Effect of Different Intake Frequencies of Lactobacillus pentosus Strain B240 on Mucosal Immune Function

Effect of Different Intake Frequencies of Lactobacillus pentosus Strain B240 on Mucosal Immune Function - Effect of Different Intake Frequencies of Lactobacillus pentosus Strain B240 on Mucosal Immune Function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058719

Enrollment

Registered

2025-08-15

Start date

2025-09-01

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

None listed

Interventions

Intake of one Lactobacillus pentosus strain B240 tablet per day (containing two times ten to the power of nine CFU of Lactobacillus B240) for 28 consecutive days. Intake of one Lactobacillus pentosus

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy male and female adults aged 18 to 30 years who agree to participate in this study and comply with the study protocol.

Exclusion criteria

Exclusion criteria: Members of university athletic clubs. Individuals undergoing continuous medical treatment for any disease. Individuals who will receive vaccinations during the study period. Individuals for whom the principal investigator, who is a physician, deems it inappropriate to perform the exercise stress test.

Design outcomes

Primary

Measure	Time frame
Changes in salivary secretory immunoglobulin A (SIgA) concentration, secretion rate, and secretion volume, measured after acute high-intensity exercise before intake and during the Lactobacillus intake period (week 1, week 2, week 3, and week 4).	—

Countries

Japan

Contacts

Public ContactMasayuki Kobayashi

Waseda University Graduate School of Sport Sciences

m.kobayashi@asagi.waseda.jp04-2947-6848

Outcome results