Unique ID issued by UMIN | UMIN000045040 |
---|---|
Receipt number | R000051446 |
Scientific Title | A confirmation study for improving cognitive function with consumption of the test food: A randomized double-blind placebo-controlled trial |
Date of disclosure of the study information | 2021/08/02 |
Last modified on | 2022/06/28 17:11:13 |
A confirmation study for improving cognitive function with consumption of the test food
A confirmation study for improving cognitive function with consumption of the test food
A confirmation study for improving cognitive function with consumption of the test food: A randomized double-blind placebo-controlled trial
A confirmation study for improving cognitive function with consumption of the test food
Japan |
Healthy Japanese subjects
Not applicable | Adult |
Others
NO
To verify the effects of consumption of the test food on cognitive function in healthy Japanese men and women aged 40 or more
Safety,Efficacy
Confirmatory
Pragmatic
Not applicable
The measured value of the standardized score of composite memory at 12 weeks after consumption (12w)
1. The amount of change of the standardized score of composite memory between screening (before consumption; Scr) and 12w
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
3. The amounts of changes of the standardized scores of 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 between Scr and 12w
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
YES
NO
Institution is not considered as adjustment factor.
NO
2
Treatment
Food |
Duration: 12 weeks
Test food: Food containing Citrus depressa extract powder
Administration: Take one capsule with water after breakfast
* Daily dose should be taken within the day. If you forget to take the test food, take it as soon as you remember within the day.
Duration: 12 weeks
Test food: Food not containing Citrus depressa extract powder
Administration: Take one capsule with water after breakfast
* Daily dose should be taken within the day. If you forget to take the test food, take it as soon as you remember within the day.
40 | years-old | <= |
Not applicable |
Male and Female
1. Japanese
2. Men or women
3. Subjects aged 40 or more
4. Healthy subjects
5. Subjects who are aware of the decline in their memory function
6. Subjects who are judged as eligible to participate in the study by the physician
7. Subjects whose scoring of Mini Mental State Examinination (MMSE)-J is 24 or more
8. Subjects who have a "yes" in the validity indicator of Cognitrax on both verbal memory and visual memory
9. Subjects who have a relatively low standardized score of composite memory by Cognitrax
Subjects who
1. are undergoing medical treatment or have a medical history of malignant tumor, heart failure, and myocardial infarction
2. have a pacemaker or an implantable cardioverter defibrillator (ICD)
3. are currently undergoing treatment for any of the following chronic diseases: cardiac arrhythmia, liver disease, kidney disease, cerebrovascular disorder, rheumatism, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases
4. have dementia
5. have mental health issues such as depression disorder, attention deficit/hyperactivity disorder (ADHD), or other issues
6. are smoker at the time of the agreement to participate in this trial or plan to smoke during this trial
7. plan to have surgery from first consumption to two weeks after last consumption
8. take "Foods for Specified Health Uses", "Foods with Functional Claims", or other functional food/beverage at least four times a week
9. take supplements related to improving cognitive functions, such as docosahexaenoic acid, eicosapentaenoic acid, ginkgo leaf extract, tocotrienol, astaxanthin, gamma-aminobutyric acid, phosphatidylserine, and plasmalogen at least four times a week
10. take blue-backed fish such as sardines, mackerel, and saury at least four times a week
11. use devices, equipment, and applications that may affect cognitive functions (e.g., brain training puzzles, brain training games) in daily
12. are currently taking medications (including herbal medicines) and supplements
13. are allergic to medications and/or the test-food-related products (particularly citrus fruit)
14. are pregnant, lactation, or planning to become pregnant
15. have been enrolled in other clinical trials within the last 28 days before the agreement to participate in this trial or plan to participate another trial during this trial
16. are judged as ineligible to participate in the study by the physician
36
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
ORTHOMEDICO Inc.
Okinawa TLO Ltd.
Profit organization
Medical Corporation Seishinkai, Takara Clinic
Nerima Medical Association, Minami-machi Clinic
the ethical committee of the Takara Clinic, Medical Corporation Seishinkai
9F Taisei Building, 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)
2021 | Year | 08 | Month | 02 | Day |
Unpublished
40
Completed
2021 | Year | 07 | Month | 29 | Day |
2021 | Year | 07 | Month | 29 | Day |
2021 | Year | 08 | Month | 03 | Day |
2022 | Year | 01 | Month | 23 | Day |
2021 | Year | 08 | Month | 02 | Day |
2022 | Year | 06 | Month | 28 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051446