UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000060113
Receipt number R000068742
Scientific Title Observational Study after Aesthetic Treatment (Laser/Light therapy)
Date of disclosure of the study information 2025/12/19
Last modified on 2025/12/18 10:06:15

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Basic information

Public title

Observational Study After an Aesthetic treatment

Acronym

Observational Study After an Aesthetic treatment

Scientific Title

Observational Study after Aesthetic Treatment (Laser/Light therapy)

Scientific Title:Acronym

Observational Study After an Aesthetic treatment

Region

Japan


Condition

Condition

Acquired melanin pigmentation/Benign tumors

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Observation after laser (CO2, Q-switched) and IPL treatments on benign small tumors and acquired pigmentation: A longitudinal study of the wound healing process

Basic objectives2

Others

Basic objectives -Others

To observe the healing process following treatments

Trial characteristics_1


Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

Development of a Photographic Scale for Assessing the Healing Process: Longitudinal Observation of Treatment Sites

Key secondary outcomes

ANTERA measurement (melanin, hemoglobin, L* value, a* value, b* value, concavity, scar area)


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


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

20 years-old <=

Age-upper limit

59 years-old >=

Gender

Male and Female

Key inclusion criteria

(1) Men and women aged between 20 and 59 years old.
(2) Those who wish to undergo or are planning to undergo aesthetic treatment.
(3) Patients with benign small tumors (seborrheic keratosis, soft fibroma, etc.) or acquired hyperpigmentation (senile hyperpigmentation, spermatorrhea, etc.) as determined by the principal
investigator.

Key exclusion criteria

(1) Those who suffer from chronic inflammatory skin diseases (atopic dermatitis, psoriasis, etc.).
(2) Those who have extreme sunburn on the face.
(3) Those who have a tendency to develop keloids.
(4) Those who are determined by the principal investigator to require treatment for a disease.
(5) Women who are breastfeeding, pregnant, or potentially pregnant.
(6) Those who are otherwise determined to be unsuitable by the Principal Investigator.

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Toshio
Middle name
Last name Hasegawa

Organization

Juntendo University Graduate School of Medicine

Division name

Department of Dermatology and Allergology,

Zip code

113-8421

Address

2-1-1 Hongo, Bunkyo Ward, Tokyo

TEL

+81-3-3813-3111

Email

t-hase@juntendo.ac.jp


Public contact

Name of contact person

1st name Yoshie
Middle name
Last name Shimotoyodome

Organization

Kao Corporation

Division name

Human Healthcare Product Research

Zip code

131-8501

Address

2-1-3, Bunka, Sumida-ku, Tokyo,

TEL

+81-3-5630-9064

Homepage URL


Email

shimotoyodome.yoshie@kao.com


Sponsor or person

Institute

Kao Corporation

Institute

Department

Personal name



Funding Source

Organization

Kao Corporation

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Human Research Ethics Committee, Kao Corporation

Address

2-1-3 Bunka, Sumida-ku, Tokyo 131- 8501, JAPAN

Tel

+81-3-5630-9064

Email

morisaki.naoko@kao.com


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

2025 Year 12 Month 19 Day


Related information

URL releasing protocol

None

Publication of results

Unpublished


Result

URL related to results and publications

None

Number of participants that the trial has enrolled

22

Results

After the treatment, the wound healing process was observed, and a photo scale for the wound healing process was created.

Results date posted

2025 Year 12 Month 18 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Adults men and women

Participant flow

Screening->enrollment->intervention->follow-up. Obtained 30 cases from 22 participants; 0 withdrawals.

Adverse events

None reported

Outcome measures

-Photographic evaluation (crusting score, inflammation score, pigmentation, swelling score, epithelialization score)
-Instrumentation (melanin content, hemoglobin content, indices of skin concavity, etc.)

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2021 Year 08 Month 20 Day

Date of IRB

2021 Year 08 Month 20 Day

Anticipated trial start date

2021 Year 08 Month 30 Day

Last follow-up date

2022 Year 01 Month 24 Day

Date of closure to data entry

2022 Year 04 Month 22 Day

Date trial data considered complete

2022 Year 05 Month 17 Day

Date analysis concluded

2025 Year 08 Month 29 Day


Other

Other related information

Temporal changes after cosmetic procedures and their relationship with skin characteristics


Management information

Registered date

2025 Year 12 Month 18 Day

Last modified on

2025 Year 12 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000068742