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Successful treatment of moderate to severe plaque psoriasis with the PEGylated Fab' certolizumab pegol: results of a phase II randomized, placebo-controlled trial with a re-treatment extension.

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Published:1st Jul 2012
Author: Reich K, Ortonne JP, Gottlieb AB, Terpstra IJ, Coteur G, Tasset C, Mease P.
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Ref.:Br J Dermatol. 2012 Jul;167(1):180-90.
DOI:10.1111/j.1365-2133.2012.10941.x.

BACKGROUND: Certolizumab pegol (CZP) is a PEGylated antitumour necrosis factor agent.

OBJECTIVES: To evaluate the efficacy and safety of CZP in patients with plaque psoriasis.

METHODS: In 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.

RESULTS: PASI 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.

CONCLUSIONS: Treatment 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.

 

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