Natural interferon alfa for treatment of condylomata acuminata.

The activity of natural (leukocyte) interferon alfa in the treatment of condylomata acuminata was assessed in a randomized, double-blind, placebo-controlled, multicenter trial. Interferon alfa (Alferon N Injection) or placebo was injected into lesions twice weekly for up to eight weeks. Eighty-six patients were given interferon alfa, and 72 were given placebo.