alexa Alefacept is safe and efficacious in the treatment of palmar plantar pustulosis.


Immunotherapy: Open Access

Author(s): Guenther LC

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BACKGROUND: Alefacept blocks T-cell activation and induces apoptosis of memory T cells. It improves psoriasis vulgaris and may induce prolonged remissions. Experience with alefacept in palmar plantar pustulosis (PPP) is limited. OBJECTIVE: The objective of the study was to observe the effectiveness and safety of alefacept in the treatment of PPP. METHODS: Alefacept was administered weekly for 16 weeks by intramuscular (IM) injection of 15 mg to 15 patients with moderate to very severe PPP. Patients were followed for an additional 12 weeks. RESULTS: Four weeks after 16 weeks of treatment, there was a 49.6% reduction in the Palmoplantar Pustulosis Psoriasis Area and Severity Index (PPPASI) and a 38.6% and a 64.5% reduction in total and fresh pustules, respectively. Eight weeks after dosing, 53.3% achieved PPPASI 50, 26.7% achieved PPPASI 75, and one patient was clear. The mean percent reduction in total pustules and fresh pustules was 46.1% and 61.2%, respectively; 73% had no pain, 53% had no itching, and 80% had no functional impairment. The palms responded better than the soles. CONCLUSIONS: This pilot showed that 16 weeks of once-weekly alefacept 15 mg IM was safe, led to improvement in PPP in all 15 treated patients, and induced a remission in one patient. Larger double-blind studies are warranted.
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This article was published in J Cutan Med Surg and referenced in Immunotherapy: Open Access

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