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Am J Obstet Gynecol. 2009 Mar;200(3):233.e1-7. doi: 10.1016/j.ajog.2008.07.064. Epub 2008 Nov 18.

Green tea catechins for treatment of external genital warts.

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Department of Obstetrics and Gynecology, University of California, Irvine, Medical Center, Orange, CA, USA.


This review evaluates the antiviral, antioxidant, and immunostimulatory properties of green tea catechins. Two randomized trials evaluating the activity and efficacy of green tea catechins in the management of external genital warts are presented, and the reported side effects associated with this topical treatment modality are outlined. Finally, the mechanism of action, percent of wart clearance, time to clearance, and toxicity profile of green tea catechins are compared with those of podofilox and imiquimod, 2 other patient-administered topical agents approved for treatment of anogenital warts.

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