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 |
Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study
Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study
Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study
Effects of matcha on cognitive function by driving simulator: a randomized, double-blind, parallel-group, comparative study
Japan |
healthy adult
Adult |
Others
NO
The aim of this study is to investigate effects of the intake of matcha on cognitive function by driving simulator.
Efficacy
Confirmatory
Pragmatic
Not applicable
Cognirtax
Behavior during driving(reaction time, eye movement etc)
NIRS, Olfactory test
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
YES
NO
Institution is not considered as adjustment factor.
NO
Central registration
2
Prevention
Food |
12-week intake of the test food
12-week intake of the placebo food
60 | years-old | <= |
75 | years-old | > |
Male and Female
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
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.
16
1st name | Chika |
Middle name | |
Last name | Tagata |
ITO EN, LTD
Central Research Institute
421-0516
21 Mekami, Makinohara-shi, Shizuoka 421-0516, Japan
81-548-54-1247
chika-yokoyama@itoen.co.jp
1st name | Chika |
Middle name | |
Last name | Tagata |
ITO EN, LTD
Central Research Institute
421-0516
21 Mekami, Makinohara-shi, Shizuoka 421-0516, Japan
81-548-54-1247
chika-yokoyama@itoen.co.jp
ITO EN, LTD
ITO EN, LTD
Profit organization
Ethical review committee
3-47-10 Honmachi, shibuya-ku, Tokyo
03-5371-7195
k-murayama@itoen.co.jp
NO
2019 | Year | 01 | Month | 21 | Day |
not releasing
Unpublished
not releasing
14
There were no significant
differences between placebo and matcha groups.
2020 | Year | 07 | Month | 22 | Day |
Placebo group: age; 61-71 years old, male/female=6/8
Matcha group: age; 60-70 years old, male/female=6/8
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
no adverse events
Cognirtax
Behavior during driving(reaction time, eye movement etc)
Completed
2018 | Year | 12 | Month | 17 | Day |
2018 | Year | 12 | Month | 20 | Day |
2019 | Year | 01 | Month | 25 | Day |
2019 | Year | 03 | Month | 08 | Day |
2019 | Year | 03 | Month | 13 | Day |
2019 | Year | 03 | Month | 13 | Day |
2019 | Year | 04 | Month | 01 | Day |
2019 | Year | 01 | Month | 16 | Day |
2021 | Year | 01 | Month | 18 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000040509