Comparison Trial of OPA-15406 Ointment in Pediatric Patients With Atopic Dermatitis

A Multicenter, Randomized, Double-blind, Vehicle Controlled, Parallel-group Comparison Trial to Demonstrate the Superiority of 0.3% and 1% OPA-15406 Ointment to the Vehicle in Pediatric Patients With Atopic Dermatitis (Phase 3 Trial)

To demonstrate the superiority of the investigational medicinal product (IMP; 0.3% OPA-15406 ointment, 1% OPA-15406 ointment, or vehicle) to the vehicle when administered twice daily for 4 weeks using success rate in Investigator's Global Assessment (IGA) at Week 4 as the primary endpoint in pediatric patients with Atopic Dermatitis (AD).

Inclusion Criteria:

• Diagnosis of AD based on the Japanese Dermatological Association's criteria
• Atopic dermatitis affecting more than or equal to 5%, to less than or equal to 40% of body surface area (BSA, excluding scalp) at the screening and baseline examinations
• IGA score of 2 or 3 at the screening and baseline examinations

Exclusion Criteria:

• Subjects who have an AD or contact dermatitis flare-up defined as a rapid intensification of AD, within 28 days prior to the baseline examination