....treatment period with RAPTIVA maintained PASI-75 response compared with 8 of 40 patients (20%) re-randomized to placebo. Sustained responses to RAPTIVA have also been observed in uncontrolled, open-label extension treatment trials when patients received RAPTIVA without interruption for 24 weeks.
In Study 2, response to intermittent RAPTIVA treatment was evaluated among patients who achieved PASI-75 response with 12 weeks of RAPTIVA treatment and were followed off-treatment until relapse of psoriasis (50% loss of treatment response). In patients who resumed RAPTIVA treatment upon relapse of psoriasis, 31% (17/55) re-established a PASI-75 response (compared with the initial baseline). After 12 weeks of treatment, the median duration of a PASI-75 response after RAPTIVA discontinuation was between 1 and 2 months. The safety and efficacy of RAPTIVA therapy beyond 1 year have not been established.
INDICATIONS AND USAGE
RAPTIVAŽ (efalizumab) is indicated for the treatment of adult patients (18 years or older) with chronic moderate to severe plaque psoriasis who are candidates for systemic therapy or phototherapy.
CONTRAINDICATIONS
RAPTIVA should not be administered to patients with known hypersensitivity to RAPTIVA or any of its components.
WARNINGS
Serious Infections
RAPTIVA is an immunosuppressive agent and has the potential to increase the risk of infection and reactivate latent, chronic infections. RAPTIVA should not be administered to patients with clinically important infections. Caution should be exercised when considering the use of RAPTIVA in patients with a chronic infection or history of recurrent infections. If a patient develops a serious infection, RAPTIVA should be discontinued. New infections developing during RAPTIVA treatment should be monitored closely. During the first 12 weeks of controlled trials, serious infections occurred in 7 of 1620 (0.4 %) RAPTIVA-treated patients compared with 1 of 715 (0.1%) placebo-treated patients (see ADVERSE REACTIONS, Infections). Serious infections
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