UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000057287
Receipt number R000065424
Scientific Title Evaluation of skin condition improvement by ingestion of the test food: a randomized, placebo-controlled, double-blind, parallel-group comparison study
Date of disclosure of the study information 2026/06/19
Last modified on 2025/03/14 13:54:42

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Basic information

Public title

Evaluation of skin condition improvement by ingestion of the test product

Acronym

Evaluation of skin condition improvement by ingestion of the test product

Scientific Title

Evaluation of skin condition improvement by ingestion of the test food: a randomized, placebo-controlled, double-blind, parallel-group comparison study

Scientific Title:Acronym

Evaluation of skin condition improvement by ingestion of the test food

Region

Japan


Condition

Condition

N/A(healthy adults)

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Evaluate the effect of the test product ingestion on skin condition improvement

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Skin elasticity
(Week 0, Week 8)

Key secondary outcomes

Skin moisture content
Skin blood flow
Subjective skin evaluation

(Week 0, Week 8)


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Oral intake of test food once daily for 8 weeks

Interventions/Control_2

Oral intake of placebo food once daily 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

35 years-old <=

Age-upper limit

59 years-old >=

Gender

Male and Female

Key inclusion criteria

1) Healthy Japanese males and females aged 35 to 59 years old
2) Subjects who feel dry skin
3) Subjects who feel loss in skin elasticity
4) Subjects who feel rough skin

Key exclusion criteria

1) Subjects who spend a lot of time outdoors or exposed to ultraviolet rays in their daily lives (e.g., those who work night shifts or day/night shifts, those who engage in sales or delivery work, etc.)
2) Subjects who take or apply medications (e.g., medicines with moisturizing effects) that may affect test results
3) Subjects who regularly use specified health foods, functional foods (e.g., food containing sodium hyaluronate, glucosylceramide, astaxanthin), or health foods (including supplements) that may affect the improvement of skin quality and who are unable to discontinue from the time consent is obtained
4) Subjects who have undergone facial beauty treatments or beauty clinics within 2 weeks prior to the start of the examination
5) Subjects who are taking or will take medication for hay fever
6) Subjects who can be allergic to the test food
7) Subjects who may show allergic symptoms to any of the ingredients in the test product
8) Subjects with asthma
9) Subjects who are a smoker
10) subjects who cannot intentionally refrain from direct exposure to the sun, such as sunburns and long-term travel between pre-inspection and the end of the examination
11) Subjects who have irregular lifestyle habits, such as waking and sleeping times that vary by 4 hours or more depending on the day of the week
12) Pregnant or possibly pregnant, and lactating mothers
13) Subjects who have skin allergy symptoms or skin hypersensitivity
14) Subjects who have chronic inflammation of the skin such as atopic dermatitis
15) Subjects who have chronic diseases and regularly use drugs
16) Subjects who have remarkable abnormality on skin condition of the test area
17) Subjects who participate in other clinical trials

Target sample size

52


Research contact person

Name of lead principal investigator

1st name Takashi
Middle name
Last name Koikeda

Organization

Shiba Palace Clinic

Division name

Chair

Zip code

105-0013

Address

DaiwaA Hamamatsucho Bldg. 6F, 1-9-10, Hamamatsucho, Minato-ku, Tokyo, 105-0013, JAPAN

TEL

03-5408-1599

Email

jimukyoku@mail.souken-r.com


Public contact

Name of contact person

1st name Yoshiaki
Middle name
Last name Inoue

Organization

Hayashikane Sangyo Co., Ltd.

Division name

functional food division

Zip code

750-8608

Address

2-4-8 Yamatomachi, Shimonoseki-Shi, Yamaguchi, JAPAN

TEL

083-267-0094

Homepage URL


Email

yinoue@hayashikane.com


Sponsor or person

Institute

Shiba Palace Clinic

Institute

Department

Personal name



Funding Source

Organization

Hayashikane Sangyo 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

Shiba Palace Clinic Ethics Review Committee

Address

DaiwaA Hamamatsucho Bldg. 6F, 1-9-10, Hamamatsucho, Minato-ku, Tokyo, 105-0013, JAPAN

Tel

03-5408-1599

Email

jimukyoku@mail.souken-r.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

芝パレスクリニック
(Shiba Palace Clinic)


Other administrative information

Date of disclosure of the study information

2026 Year 06 Month 19 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 01 Month 14 Day

Date of IRB

2025 Year 01 Month 30 Day

Anticipated trial start date

2025 Year 03 Month 17 Day

Last follow-up date

2025 Year 06 Month 19 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 03 Month 14 Day

Last modified on

2025 Year 03 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000065424