Overview A 2 Period Cross-over Pharmacokinetic Study of SB204 in Acne Vulgaris Status: Completed Trial end date: 2014-12-01 Target enrollment: Participant gender: Summary This study will identify how much (if any) drug is absorbed from the skin of subjects with acne vulgaris after topical application of SB204. Phase: Phase 1 Details Lead Sponsor: Novan, Inc.