Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS 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 Signaling pathways and targeted therapies for psoriasis Signal Transduction and Targeted Therapy Apremilast in the therapy of moderate to severe chronic plaque psorias DDDT Dove Medical Press Psoriasis New England Journal of Medicine