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  • Title: Cyclosporine in chronic idiopathic urticaria: a double-blind, randomized, placebo-controlled trial.
    Author: Vena GA, Cassano N, Colombo D, Peruzzi E, Pigatto P, Neo-I-30 Study Group.
    Journal: J Am Acad Dermatol; 2006 Oct; 55(4):705-9. PubMed ID: 17010756.
    Abstract:
    BACKGROUND: Treatment of severe recalcitrant chronic idiopathic urticaria (CIU) is difficult. OBJECTIVE: To assess the efficacy and safety of oral cyclosporin A (CsA) in CIU. METHODS: The response to CsA was evaluated in 99 CIU patients with a double-blind, randomized, three-armed study: 16-week CsA, 8-week CsA +8-week placebo, and 16-week placebo. All patients received cetirizine throughout the study period and were followed-up after 8 weeks. RESULTS: Fewer therapeutic failures occurred with 16-week CsA (n = 3) than with placebo (n = 11) and 8-week CsA (n = 8). After 8 and 16 weeks, symptom scores significantly improved in both CsA groups over with placebo. Two patients discontinued because of hypertension. LIMITATIONS: During the study period, CsA was not administered at a constant dose; from day 28 the daily dose was 3 mg/kg, which is likely to be less effective and better tolerated than higher dosages. CONCLUSION: CsA in addition to background therapy with cetirizine may be useful in the treatment of CIU.
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