UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000035559
Receipt number R000040509
Scientific Title Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study
Date of disclosure of the study information 2019/01/21
Last modified on 2021/01/18 10:20:32

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Basic information

Public title

Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study

Acronym

Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study

Scientific Title

Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study

Scientific Title:Acronym

Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study

Region

Japan


Condition

Condition

healthy adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The aim of this study is to investigate effects of the intake of matcha on cognitive function by driving simulator.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Cognirtax

Behavior during driving(reaction time, eye movement etc)

Key secondary outcomes

NIRS, Olfactory test


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

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

12-week intake of the test food

Interventions/Control_2

12-week intake of the placebo food

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

60 years-old <=

Age-upper limit

75 years-old >

Gender

Male and Female

Key inclusion criteria

1)Age: 60 and over, less than 75
2)Sex: Males and females with Japanese nationality
3)Those who are aware of a decline in cognitive function
4)Those who are driving on a daily basis
5)Those who can take 9 capsules a day for 12 weeks on a continuous basis
6)Non-smoker

Key exclusion criteria

1)Currently in treatment with medication or seeing a doctor for treatment
2)Previous history of hepatic disorder or severe disorder related to kidney, endocrine, cardiovascular system, gastro-intestine, lung, blood, or metabolism, or currently presence of complications
3)Previous history of drug allergy or food allergy
4)Regular intake of a food product or supplements with a possible influence on cognitive function
5)Regular intake of drug with a possible influence on cognitive function
6)Extreme faddiness
7)Extremely irregular lifestyle such as a dietary pattern and a sleeping pattern
8)Suspicion of insomnia
9)Presence or previous history of mental disorder (depression, etc.)
10)Presence or previous history of alcoholism
11)Current participation in another clinical trial or participation in another clinical trial within the last three months
12)Irregular work hours such as working on night shift
13)Those who received diagnosis of diseases related to dementia such as Alzheimer's disease, MCI
14)Pregnant
15)Hearing impaired person
16)Other than the above, the principal investigator judged that the subject was ineligible for the study.

Target sample size

16


Research contact person

Name of lead principal investigator

1st name Chika
Middle name
Last name Tagata

Organization

ITO EN, LTD

Division name

Central Research Institute

Zip code

421-0516

Address

21 Mekami, Makinohara-shi, Shizuoka 421-0516, Japan

TEL

81-548-54-1247

Email

chika-yokoyama@itoen.co.jp


Public contact

Name of contact person

1st name Chika
Middle name
Last name Tagata

Organization

ITO EN, LTD

Division name

Central Research Institute

Zip code

421-0516

Address

21 Mekami, Makinohara-shi, Shizuoka 421-0516, Japan

TEL

81-548-54-1247

Homepage URL


Email

chika-yokoyama@itoen.co.jp


Sponsor or person

Institute

ITO EN, LTD

Institute

Department

Personal name



Funding Source

Organization

ITO EN, LTD

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethical review committee

Address

3-47-10 Honmachi, shibuya-ku, Tokyo

Tel

03-5371-7195

Email

k-murayama@itoen.co.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

2019 Year 01 Month 21 Day


Related information

URL releasing protocol

not releasing

Publication of results

Unpublished


Result

URL related to results and publications

not releasing

Number of participants that the trial has enrolled

14

Results

There were no significant
differences between placebo and matcha groups.

Results date posted

2020 Year 07 Month 22 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Placebo group: age; 61-71 years old, male/female=6/8

Matcha group: age; 60-70 years old, male/female=6/8

Participant flow

Screening, n=24
Met inclusion criteria, n=20
Allocation, placebo/matcha=9/10
Withdrawal(placebo),get travel-sick;1, missing primary outcome data;1
Withdrawal(matcha),get travel-sick;2,personal issue;1
Per protocol analysis, placebo/matcha=6/7

Adverse events

no adverse events

Outcome measures

Cognirtax
Behavior during driving(reaction time, eye movement etc)

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2018 Year 12 Month 17 Day

Date of IRB

2018 Year 12 Month 20 Day

Anticipated trial start date

2019 Year 01 Month 25 Day

Last follow-up date

2019 Year 03 Month 08 Day

Date of closure to data entry

2019 Year 03 Month 13 Day

Date trial data considered complete

2019 Year 03 Month 13 Day

Date analysis concluded

2019 Year 04 Month 01 Day


Other

Other related information



Management information

Registered date

2019 Year 01 Month 16 Day

Last modified on

2021 Year 01 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000040509


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name