza.
(12) Subjects who donate 400ml whole blood within 12 weeks or who donate 200ml whole blood within 4 weeks or who donate plasma or platelets within 2 weeks prior to this study.
(13) Subjects who are presently participating in other clinical trials.
(14) Subjects who are not eligible due to physician's judgment.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Prof. Jun Nishihira, M.D.

Organization

Hokkaido Information University

Division name

Department of Medical Management and Informatics

Zip code


Address

59-2, Nishi Nopporo, Ebetsu, 069-8585, Hokkaido Japan.

TEL

011-385-4411

Email

nishihira@do-johodai.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Dir. Prof. Jun Nishihira, M.D.

Organization

Hokkaido Information University

Division name

Health Information Science Center

Zip code


Address

59-2, Nishi Nopporo, Ebetsu, 069-8585, Hokkaido Japan.

TEL

011-385-4411

Homepage URL

http://www01.do-johodai.ac.jp/shoku/

Email

nishihira@do-johodai.ac.jp


Sponsor or person

Institute

Hokkaido Information University

Institute

Department

Personal name



Funding Source

Organization

NOASTEC Foundation (Northern Advancement Center for Science and Technology)

Organization

Division

Category of Funding Organization

Non profit foundation

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Okamoto Plant Breeding Co. Ltd.

Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



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 保健情報センター(北海道)


Other administrative information

Date of disclosure of the study information

2014 Year 08 Month 27 Day


Related information

URL releasing protocol


Publication of results

Partially published


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

2012 Year 07 Month 11 Day

Date of IRB


Anticipated trial start date

2012 Year 08 Month 01 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2014 Year 08 Month 27 Day

Last modified on

2014 Year 08 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000017417


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name