Efficacy and Tolerability of Topical Green Tea Extract (Polyphenon E) Application in a "Therapy-Resistant" Plantar Wart

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Abstract

Plantar warts account for 30% of all cutaneous warts. These lesions could be very painful, especially if the lesion is located over pressure sites such as the metatarsal head. Plantar wart treatment remains a challenging therapeutic problem. A 67-year-old immunocompetent nonsmoking man presented with a large mosaic plantar wart on his right foot. The lesion had been present for 5 years. Several cryotherapy sessions (a total of 6 procedures) had been performed with no success. The lesion was therefore treated with a 5-fluorouracil (5-FU) regimen and then with a topical combination of 5-FU and salicylic acid, but also these approaches failed. At the initial visit, a large (16 cm2) mosaic wart lesion was present. Treatment with topical Polyphenon E, 10%, twice daily was prescribed and started. After 3 months of treatment, the lesion completely disappeared. Interestingly, no curettage or mechanical pickling of the hyperkeratotic parts of the lesion were performed before the start of the treatment. Local tolerability was evaluated as very good by the patient.

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Meloni, G., & Milani, M. (2018). Efficacy and Tolerability of Topical Green Tea Extract (Polyphenon E) Application in a “Therapy-Resistant” Plantar Wart. Case Reports in Dermatology, 10(2), 127–132. https://doi.org/10.1159/000489160

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