The Treatment of Psoriasis with Azarihine

Abstract
An open study was made of 25 patients with severe, recalcitrant psoriasis treated with azaribine (6-azauridine triacetate). Most patients received 125 mg/kg/day for a period of 8 weeks. A good to excellent response with 60–100% clearing of lesions was observed in 14 patients and a fair response with 40–60% improvement in another 6 patients. Thus 20 patients (80% of the series) exhibited a favorable clinical response. 16 of these 20 patients relapsed to approximately pretreatment status within 1 month after stopping therapy. The most frequently observed side-effects were mild reversible anemia, fatigue and mild transient gastrointestinal symptoms. 8 patients (32% of the series) exhibited sufficient toxicity to necessitate the discontinuance of therapy. 1 patient experienced an unexplained femoral arterial thrombotic episode while on the drug. Azaribine may find a place in the therapy of severe psoriasis particularly in patients with hepatic disease. However, further studies of its potential for toxicity are indicated.

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