J Drugs Dermatol
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A significant portion of patients with psoriasis have scalp and nail involvement. It has been reported that 40% to 45% of patients with psoriasis have nail psoriasis, and up to 80% have scalp involvement. Nail and scalp psoriasis have often been found to be difficult to treat, due to the poor penetration and poor compliance of topical medication. Oral and biologic therapies have shown significant efficacy but often with undesirable side effects. Herein, we analyze the efficacy of apremilast, an oral phosphodiesterase-4 (PDE-4) inhibitor, in the treatment of nail and scalp psoriasis at 16-, 32-, and 52 weeks. ⋯ With its limited safety profile of only diarrhea and headache and no additional lab requirements, apremilast may be a safer and more convenient alternative for patients with severe nail and scalp psoriasis.