Nail psoriasis (NP) is often considered disfiguring for patients with a relevant impact on quality of life (QoL). It is also difficult to treat for dermatologists who are often frustrated by the scarcity of effective therapeutic alternatives in this particular location. Topical therapies are often used as the first‐line treatment for mild NP, but efficacy is the modest. Conventional disease‐modifying antirheumatic drugs (cDMARDs) (e.g., cyclosporine, methotrexate, acitretin, and dimethyl fumarate) are generally avoided in NP without general cutaneous involvement. Biologics represent, to date, a concrete possibility for the management of these patients. The data from the clinical trials are encouraging, although there are still few data in real‐life. Here, we report a study conducted at Siena University Hospital on 20 patients with NP on both hands and feet treated with anti‐IL23 for 52 weeks. No differences were evaluated from baseline to week 4 of anti‐IL‐23 treatment. NAPSI greatly improved at week 24 with almost 60% of patients reaching NAPSI75 and 40% NAPSI50. At week 52, almost 75% of patients reached NAPSI90. No adverse effects were reported in the patients in the study. The clinical response observed in these patients suggests that treatments that target interleukin‐23 may be an effective option for NP, especially when refractory to conventional therapies.

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