“…10,11 Ciclosporin has been associated with some improvement in nail psoriasis but its long-term use has been associated with renal dysfunction. 12 Antitumour necrosis factor (anti-TNF) biologic agents have improved outcomes in patients with moderate-to-severe plaque psoriasis, [13][14][15][16][17] and evidence has recently emerged showing that anti-TNFs are also effective for treating nail psoriasis. 8,15,[18][19][20][21][22][23][24][25][26][27][28][29] Nonetheless, to date no randomized, blinded, clinical study has been specifically designed to investigate the effect of anti-TNFs in this indication.…”