UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000061432
Receipt number R000070104
Scientific Title Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol
Date of disclosure of the study information 2026/05/01
Last modified on 2026/05/01 13:58:46

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol

Acronym

Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol

Scientific Title

Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol

Scientific Title:Acronym

Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol

Region

Japan


Condition

Condition

Healthy women

Classification by specialty

Dermatology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Clinical Study on the Efficacy of a Cream Containing gamma-Oryzanol in Healthy Women

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change in sebum levels of the skin after application

Key secondary outcomes

Changes in transepidermal water loss (TEWL), skin hydration, skin viscoelasticity, melanin level, and erythema score after of application


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Non-randomized

Randomization unit


Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

Participants will apply a cream containing rice bran-derived gamma-oryzanol to one side of the face twice daily (morning and evening) for 8 consecutive weeks. Assessments will be conducted on the cheek and forehead areas.

Interventions/Control_2

Participants will apply a placebo cream to one side of the face twice daily (morning and evening) for 8 consecutive weeks. Assessments will be conducted on the cheek and forehead areas.

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

60 years-old >

Gender

Female

Key inclusion criteria

1. Women between the ages of 30 and 60 at the time consent is obtained.
2. Healthy and free from chronic physical diseases, confirmed by medical interview.
3. The applicant must not be using any medicated cosmetics, supplements, or other products that are expected to have related efficacy.
4. Individuals who have received sufficient explanation regarding the purpose and content of this trial, possess the capacity to consent, voluntarily volunteer to participate after fully understanding the details, and can provide written consent to participate in this trial.
5. Individuals who can attend the designated examination date and undergo the examination.
6. Individuals deemed suitable for participation in this trial by the principal investigator.

Key exclusion criteria

1. Who currently suffer from any disease and are under medication.
2. Who have been determined by the examining physician to have a serious skin condition such as dermatitis.
3. Who cannot intentionally refrain from being exposed to direct sunlight, such as sunburn, during the examination period.
4. Who show statistical outliers in measurements of primary and secondary endpoints.
5. Who have allergies (to pharmaceuticals or products related to the test materials).
6. Who is pregnant, lactating, or intends to become pregnant during the study period.
7. Who are currently, or have been within the past month at the time of consent, in the habit of continuously ingesting or applying a drug that relation to the area to be measured.
8. Who are otherwise deemed by the investigator to be inappropriate for the study.

Target sample size

25


Research contact person

Name of lead principal investigator

1st name Toshio
Middle name
Last name Nakamura

Organization

Tsuno Rice Fine Chemicals Co.,LTD

Division name

Planning and Development Dept. 3, Research and Development Div.

Zip code

649-7194

Address

2283 Chonomachi, Katsuragi-cho, Ito-gun, Wakayama, 649-7194, Japan

TEL

0736-26-5032

Email

nakamura.toshio@tsuno.co.jp


Public contact

Name of contact person

1st name Jingxiu
Middle name
Last name Zhou

Organization

Tsuno Rice Fine Chemicals Co., Ltd.

Division name

Section 1, Planning and Development Dept. 3, Research and Development Div.

Zip code

649-7194

Address

2283 Chonomachi, Katsuragi-cho, Ito-gun, Wakayama, 649-7194, Japan

TEL

0736-26-5032

Homepage URL


Email

zhou.jingxiu@tsuno.co.jp


Sponsor or person

Institute

Tsuno Rice Fine Chemicals Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Tsuno Rice Fine Chemicals Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

Wakayama Medical University

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Tsuno Food Industrial Ethics Committee

Address

94 Shinden, Katsuragi-cho, Ito-gun, Wakayama, 649-7194, Japan

Tel

0736-22-0061

Email

rd_3dept@tsuno.co.jp


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

築野ライスファインケミカルズ株式会社 TIWセンター(和歌山県)


Other administrative information

Date of disclosure of the study information

2026 Year 05 Month 01 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 03 Month 20 Day

Date of IRB

2026 Year 04 Month 28 Day

Anticipated trial start date

2026 Year 05 Month 01 Day

Last follow-up date

2026 Year 07 Month 16 Day

Date of closure to data entry

2026 Year 09 Month 30 Day

Date trial data considered complete

2026 Year 10 Month 30 Day

Date analysis concluded

2026 Year 10 Month 30 Day


Other

Other related information



Management information

Registered date

2026 Year 05 Month 01 Day

Last modified on

2026 Year 05 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070104