UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000049031
Receipt number R000053444
Scientific Title A clinical study on effect of EGC of cold-brew tea on immune function -a randomized, placebo controlled, double blind, parallel-group comparison clinical test-
Date of disclosure of the study information 2022/09/28
Last modified on 2023/03/30 09:23:20

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Basic information

Public title

A clinical study on effect of EGC of cold-brew tea on immune function
-a randomized, placebo controlled, double blind, parallel-group comparison clinical test-

Acronym

A clinical study on effect of EGC of cold-brew tea on immune function
-a randomized, placebo controlled, double blind, parallel-group comparison clinical test-

Scientific Title

A clinical study on effect of EGC of cold-brew tea on immune function
-a randomized, placebo controlled, double blind, parallel-group comparison clinical test-

Scientific Title:Acronym

A clinical study on effect of EGC of cold-brew tea on immune function
-a randomized, placebo controlled, double blind, parallel-group comparison clinical test-

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study aims to investigate the effect on immune function and safety of continuous intake of test food for 4 weeks in the healthy Japanese males and females aged between 50 and less than 75.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Questionnaire for physical condition and stress

Key secondary outcomes

Blood immune index
Immune cell profiling
Immune index of saliva
Oral flora
Intestinal flora
Body temperature


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


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

The test food tea bag is brewed with water in a 400 mL bottle and drink it as a daily dose for 4 weeks.

Interventions/Control_2

The placebo food tea bag is brewed with water in a 400 mL bottle and drink it as a daily dose 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

50 years-old <=

Age-upper limit

75 years-old >

Gender

Male and Female

Key inclusion criteria

1. Aged between 50 and less than 75 years old.
2. Japanese males and females
3. Those who can input their own data into the electronic diary.
4. Those who received sufficient explanation for the objective and summary of the trial, and voluntarily volunteered to the trial with the agreement of informed consent.

Key exclusion criteria

1. Those who are receiving any types of medicines and/or Chinese medical treatment except a dose of medicine taken only once.
2. Those who have medical treatments such a diet therapy and/or an exercise therapy.
3. Those who had been experiencing a severe disease.
4. Those who currently have or have history of allergic dermatitis, allergic rhinitis, bronchial asthma, and chronic bronchitis.
5. Those who have currently been taking commercially available drugs, quasi-drug products, and foods or supplements with functional claims. However, those who can discontinue taking these foods during the trial period after obtaining informed consent will be allowed to join the trial.
6. Those who have currently been taking yogurts, Lactobacillus or Bifidobacterium containing foods or beverage.
In the case of beverage type or solid type, it is applicable if it is 50g/day or more. In the case of tablet or capsule type, it is applicable if it is ingested more than once specified by the sales company.
7. Those who have currently been taking cold-brew tea.
8. Those who have a drug/food allergy.
9. Those who drink more than 60 g alcohol/day.
10. Those who have excessive smoking habits (21 or more cigarettes / day).
11. Those who work on night shift jobs and the shiftwork.
12. Those who have plans of major change on their lifestyle (e.g. diet, sleep and exercise) during the study period.
13. Those who are planning to travel abroad during the study period.
14. Those who have joined other clinical trials in the past 1 month before receiving informed consent in this study, or are currently joining other clinical trials, or are planning to join other clinical trials.
15. Those who are unsuitable for this trial that judged by the principal investigator.

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Yuji
Middle name
Last name Naito

Organization

Graduate School of Medical Science, Kyoto Prefectural University of Medicine

Division name

Department of Human Immunology and Nutrition Science

Zip code

602-0857

Address

Nakamitama-cho, Seiwainguchi teramachi higashi iru, Kyoto-shi, Kyoto

TEL

075-251-5124

Email

clinical-trial@imeqrd.co.jp


Public contact

Name of contact person

1st name Hirokuni
Middle name
Last name Kayama

Organization

IMEQRD Co., Ltd

Division name

Sales department

Zip code

104-0061

Address

6-2-1 Ginza Chuo-ku Tokyo

TEL

03-6704-5968

Homepage URL


Email

sales-contact@imeqrd.co.jp


Sponsor or person

Institute

Graduate School of Medical Science, Kyoto Prefectural University of Medicine
Department of Human Immunology and Nutrition Science

Institute

Department

Personal name



Funding Source

Organization

Agriculture, Forestry and Fisheries Research Promotion Project Consignment Project Research

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor

National Agriculture and Food Research Organization
Institute of Fruit Tree and Tea Science

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kyoto Prefectural University of Medicine, Clinical Research Review Board

Address

465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, JAPAN

Tel

075-251-5337

Email

rinri@koto.kpu-m.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

2022 Year 09 Month 28 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

2022 Year 03 Month 31 Day

Date of IRB

2022 Year 08 Month 30 Day

Anticipated trial start date

2022 Year 09 Month 29 Day

Last follow-up date

2022 Year 12 Month 16 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 09 Month 27 Day

Last modified on

2023 Year 03 Month 30 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000053444


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name