UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062048
Receipt number R000070992
Scientific Title Parallel group comparison study of two hair tonics
Date of disclosure of the study information 2026/07/01
Last modified on 2026/06/24 17:42:43

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Basic information

Public title

Study of hair growth efficacy applying hair tonic

Acronym

Study of hair growth efficacy

Scientific Title

Parallel group comparison study of two hair tonics

Scientific Title:Acronym

Parallel group comparison study of two hair tonics

Region

Japan


Condition

Condition

Adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Verify the hair growth efficacy of hair tonic B

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Hair density of hair tonic B application

Key secondary outcomes

hair diameter, hair elongation, anagen hair ratio, terminal hair ratio, stratum corneum hydration, thickness of dermis, subjective evaluation


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

Apply hair tonic A twice a day for 24 weeks

Interventions/Control_2

Apply hair tonic B twice a day for 24 weeks

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

30 years-old <=

Age-upper limit

69 years-old >=

Gender

Female

Key inclusion criteria

1) Participants who have indicated their intention to participate in the study, understand the explanations given, and have obtained informed consent.
2) Healthy Japanese females between the ages of 30 and 69 who have not violated the exclusion criteria.
3) Participants with feelings of thinning hair and hair loss.
4) Participants who can fill out consent forms, questionnaires, and use a diary.

Key exclusion criteria

1) Participants with pathological hair loss such as alopecia areata.
2) Have a scalp disorder other than alopecia (eczema, psoriasis, tinea capitis, or other scalp infections).
3) Participants with underactive or abnormal thyroid function.
4) Participants with atopic dermatitis.
5) Participants with sun sensitivity.
6) Participants who have ever experienced hypersensitivity to hair restorers, shampoos, or other external medicines.
7) Participants who have experienced hypersensitivity to rubbing alcohol, hair growth products, or other cosmetics containing alcohol.
8) Pregnant, lactating, or intending to become pregnant.
9) Received hormone replacement therapy within the past year or are taking oral contraceptives.
10) Received radiation therapy to the head or cancer chemotherapy treatment within the past 6 months.
11) Participants undergoing hair transplantation or hair extension treatment.
12) Participants who have used medicinal hair-growth agents (minoxidil, carpronium chloride, etc.) or quasi-drugs for hair growth within the past 6 months.
13) Participants who habitually apply or ingest other topical or oral medications, or dietary supplements that may affect the scalp or hair.
14) Participants with a remarkably high percentage of gray hair on the head.
15) Participants who wear hats, helmets, wigs, etc., during the examination period.
16) Participants who consume excessive amounts of alcohol.
17) Participants with a history of serious hepatic, renal, cardiac disease, circulatory system disease, or psychiatric disease.
18) Participants who have a family member who works for a pharmaceutical or cosmetics company.
19) Participants who are currently participating or have participated within the past 3 months in clinical trials, usage surveys, or product monitoring related to cosmetics and pharmaceuticals.
20) Other Participants deemed ineligible for this study by the principal investigator.

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Shogo
Middle name
Last name Jindo

Organization

Yamada Bee Company, Inc.

Division name

Apitherapy Cosmetics department

Zip code

708-0393

Address

194 Ichiba, Kagamino-cho, Tomata-gun, Okayama, Japan

TEL

03-6424-8434

Email

sj1383@yamada-bee.com


Public contact

Name of contact person

1st name Ryo
Middle name
Last name Takahashi

Organization

Yamada Bee Company, Inc.

Division name

Yamada Bee Company Group Institute for Beauty Science, R&D department

Zip code

144-0055

Address

#406 Innoba Ota., 4-32-6 Nakarokugou, Ota-ku, Tokyo, Japan

TEL

03-6424-8434

Homepage URL


Email

rt2067@yamada-bee.com


Sponsor or person

Institute

Yamada Bee Company, Inc.

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

General Incorporated Association Clinical Research Review Center

Address

2972-8-603 Ishikawamachi, Hachioji-shi, Tokyo, Japan

Tel

090-3547-6398

Email

crrctakashima@kpd.biglobe.ne.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 07 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2026 Year 06 Month 03 Day

Date of IRB

2026 Year 06 Month 10 Day

Anticipated trial start date

2026 Year 07 Month 08 Day

Last follow-up date

2027 Year 01 Month 24 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 06 Month 24 Day

Last modified on

2026 Year 06 Month 24 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070992