Treatment of Moderate-to-Severe Psoriasis WithAlefacept for Up to One Year: A Case Series
December 2010 | Volume 9 | Issue 12 | Original Article | 1491 | Copyright © 2010
Avnee Shah BS, Jenna ONeill MD, Steven R. Feldman MD PhD
Background: Alefacept has an established efficacy and safety profile for 12 weeks of treatment of severe chronic plaque type psoriasis. The effectiveness and safety of longer-term continuous use is not well characterized. Methods: Fifteen subjects with moderate-to-severe chronic plaque type psoriasis were given weekly 15 mg alefacept injections for 16 consecutive weeks followed by monthly 15 mg injections for up to eight consecutive months, along with clobetasol propionate spray 0.05% twice daily for the first four weeks. Disease severity was measured using the Psoriasis Area and Severity Index (PASI) and the Investigator Global Assessment (IGA). Results: Mean PASI scores improved 33 percent overall during the first month with combination treatment. There was an overall 21 percent worsening in PASI scores after the transition from weekly to monthly medication administration. Of the 15 initially enrolled patients, 27 percent achieved PASI 75 by end of study. No patients achieved an IGA of 0 or 1 by end of study. Two major adverse events were reported: low CD4 count and severe allergic dermatitis. Conclusion: Topical clobetasol propionate 0.05% was only partially effective at augmenting the early treatment effect of alefacept. The authors did not observe marked benefit or major side effects by continuing additional monthly alefacept treatments beyond 16 weeks of weekly treatment.
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