| Unique ID issued by UMIN | UMIN000059528 |
|---|---|
| Receipt number | R000068094 |
| Scientific Title | Effects of consumption of the test food on decision fatigue in healthy adults: a randomized, placebo-controlled, double-blind, parallel-group comparison study |
| Date of disclosure of the study information | 2025/10/24 |
| Last modified on | 2025/10/24 10:39:09 |
Effects of consumption of the test food on decision fatigue in healthy adults
Effects of consumption of the test food on decision fatigue in healthy adults
Effects of consumption of the test food on decision fatigue in healthy adults: a randomized, placebo-controlled, double-blind, parallel-group comparison study
Effects of consumption of the test food on decision fatigue in healthy adults
| Japan |
Healthy adults
| Not applicable | Adult |
Others
NO
To verify the effects of consumption of the test food on decision fatigue in healthy adults.
Efficacy
Confirmatory
Pragmatic
Not applicable
1. The measured value of fatigue by Visual Analogue Scale (VAS) at 8 weeks after intervention (8w)
1. The measured value of the standardized scores of Reaction Time at 8w, and their change and percentage change from screening
2. The change and percentage change from screening of mental fatigue due to numerous decisions (VAS) at 8w
3. Number of individuals whose response to "feeling mental fatigue due to numerous decisions," "feeling head fatigue," "difficulty in thinking," "low concentration," "low attention," and "low motivation" at 8w, and responses to each item improved by one or more levels at 8w compared with screening
4. The measured values of the standardized scores of Neurocognition Index (NCI), Composite Memory, Verbal Memory, Visual Memory, Psychomotor Speed, Complex Attention, Cognitive Flexibility, Processing Speed, Executive Function, Social Acuity, Reasoning, Working Memory, Sustained Attention, Simple Attention, and Motor Speed at 8w, and their changes and percentage changes from screening
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
Institution is not considered as adjustment factor.
YES
2
Educational,Counseling,Training
| Food |
Duration: Eight weeks
Test product: Modified polyphenol
Duration: Eight weeks
Test product: Placebo
| 18 | years-old | <= |
| Not applicable |
Male and Female
1. Japanese
2. Men or women
3. Adults
4. Healthy individuals
5. Individuals who are aware of frequently making decisions (the act of making various kinds of decisions) in daily life and who feel temporary fatigue due to decision-making
6. Individuals whose total score on the Japanese version of the Decision Fatigue Scale (DFS) is >= 15 and responses of >= 3 on at least five items of the DFS at screening
7. Individuals who are judged as eligible to participate in this study by the physician according to the results of the Beck Depression Inventory 2nd Edition (BDI-II) at screening
8. Individuals whose Mini-Mental State Examination (MMSE) score is >= 24 at screening
9. Individuals whose validity indicator for Reaction Time on Cognitrax is "Yes" at screening
10. Individuals whose standardized score of Reaction Time on Cognitrax is < 90 at screening
11. Individuals whose fatigue (VAS) is >= 50 mm at screening
1. Individuals who are undergoing medical treatment or have a medical history of malignant tumor, heart failure, or myocardial infarction
2. Individuals who have a pacemaker or an implantable cardioverter defibrillator (ICD)
3. Individuals who are currently undergoing treatment for any of the following chronic diseases: cardiac arrhythmia, liver disorder, chronic kidney disease, cerebrovascular disorder, rheumatic disease, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases
4. Individuals who have dementia or a history of psychiatric disorders, such as depression disorder or attention-deficit/hyperactivity disorder (ADHD)
5. Individuals who are taking "Foods for Specified Health Uses" or "Foods with Functional Claims"
6. Individuals who are taking or using medicines (including herbal medicines) or supplements
7. Individuals who regularly consume foods or supplements that may affect cognitive function, such as docosahexaenoic acid (DHA) or eicosapentaenoic acid (EPA)
8. Individuals who take blue-backed fish such as sardines, mackerel, and saury at least four times a week
9. Individuals who use tools, devices, or applications that may affect cognitive function
10. Individuals who are allergic to medicines or foods related to the test product
11. Individuals with irregular sleeping duration or patterns due to night shifts or similar work, or with irregular lifestyles
12. Individuals who currently smoke or began smoking cessation within three months before providing informed consent
13. Individuals who habitually drink >= 60 g/day of alcohol
14. Individuals who are pregnant, lactating, or planning to become pregnant during this study
15. Individuals who 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
16. Individuals who are judged as ineligible to participate in this study by the physician
60
| 1st name | Tsuyoshi |
| Middle name | |
| Last name | Takara |
Medical Corporation Seishinkai, Takara Clinic
Director
141-0022
9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan
03-5793-3623
t-takara@takara-clinic.com
| 1st name | Naoko |
| Middle name | |
| Last name | Suzuki |
ORTHOMEDICO Inc.
R&D Department
112-0002
2F Sumitomo Fudosan Korakuen Bldg., 1-4-1, Koishikawa, Bunkyo-ku, Tokyo, Japan
03-3818-0610
nao@orthomedico.jp
Toyo Sugar Refining Co., Ltd.
Toyo Sugar Refining Co., Ltd.
Profit organization
The ethical committee of the Takara Clinic, Medical Corporation Seishinkai
9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan
03-5793-3623
IRB@takara-clinic.com
NO
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)
| 2025 | Year | 10 | Month | 24 | Day |
Unpublished
Open public recruiting
| 2025 | Year | 10 | Month | 08 | Day |
| 2025 | Year | 10 | Month | 08 | Day |
| 2025 | Year | 10 | Month | 24 | Day |
| 2026 | Year | 06 | Month | 16 | Day |
| 2025 | Year | 10 | Month | 24 | Day |
| 2025 | Year | 10 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000068094