Management of female genital warts with an analog of imiquimod 2% in cream: a randomized, double-blind, placebo-controlled study

J Dermatol. 1998 Jul;25(7):429-33. doi: 10.1111/j.1346-8138.1998.tb02429.x.

Abstract

The purpose of this randomized, double-blind, placebo-controlled study was to determine the clinical efficacy and tolerability of an analog of imiquimod (2%)in cream to cure genital warts in women. Sixty preselected women, ranging between 18 and 45 years of age (mean 24.3) and having 411 lesions (mean 6.8) with clinical, histopathological and polymerase chain reaction (PCR) confirmed diagnosis of human papilloma virus (HPV) infection were randomized to two parallel groups. Each patient received a precoded 40-g tube and instructions on how to apply the trial medication to their lesions at home two times daily for five consecutive days per week. The active treatment period was six weeks. Patients were evaluated on a weekly basis. A clinically and PCR established total clearance of target warts was recorded as a cure. By the end of the treatment, 43.3% of patients and 42.8% of warts were cured. Code disclosure revealed that imiquimod cream had cured 83.3% of the treated patients and 84.3% of the tested warts, while the placebo healed one subject and four warts (p < 0.0001). Eight patients (13.3%) in the imiquimod group experienced mild to moderate, non-objective, drug-induced symptoms with no dropouts. Among the 26 cured patients, five had a relapse after 11 months. In conclusion, the data presented demonstrate that 2% imiquimod in cream with mild to moderate subjective side effects is significantly more effective than placebo in eliminating genital warts in women.

Publication types

  • Clinical Trial
  • Randomized Controlled Trial

MeSH terms

  • Adjuvants, Immunologic / administration & dosage
  • Adjuvants, Immunologic / adverse effects
  • Adjuvants, Immunologic / therapeutic use*
  • Administration, Topical
  • Adolescent
  • Adult
  • Aminoquinolines / administration & dosage
  • Aminoquinolines / adverse effects
  • Aminoquinolines / therapeutic use*
  • Condylomata Acuminata / therapy*
  • Condylomata Acuminata / virology
  • Double-Blind Method
  • Female
  • Humans
  • Imiquimod
  • Interferon Inducers / administration & dosage
  • Interferon Inducers / adverse effects
  • Interferon Inducers / therapeutic use*
  • Ointments
  • Papillomaviridae / classification
  • Papillomaviridae / genetics
  • Papillomavirus Infections / therapy
  • Placebos
  • Recurrence
  • Remission Induction
  • Tumor Virus Infections / therapy
  • Vulvar Diseases / therapy*
  • Vulvar Diseases / virology

Substances

  • Adjuvants, Immunologic
  • Aminoquinolines
  • Interferon Inducers
  • Ointments
  • Placebos
  • Imiquimod