UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000059372
Receipt number R000067905
Scientific Title Effects of the test food on skin quality in healthy Japanese.
Date of disclosure of the study information 2025/10/14
Last modified on 2025/10/10 22:10:55

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Basic information

Public title

Effects of the test food on skin quality in healthy Japanese.

Acronym

Effects of the test food on skin quality in healthy Japanese.

Scientific Title

Effects of the test food on skin quality in healthy Japanese.

Scientific Title:Acronym

Effects of the test food on skin quality in healthy Japanese.

Region

Japan


Condition

Condition

Healthy adult female

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to investigate the test foods on skin quality.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Moisture content, Viscoelasticity, Transepidermal water loss, Melanin content

Key secondary outcomes

Visual Analogue Scale


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


Blocking


Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Consumption of test beverage for 8 weeks

Interventions/Control_2

Consumption of control beverage for 8 weeks

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

30 years-old <=

Age-upper limit

49 years-old >=

Gender

Female

Key inclusion criteria

Healthy Japanese women who are 30 to 49 years of age at the time of consent.
Those who are not satisfied with their skin quality
Perticipants who received sufficient explanation about the purpose and content of the trial, had the ability to consent, volunteered to participate after understanding it well, and agreed to participate in the trial in writing.

Key exclusion criteria

Participants currently taking medication on a daily basis
Participants suffering from a medical condition or requiring continuous medical visits or follow-up monitoring
Participants who regularly consume rooibos tea at least four days a week
Participants who do not like the test or control beverages
Participants who cannot discontinue the intake of health foods (including supplements), foods for specified health uses, foods with nutrient functions, or foods with functional claims during the study period.
Participants who cannot participate in all three designated measurement dates
Participants who cannot stop wearing tight-fitting clothing (skinny jeans, tights, etc.) on the day of the measurement
Participants who cannot remove makeup from their cheeks immediately before the measurement
Participants who are pregnant, intend to become pregnant during the study period, or are breastfeeding

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Makoto
Middle name
Last name Kobayashi

Organization

ITO EN, LTD.

Division name

Central Research Institute

Zip code

421-0516

Address

21 Mekami, Makinohara-shi, Shizuoka, Japan

TEL

0548541247

Email

m-kobayasi@itoen.co.jp


Public contact

Name of contact person

1st name Yoshitake
Middle name
Last name Baba

Organization

ITO EN, LTD.

Division name

Central Research Institute

Zip code

421-0516

Address

21 Mekami, Makinohara-shi, Shizuoka, Japan

TEL

0548-54-1247

Homepage URL


Email

yoshi-baba@itoen.co.jp


Sponsor or person

Institute

-

Institute

Department

Personal name



Funding Source

Organization

-

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

ITO EN, LTD.

Address

21 Mekami, Makinohara-shi, Shizuoka, Japan

Tel

0548-54-1247

Email

-@-


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

2025 Year 10 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

Preinitiation

Date of protocol fixation

2025 Year 08 Month 29 Day

Date of IRB

2025 Year 09 Month 29 Day

Anticipated trial start date

2025 Year 10 Month 14 Day

Last follow-up date

2026 Year 04 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 10 Month 10 Day

Last modified on

2025 Year 10 Month 10 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067905