UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000059939
Receipt number R000068555
Scientific Title Efficacy test of skin care products for sensitive skin
Date of disclosure of the study information 2025/12/05
Last modified on 2025/12/02 10:25:45

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Basic information

Public title

Efficacy test of skin care products for sensitive skin

Acronym

Efficacy test of skin care products for sensitive skin

Scientific Title

Efficacy test of skin care products for sensitive skin

Scientific Title:Acronym

Efficacy test of skin care products for sensitive skin

Region

Japan


Condition

Condition

Not applicable

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To study the effectiveness of skin care products in improving sensitive skin symptoms.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

Lactic acid sting test score values before and after 4 weeks of skin care product use

Key secondary outcomes

-Stratum corneum moisture content value
-TEWL value
-Neurometer value


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


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

Apply moisturizer skin care products to the face twice a day for 4wks.

Interventions/Control_2

Apply placebo to the face twice a day for 4wks.

Interventions/Control_3

Apply placebo to the face twice a day for 4wks.

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

59 years-old >=

Gender

Female

Key inclusion criteria

1. Japanese women between 20 and 59 years old.
2. Those who usually use lotion at least 4 days a week.
3. Those whose awareness of facial skin sensitivity is "sensitive" or "somewhat sensitive" out of four levels: "sensitive," "somewhat sensitive," "somewhat not sensitive," or "not sensitive.
4. Those who experience dryness symptoms on the face at least one day a week.
5. Those who have sensitivity symptoms (redness, itching, stinging, tingling, burning) on the face at least one day per week.
6. Those who feel/have felt irritation such as tingling or burning on the face using cosmetics at least one day a week.

Key exclusion criteria

1.Those who are pregnant or may be pregnant, breastfeeding, or less than 6 months postpartum
2.Those who have participated in other studies (all studies using cosmetics, food, pharmaceuticals, quasi-drugs, medical devices, etc.) within the past 4 weeks, or those who have participated in other human studies during the scheduled implementation period of this study. Those who are planning to participate.
3.Those with skin symptoms such as atopic dermatitis or contact dermatitis.
4.Those with a history of allergies or rashes to cosmetics, adhesive tapes, medical tapes, etc.
5.Those with facial skin abnormalities (rash, eczema, wounds, bruises, etc.).
6.Those who have had severe sunburn on their face within the past month
7.Those who are visiting a medical institution due to poor physical condition or skin disease.
8.Those using cosmetics, quasi-drugs, or pharmaceuticals that may affect the test (peels, steroids, anti-inflammatory drugs, topical drugs, antibacterial drugs, etc.).
9.Those with seasonal allergies such as severe hay fever.
10.Those who have regular use of medications (including over-the-counter sleeping pills, anti-allergic medications, pain relievers, hormones, laxatives, intestinal preparations, antibiotics, and medications for other ailments) during the past 3 months.
11.Those who have received cosmetic treatment for the face (laser treatment, collagen injection, etc.).
12.Those who have had aesthetic treatment on their face within the past 1 month
13.Those who use home facial beauty devices or beauty equipment
14.Those who have a habit of smoking.
15.Persons involved in this study.
16.Those who are engaged in a related industry (such as the pharmaceutical industry, cosmetics industry, advertising magazine, etc.)
17.Those who are deemed unsuitable for research participation by the research director due to violation of compliance obligations, etc.
18.Those who use skin care products containing cetyl PG hydroxyethyl palmitamide

Target sample size

99


Research contact person

Name of lead principal investigator

1st name Kaori
Middle name
Last name Tojo

Organization

Kao Corporation

Division name

Skin Care Research Lab.

Zip code

131-8501

Address

2-1-3, Bunka, Sumida-ku, Tokyo, 131-8501, JAPAN

TEL

+81-3-5630-7286

Email

tojo.kaori@kao.com


Public contact

Name of contact person

1st name Shiori
Middle name
Last name Yoshikawa

Organization

Kao Corporation

Division name

Skin Care Research Lab.

Zip code

131-8501

Address

2-1-3, Bunka, Sumida-ku, Tokyo, 131-8501, JAPAN

TEL

+81-3-5630-7286

Homepage URL


Email

yoshikawa.shiori@kao.com


Sponsor or person

Institute

Kao Corporation

Institute

Department

Personal name



Funding Source

Organization

Kao Corporation

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

Human Research Ethics Committee, Kao Corporation

Address

2-1-3 Bunka, Sumida-ku, Tokyo 131-8501, JAPAN

Tel

+81-3-5630-9064

Email

morisaki.naoko@kao.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

2025 Year 12 Month 05 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 10 Month 24 Day

Date of IRB

2025 Year 10 Month 22 Day

Anticipated trial start date

2025 Year 12 Month 05 Day

Last follow-up date

2026 Year 03 Month 01 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 12 Month 02 Day

Last modified on

2025 Year 12 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000068555