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Verification of the effects of supplements containing imidazole dipeptide on cognitive function in the elderly

Verification of the effects of supplements containing imidazole dipeptide on cognitive function in the elderly: a randomized, double-blind, placebo-controlled study - Imidazole dipeptide supplement efficacy test

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000044551
Enrollment
40
Registered
2022-07-10
Start date
2021-05-24
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 adults

Interventions

To intake supplements containing imidazole dipeptide 8 tablets /day for 6 weeks. To intake placebo 8 tablets / day for 6 weeks.

Sponsors

Research Institute of Natural Products
Lead Sponsor
Graduate of Kyushu University Faculty of Agriculture, Laboratory of Systematic Forest and Forest Products Science
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1)persons who is 59 years old or older (2)persons who is generally judged as healthy (3)persons who can give voluntary written consent to participate in the present trial

Exclusion criteria

Exclusion criteria: (1)persons who have any dietary supplements, quasi drugs or medicines which cause same or similar efficacy with the effect evaluated in this study (2)persons who have changed their habitats to take supplements within past 4 weeks. (3)persons who work in night shift or in day and night shift (4)persons who have been treated their illness or prevention in a clinic at their informed consent (5)persons with their medical histories as follows: serious diseases of sugar metabolism, lipid metabolism, hepatic function, renal function, heart, circulatory, respiratory, endocrine system, immune system, or mental illness of the nervous system (6)persons with the medical histories of alcoholism or drug dependence (7)persons who might be developed allergic reaction to foods. (8)persons who are pregnant, breast-feeding, or hope to be pregnant during the study period (9)persons who had always participated in or will participate in any other clinical trial (to use foods/medicine/quasi medicine/medical device) (10)persons who will not be judged suitable to the participants by the investigator

Design outcomes

Primary

MeasureTime frame
Mini Mental State Examination (MMSE) Benton visual marking inspection Standard verbal paired-associate learning test

Countries

Japan

Contacts

Public ContactKoichiro Ohnuki

Research Institute of Natural Products The research and development part

ohnuki@fuk.kindai.ac.jp0948-82-3123

Outcome results

None listed

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