Overview Safety and Efficacy Study of Dapsone Gel in Patients With Acne Vulgaris Status: Completed Trial end date: 2014-10-01 Target enrollment: Participant gender: Summary This study will assess the safety and efficacy of dapsone gel versus vehicle control in patients with acne vulgaris. Phase: Phase 3 Details Lead Sponsor: Almirall, S.A.MedDerm AssociatesCollaborator: AllerganTreatments: Dapsone