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Silver duct tape occlusion in treatment of plantar warts in adults: Is it effective?

Duct tape occlusive therapy may represent a convenient alternative to the standard wart therapies. The objective of the current study is to assess the therapeutic effect of duct tape occlusion in comparison to cryotherapy in treatment of plantar warts in adults, in a prospective comparative randomized non‐inferiority design. A total of 100 patients presenting with plantar warts were divided into two equal groups. First group was treated with silver duct tape occlusion for up to 8 weeks or disappearance of warts, whichever occurred first. Second group was treated with cryotherapy every 2 to 3 weeks for a maximum of four sessions or disappearance of warts. There was a statistically significant lower rate of complete resolution in duct tape than cryotherapy group (20% vs 58%, P = .0001, respectively). Degree of response to treatment in the duct tape and cryotherapy groups was not correlated to patients' age (P = .361 and .334, respectively) or disease duration (P = .266 and .285, respectively), while there was a statistically significant inverse relationship between the number (P = .0032 and .001, respectively) and diameter of warts (P = .013 and .003, respectively) and the degree of response in the two studied groups. Cryotherapy has higher efficacy than duct tape in the treatment of plantar warts in adults; however, duct tape may represent a practical and convenient alternative to cryotherapy in certain circumstances.