The effects of wearing test products on peripheral skin temperature and blood flow

The effects of wearing test products on peripheral skin temperature and blood flow: Placebo-controlled, doubled-blind, randomized, single crossover comparative study - The effects of wearing test products on peripheral skin temperature and blood flow: Placebo-controlled, doubled-blind, randomized, single crossover comparative study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051943

Enrollment

Registered

2023-08-20

Start date

2023-09-11

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 adults

Interventions

Wearing test products Wearing placebo products

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Subjects of men and women aged 20 to 64 (2) Subjects meeting diagnostic criteria(Terasawa method) for cold-sensitive constitution (3) Subjects who received sufficient explanation about the purpose and content of the test, had the ability to consent, voluntarily volunteered to participate after understanding it well, and agreed to participate in the test in writing

Exclusion criteria

Exclusion criteria: (1) Subjects with heart, liver, and kidney diseases (including complications of other diseases) (2) Subjects with a history og cardiovascular disease (3) Subjects with diabetes (4) Subjects with diseases currently being treated (5) Subjects who are allegic to food and drugs (6) Subjects with anemia symptoms (7) Female subjects wishing to become pregnant while participatind in this study, pregnant (including those who may be pregnant) or lactating female subjects (8) Subjects who are in the hospital or being treated with drugs or Chinese herbal medicine for some disease (can be used additionally) (9) Subjects who play intense sports and subjects who are on a diet (10) Subjects with extremely irregular eating habits (11) Subjects who cannot stop taking health foods (including foods for specified health use and foods woth functional claims) and quasi-drugs during the test period (12) Subjects who drink more than 60g of avarage daily pure alcohol (13) Subjects who smoke an average of 21 or more cigarettes a day (14) Subjects who are participating in or will participate in other clinical trials at the start of this study (15) Other subjects judged by the investigator or the investigator to be inappropriate for the examination

Design outcomes

Primary

Measure	Time frame
Skin surface temperature of left hand, blood flow	—

Countries

Japan

Contacts

Public ContactMakoto Terashima

Oneness Support Co., Ltd. Clinical Trial Division

mterashima@oneness-sup.co.jp06-4801-8917

Outcome results

None listed

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