The effect of the probiotics X on the composition of gut microbiota and intestinal environment

The effect of the bifidobacterial probiotics X on the composition of gut microbiota and intestinal environment - The effect of the bifidobacterial probiotics X on the composition of gut microbiota and intestinal environment

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060829

Enrollment

Registered

2026-04-01

Start date

2019-06-27

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 adults

Interventions

After the 1-week observation period, participants will consume a beverage containing probiotics X for 1 week, followed by a pause for 1 week. During the above periods, all participants are instructed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adults

Exclusion criteria

Exclusion criteria: Subjects with milk protein allergy

Design outcomes

Primary

Measure	Time frame
Abundance of the probiotics X in fecal samples, composition of gut microbiota	—

Secondary

Measure	Time frame
Gene expression profile of gut microbiota, fecal pH, organic acid concentration in fecal samples, analysis of fecal sugar composition, isolation of bacterial strain, metagenomic analysis, microbial metabolites, fecal IgA profile, side effects and adverse events	—

Countries

Japan

Contacts

Public ContactYuki Saito

Yakult Central Institute Basic Research Department

yuki-saito@yakult.co.jp042-577-8960

Outcome results

None listed

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