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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

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000035559
Enrollment
16
Registered
2019-01-21
Start date
2019-01-25
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy adult

Interventions

Sponsors

ITO EN, LTD
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

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

Exclusion criteria

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.

Design outcomes

Primary

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

Secondary

MeasureTime frame
NIRS, Olfactory test

Countries

Japan

Contacts

Public ContactChika Tagata

ITO EN, LTD Central Research Institute

chika-yokoyama@itoen.co.jp81-548-54-1247

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026