UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062366
Receipt number R000071376
Scientific Title A before-and-after interventional study of the effects of consuming a beverage containing wheat fermentation extract on the gut microbiota of healthy adults and adults with mild chronic symptoms
Date of disclosure of the study information 2026/07/31
Last modified on 2026/07/28 15:20:06

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

A study to investigate the effects of a beverage containing wheat fermentation extract on the balance of gut microbiota

Acronym

Wheat Fermentation Extract Beverage and Gut Microbiota Study

Scientific Title

A before-and-after interventional study of the effects of consuming a beverage containing wheat fermentation extract on the gut microbiota of healthy adults and adults with mild chronic symptoms

Scientific Title:Acronym

Wheat Fermentation Extract Gut Microbiota Before-and-After Study

Region

Japan


Condition

Condition

Healthy adults and adults with mild chronic symptoms that do not substantially interfere with daily life

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of 12-week consumption of a beverage containing wheat fermentation extract, whose main functional component is lipopolysaccharide (LPS), on the gut microbiota of healthy adults and adults with mild chronic symptoms who are not receiving regular medical treatment.

Basic objectives2

Others

Basic objectives -Others

Biological effects on the composition and diversity of gut microbiota

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change from baseline to week 12 in the diversity and taxonomic composition of gut microbiota assessed by 16S rRNA gene amplicon sequencing of fecal samples.

Key secondary outcomes



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

Participants consume the beverage containing wheat fermentation extract for 12 weeks. Two sachets are taken twice daily, on an empty stomach after waking and before bedtime (four sachets/day). Each 16.5-mL sachet contains 600 ug of LPSp, corresponding to 2,400 ug of LPSp per day.

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

80 years-old >

Gender

Male and Female

Key inclusion criteria

1) Adults aged 20 years or older and younger than 80 years at the time of consent.
2) Healthy adults or adults with mild chronic subjective symptoms-such as fatigue, altered bowel habits, cold sensitivity, mild sleep disturbance, mild skin symptoms, or shoulder stiffness-that do not substantially limit daily life, work, or household activities.
3) Individuals not currently receiving regular medical treatment.
4) Individuals who receive an explanation of the study, understand its contents, and provide written informed consent.
5) Individuals considered eligible by the principal investigator and study physician based on the questionnaire, medical history, medication use, and symptom severity.

Key exclusion criteria

1) Pregnant or breastfeeding women.
2) Smokers.
3) Individuals who consumed a beverage containing wheat fermentation extract within 6 months before study initiation.
4) Individuals participating in or planning to participate in another clinical trial.
5) Individuals receiving regular medical treatment, whose symptoms are worsening, who have acute symptoms, or who are considered to require medical management.
6) Individuals suspected of small intestinal bacterial overgrowth (SIBO), based on severe abdominal bloating, chronic abdominal symptoms, or worsening symptoms after fermented foods, and judged ineligible by the principal investigator or study physician.
7) Any other individuals judged unsuitable for participation by the principal investigator or study physician.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Masataka
Middle name
Last name Oda

Organization

Control of Innate Immunity Collaborative Innovation Partnership

Division name

Research and development

Zip code

761-0301

Address

Bio Research Laboratory, 3rd Floor, FROM Kagawa, 2217-16 Hayashi-cho, Takamatsu City, Kagawa

TEL

087-813-9201

Email

mstkoda@shizenmeneki.org


Public contact

Name of contact person

1st name Yuko
Middle name
Last name Nakamoto

Organization

Control of Innate Immunity Collaborative Innovation Partnership

Division name

Secretariat

Zip code

761-0301

Address

Bio Research Laboratory, 3rd Floor, FROM Kagawa, 2217-16 Hayashi-cho, Takamatsu City, Kagawa

TEL

087-813-9201

Homepage URL


Email

ciitra@shizenmeneki.org


Sponsor or person

Institute

Control of Innate Immunity Collaborative Innovation Partnership

Institute

Department

Personal name



Funding Source

Organization

Japan Agency for Medical Research and Development

Organization

Division

Category of Funding Organization

Government offices of other countries

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethical Committee,Innate Immune Network

Address

Bio Research Laboratory, 3rd Floor, FROM Kagawa, 2217-16 Hayashi-cho, Takamatsu City, Kagawa

Tel

087-813-9201

Email

npolsinlsin@lsin.org


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 07 Month 31 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2026 Year 06 Month 19 Day

Date of IRB

2026 Year 07 Month 06 Day

Anticipated trial start date

2026 Year 07 Month 14 Day

Last follow-up date

2027 Year 03 Month 31 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 07 Month 28 Day

Last modified on

2026 Year 07 Month 28 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071376