RESTORE (Raptiva® (Efalizumab) Evaluation of Safety and Treatment Optimization Registry) Observational, Open-label, Multi-centre, Phase IV Study of Subcutaneously Administered Raptiva® (Efalizumab) in the Treatment of Adult Patients With Moderate to Severe Chronic Plaque Psoriasis Who Are Candidates for Treatment With Raptiva®

RESTORE is an observational, open-label, multi-center, prospective, study enrolling Raptiva® (efalizumab) treated patients with moderate to severe chronic plaque psoriasis. The overall duration of the study is approximately 4 years. Patients will be followed from the time of study enrolment to study/treatment termination; thus active follow-up period will vary across subjects. Raptiva® (efalizumab)treated patients with moderate to severe chronic plaque psoriasis and meeting the inclusion/exclusion criteria specified will be eligible for participation in this study.

Objectives:

• To document and quantify the incidences of adverse events in this patient population
• To explore the association of psoriasis treatments with changes in patient outcomes, quality of life, and treatment compliance.