Topical Imiquimod 5% Cream in External Anogenital Warts: A Randomized, Double‐Blind, Placebo‐Controlled Study

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Abstract
The complete treatment of anogenital warts has not been obtained with any combination of methods; therefore, new methods are still under investigation. In this study the activity and side effects of imiquimod 5% cream were investigated. The study group consisted of 23 male and 11 female volunteers and the control group of 9 male and 2 female volunteers. Patients applied the cream three times a week, every other day in the evenings for a period of 12 weeks. After the treatment, patients were regularly monitored for six months for recurrences. At the end of the study, 23 (69.7%) patients (all of females and 54.5% of males) in the study group displayed a complete clearance, 9 patients displayed 50–90% clearance and 1 patient displayed less than 50% clearance. In the control group, only 1 patient displayed a complete clearance, 1 patient displayed 50–90% clearance, and the other 8 patients showed no alteration in the lesions. These results were statistically significantly different (p<0.01). In 15 patients in the study group, no side effects were reported; the most frequently seen side effects were erythema and erosion. In six patients that were observed for a period of six months, recurrences occurred. Imiquimod 5% cream is a topically applied medicament that should be considered as an effective and reliable medical option in the treatment of anogenital warts.

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