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Itraconazole pulse therapy for onychomycosis and dermatomycoses: an overview
P D Doncker1, A K Gupta, G Marynissen
1Janssen Research Foundation, Beerse, Belgium.
Background:
Itraconazole is a broad-spectrum antifungal agent that has been used to treat dermatomycosis and onychomycosis using continuous therapy. More recently the drug has been used as pulse dosing.
Objective:
Our purpose was to review the studies in which itraconazole pulse therapy (PT) has been administered in the management of dermatomycoses.
Results:
For tinea pedis and manuum, the recommended dosage is itraconazole 200 mg twice daily for 1 week (n = 220). A clinical response and mycologic cure rate of 90% +/- 4% and 76% +/- 6%, respectively, has been obtained. For tinea corporis/cruris, itraconazole 200 mg/day for 1 week (n = 354) resulted in a clinical response and mycologic cure rate of 90% +/- 4% and 77% +/- 6%, respectively. When three pulses of itraconazole are used to treat toenail onychomycosis (n = 1389), the clinical cure rate, clinical response, and mycologic cure rate at follow-up 12 months after the start of therapy were 58% +/- 10%, 82% +/- 3%, and 77% +/- 5%, respectively. With two pulses for onychomycosis of the fingernails, the clinical cure rate, clinical response, and mycologic cure rate at follow-up, 9 months after the start of therapy, were 78% +/- 10%, 89% +/- 6%, and 87% +/- 8%, respectively.
Conclusion:
Itraconazole PT is effective and safe in the treatment of tinea pedis/manuum, tinea corporis/cruris, and onychomycosis.