| 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 |
A study on changes in antiviral immune responses induced by lactic acid bacteria intake: A randomized, double-blind, placebo-controlled, parallel-group trial
A study on changes in antiviral immune responses induced by lactic acid bacteria intake
A study on changes in antiviral immune responses induced by lactic acid bacteria intake: A randomized, double-blind, placebo-controlled, parallel-group trial
A study on changes in antiviral immune responses induced by lactic acid bacteria intake
| Japan |
Healthy adults
| Not applicable | Adult |
Others
NO
To confirm the effect of study food intake on immune responses
Efficacy
Antiviral immune cell parameters
Cytokines
Antiviral gene expression
Cold-like symptoms questionnaire
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
2
Prevention
| Food |
8-week daily intake of lactic acid bacteria
8-week daily intake of placebo (not containing lactic acid bacteria)
| 20 | years-old | <= |
| 65 | years-old | > |
Male and Female
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.
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.
100
| 1st name | Daisuke |
| Middle name | |
| Last name | Tsuge |
Shinagawa Season Terrace Health Care Clinic
Doctor
108-0075
1-2-70, Konan, Minato-ku, Tokyo The 5th floor of Shinagawa season terrace
03-3452-3382
shibaura@sempos.or.jp
| 1st name | Masanori |
| Middle name | |
| Last name | Numazu |
KSO Corporation
Clinical Trial Management department
105-0023
1-9-7 Shibaura, Minato-ku, Tokyo
03-3452-7733
eigyou27@kso.co.jp
KSO Corporation
Ezaki Glico Co., Ltd.
Profit organization
Ethical Committee of Kobuna Orthopedics Clinic
5-656-17 Joutou-machi,Maebashi-shi,Gumma
027-212-5608
sagawa@mc-connect.co.jp
NO
| 2026 | Year | 03 | Month | 20 | Day |
Unpublished
Preinitiation
| 2026 | Year | 01 | Month | 22 | Day |
| 2026 | Year | 01 | Month | 22 | Day |
| 2026 | Year | 03 | Month | 20 | Day |
| 2026 | Year | 06 | Month | 21 | Day |
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.
| 2026 | Year | 03 | Month | 19 | Day |
| 2026 | Year | 03 | Month | 18 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069740