Effects of Lactobacillus brevis KB290 on incidence of influenza infection among schoolchildren

Effects of Lactobacillus brevis KB290 on incidence of influenza infection among schoolchildren - Effects of Lactobacillus brevis KB290 on influenza

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015614

Enrollment

1000

Registered

2014-11-06

Start date

2013-10-15

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

influenza

Interventions

A probiotic drink containing Lactobacillus brevis KB290 None

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Schoolchildren who meet both of the following conditions are required. - Who belong to elementary schools in Nasushiobara city which agree to participate in this study. - Whose guardians provide written informed consents.

Exclusion criteria

Exclusion criteria: People who meet any of the following conditions are excluded. - Who has a history of critical illness or is in therapy. - Who is allergic to milk, soy, or apple. - Who has a history of gastrointestinal surgery (excluding appendicitis). - Who lives with employees of Kagome Co., Ltd. - Who is judged disqualified to participate in this test by a leading physician of the test.

Design outcomes

Primary

Measure	Time frame
Rate of subjects diagnosed with influenza by physicians (incidence of influenza)	—

Secondary

Measure	Time frame
- Rate of subjects diagnosed with common cold by physicians (incidence of common cold) - Rate of subjects diagnosed with gastroenteritis by physicians (incidence of gastroenteritis)	—

Countries

Japan

Contacts

Public ContactNaoko Waki

Kagome Co., Ltd. Research & Development Division

Naoko_Waki@kagome.co.jp0287-36-2935

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026