Many treatment guidelines for psoriasis rely heavily on body surface area (BSA) involvement to determine disease severity and eligibility for systemic therapies like biologics. Traditionally, patients with less than 10% BSA involvementespecially Pustular Psoriasis: The Dawn of a New Era HTML Acta Dermato Venereologica Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS Do We Have a New Psoriasis Drug? ola 2022 The FASEB Journal Wiley Online Library Experiences with peptides BPC 157 and TB 500?