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Hair growth trial

Study to evaluate hair growth effect by test food intake. - Study to evaluate hair growth efficacy.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000054607
Enrollment
20
Registered
2024-06-11
Start date
2024-06-11
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 adult men

Interventions

Take test food for 12 weeks+2 days.

Sponsors

Oryza Oil&Fat Chemical.,Ltd.
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: (1)Subjects who are worried about thinning hair and hair loss. (2)Subjects with type II vertex to type III vertex or type II to type III in the Hamilton-Norwood classification (mainly type II vertex to type III vertex). (3)Subjects who can obtain written consent at their own discretion before the study begins.

Exclusion criteria

Exclusion criteria: (1)Persons with inflammation or skin disease at the evaluation site (scalp). (2)Persons with factors that may affect the results of the test at the evaluation site (disease such as hives,inflammation,eczema,external wound,acne,pustules,warts,pigmented spots,etc.,or traces thereof). (3)Persons with a past medical history or current medical history of atopic dermatitis or persons with a predisposition to atopic dermatitis. (4)Persons who have received, or plan to receive during the study period, medical cosmetic treatment (Botox injections, hyaluronic acid or collagen injections, photo facials, etc.) to the evaluation site. (5)Persons who have undergone or will undergo within the past 4 weeks or during the study period any special skin care treatment (beauty salon, beauty treatment, head spa, etc.) for the evaluation site. (6)Persons are continuously using skin care products, cosmetics, quasi-drugs or health foods, topical products (pharmaceuticals and quasi-drugs), and oral medications (pharmaceuticals) with efficacy claims (hair growth efficacy) similar to or related to the efficacy studied in this study for the evaluation site. (7)Persons who have used health foods and basic skin care cosmetics, health foods and supplements (saw palmetto, zinc, etc.) used in the evaluation site or shampoos/conditioners/treatments that claim to be effective for hair growth, hair loss, or hair loss within the past 4 weeks. (8)Persons using cosmetics (hair tonic, etc.) on the evaluated site. (9)Persons who have been exposed to ultraviolet radiation beyond daily activities such as prolonged outdoor work, exercise, swimming, leisure activities, etc., within the past 4 weeks or plan to do so during the study period. (10)Persons working night shifts and day/night shifts. And others (omitted due to overcapacity).

Design outcomes

Primary

MeasureTime frame
Photo Trichogram (Hair diameter, Hair growth rate, Anagen hair percentage)

Secondary

MeasureTime frame
General clinical examinations, Questionnaire survey, Head photography (top of head), Adverse event investigation

Countries

Japan

Contacts

Public ContactMichita Hayashi

NIKODERM RESEARCH INC. Sales Department

mhayashi@nikkolgroup.com06-6125-3501

Outcome results

None listed

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