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The effect of test foods containing plant extracts on cognitive function

A study to evaluate effects of test food containing plant extracts on cognitive function: a randomized, placebo controlled, double-blind, parallel group comparison study. - A study to evaluate effects of test food containing plant extracts on cognitive function.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000054532
Enrollment
36
Registered
2024-05-31
Start date
2024-05-31
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

Interventions

Take two capsules per day of the active food (soft capsules with plant extracts) (24 weeks) Take two capsules per day of the placebo food (soft capsules without plant extracts) (24 weeks)

Sponsors

ORTHOMEDICO Inc.
Lead Sponsor
Medical Corporation Seishinkai, Takara Clinic Nerima Medical Association, Minami-machi Clinic
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Japanese 2. Men and women 3. Individuals aged between 40 and 69 at the time of agreement to participate in this study 4. Healthy individuals 5. Individuals who notice a decline in memory 6. Individuals whose scoring of the Japanese version of the Mini Mental State Examination (MMSE-J) is 24 or more at Scr 7. Individuals whose scoring of the Japanese version of the MoCA (MoCA-J) is 20 or more at Scr 8. Individuals who have a "yes" in the validity indicator of Cognitrax on both verbal memory and visual memory at Scr 9. Individuals who have relatively low standardized score in composite memory measured using Cognitrax at Scr

Exclusion criteria

Exclusion criteria: Individuals (who/whose) 1. are under treatment or have a history of serious diseases of the heart, liver, kidneys, digestive organs, or others 2. are under treatment or have a history of cardiovascular disease, especially malignant tumor, heart failure, or myocardial infarction 3. have a pacemaker or an implantable cardioverter defibrillator 4. under treatment for any of chronic disease such as cardiac arrhythmia, liver disorder, chronic kidney disease, cerebrovascular disorder, rheumatic disease, diabetes mellitus, dyslipidemia, or hypertension 5. have dementia 6. with suspected insomnia 7. are under treatment or have a history of psychiatric disorder (including depressive symptoms) or cerebrovascular disease 8. drink pure alcohol >= 40 g/day (men) or >= 20 g/day (women) 9. are smokers 10. have a disability of both hands by injuries, surgeries, or other reasons 11. have extremely irregular eating habits or irregular lifestyles by shift work, night work, or other reasons 12. take "Foods for Specified Health Uses" or "Foods with Functional Claims" 13. take medicines (including herbal medicines) or supplements, especially antipsychotic, anti-anxiety, antidepressants, anti-Parkinson, antimanic, antiepileptic, or anticoagulant 14. with allergies (medicines or foods related to test products), especially turmeric 15. are pregnant, lactating, or planning to become pregnant during this study 16. enrolled in other studies within 28 days before the agreement to participate or plan to participate other studies during this study 17. donated blood within one month before the agreement to participate in this study 18. donated 400 mL of whole blood within three months (men) or four months (women) before the agreement to participate in this study 19. blood collection volume exceeds 1,200 mL (men) or 800 mL (women) from 12 months before the agreement to participate until completion of this study 20. are judged as ineligible to participate in this study by the physician

Design outcomes

Primary

MeasureTime frame
1. The measured value of the standardized score of composite memory at 24 weeks after consumption (24w), and the amount and rate of change of it from screening (before consumption; Scr)

Secondary

MeasureTime frame
1. The measured value of the standardized score of composite memory at 12 weeks after intervention (12w), and the amount and rate of change of it from Scr 2. The measured values of the standardized scores of Neurocognition Index (NCI), verbal memory, visual memory, psychomotor speed, reaction time, complex attention, cognitive flexibility, processing speed, executive function, social acuity, reasoning, working memory, sustained attention, simple attention and motor speed at 12w and 24w, and the amount and rate of changes of them from Scr 3. The measured value of score in the Japanese version of Montreal Cognitive Assessment (MoCA-J) at 12w and 24w, and the amount and rate of change from Scr 4. The measured value of total score in the self-administered dementia checklist at 12w and 24w, and the amount and rate of change from Scr 5. The measured value of score in the MIRUDAKE at 12w and 24w, and the amount and rate of change from Scr 6. The measured value of score in the CogEvo at 12w and 24w, and the amount and rate of change from Scr 7. The measured value of high sensitivity C-reactive protein (CRP) at 12w and 24w, and the amount and rate of change from Scr

Countries

Japan

Contacts

Public ContactNaoko Suzuki

ORTHOMEDICO Inc. R&D Department

nao@orthomedico.jp03-3818-0610

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Aug 1, 2026