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A study to evaluate the effects of lactic acid bacteria on brain health and cognitive function in healthy children,

A randomized, placebo-controlled, double blind, parallel study to evaluate the effects of lactic acid bacteria on brain health and cognitive function in healthy children, - A randomized, placebo-controlled, double blind, parallel study to evaluate the effects of lactic acid bacteria on brain health and cognitive function in healthy children,

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000058366
Enrollment
60
Registered
2026-04-01
Start date
2025-07-19
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

Healthy subjects

Interventions

12-week continuous intake of the test food containing lactic acid bacteria 12-week continuous intake of the placebo food without lactic acid bacteria

Sponsors

Mibyou Life Science Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Subjects who are native Japanese speakers, currently enrolled in regular third- or fourth-grade elementary school classes at the time of consent (born between April 2, 2015 and April 1, 2017). 2) Subjects who are not receiving any medical treatment. 3) Subjects who are able to attend scheduled assessments and complete required records. 4) Subjects who, along with their legally authorized representatives (parents/guardians), have received sufficient explanation about the study and have voluntarily provided written informed consent.

Exclusion criteria

Exclusion criteria: 1) Subjects who have been diagnosed with any neurodevelopmental disorders, intellectual disabilities, or other psychiatric conditions. 2) Subjects who have a history of serious disorders related to glucose metabolism, lipid metabolism, liver function, kidney function, heart, circulatory system, respiratory system, digestive system, endocrine system, immune system, or nervous system. 3) Subjects who have visual or auditory impairments or related disorders. 4) Subjects who have allergies to drugs or foods that may affect the study. 5) Subjects who are unable to refrain from consuming specified health foods, including Foods for Specified Health Uses (FOSHU), foods with functional claims, or other dietary supplements during the study period. 6) Subjects who are unable to consume the test food as instructed. 7) Subjects who are currently participating in another clinical trial or investigational study. 8) Subjects who are unable to follow the instructions of the principal investigator or are deemed unsuitable for participation by the principal investigator.

Design outcomes

Primary

MeasureTime frame
Executive function related to learning and memory, assessed by Digit Span, Go/No-Go task, and Stroop test

Secondary

MeasureTime frame
Autonomic nervous system activity (SDNN, LF, HF, LF/HF), Strengths and Difficulties Questionnaire (SDQ; parent-reported), Gut microbiota composition (T-RFLP analysis)

Countries

Japan

Contacts

Public ContactSoichi Yoneda

Mibyou Life Science Inc. Clinical Trial Division

renraku@mibyou-ls.com03-6256-9600

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Aug 7, 2026