UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000059786
Receipt number R000068360
Scientific Title Effects of consumption of the test food on bowel movements and gut microbiome: a randomized, placebo-controlled, double-blind, parallel-group comparison study
Date of disclosure of the study information 2025/11/14
Last modified on 2025/11/14 19:29:24

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Basic information

Public title

Effects of consumption of the test food on bowel movements and gut microbiome

Acronym

Effects of consumption of the test food on bowel movements and gut microbiome

Scientific Title

Effects of consumption of the test food on bowel movements and gut microbiome: a randomized, placebo-controlled, double-blind, parallel-group comparison study

Scientific Title:Acronym

Effects of consumption of the test food on bowel movements and gut microbiome

Region

Japan


Condition

Condition

Healthy Japanese

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify the effects of consumption of the test food on bowel movements and gut microbiome.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Primary defecation diary

Key secondary outcomes

Secondary defecation diary, fecal organic acid measurement, gut microbiota analysis, stool testing, and blood testing


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Duration: Four weeks
Test product: Test food
Administration: Three capsules/pack/day

Interventions/Control_2

Duration: Four weeks
Test product: Placebo food
Administration: Three capsules/pack/day

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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Japanese
2. Men or women
3. Adults
4. Healthy participants
5. Participants with 3 to 5 bowel movements per day during any period in Screening Tests 1 and 2

Key exclusion criteria

Participants who
1. are undergoing medical treatment or have a medical history of malignant tumor, heart failure, or myocardial infarction
2. have a pacemaker or an implantable cardioverter defibrillator (ICD)
3. are currently undergoing treatment for any of the following chronic diseases: cardiac arrhythmia, liver disorder, chronic kidney disease, cerebrovascular disorder, rheumatic disease, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases
4. are taking "Foods for Specified Health Uses" or "Foods with Functional Claims"
5. are taking or using medicines (including herbal medicines) or supplements
6. regularly and intentionally consume medicines, health supplements, Foods for Specified Health Uses, Foods with Functional Claims, or foods fortified with ingredients that may affect bowel movements (e.g., fermented foods such as natto, kimchi, and pickles; foods fortified with dietary fiber; and dairy products such as yogurt, fermented milk, and cheese)
7. currently smoke or have quit smoking within one year prior to providing consent for this study
8. drink alcoholic beverages excessively
9. are on a diet or engage in strenuous exercise for the purpose of physical strengthening
10. have an irregular lifestyle due to shift work or other reasons
11. are taking anticoagulants such as warfarin
12. have extreme eating habits (e.g., strict vegetarianism, consuming only junk food, or always eating the same set menu)
13. are allergic to medicines or foods related to the test product
14. are pregnant, lactating, or planning to become pregnant during this study
15. have been enrolled in other clinical studies within the last 28 days before the agreement to participate in this study or plan to participate in another study during this study
16. are judged as ineligible to participate in this study by the physician

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Tsuyoshi
Middle name
Last name Takara

Organization

Medical Corporation Seishinkai, Takara Clinic

Division name

Director

Zip code

141-0022

Address

9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan

TEL

03-5793-3623

Email

t-takara@takara-clinic.com


Public contact

Name of contact person

1st name Naoko
Middle name
Last name Suzuki

Organization

ORTHOMEDICO Inc.

Division name

R&D Department

Zip code

112-0002

Address

2F Sumitomo Fudosan Korakuen Bldg., 1-4-1, Koishikawa, Bunkyo-ku, Tokyo, Japan

TEL

03-3818-0610

Homepage URL


Email

nao@orthomedico.jp


Sponsor or person

Institute

Euglena Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Euglena Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The ethical committee of the Takara Clinic, Medical Corporation Seishinkai

Address

9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan

Tel

03-5793-3623

Email

IRB@takara-clinic.com


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

医療法人社団盛心会 タカラクリニック (東京都)
Medical Corporation Seishinkai, Takara Clinic (Tokyo, Japan)

南町医院 (東京都)
Nerima Medical Association, Minami-machi Clinic (Tokyo, Japan)


Other administrative information

Date of disclosure of the study information

2025 Year 11 Month 14 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

2025 Year 11 Month 12 Day

Date of IRB

2025 Year 11 Month 12 Day

Anticipated trial start date

2025 Year 11 Month 14 Day

Last follow-up date

2026 Year 05 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

<Statistical analysis details>
Subgroups will be defined based on the factors in the following variables.

Gender: Male / female
Age: >= median / < median
Defecation diary: >= median / < median
Dietary fiber intake: >= median / < median
Dietary fiber intake: >= / < the target values in the Japanese Dietary Reference Intakes (2025 Edition)
Exercise Habit: Yes / No
Fecal organic acid Measurement: >= median / < median
Gut microbiota analysis: >= median / < median
BMI: >= median / < median
Stool testing: >= median / < median
Blood testing: >= median / < median


Management information

Registered date

2025 Year 11 Month 14 Day

Last modified on

2025 Year 11 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068360