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Inhibitory effect of the test food on ultraviolet-induced skin damage.

Inhibitory effect of the test food on ultraviolet-induced skin damage. - Inhibitory effect of the test food on ultraviolet-induced skin damage.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000041618
Enrollment
24
Registered
2020-08-31
Start date
2020-09-01
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

Healthy volunteer

Interventions

Intake of test food for 12 weeks (1 capsule per day) Intake of placebo food for 12 weeks (1 capsule per day)

Sponsors

DRC Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Healthy male and female whose age from 30 to 59 years old at the time informed consent. 2) Subjects whose Fitzpatrick skin phototype is type II or type III. 3)Subjects who accept the analysis for UV-induced erythema in their back skin. 4)Subjects whose basement MED is judged as second, third or fourth points in six-grade UV-irradiated area before intake of the test food. 5)Subjects who are aware of skin dryness and roughened. 6)Subjects who can visit to the administrative facility on every inspection day. 7)Subjects who have received a sufficient explanation of the purpose and contents of the examination, have the ability to make a self-judgment, voluntarity participate in the study after understanding the content enough and agree to participate in the study by signing the written informed consent.

Exclusion criteria

Exclusion criteria: 1)Subjects with photosensitivity disorder. 2)Subjects who take medicine that affect light sensitivity of skin. 3)Subjects who regularly go to a dermatology office. 4)Subjects who continuously take medicine, quasi-medicine, functional food or supplement which advocate or emphasize efficacy for which is evaluated in the trial. 5)Subjects who have skin disease or abnormality such as atopic dermatitis. 6)Subjects who may perform physical activity in the sunlight for a long time during test period. 7)Subjects who take anti-inflammatory medicine at least once a month. 8)Shift worker. 9)Subjects who receive or require medical or prophylactic treatment. 10)Subjects who have a medical history for severe disease or abnormality in glucose or lipid metabolism, endocrine or nerve system, or for psychiatric disorder. 11)Subjects who have a medical history or present illness of serious hepatopathy, kidney damage, heart disease, hematological and blood disease. 12)Subjects who have a medical history of serious gastrointestinal disease. 13)Subjects who have a medical history of alcoholism or drug addiction. 14)Subjects who have risk for allergy related to test foods. 15)Subjects who have s damage or inflammation on the measurement sites. 16)Subjects who have Severe anemia. 17)Subjects whose BMI is over 30.0 kg/m2 18)Subjects who smoke. 19)Subjects who will develop seasonal allergy symptoms like hay fever and take medicine. 20)Subjects who had been conducted an operation or beauty treatment on the measurement sites within the past 6 months. 21)Subjects who frequently intake food which might affect skin color. 22)Subjects who show abnormality in blood test during screening and test period. 23)Possible pregnancy, pregnancy and lactation 24)Subjects who were involved in another clinical studies within 4 weeks prior to the trial, or who will participate in another clinical studies. 25)Subjects who are judged to be inappropriate for the study by the principal investigator.

Design outcomes

Primary

MeasureTime frame
MED(minimal erythema dose)

Secondary

MeasureTime frame
Transepidermal water loss Stratum corneum water content Skin color (L*, a*, b*) Photography of the irradiated area

Countries

Japan

Contacts

Public ContactYuri Okano

CIEL CO., LTD. CIEL CO., LTD.

Yuri.okano@ciel-tokyo.com03-6659-2767

Outcome results

None listed

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