• K Reich, J-P Ortonne, A B Gottlieb, I J Terpstra, G Coteur, C Tasset, and P Mease.
• Dermatologikum Hamburg, Stephansplatz 5, 20354 Hamburg, Germany. kreich@dermatologikum.de
• Br. J. Dermatol. 2012 Jul 1; 167 (1): 180-90.

BackgroundCertolizumab pegol (CZP) is a PEGylated antitumour necrosis factor agent.ObjectivesTo evaluate the efficacy and safety of CZP in patients with plaque psoriasis.MethodsIn a randomized, placebo-controlled, double-blind study, 176 patients with moderate to severe psoriasis received placebo or CZP 400 mg at week 0 followed by placebo or CZP (200 or 400 mg) every other week until week 10. Co-primary endpoints were ≥ 75% improvement from baseline in Psoriasis Area and Severity Index (PASI 75) and a Physician's Global Assessment (PGA) of clear-almost clear at week 12. A re-treatment extension study was conducted in 71 CZP PASI 75 responders who relapsed during a 12- to 24-week observation period without treatment.ResultsPASI 75 was achieved by 44/59 (75%), 48/58 (83%) and 4/59 (7%) patients in the CZP 200 mg, CZP 400 mg and placebo groups, respectively (P < 0·001 for both treatment arms vs. placebo). A PGA score of clear-almost clear was achieved by 53%, 72% and 2%, respectively (P < 0·001 for both treatment arms vs. placebo). In the re-treatment study median PASI scores were similar at week 12 in the first treatment and re-treatment periods for both CZP groups. Serious adverse events occurred in 3%, 5% and 2% of CZP 200 mg, CZP 400 mg and placebo patients, respectively.ConclusionsTreatment with CZP significantly improved psoriasis at week 12. Similar efficacy was observed at week 12 in patients receiving re-treatment for loss of response after drug withdrawal.© 2012 The Authors. BJD © 2012 British Association of Dermatologists.

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