| Unique ID issued by UMIN | UMIN000059638 |
|---|---|
| Receipt number | R000068211 |
| Scientific Title | Study to verify the effects on immune function in healthy Japanese: a randomized, placebo-controlled, double-blind, parallel-group comparison study |
| Date of disclosure of the study information | 2025/11/04 |
| Last modified on | 2025/11/04 20:14:20 |
Study to verify the effects on immune function in healthy Japanese
Study to verify the effects on immune function in healthy Japanese
Study to verify the effects on immune function in healthy Japanese: a randomized, placebo-controlled, double-blind, parallel-group comparison study
Study to verify the effects on immune function in healthy Japanese
| Japan |
Healthy Japanese
| Not applicable | Adult |
Others
NO
To verify the effects of test food consumption on immune function in healthy Japanese.
Safety,Efficacy
Confirmatory
Pragmatic
Not applicable
1. Measured value of the immunological vigor score at 8 weeks after intervention (8w)
1. Cumulative number of days with cold-like symptoms, maximum duration, and number of onset occurrences per participant during the study period
2. Number of participants exhibiting cold-like symptoms during the study period
3. Cumulative number of days, maximum duration, number of onset occurrences, and severity of general malaise, chills, feverishness, fatigue, sneezing, runny nose, nasal congestion, sore throat, cough, joint pain, muscle pain, and headache for each participant during the study period
4. Number of participants exhibiting general malaise, chills, feverishness, fatigue, sneezing, runny nose, nasal congestion, sore throat, cough, joint pain, muscle pain, and headache during the study period
5. Immunological vigor grade, T lymphocyte age (lower limit), T lymphocyte age (upper limit), CD3+ T cell percentage, CD3+ T cell count, CD3+ T cell count score, CD4+ T cell percentage, CD4+ T cell count, CD8+ T cell percentage, CD8+ T cell count, CD4+ T cell count/CD8+ T cell count ratio, CD4+ T cell count/CD8+ T cell count ratio score, naive T cell percentage, naive T cell count, naive T cell count score, memory T cell percentage, memory T cell count, naive T cell count/memory T cell count ratio, naive T cell count/memory T cell count ratio score, CD56+16- natural killer (NK) cell percentage, CD56+16+ NK cell percentage, NK cell count, NK cell count score, B cell percentage, B cell count, B cell count score, CD8+CD28+ T cell percentage, CD8+CD28+ T cell count, and CD8+CD28+ T cell count score at 8w
6. Relative abundance of fecal bacteria and alpha diversity index at 8w
7. Measured values of white blood cell count (WBC), white blood cell differential (neutrophil percentage, lymphocyte percentage, monocyte percentage, eosinophil percentage, and basophil percentage) at 8w
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
Institution is not considered as adjustment factor.
YES
Central registration
3
Educational,Counseling,Training
| Food |
Duration: 8 weeks
Test product: Gamma-oligosaccharide inclusion complex of Brazilian green propolis supercritical extract (low dose)
Administration: Consume four tablets daily with water after the first meal of the day.
*If a dose is missed, it should be consumed as soon as remembered. The daily dose should be consumed within the same day and should not be carried over to the following day.
Duration: 8 weeks
Test product: Gamma-oligosaccharide inclusion complex of Brazilian green propolis supercritical extract (high dose)
Administration: Consume four tablets daily with water after the first meal of the day.
*If a dose is missed, it should be consumed as soon as remembered. The daily dose should be consumed within the same day and should not be carried over to the following day.
Duration: 8 weeks
Test product: Placebo
Administration: Consume four tablets daily with water after the first meal of the day.
*If a dose is missed, it should be consumed as soon as remembered. The daily dose should be consumed within the same day and should not be carried over to the following day.
| 18 | years-old | <= |
| Not applicable |
Male and Female
1. Japanese
2. Men or women
3. Adults
4. Healthy individuals
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 are taking "Foods for Specified Health Uses" or "Foods with Functional Claims"
5. Individuals who are taking or using medications (including herbal medicines) or supplements
6. Individuals who are allergic to medicines or foods related to the test product
7. Individuals with suspected asthma
8. Individuals who are pregnant, lactating, or planning to become pregnant during this study
9. 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
10. Individuals who are judged as ineligible to participate in this study by the physician
15
| 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
Fujimi Beehouse Co., Ltd.
Fujimi Beehouse 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 | 11 | Month | 04 | Day |
Unpublished
Open public recruiting
| 2025 | Year | 10 | Month | 22 | Day |
| 2025 | Year | 10 | Month | 22 | Day |
| 2025 | Year | 11 | Month | 04 | Day |
| 2026 | Year | 03 | Month | 18 | Day |
| 2025 | Year | 11 | Month | 04 | Day |
| 2025 | Year | 11 | Month | 04 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068211