Effect of supplement containing horse placenta extracts on skin quality in healthy adult women

Effect of supplement containing horse placenta extracts on skin quality in healthy adult women; a randomized, double-blind, placebo-controlled study - Horse placenta supplement clinical trial; a randomized, double-blind, placebo-controlled study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000036273

Enrollment

Registered

2020-03-25

Start date

2019-03-25

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 women

Interventions

To intake supplements containing horse placenta 1 tablets /day for 4 weeks To intake placebo 1 tablets / day for 4 weeks

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: (1) Persons who is generally judged as healthy (2) Persons who can give voluntary written consent to participate in the present trial

Exclusion criteria

Exclusion criteria: (1) Persons who have any dietary supplements, quasi drugs or medicines which cause same or similar efficacy with the effect evaluated in this study (2) Persons who have changed their habitats to take supplements or to use cosmetics within past 4 weeks. (3) Persons who work in night shift or in day and night shift (4) Persons who have been treated their illness or prevention in a clinic at their informed consent (5) Persons with their medical histories as follows: serious diseases of sugar metabolism, lipid metabolism, hepatic function, renal function, heart, circulatory, respiratory, endocrine system, immune system, or mental illness of the nervous system (6) Persons with the medical histories of alcoholism or drug dependence (7) Persons who might be developed allergic reaction to foods. (8) Persons who are pregnant, breast-feeding, or hope to be pregnant during the study period (9) Persons who had always participated in or will participate in any other clinical trial (to use foods/medicine/quasi medicine/medical device) (10) Persons who will not be judged suitable to the participants by the investigator.

Design outcomes

Primary

Measure	Time frame
Skin quality measurement	—

Secondary

Measure	Time frame
Anti-Aging skin quality questionnaire Skin condition Visual Analogue Scale OSA sleep inventory MA version Simplified Menopausal Index (SMI)	—

Countries

Japan

Contacts

Public ContactKeiko Ohnuki

User Life Science Co.Ltd The research and development part

shimizu@agr.kyushu-u.ac.jp0948-82-3123

Outcome results

None listed

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