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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06253455
Other study ID # LRP23021-B serum
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date November 13, 2023
Est. completion date March 5, 2024

Study information

Verified date January 2024
Source Cosmetique Active International
Contact Min HU
Phone 15172249746
Email Humin@cosderma.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The objective of this study is to evaluate the efficacy, cosmetic acceptability and improvement of the stigmatization of the tested product (2039125 03) used bis in die (BID) for 3 months in adult patients suffering from mild to moderate melasma, or mild to moderate acne induced post-inflammatory hyperpigmentation, or solar lentigo.


Description:

Hyperpigmentation is a common skin condition in which the color of the skin becomes darker. These changes result from an excess of melanin production, distribution, or transport which can be caused by various internal or external factors such as genetic predisposition, hormonal changes, inflammation, acne, ultraviolet (UV) exposure. Typical hyperpigmentation disorders include post-inflammatory hyperpigmentation, melasma and solar lentigos. This open, single-centre, three arm study is carried out with a new cosmetic formulation developed with the aim of acting on facial hyperpigmentation and used under normal conditions of use with before/after comparisons. This clinical trial is conducted in accordance with the protocol, the HELSINKI declaration (1964) and subsequent amendments, and/or the International Council on Harmonization (ICH) Good Clinical Practices (GCP) / and in compliance with applicable regulatory requirements. Statistical analysis: - Efficacy analysis: In each group, the quantitative parameters will be analyzed using a mixed-effect model. This model includes Time and baseline as fixed effects. Patient will be added as random effect. The comparisons between post-baseline time-point and baseline will be performed whatever the interaction results using a Dunnett adjustment. Degrees of freedom for the comparisons will be approximated by the Kenward-Roger method. - Safety analysis: No statistical analysis will be performed on safety. The data will be presented descriptively. Categorical data will be summarized using the number and percentage of patients in each category. Continuous data will be summarized using the arithmetic mean, Standard Deviation (SD), Q1, Q3, minimum, median and maximum values. Regarding the sample size determination, there was no formal calculation. A number of 24 patients in each group was considered sufficient to meet the study objective.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date March 5, 2024
Est. primary completion date March 5, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - all phototypes - only one of the following pigmentary conditions on the face: epidermal or mixed, mild to moderate melasma; mild to moderate acne-induced PIHP; solar lentigo with a pigmentation - female patient of childbearing potential must use one of the reliable methods of contraception and agree not to change it during the study - patient agreeing not to be exposed to ultraviolet radiation (UV), natural (sun) or artificial (tanning salon), during the study Exclusion Criteria: - female patient who gave birth less than 3 months prior to Day 0, who is pregnant, breast-feeding or who plans to become pregnant during the study - male patient with beard or facial hair, which would interfere with clinical evaluation or clinical procedure baseline - patient with any inflammatory dermatosis of the face such as seborrheic dermatitis, rosacea etc. - severe melasma, dermal melasma - patient with facial pigmentary disorders other than those described in inclusion criteria - patient who has used topical depigmenting agents such as hydroquinone and derivatives, glycolic acid, kojic acid, retinoids and derivatives, azelaic acid, niacinamide within 1 month prior to Day 0/Baseline visit - patient who has used systemic treatments such as tranexamic acid and oral melatonin within 1 month prior to Day 0/Baseline visit - patient who has used drugs inducing pigmentation such as tetracyclines, fluoroquinolones, antiepileptics within 1 month prior to Day 0/Baseline visit

Study Design


Related Conditions & MeSH terms


Intervention

Other:
tested product
application twice a day of the tested product (in the morning and evening) and a sunscreen (in the morning and at midday) to the face for 3 months

Locations

Country Name City State
China COSderma Wuhan Hubei

Sponsors (1)

Lead Sponsor Collaborator
Cosmetique Active International

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary IGA score for patients with melasma or post-acne post-inflammatory hyperpigmentation (PIHP) the hyperpigmentation is measured on a scale from 0 (cleared, almost cleared) to 3 (Severe (Markedly darker than the surrounding normal skin)) from baseline to Day84
Primary modified Melasma Area Severity Index (mMASI) for patients with melasma The mMASI is calculated using 3 components: four regions of the face (forehead, right malar, left malar and chin); area of involvement for each region (using a scale from 0 to 6); darkness compared to the surrounding normal skin for each area (evaluated using a scale from 0 to 4) from baseline to Day 84
Primary Post-Acne Hyper Pigmentation Index (PAHPI) The PAHPI total score is the sum of all 3 weighted scores: medial lesion size (from 2 [< 3mm] to 8 [> 10 mm]), median lesion intensity (from 3 [Slightly darker than surrounding skin] to 9 [Significantly darker than surrounding skin]), and number of lesions (from 1 [1-15] to 5 [> 60]). Total score ranges from 6 to 22. from baseline to Day 84
Primary solar lentigo pigmentation scale the solar lentigo pigmentation scale evaluates the pigmentation using the following scale: form 0 (no pigmentation) to 10 (brown+). from baseline to Day84
Secondary colorimetry measurements Skin color is measured using the L*a*b* color space (L*represents lightness; a* its position between green and red; b* its position between blue and yellow) from baseline to Day84
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