UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000060732
Receipt number R000069359
Scientific Title A study to examine the effects of test food intake on skin function
Date of disclosure of the study information 2026/02/23
Last modified on 2026/02/22 17:13:04

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Basic information

Public title

A study to examine the effects of test food intake on skin function

Acronym

A study to examine the effects of test food intake on skin function

Scientific Title

A study to examine the effects of test food intake on skin function

Scientific Title:Acronym

A study to examine the effects of test food intake on skin function

Region

Japan


Condition

Condition

Healthy volunteer

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this trial is to conduct human testing and evaluate the effects on the skin of continuous consumption of 'To-jun', a food product developed by Rosavista Co., Ltd. containing mulberry leaf extract, tobi fruit peel extract, and acetic acid bacteria ferment.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Changes in SAF values before and after continued consumption of the test food

Key secondary outcomes

Questionnaire Survey (Anti-Ageing QOL Common Questionnaire and Skin Type Questionnaire)


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

Treatment

Type of intervention

Food

Interventions/Control_1

Consume the test food.

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

70 years-old >

Gender

Female

Key inclusion criteria

1) Women aged 20 years or older but under 70 years at the time of obtaining consent to participate in the trial
2) Healthy individuals without chronic physical illnesses
3) Individuals who have received sufficient explanation regarding the purpose and content of this trial, possess the capacity to consent, have fully understood the information, voluntarily wish to participate, and can provide written consent to participate in this trial
4) Individuals who can attend the centre on the designated examination date and undergo the examination
5) Individuals deemed suitable for participation in this trial by the principal investigator

Key exclusion criteria

1) Individuals currently suffering from any disease and undergoing drug treatment
2) Individuals with a history or current condition of impaired glucose tolerance, mental illness, sleep disorders, hypertension, diabetes, hyperlipidaemia, or other serious diseases
3) Individuals with a history of regular medication use within the past month for disease treatment (excluding occasional use for headaches, menstrual pain, colds, etc.)
4) Individuals with a history or current condition of severe impairment of the liver, kidneys, heart, lungs, blood, etc.
5) Individuals with concomitant diseases or a history of diseases of the digestive organs (excluding a history of appendicitis)
6) Individuals with a BMI of 30 kg/m2 or above
7) Individuals at risk of developing allergic reactions to the test food, or those at risk of severe allergic reactions to other foods or medicines
8) Individuals who have donated blood exceeding 200 mL within the past month, or 400 mL within the past three months
9) Individuals with severe anaemia
10) Individuals who are pregnant, breastfeeding, or who may be pregnant
11) Individuals who currently have, or have had within the past three months, a habit of continuously consuming functional foods or health foods marketed for skin quality improvement, or who plan to consume such products during the trial period (consumption for general health maintenance is permissible)
12) Individuals with photosensitivity
13) Other individuals deemed unsuitable for this trial by the principal investigator

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Karen
Middle name
Last name Tagashira

Organization

rosavista Co., Ltd.

Division name

Representative Director

Zip code

150-0013

Address

M Residence Ebisu 203 2-13-17 Ebisu, Shibuya-ku, Tokyo

TEL

03-3572-7550

Email

tagashira.k@rosavista.co.jp


Public contact

Name of contact person

1st name Karen
Middle name
Last name Tagashira

Organization

rosavista Co., Ltd.

Division name

Representative Director

Zip code

150-0013

Address

M Residence Ebisu 203 2-13-17 Ebisu, Shibuya-ku, Tokyo

TEL

03-3572-7550

Homepage URL


Email

tagashira.k@rosavista.co.jp


Sponsor or person

Institute

rosavista Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Rosavista 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

Society of Glycative Stress Research

Address

6F,Nishishinjuku Mizuma Bldg,3-3-13 Nishishinjuku,Shinjuku-ku,Tokyo

Tel

03-6868-4364

Email

rinri-glycativestress@antiaging-bank.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



Other administrative information

Date of disclosure of the study information

2026 Year 02 Month 23 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

2026 Year 01 Month 29 Day

Date of IRB

2026 Year 02 Month 10 Day

Anticipated trial start date

2026 Year 02 Month 16 Day

Last follow-up date

2026 Year 07 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 02 Month 22 Day

Last modified on

2026 Year 02 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069359