Overview A Study of Azelaic Acid (AzA) 15% in Topical Treatment of Mild to Moderate Perioral Dermatitis Status: Completed Trial end date: 2007-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to test the efficacy and safety of AzA 15% Gel in the treatment of mild to moderate perioral dermatitis. Phase: Phase 2 Details Lead Sponsor: BayerLEO PharmaCollaborator: BayerTreatments: Azelaic acid