RESUMO
AIM: Human papillomavirus is the most common cause of sexually transmitted disease. It is associated with immunosuppression and shows a marked tendency to recur. We investigated a natural immunostimulant aimed to reduce recurrence. METHOD: A randomized controlled study was carried out including 261 patients allocated to surgical excision alone (control group; n = 122) and surgical excision plus postoperative immunostimulation for 30 days with a natural product (STET; study group; n = 139). Patients with HIV positivity were excluded. All patients gave fully informed consent. RESULTS: The patients were followed for 6 months after surgery. Recurrence occurred in 7.2% (10/139) in the study group and in 27.1% (33/122) in the control group (P < 0.0001). There were no significant differences in the sex, sexual orientation, number of lesions, time to diagnosis and treatment or localization of lesions in the two groups. CONCLUSIONS: Immunostimulation using a natural product significantly reduced the incidence of recurrence of anal condylomata in patients undergoing surgical excision.