A Study to Evaluate Long-Term Maintenance Treatment With Once Daily Crisaborole Ointment 2% in Pediatric and Adult Participants With Mild-to-Moderate Atopic Dermatitis

Clinical Trial ID: NCT04040192


This study will evaluate crisaborole therapy once daily (QD) as a long-term topical maintenance therapy for the reduction of flare in responders to crisaborole twice daily (BID) treatment.

Approximately 700 participants will be enrolled in an run-in period to receive crisaborole, BID for up to a maximum of 8 weeks to identify crisaborole responders. A responder is defined as a participant who achieves both ISGA and EASI50 success. ISGA success is defined as achieving a score of 0 or 1 with at least 2 grade improvement from baseline; and the EASI50 success is defined as at least 50% improvement from baseline. Non responders at the end of the 8-week run-in period will be discontinued from the study. Approximately 250 responders will be randomized (1:1 ratio) to enter the double-blind maintenance treatment period to receive crisaborole or vehicle QD for 52 weeks, with follow-up assessments every 4 weeks. If a flare occurs and if the participant meets the criteria for having a flare (ISGA ≥2), the participant will switch to enter a flare treatment period to receive open-label crisaborole BID for up to 12 weeks with follow-up assessments every 4 weeks. If the flare has resolved (ISGA ≤1) the participant will resume maintenance treatment and respective visit schedule. If a flare does not resolve after 3 consecutive treatment courses the participant will discontinue the study. A flare treatment period may comprise up to 3 consecutive treatment courses with crisaborole BID (each course is 4 weeks). An end of study (EOS) safety follow-up is required 4 weeks after the last study treatment of any treatment period.


Inclusion Criteria: - Male or female - 2 years of age and older - Confirmed diagnosis of atopic dermatitis according to Hanifin and Rajka criteria - Minimum of 5% BSA affected by atopic dermatitis - ISGA score of Mild (2) or Moderate (3) Exclusion Criteria: - Has any clinically significant medical disorder, condition, or disease (including active or potentially recurrent non AD dermatological conditions and known genetic dermatological conditions that overlap with AD, such as Netherton syndrome).

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  • Condition Name

    Atopic Dermatitis

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