| 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 |
Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol
Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol
Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol
Evaluation of the Cosmetic Effects of a Cream Containing gamma-Oryzanol
| Japan |
Healthy women
| Dermatology | Adult |
Others
NO
Clinical Study on the Efficacy of a Cream Containing gamma-Oryzanol in Healthy Women
Efficacy
Change in sebum levels of the skin after application
Changes in transepidermal water loss (TEWL), skin hydration, skin viscoelasticity, melanin level, and erythema score after of application
Interventional
Parallel
Non-randomized
Double blind -all involved are blinded
Placebo
2
Treatment
| Other |
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.
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.
| 30 | years-old | <= |
| 60 | years-old | > |
Female
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.
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.
25
| 1st name | Toshio |
| Middle name | |
| Last name | Nakamura |
Tsuno Rice Fine Chemicals Co.,LTD
Planning and Development Dept. 3, Research and Development Div.
649-7194
2283 Chonomachi, Katsuragi-cho, Ito-gun, Wakayama, 649-7194, Japan
0736-26-5032
nakamura.toshio@tsuno.co.jp
| 1st name | Jingxiu |
| Middle name | |
| Last name | Zhou |
Tsuno Rice Fine Chemicals Co., Ltd.
Section 1, Planning and Development Dept. 3, Research and Development Div.
649-7194
2283 Chonomachi, Katsuragi-cho, Ito-gun, Wakayama, 649-7194, Japan
0736-26-5032
zhou.jingxiu@tsuno.co.jp
Tsuno Rice Fine Chemicals Co., Ltd.
Tsuno Rice Fine Chemicals Co., Ltd.
Profit organization
Wakayama Medical University
Tsuno Food Industrial Ethics Committee
94 Shinden, Katsuragi-cho, Ito-gun, Wakayama, 649-7194, Japan
0736-22-0061
rd_3dept@tsuno.co.jp
NO
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)
| 2026 | Year | 05 | Month | 01 | Day |
Unpublished
Preinitiation
| 2026 | Year | 03 | Month | 20 | Day |
| 2026 | Year | 04 | Month | 28 | Day |
| 2026 | Year | 05 | Month | 01 | Day |
| 2026 | Year | 07 | Month | 16 | Day |
| 2026 | Year | 09 | Month | 30 | Day |
| 2026 | Year | 10 | Month | 30 | Day |
| 2026 | Year | 10 | Month | 30 | Day |
| 2026 | Year | 05 | Month | 01 | Day |
| 2026 | Year | 05 | Month | 01 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070104