The purpose of this global Phase 3 clinical study is to investigate the safety and efficacy of tapinarof cream, 1% in participants ages 3 months to 23 months (inclusive) with atopic dermatitis.
Infants and toddlers born at term (≥37 weeks of gestational age) that are 3 months to <24 months of age at the Screening visit.
Clinical diagnosis of atopic dermatitis (AD), AD covering >5% Body Surface Area (BSA) and validated Investigator Global Assessment for Atopic Dermatitis (vIGA-AD) score of 2, 3 or 4
Legal guardian or primary caregiver is willing and able to sign informed consent form before any study-related activities
Legal guardian or primary caregiver is able and willing to adhere to protocol requirements
Significant neurological disorder or history of seizure
Know clinically significant cardiac rhythm or cardiac disorder
History of sudden infant death in a sibling
Clinically significant chromosome abnormality
Parallel
Tapinarof cream, 1%
DrugTapinarof cream, 1%: Applied topically once daily to lesions on participant's skin during the Double-Blind period. During the Open-Label Period, it will be applied once daily to lesions, as needed.
Vehicle Cream
DrugApplied topically once daily to lesions on participant's skin during the Double-Blind period.
Percentage of participants who have a validated Investigator Global Assessment for Atopic Dermatitis (vIGA-AD) score of clear or almost clear (0 or 1) and a minimum 2-grade Improvement from Baseline to Week 8
The vIGA-AD is a global assessment of the current state of the disease. It is a static 5-point scale used to grade overall disease severity (scalp excluded), as determined by the investigator, using the clinical characteristics of erythema, induration/papulation, lichenification, oozing/crusting. The vIGA-AD ranges from 0 to 4 and is reported as Clear (0), Almost clear (1), Mild (2), Moderate (3), and Severe (4). Higher vIGA-AD scores represent more severe disease.
Percentage of participants who enter with or achieve have a validated Investigator Global Assessment for Atopic Dermatitis (vIGA-AD) score of clear or almost clear (0 or 1) and a minimum 2-grade Improvement at least once during the Open-Label Period
The vIGA-AD is a clinical tool for assessing the current state/severity of a subject's atopic dermatitis at a given timepoint.. It is a static 5-point scale used to grade overall disease severity (scalp excluded), as determined by the investigator, using the clinical characteristics of erythema, induration/papulation, lichenification, oozing/crusting. The vIGA-AD ranges from 0 to 4 and is reported as Clear (0), Almost clear (1), Mild (2), Moderate (3), and Severe (4). Higher vIGA-AD scores represent more severe disease.
Percentage of participants with ≥ 75% improvement in Eczema Area and Severity Index (EASI) Score from Baseline to Week 8.
The EASI is a scoring system that takes into account the overall severity of disease based on lesion severity and the %BSA affected with atopic dermatitis. The EASI is a composite score ranging from 0 -72 that takes into account the degree of erythema, edema/papulation, excoriation, and lichenification (each scored from 0 to 3 separately) for each of four body regions, with adjustment for the %BSA involved for each body region relative to the whole body. The subject's scalp is excluded from this assessment. A higher EASI score represents more severe disease.
Mean change in percentage of total body surface area (%BSA) affected from Baseline to Week 8
Assessment of %BSA is an estimate of the percentage of total involved skin with atopic dermatitis. Estimates were made using the handprint method, where the full palmar hand of the participant (fully extended palm, fingers and thumbs together) represented approximately 1% of the total BSA. Body regions are assigned a specific number of handprints with associated percentages (Head and neck = 10% \[10 handprints\], upper extremities = 20% \[20 handprints\], trunk (including axillae and groin) = 30% \[30 handprints\], lower extremities, including buttocks, = 40% \[40 handprints\]). Estimates of the percent involvement of each body region will be multiplied by the fraction of total body area to obtain the total %BSA involved by region and overall.
Percentage of participants with ≥ 90% improvement in Eczema Area and Severity Index (EASI) score from Baseline to Week 8
Severity Index (EASI) score from Baseline to Week 8 Description: The EASI is a scoring system that takes into account the overall severity of disease based on lesion severity and the extent of percent body surface area affected with atopic dermatitis. The EASI is a composite score ranging from 0 -72 that takes into account the degree of erythema, edema/papulation, excoriation, and lichenification (each scored from 0 to 3 separately) for each of four body regions, with adjustment for the percent body surface area involved for each body region relative to the whole body. A higher EASI score represents more severe disease.
Number of participants with one or more Treatment Emergent Adverse Events (TEAEs)
TEAEs are AEs that started on or after the first dose of study medication.
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