Skip to content

A Study on the Effect of Food Containing Plant Extract on Capillary Blood Flow -A Randomized, Double-blind, Placebo controlled, Parallel-group Study-

A Study on the Effect of Food Containing Plant Extract on Capillary Blood Flow -A Randomized, Double-blind, Placebo controlled, Parallel-group Study- - A Study on the Effect of Food Containing Plant Extract on Capillary Blood Flow

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000057143
Enrollment
50
Registered
2025-03-03
Start date
2025-04-16
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

None listed

Interventions

Sponsors

Miura Clinic, Medical Corporation Kanonkai
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1)Healthy females aged 40 to 59 years-old. 2)Subjects who aware of coldness. 3)Subjects who can make self-judgment and are voluntarily giving written informed consent.

Exclusion criteria

Exclusion criteria: 1)Subjects who were diagnosed with serious disease (e.g., diabetes, liver disease, kidney disease, digestive disease, heart disease, respiratory disease and/or peripheral vascular disease). 2)Subjects who had a gastrointestinal surgery. 3)Subjects with strange finger conditions at measurement points. 4)Subjects with a disease currently under treatment. 5)Subjects with food allergies. 6)Subjects with anemic. 7)Women who are/might be pregnant or lactating during the current study periods. 8)Subjects who play high intensity sports and/or are on a diet. 9)Subjects who have an extremely irregular eating habit, are shiftworker and/or midnight-shift worker. 10)Subjects who can't stop using functional foods (including Food for Specified Health Uses or Foods with Function Claims) and/or Specified quasi-drugs during the current study periods. 11)Subjects who are under treatment with medications (including OTC and/or prescribed medications). 12)Subjects who have excessive alcohol intake more than approximately 60 g/day of pure alcohol equivalent, habit of drinking not less than 5 days a week, or can't stop drinking from the days before each measurement. 13)Subjects who smoke 21 or more cigarettes a day, or cannot quit smoking during from waking to inspection completed. 14)Subjects who can't stop their manicure or false nail during the current study periods. 15)Subjects who are participating in other studies or planning to participate at the start of the current study. 16)Subjects who are judged as unsuitable for the current study by the investigator for other reasons.

Design outcomes

Primary

MeasureTime frame
Capillary blood flow velocity after 8 weeks of intake

Secondary

MeasureTime frame
Capillary image analysis after 8 weeks of intake

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