UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000019564
Receipt number R000022620
Scientific Title An intervention study of green-tea drinking effects on biomarkers of lifestyle-related diseases
Date of disclosure of the study information 2015/10/30
Last modified on 2019/11/01 12:27:57

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Basic information

Public title

An intervention study of green-tea drinking effects on biomarkers of lifestyle-related diseases

Acronym

Effects of green tea on lifestyle-related disease biomarkers

Scientific Title

An intervention study of green-tea drinking effects on biomarkers of lifestyle-related diseases

Scientific Title:Acronym

Effects of green tea on lifestyle-related disease biomarkers

Region

Japan


Condition

Condition

allergic reaction

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To assess the effects of green tea on the biomarkers of inflammation and antibodies against chemical substance such as TDI

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

TDI-specific IgG antibody(6 months after intervention)

Key secondary outcomes

total (non-specific) IgG, IgE
specific IgG against chemical agents (Bisphenol A diglycidyl ether, phthalic anhydride, p-phenylenediamine, formaldehyde, glutaraldehyde, acrylamide, ethylenediamine, Hexamethylene diisocyanate, methyl methacrylate, trimellitic anhydride, glycidyl methacrylate)


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Equal to or more than 6 cups of green tea per day (approximately 10 g green tea), for 6 months

Interventions/Control_2


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

20 years-old <=

Age-upper limit

75 years-old >=

Gender

Male and Female

Key inclusion criteria

volunteers aged 20-75 years old

Key exclusion criteria

1. individuals with a history of heart failure or cardiac infarction
2. individuals with disease(s) of upper-gastrointestinal tract such as gastric ulcer
3. pregnant women or women with intending to become pregnant, and lactating women
4. individuals judged by the doctor to be unsuitable

Target sample size

150


Research contact person

Name of lead principal investigator

1st name Chihaya
Middle name
Last name Koriyama

Organization

Kagoshima University

Division name

Graduate School of Medical and Dental Sciences, Dept. of Epidemiology and Preventive Medicine

Zip code

890-8544

Address

8-35-1 Sakuragaoka, Kagoshima, Japan

TEL

099-275-5298

Email

fiy@m.kufm.kagoshima-u.ac.jp


Public contact

Name of contact person

1st name Chihaya
Middle name
Last name Koriyama

Organization

Kagoshima University

Division name

Graduate School of Medical and Dental Sciences, Dept. of Epidemiology and Preventive Medicine

Zip code

890-8544

Address

8-35-1 Sakuragaoka, Kagoshima, Japan

TEL

099-275-5298

Homepage URL


Email

fiy@m.kufm.kagoshima-u.ac.jp


Sponsor or person

Institute

Shibushi Research Council for Functional Capability of Green Tea

Institute

Department

Personal name



Funding Source

Organization

To measure outcomes: University of Occupational and Environmental Health(PI: Mayumi Tsuji)

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor

University of Occupational and Environmental Health

Name of secondary funder(s)

To conduct intervention study by green-tea drinking: Shibushi City


IRB Contact (For public release)

Organization

Kagoshima University Graduate School of Medical and Dental Sciences

Address

8-35-1 Sakuragaoka, Kagoshima, Japan

Tel

099-275-6091

Email

isgskkrs@kuas.kagoshima-u.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



Other administrative information

Date of disclosure of the study information

2015 Year 10 Month 30 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

No longer recruiting

Date of protocol fixation

2015 Year 09 Month 01 Day

Date of IRB


Anticipated trial start date

2015 Year 11 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

2015 Year 10 Month 29 Day

Last modified on

2019 Year 11 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000022620


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name