Effects of dietary supplement containing peanuts components on cognitive functions in healthy Japanese adults

Effects of dietary supplement containing peanuts components on cognitive functions in healthy Japanese adults: A randomized double-blind placebo-controlled trial-blind placebo-controlled trial - Effects of dietary supplement containing peanuts components on cognitive functions in healthy Japanese adults

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041006

Enrollment

Registered

2021-08-08

Start date

2020-07-06

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 Japanese adults aged 60 and over

Interventions

To take 15 dietary supplements containing peanuts components per day for 4 weeks To take 15 placebo per day for 4 weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1)Persons who are generally judged as a healthy person and his age is between 60 years-old and 85 years-old (2)Persons who can give voluntary written consent to participate in the present trial

Exclusion criteria

Exclusion criteria: (1) Persons who are on night duty or have the day and the night shift. (2)Persons who have been treated their illness such as hormone replacement therapy and drug/exercise/diet therapy, or judged as a condition needs to be treated at medical institute. (3)Persons with their medical histories as follows: serious diseases of glyco metabolism, lipid metabolism, hepatic function, renal function, heart, circulatory organ, respiratory organs, endocrine system, immune system, nervous system or mental illness (4)Persons with the medical histories of alcoholism or drug dependence (5)Persons who might be developed allergic reaction to foods. (6)Persons who are pregnant, at the lactation period or wish to get pregnant during this trial period. (7)Persons who had participated in or will participate in any other clinical trial (to use foods/medicine/quasi medicine/medical device for humans) (8)Persons who judged as non-suitable participants in the present trial by the investigator.

Design outcomes

Primary

Measure	Time frame
1.The measured values of Benton Visual Retention Test at right before and after 4 weeks to take the dietary supplements 2.The measured values of Standard verbal paired-associate learning test at right before and after 4 weeks to take the dietary supplements	—

Secondary

Measure	Time frame
The measured values of Mini-Mental State Examination(MMSE) at right before and after 4 weeks to take the dietary supplements	—

Countries

Japan

Contacts

Public ContactKuniyoshi Shimizu

Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences

shimizu@agr.kyushu-u.ac.jp092-802-4675

Outcome results

None listed

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