A exploratory study of the effect of yogurt intake on the health condition of elementary school students and school staff

A exploratory study of the effect of yogurt intake on the health condition of elementary school students and school staff - A exploratory study of the effect of yogurt intake on the health condition

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000048217

Enrollment

1900

Registered

2022-11-30

Start date

2022-06-10

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

Adult and child

Interventions

Intake of yogurt on school day for 4 weeks Non-intake of yogurt on school day for 4 weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: School students (1) Elementary school studends (2) Students whose parent or guardian can understand the purpose and the contents of this study, and is willing to provide consent as student's proxy (3) Students who is willing to provide informed ascent School staff (1) School staff over 18 years old (2) School staff who can understand the purpose and the contents of this study, and are willing to provide consent

Exclusion criteria

Exclusion criteria: Subjects who intake yogurt (1) Subjects with allergy or lactose in tolerance (2) Subjects with phenylketonuria Subjects who don't intake yogurt None

Design outcomes

Primary

Measure	Time frame
Percentage of absences due to cold symptoms	—

Secondary

Measure	Time frame
Cold symptoms (frequency and days) Questionnaire of health condition	—

Countries

Japan

Contacts

Public ContactYuka Katsukura

Meiji Co., Ltd Food microbiology and Function Research Laboratories

yuka.katsukura@meiji.com042-632-5842

Outcome results

None listed

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