UMIN-ICDS Clinical Trial

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

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Basic information

Public title

Study to verify the effects on immune function in healthy Japanese

Acronym

Study to verify the effects on immune function in healthy Japanese

Scientific Title

Study to verify the effects on immune function in healthy Japanese: a randomized, placebo-controlled, double-blind, parallel-group comparison study

Scientific Title:Acronym

Study to verify the effects on immune 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 test food consumption on immune function in healthy Japanese.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

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

Key secondary outcomes

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


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

Central registration


Intervention

No. of arms

3

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Food

Interventions/Control_1

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.

Interventions/Control_2

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.

Interventions/Control_3

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.

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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Japanese

2. Men or women

3. Adults

4. Healthy individuals

Key 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

Target sample size

15


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

Fujimi Beehouse Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Fujimi Beehouse 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 11 Month 04 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 10 Month 22 Day

Date of IRB

2025 Year 10 Month 22 Day

Anticipated trial start date

2025 Year 11 Month 04 Day

Last follow-up date

2026 Year 03 Month 18 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 11 Month 04 Day

Last modified on

2025 Year 11 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068211