Abstract
Introduction: Treatment of nail psoriasis can be challenging and unsatisfactory. The aim of this study was to compare the efficacy of three different anti-TNF-α agents on nail psoriasis in patients affected by psoriasis.Materials and methods: Seventy-two patients with nail psoriasis were evaluated in this open, 24 weeks, prospective study. Patients were enrolled in three groups of treatment: adalimumab, etanercept or infliximab. Severity of nail psoriasis was assessed by the Nail Psoriasis Severity Index (NAPSI) at baseline, week 14, and 24.Results: Sixty patients were included in the study. The mean NAPSI was 33.77. In the adalimumab group, the mean NAPSI score was 33.1 (± 14.9) at baseline, 21 (± 8.91) at week 14 and 11.4 (± 4.6) at week 24 (p < 0.0002). In the etanercept group, the mean NAPSI was 34.8 (± 12.38) at baseline, 23.6 (± 10.43) at week 14, and 10.6 (± 5.25) at week 24 (p < 0.0016). In the infliximab group, the mean NAPSI was 33.3 (± 9.76) at baseline, 14.9 (± 4.20) at week 14 (p < 0.001) and 3.1 (± 3.27) at week 24 (p < 0.00001). At week 14 efficacy was higher in infliximab group compared to adalimumab and etanercept groups (p < 0.05).Conclusions: Among the three agents, in the infliximab group a significant improvement in nail psoriasis was observed as early as week 14 of therapy whereas in the adalimumab and etanercept groups at week 24.
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