WESTLAKE VILLAGE, Calif., March 18, 2021 (GLOBE NEWSWIRE) — Arcutis Biotherapeutics, Inc. (Nasdaq: ARQT), a late-stage biopharmaceutical company focused on developing and commercializing treatments for unmet needs in immune-mediated dermatological diseases and conditions, or immuno-dermatology, today announced enrollment of the first patient in a Phase 2a clinical trial evaluating ARQ-252 as a potential treatment for vitiligo. ARQ-252 is a potent and highly selective topical small molecule inhibitor of Janus kinase type 1 (JAK1).