UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000018469 |
|---|---|
| Receipt number | R000021388 |
| Scientific Title | Double-Blind, Placebo-Controlled Study for the Effect of Daily Ingestion of Yabukita green tea and Sun Rouge green tea on the Improvement of Blood Pressure and Eyestrain |
| Date of disclosure of the study information | 2015/07/29 |
| Last modified on | 2016/07/15 13:31:29 |
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Basic information
Public title
Double-Blind, Placebo-Controlled Study for the Effect of Daily Ingestion of Yabukita green tea and Sun Rouge green tea on the Improvement of Blood Pressure and Eyestrain
Acronym
The Effect of Daily Ingestion of the green tea on the improvement of Blood Pressure and Eyestrain
Scientific Title
Double-Blind, Placebo-Controlled Study for the Effect of Daily Ingestion of Yabukita green tea and Sun Rouge green tea on the Improvement of Blood Pressure and Eyestrain
Scientific Title:Acronym
The Effect of Daily Ingestion of the green tea on the improvement of Blood Pressure and Eyestrain
Region
| Japan |
Condition
Condition
Healthy adults
Classification by specialty
| Adult |
Classification by malignancy
Others
Genomic information
YES
Objectives
Narrative objectives1
To prove the clinical usefulness of daily ingestion of Yabukita green tea or Sun Rouge green tea for 12 weeks on blood pressure and eyestrain improvement.
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Pragmatic
Developmental phase
Not applicable
Assessment
Primary outcomes
systolic blood pressure and diastolic blood pressure (hospital blood pressure and home blood pressure), focus-adjustment function
Key secondary outcomes
VAS questionnaire for eyestrain symptoms, intraocular pressure, peripheral blood flow, MDA-LDL,TBARS,SOD,8-OHdG, hs-CRP,adiponectin, ADMA, blood RNA related to functional expression of the green tea-component, total homocysteine, LDL-C
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
YES
Institution consideration
Institution is not considered as adjustment factor.
Blocking
YES
Concealment
No need to know
Intervention
No. of arms
3
Purpose of intervention
Treatment
Type of intervention
| Food |
Interventions/Control_1
Ingestion of Yabukita green tea daily for 12 weeks
Interventions/Control_2
Ingestion of Sun Rouge green tea daily for 12 weeks
Interventions/Control_3
Ingestion of barley tea for 12 weeks
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
| 20 | years-old | <= |
Age-upper limit
| 60 | years-old | > |
Gender
Male and Female
Key inclusion criteria
Subjects whose blood pressure meet either of the following criteria
1. Hospital SBP is 130 mmHg or more and less than 160 mmHg and DBP is less than 100 mmHg
2. Hospital DBP 80 mmHg or more and less than 100 mmHg and SBP is less than 160 mmHg
3. Home SBP is 125 mmHg or more and less than 155 mmHg and DBP is less than 95 mmHg
4. Home DBP is 75 mmHg or more and less than 95 mmHg and SBP is less than 155mmHg
Subjects who agree to participate in the current study with a written informed consent
Key exclusion criteria
1. Subjects who are under treatment and medication for hypertension
2. Subjects who are under treatment and medication for ocular disease (except for myopia, astigmatism, hyperopia, presbyopia, dry eye, and allergc conjunctival disease) or with serious ocular diseases.
3. Subjects who have a major ophthalmic surgical history such as cataract, glaucoma, refractive correction
4. Subjects with serious cerebrovascular, cardiac, hepatic, renal, and / or gastrointestinal diseases, or affected with an infectious disease which is required to report to the authorities
5. Subjects who have a major surgical history related to digestive system such as gastrectomy
6. Subjects with unusually high and/or low blood pressure or abnormal hematological data
7. Subjects with serious anemia
8. Pre- or post-menopausal subjects having complaints of obvious physical changes
9. Subjects who are at risk of having allergic reactions to drugs or foods (especially green tea)
10. Subjects who has high caffeine sensitivity
11. Subjects regularly take medicine, functional foods and/or supplements ( peptide, acetic acid, GABA, geniposidic acid, flavonoids, sesamin, chlorella, olive leaves, garlics, dietary fiber, tomatoes, folic acid, etc.) which would affect the blood pressure
12. Subjects regularly take medicine, functional foods and/or supplements (anthocyanin, lutein, astaxanthin, blueberry, beta-carotene, vitamin, DHA, EPA etc.) which would affect the visual fatigue
13. Heavy smokers, alcohol addicts or subjects with irregular lifestyle
14. Subjects who donate either 400ml whole blood within 12 weeks or 200ml whole blood within 4 weeks or blood components within 2 weeks prior to this study
15. Subjects who are pregnant or expected to be pregnant, or lactating during the study
16. Subjects who participate in other clinical trials within the last one month prior to the current clinical trial
17. Any other medical reasons judged by the principal investigator
Target sample size
108
Research contact person
Name of lead principal investigator
| 1st name | |
| Middle name | |
| Last name | Prof. Jun NISHIHIRA, M.D., Ph.D. |
Organization
Hokkaido Information University
Division name
Department of Medical Management and Informatics
Zip code
Address
59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan
TEL
011-385-4411
nishihira@do-johodai.ac.jp
Public contact
Name of contact person
| 1st name | |
| Middle name | |
| Last name | Dir. Prof. Jun NISHIHIRA, M.D., Ph.D. |
Organization
Hokkaido Information University
Division name
Center of Health Information Science
Zip code
Address
59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan
TEL
011-385-4430
Homepage URL
nishihira@do-johodai.ac.jp
Sponsor or person
Institute
Hokkaido Information University
Institute
Department
Personal name
Funding Source
Organization
Ministry of Agriculture, Forestry and Fisheries
Organization
Division
Category of Funding Organization
Japanese Governmental office
Nationality of Funding Organization
Other related organizations
Co-sponsor
National Food Research Institute,
National Agriculture and Food Research Organization
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Address
Tel
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
| 2015 | Year | 07 | Month | 29 | 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
| 2015 | Year | 06 | Month | 22 | Day |
Date of IRB
Anticipated trial start date
| 2015 | Year | 07 | Month | 29 | Day |
Last follow-up date
| 2015 | Year | 12 | Month | 02 | Day |
Date of closure to data entry
| 2016 | Year | 01 | Month | 14 | Day |
Date trial data considered complete
| 2016 | Year | 01 | Month | 21 | Day |
Date analysis concluded
| 2016 | Year | 02 | Month | 29 | Day |
Other
Other related information
Management information
Registered date
| 2015 | Year | 07 | Month | 29 | Day |
Last modified on
| 2016 | Year | 07 | Month | 15 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000021388
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