Indications
Alefacept is indicated for the management of patients with moderate to severe chronic plaque psoriasis in adult patients who are candidates for systemic therapy or phototherapy. The concomitant use of low-potency topical corticosteroids was permitted during the treatment phase with alefacept and does not seem to pose any additional risks.
The drug was approved based upon studies involving 1,869 patients altogether with plaques covering at least 10% of body surface. Either 7.5 mg IV or 15 mg IM once a week were applied. The long term results (reduction of at least 75% in pretreatment PASI scores) were 14% and 21%, respectively. Additional improvements ensuing after completion of the 12-week treatment phase or after completion of a second alefacept treatment were also seen. Often the remissions were maintained for 7 to 12 months after end of treatment.
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