UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060983
Receipt number R000069740
Scientific Title A study on changes in antiviral immune responses induced by lactic acid bacteria intake: A randomized, double-blind, placebo-controlled, parallel-group trial
Date of disclosure of the study information 2026/03/20
Last modified on 2026/03/18 11:40:37

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Basic information

Public title

A study on changes in antiviral immune responses induced by lactic acid bacteria intake: A randomized, double-blind, placebo-controlled, parallel-group trial

Acronym

A study on changes in antiviral immune responses induced by lactic acid bacteria intake

Scientific Title

A study on changes in antiviral immune responses induced by lactic acid bacteria intake: A randomized, double-blind, placebo-controlled, parallel-group trial

Scientific Title:Acronym

A study on changes in antiviral immune responses induced by lactic acid bacteria intake

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To confirm the effect of study food intake on immune responses

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Antiviral immune cell parameters

Key secondary outcomes

Cytokines
Antiviral gene expression
Cold-like symptoms questionnaire


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


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

8-week daily intake of lactic acid bacteria

Interventions/Control_2

8-week daily intake of placebo (not containing lactic acid bacteria)

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 males and females from 20 to 64 years old.
2) Individuals who self-identify as being susceptible to colds or influenza.
3) Individuals who received sufficient explanation of the purpose and details of the study, have the capacity to provide consent, fully understood the information, voluntarily agreed to participate, and provided written informed consent.

Key exclusion criteria

1) Individuals with severe diseases such as diabetes, renal or hepatic disorders, cardiac diseases, thyroid disorders, adrenal disorders, psychiatric disorders, autoimmune diseases, or other metabolic diseases, or those currently undergoing treatment for these conditions (except for individuals deemed eligible by the principal investigator).
2) Individuals with chronic diseases who routinely take medication.
3) Individuals with atopic dermatitis, bronchial asthma, or chronic bronchitis.
4) Individuals who are unable to refrain from consuming foods containing lactic acid bacteria, bifidobacteria, oligosaccharides, or live microorganisms during the study period.
5) Individuals who plan to regularly visit a clinic or use prescription medications each year due to hay fever or allergic rhinitis.
6) Individuals with a history or current diagnosis of drug dependence or alcohol dependence.
7) Individuals with gastrointestinal diseases or a history of gastrointestinal surgery that may affect digestion or absorption (appendectomy excluded).
8) Individuals who are unable to discontinue supplements or health foods (including Foods for Specified Health Uses and Foods with Functional Claims) during the study period.
9) Individuals who are habitual smokers.
10) Individuals with extremely irregular dietary habits (e.g., one meal per day or insufficient nutritional intake).
11) Individuals with excessive alcohol consumption, defined as more than approximately 60 g of pure alcohol per day.
12) Individuals who are unable to abstain from alcohol for two days prior to the screening and each subsequent test visit.
13) Individuals who report having food allergies to any components of the study product.
14) Individuals engaged in shift work, night work, or physically demanding labor such as heavy lifting.
15) Individuals who go out less than twice a week.

Due to character limitations, part of the exclusion criteria is presented in the 'Other Related Information' section.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Daisuke
Middle name
Last name Tsuge

Organization

Shinagawa Season Terrace Health Care Clinic

Division name

Doctor

Zip code

108-0075

Address

1-2-70, Konan, Minato-ku, Tokyo The 5th floor of Shinagawa season terrace

TEL

03-3452-3382

Email

shibaura@sempos.or.jp


Public contact

Name of contact person

1st name Masanori
Middle name
Last name Numazu

Organization

KSO Corporation

Division name

Clinical Trial Management department

Zip code

105-0023

Address

1-9-7 Shibaura, Minato-ku, Tokyo

TEL

03-3452-7733

Homepage URL


Email

eigyou27@kso.co.jp


Sponsor or person

Institute

KSO Corporation

Institute

Department

Personal name



Funding Source

Organization

Ezaki Glico 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

Ethical Committee of Kobuna Orthopedics Clinic

Address

5-656-17 Joutou-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



Other administrative information

Date of disclosure of the study information

2026 Year 03 Month 20 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

2026 Year 01 Month 22 Day

Date of IRB

2026 Year 01 Month 22 Day

Anticipated trial start date

2026 Year 03 Month 20 Day

Last follow-up date

2026 Year 06 Month 21 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Additional exclusion criteria that could not be included in the main section due to character limitations are provided below.

16) Pregnant individuals, individuals planning to become pregnant during the study period, or individuals who are breastfeeding.
17) Individuals judged as unsuitable for participation based on blood tests or other screening assessments.
18) Individuals who are scheduled to receive vaccinations for infectious diseases during the study period.
19) Individuals who plan to travel abroad during the study period.
20) Individuals who have taken antibiotics within one month prior to the screening test.
21) Individuals who have donated more than 200 mL of blood within the past month or more than 400 mL within the past three months, or have undergone component donation during the same period.
22) Individuals who are currently participating in another study involving food intake, medication use, or topical application of cosmetics, or who plan to participate in such a study.
23) Any other individuals judged as unsuitable for participation by the principal investigator.


Management information

Registered date

2026 Year 03 Month 19 Day

Last modified on

2026 Year 03 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069740