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  • Title: Double-blind comparison of itraconazole and placebo in the treatment of tinea corporis and tinea cruris.
    Author: Pariser DM, Pariser RJ, Ruoff G, Ray TL.
    Journal: J Am Acad Dermatol; 1994 Aug; 31(2 Pt 1):232-4. PubMed ID: 8040406.
    Abstract:
    BACKGROUND: Tinea corporis and tinea cruris are usually treated with a topical antifungal agent unless the infection is unresponsive, involves an extensive area, is chronic, or is in a difficult-to-access area. In these cases oral antifungals are frequently used. OBJECTIVE: This double-blind study was undertaken to determine whether a 2-week course of oral itraconazole would produce statistically significant clinical and mycologic improvement in the treatment of tinea corporis, tinea cruris, or both, over the results obtained with placebo. A second objective was to determine the safety of itraconazole, through routine measurements of serum chemistry profiles. METHODS: Sixty-seven patients were entered into a double-blind, multicenter study to compare the clinical and mycologic effects of itraconazole, 100 mg daily (45 patients), and placebo (22 patients) on tinea corporis and/or tinea cruris. The duration of treatment was 2 weeks. The investigators assessed signs and symptoms and performed a potassium hydroxide examination and culture at baseline, at termination of therapy, and 2 weeks after completion of treatment. RESULTS: Twenty-two (96%) of 23 evaluable patients in the itraconazole group had healed or markedly improved lesions, as compared with 5 of 13 (39%) in the placebo group (p < or = 0.01). Similarly, the condition in 13 of 23 patients (57%) in the itraconazole group was mycologically cleared at the end of treatment whereas this result occurred in only 2 (17%) of 12 patients in the placebo group (p = 0.02). The prevalence of adverse side effects was lower for the itraconazole-treated group (20%) than for the placebo-treated group (36%). CONCLUSION: Itraconazole 100 mg once daily is an effective agent for the treatment of tinea cruris and tinea corporis.
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