UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000059306
Receipt number R000067759
Scientific Title A study to investigate the effects of consuming the test products on immune function: -a randomized, double-blind, placebo-controlled, parallel-group comparison trial-
Date of disclosure of the study information 2025/10/07
Last modified on 2025/10/06 14:44:10

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Basic information

Public title

A study to investigate the effects of consuming the test products on immune function.

Acronym

A study to investigate the effects of consuming the test products on immune function.

Scientific Title

A study to investigate the effects of consuming the test products on immune function: -a randomized, double-blind, placebo-controlled, parallel-group comparison trial-

Scientific Title:Acronym

A study to investigate the effects of consuming the test products on immune function.

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 consumption of test products on immune function.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

NK cell activity

Key secondary outcomes

- Changes in NK cell activity
- pDC activity and its changes, and the rate of change
- Cumulative days with upper respiratory tract infection (URTI) per individual, and cumulative days by severity for each individual
- Cumulative score for each symptom of URTI per individual
- Cumulative days with URTI symptoms in each group, and cumulative days by severity for each group


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



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Duration: 12 weeks
Test product: Test food

Interventions/Control_2

Duration: 12 weeks
Test product: Placebo food

Interventions/Control_3


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

20 years-old <=

Age-upper limit

65 years-old >

Gender

Male and Female

Key inclusion criteria

1) Healthy Japanese men and women aged 20 years or older and under 65 years old at the time of consent
2) Individuals who are aware that they are susceptible to colds and influenza
3) Individuals who have received a full explanation of the purpose and content of this study, are competent to consent, fully understand the contents, and voluntarily volunteer to participate, and who provide written consent to participate in this study.

Key exclusion criteria

1) Suffering from or currently undergoing treatment for serious diseases such as diabetes, kidney disease, liver disease, or heart disease, thyroid disease, adrenal gland disease, psychiatric disease, autoimmune disease, or other metabolic diseases
2) Chronic diseases and regular medication use
3) Atopic dermatitis, bronchial asthma, or chronic bronchitis
4) Planning to visit a doctor or take prescription medication annually for hay fever or allergic rhinitis
5) History or current history of drug or alcohol dependence
6) History of gastrointestinal disease or gastrointestinal surgery that affects digestion and absorption
7) Unable to stop taking supplements or health foods that may affect their immune system during the study period
8) Smoking habit
9) Excessive alcohol consumption
10) Unable to stop taking alcohol for two days prior to the screening test or any other test
11) Declared a food allergy to any component of the study products
12) Day-night shift workers, late-night workers, workers who work from home, and workers engaged in physical labor such as transporting heavy objects
13) Pregnant, intend to become pregnant during the study period, or breastfeeding
14) Unsuitable for study participation based on the blood test results of the screening test
15) Scheduling to receive vaccinations for infectious diseases from one month prior to the screening test until the end of the 12-week test after the start of intake.
16) Scheduling to travel abroad during the study period.
17) Taken antibiotics within one month prior to the screening test.
18) Drawn or donated more than 200 mL of blood within one month or more than 400 mL within three months prior to the consent date.
19) Currently participating in or intend to participate in the trials involving the intake of other foods or pharmaceuticals, or the application of cosmetics.
20) Judged unsuitable for study participation by the principal investigator.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Makoto
Middle name
Last name Kobayashi

Organization

ITO EN, LTD.

Division name

Central Research Institute

Zip code

421-0516

Address

21, Mekami, Makinohara-city, Shizuoka, Japan

TEL

0548-54-1247

Email

m-kobayasi@itoen.co.jp


Public contact

Name of contact person

1st name Yasushi
Middle name
Last name Tanaka

Organization

ITO EN, LTD.

Division name

Central Research Institute

Zip code

421-0516

Address

21, Mekami, Makinohara-city, Shizuoka, Japan

TEL

0548-54-1247

Homepage URL


Email

ya-tanaka@itoen.co.jp


Sponsor or person

Institute

KSO Corporation

Institute

Department

Personal name



Funding Source

Organization

ITO EN, LTD.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

Maebashi North Hospital

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethical Committee of Kobuna Orthopedics Clinic

Address

5-656-17, Joto-machi, Maebashi-shi, Gumma

Tel

027-212-5608

Email

sagawa@mc-connect.co.jp


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 前橋北病院(群馬県)


Other administrative information

Date of disclosure of the study information

2025 Year 10 Month 07 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

Preinitiation

Date of protocol fixation

2025 Year 09 Month 24 Day

Date of IRB

2025 Year 09 Month 25 Day

Anticipated trial start date

2025 Year 10 Month 09 Day

Last follow-up date

2026 Year 01 Month 30 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 10 Month 06 Day

Last modified on

2025 Year 10 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067759