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Skin moisturizing effect of oral intake of soy isoflavone.

Skin moisturizing effect of oral intake of soy isoflavone. - Skin moisturizing effect of oral intake of soy isoflavone.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000015027
Enrollment
24
Registered
2014-09-03
Start date
2014-09-04
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

water content of stratum corneum

Interventions

soy isoflavones blended drink Placebo drink

Sponsors

Noevir Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1)Age between 20 and 39 at the time of informed consent 2)Female 3)Persons who had a normal nenstrual cycle(25days - 38days) 4)Persons who provided written voluntary consent to participate in the study

Exclusion criteria

Exclusion criteria: 1)Persons who always took supplements that may affect the test results (isoflavone, equol, etc.) 2)Persons who took medicines that may affect the test results (estrogen, etc.) 3)Persons with a risk of allergy to test drink(soy) 4)Persons who had severe anemia 5)Persons who were under the care of a doctor for treatment of a disease or its prevention (hormone treatment, medicinal treatment, exercise treatment, diet treatment, etc.) or needed such treatments 6)Persons who had or previously had severe disease of the liver, kidney, heart, circulatory system, respiratory system, endocrine system, nervous system, sugar metabolism, lipid metabolism, alcoholism, chemical poisoning, etc. including those who were positive for hepatitis virus 7)Persons who attended dermatology clinics 8)Persons who had factors on the skin of the evaluation sites, which may affect the test results (diseases such as atopic dermatitis, urticaria, etc., inflammation, eczema, injury, acne, pimples, warts, blemishes, etc, or scars thereof) 9)Persons who have had special skincare procedures (beauty salon, esthetics salon, etc.) on the evaluation sites performed within the past 4 weeks or who plan to undergo such procedures during the test 10)Persons who had ultraviolet exposure that exceeds a normal lifestyle quota, such as working, exercising, swimming, or undertaking leisure activities for long hours outdoors, or intend to undertake such activities during the test 11)Persons who work nightshift or alternating day and night shifts 12)Persons who have participated in other clinical trials within the past 4 weeks or who intend to participate in other clinical trials during the scheduled period of this test (all clinical trials using cosmetics, foodstuffs, drugs, quasi-drugs, medical devices, etc.) 13)Persons deemed by the principal investigator (or study supervisor) to be inappropriate for participation in the test

Design outcomes

Primary

MeasureTime frame
water content of stratum corneum

Countries

Japan

Contacts

Public ContactTaizo Seki

Noevir Co., Ltd. Groupwide Research and Development

taizo_seki@n1.noevir.co.jp0748-35-5452

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026