UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058493
Receipt number R000066874
Scientific Title Effects of consumption of the test food on cognitive function in healthy Japanese: a randomized, placebo-controlled, double-blind, parallel-group comparison study
Date of disclosure of the study information 2025/07/16
Last modified on 2025/07/16 18:23:12

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Basic information

Public title

Effects of consumption of the test food on cognitive function in healthy Japanese

Acronym

Effects of consumption of the test food on cognitive function in healthy Japanese

Scientific Title

Effects of consumption of the test food on cognitive function in healthy Japanese: a randomized, placebo-controlled, double-blind, parallel-group comparison study

Scientific Title:Acronym

Effects of consumption of the test food on cognitive function in healthy Japanese

Region

Japan


Condition

Condition

Healthy Japanese

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify the effects of consumption of the test food on cognitive function in healthy Japanese.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

1. The measured value of the standardized score of Verbal Memory at 12 weeks after intervention (12w)

Key secondary outcomes

1. The amount and percentage of change of the standardized score of Verbal Memory from screening (Scr) to 12w

2. The measured values of the standardized scores of each cognitive domain {Neurocognition Index (NCI), Composite 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 the amount and percentage of changes of them from Scr

3. The measured values of Physical Component Summary (PCS), Mental Component Summary (MCS), Role/Social Component Summary (RCS), Physical Functioning (PF), Role Physical (RP), Bodily Pain (BP), General Health (GH), Vitality (VTPF), Social Functioning (SF), Role Emotional (RE), and Mental Health (MH) at 12w


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment



Intervention

No. of arms

2

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Food

Interventions/Control_1

Duration: 12 weeks
Test product: Tablet containing ripened Korean red ginseng extract powder
Administration: Take three tablets per day at any time during the day.

*If you forget to take the test food, take it as soon as you remember. The daily dose should be taken within the day and not carried over to the next day.

Interventions/Control_2

Duration: 12 weeks
Test product: Tablet not containing ripened Korean red ginseng extract powder
Administration: Take three tablets per day at any time during the day.

*If you forget to take the test food, take it as soon as you remember. The daily dose should be taken within the day and not carried over to the next day.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

40 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Japanese
2. Men or women
3. Individuals aged 40 or more
4. Healthy individuals
5. Individuals who are aware of a decline in memory (e.g., difficulty finding or recalling words)
6. Individuals whose scoring of Mini Mental State Examination (MMSE) is 24 or more at Scr
7. Individuals whose validity indicator for Verbal Memory on Cognitrax is marked as "yes" at Scr
8. Individuals whose standardized score of Verbal Memory on Cognitrax is less than 90 at Scr

Key exclusion criteria

Individuals who
1. under treatment or have a history of malignant tumor, heart failure, or myocardial infarction
2. have a pacemaker or an implantable cardioverter defibrillator
3. under treatment for cardiac arrhythmia, liver disorder, chronic kidney disease, cerebrovascular disorder, rheumatic disease, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases
4. have dementia
5. have a history of mental health issues (e.g., depression disorder, attention deficit/hyperactivity disorder), reflux esophagitis, HIV, mitochondrial toxicity, long-term hepatitis C liver disease, hypercholesterolemia, chronic renal failure, valve replacement surgery, coronary artery stent, or gastric bypass surgery
6. need to take antipyretic analgesic (e.g., acetaminophen or ibuprofen) for a long term
7. take a large amount of caffeine (more than 3~4 cups a day)
8. are smokers or have not completed one year since starting to quit smoking
9. take "Foods for Specified Health Uses" or "Foods with Functional Claims"
10. take supplements or foods that may be related to improving cognitive functions (e.g., docosahexaenoic acid, eicosapentaenoic acid, ginkgo leaf extract, tocotrienol, astaxanthin, gamma-aminobutyric acid, phosphatidylserine, or plasmalogen)
11. take blue-backed fish (e.g., sardines, mackerel, or saury) at least four times a week
12. use devices, equipment, or applications that may affect cognitive functions (e.g., brain training puzzles or brain training games)
13. take or use medicines (including herbal medicines) or supplements
14. are allergic to medicines or foods related to the test food (particularly ginseng (Korean ginseng))
15. are pregnant, lactating, or planning to become pregnant during this study
16. have been enrolled in other clinical studies within the last 28 days before the agreement to participate in this study or plan to participate in another study during this study
17. judged as ineligible to participate in this study by the physician

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Tsuyoshi
Middle name
Last name Takara

Organization

Medical Corporation Seishinkai, Takara Clinic

Division name

Director

Zip code

141-0022

Address

9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan

TEL

03-5793-3623

Email

t-takara@takara-clinic.com


Public contact

Name of contact person

1st name Naoko
Middle name
Last name Suzuki

Organization

ORTHOMEDICO Inc.

Division name

R&D Department

Zip code

112-0002

Address

2F Sumitomo Fudosan Korakuen Bldg., 1-4-1, Koishikawa, Bunkyo-ku, Tokyo, Japan

TEL

03-3818-0610

Homepage URL


Email

nao@orthomedico.jp


Sponsor or person

Institute

KIM's Korean Ginseng Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

KIM's Korean Ginseng Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The ethical committee of the Takara Clinic, Medical Corporation Seishinkai

Address

9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan

Tel

03-5793-3623

Email

IRB@takara-clinic.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

医療法人社団盛心会 タカラクリニック (東京都)
Medical Corporation Seishinkai, Takara Clinic (Tokyo, Japan)

南町医院 (東京都)
Nerima Medical Association, Minami-machi Clinic (Tokyo, Japan)


Other administrative information

Date of disclosure of the study information

2025 Year 07 Month 16 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2025 Year 07 Month 09 Day

Date of IRB

2025 Year 07 Month 09 Day

Anticipated trial start date

2025 Year 07 Month 16 Day

Last follow-up date

2026 Year 03 Month 13 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 07 Month 16 Day

Last modified on

2025 Year 07 Month 16 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066874