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Verification of breast enhancement effect by a lesser yam extract-containing food combined with self-applied massage

Verification of breast enhancement effect by a lesser yam extract-containing food combined with self-applied massage

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031200353
Enrollment
30
Registered
2021-02-09
Start date
2021-02-09
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

Interventions

To take 2 tablets a day with a glass of cold or tepid water, and practice a 5 minute-self-massage once a day after bath.

Sponsors

Miyata Akinobu
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: (1) Healthy adult women from 20 to 48 y.o. (2) Subjects whose bust cup sizes are categorized in the range from A to C (3) Subjects who eat meals more than twice a day (4) Subjects who can engage themselves in the assigned self-massage everyday for the whole test period

Exclusion criteria

Exclusion criteria: (1) Subjects whose BMI scores are over 30 or under 20 (2) Subjects who have ever taken any medical cosmetic treatments (ie, breast augmentation, hyaluronic acid injection) around the assessment areas, or are planning to take those during the test periiod (3) Subjects who have ever taken any esthetic treatments or practices around the assessment areas in the last 4 weeks before the commencement, or are planning to take those during the test period (4) Subjects who have changed their supplements or cosmetics which might affect the assessment areas in the last 4 weeks before the commencement, or are planning to newly start using those during the test period

Design outcomes

Primary

MeasureTime frame
(1) Measurement of bust-top circumference, under-bust circumference, bust-top height (length from the floor when she is lying down) (2) Subjective evaluation

Contacts

Public ContactTakeshi Kaneko

Japan Clinical Trial Association

jacta@usjri.com+81-3-6302-0593

Outcome results

None listed

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