UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000060829
Receipt number R000069455
Scientific Title The effect of the bifidobacterial probiotics X on the composition of gut microbiota and intestinal environment
Date of disclosure of the study information 2026/04/01
Last modified on 2026/03/05 10:11:21

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Basic information

Public title

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

Acronym

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

Scientific Title

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

Scientific Title:Acronym

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

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine the effect of probiotics X intake on the gut environment

Basic objectives2

Others

Basic objectives -Others

To examine the effect of probiotics X intake on the gut environment

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Abundance of the probiotics X in fecal samples, composition of gut microbiota

Key secondary outcomes

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


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

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 to avoid consumption of probiotic products and yogurt.

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Healthy adults

Key exclusion criteria

Subjects with milk protein allergy

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Takahiro
Middle name
Last name Matsuki

Organization

Yakult Central Institute

Division name

Basic Research Department

Zip code

186-8650

Address

Izumi 5-11, Kunitachi, Tokyo, Japan

TEL

042-577-8960

Email

takahiro-matsuki@yakult.co.jp


Public contact

Name of contact person

1st name Yuki
Middle name
Last name Saito

Organization

Yakult Central Institute

Division name

Basic Research Department

Zip code

186-8650

Address

Izumi 5-11, Kunitachi, Tokyo, Japan

TEL

042-577-8960

Homepage URL


Email

yuki-saito@yakult.co.jp


Sponsor or person

Institute

Yakult Central Institute

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethical committee of Yakult Central Institute

Address

Izumi 5-11, Kunitachi-shi, Tokyo, Japan

Tel

042-577-8960

Email

takahiro-matsuki@yakult.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 04 Month 01 Day


Related information

URL releasing protocol

Manuscript in preparation

Publication of results

Unpublished


Result

URL related to results and publications

Manuscript in preparation

Number of participants that the trial has enrolled

40

Results

Manuscript in preparation

Results date posted

2026 Year 03 Month 05 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Manuscript in preparation

Participant flow

Manuscript in preparation

Adverse events

Manuscript in preparation

Outcome measures

Manuscript in preparation

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2019 Year 06 Month 27 Day

Date of IRB

2019 Year 06 Month 27 Day

Anticipated trial start date

2019 Year 06 Month 27 Day

Last follow-up date

2019 Year 08 Month 22 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 03 Month 05 Day

Last modified on

2026 Year 03 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069455