Skip to content

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

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000059638
Enrollment
15
Registered
2025-11-04
Start date
2025-11-04
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

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 f

Sponsors

Fujimi Beehouse Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Japanese 2. Men or women 3. Adults 4. Healthy individuals

Exclusion criteria

Exclusion criteria: 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

Design outcomes

Primary

MeasureTime frame
1. Measured value of the immunological vigor score at 8 weeks after intervention (8w)

Secondary

MeasureTime frame
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

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: Jul 3, 2026