German randomized double-blind multicentre comparison of terbinafine and itraconazole for the treatment of toenail tinea infection

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Abstract
One-hundred and ninety-five patients with toenail tinea unguium were recruited to a multicentre double-blind clinical trial. Patients were given 250 mg terbinafine or 200 mg itraconazole daily for 12 weeks, with follow-up for a further 40 weeks. At the end of the study, mycological cure rates were 81% (70/86 assessed) for terbinafine and 63% (53/84 assessed) for itraconazole (two-tailed, P < 0.01). The length of unaffected nail was 9.44 mm in the terbinafine group and 7.85 mm in the itraconazole group (two-tailed, P < 0.05). Patient self-assessment also favoured terbinafine, with 65% evaluating it as good to very good, compared with 58% for itraconazole. Before treatment the terbinafine group had a mean of 6.7 and the itraconazole group 6.3 affected nails per patient. Total cure was achieved in 69% of terbinafine and 61% of itraconazole affected nails. We conclude that terbinafine is more effective than itraconazole in the treatment of toenail tinea infection.

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