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A study of healthy adult men and women with dry skin to examine the effects of food intake on skin function, including moisturization and skin condition.

A study of healthy adult men and women with dry skin to examine the effects of food intake on skin function, including moisturization and skin condition. - A study of healthy adult men and women with dry skin to examine the effects of food intake on skin function, including moisturization and skin condition.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000042296
Enrollment
80
Registered
2022-03-07
Start date
2020-11-06
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 adult men and women

Interventions

Intake of 1 grain of test food per day for 12 consecutive weeks Intake of 1 grain of placebo food per day for 12 consecutive weeks

Sponsors

TTC Co., Ltd
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Healthy males and females aged 35 to 54 2. Subjects who are aware of skin dryness and have low level of water content of stratum corneum

Exclusion criteria

Exclusion criteria: Subjects 1.constantly take food, medicine, and etc. that contain the ingredient involved in this study 2.has skin liable to change their condition by wearing a mask, and who can not wear the mask distributed during the study period 3.constantly take food, medicine, and etc. which affects skin condition 4.had a cosmetic surgery which affects the condition of the targeted skin region 5.had a cosmetic surgery or a hormone therapy which affects the condition of the untargeted skin region within 1 year before the screening test 6.had an esthetic treatment within 1 month before the screening test, or who is planning to do so during the study period 7.had long-term sunlight exposure within 1 month before the screening test, or who have a plan to do so during the test period 8.is in the habit of washing up strongly 9.usually use bath additives 10.have wounds or inflammatory diseases which would affect the condition of the targeted skin region 11.have allergic diseases such as hay fever and atopic dermatitis 12.feel roughness on the targeted skin region during the menses period 13 work hours are irregular 14.are planning to go overseas during the study period 15.have asthma or have the possibility to develop asthma during this study 16.have serious diseases or medical history 17.have the possibility to show allergic reaction by consumpting the test food 18.have diseases under treatment which affects this study, or who have medical history of serious disease requiring medication 19.are judged inappropriate for the study according to the results of the screening test20.have participated in other clinical studies within 1 month, or are planning to participate in other clinical studies during this study 21.are pregnant or lactating, or planning to become pregnant or lactate during this study 22.are judged as unsuitable for the study due to lifestyle questionnaire 23.are judged as unsuitable for the study by investigator for other reasons

Design outcomes

Primary

MeasureTime frame
Water content of stratum corneum

Secondary

MeasureTime frame
Transepidermal water loss VISIA DLQI Skin condition questionnaire Itch VAS, Fatigue VAS OSA sleep inventory MA version The Japanese Version of the Constipation Assessment Scale

Countries

Japan

Contacts

Public ContactKyohei Hashimoto

TTC Co., Ltd. Clinical Research Planning Department

k.hashimoto@ttc-tokyo.co.jp03-5459-5329

Outcome results

None listed

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