The purpose of this study is to compare the recurrence rate following total clearance of external genital warts (EGWs) when clearance has been obtained by imiquimod (3 applications per week for 4 weeks) followed by ablative therapy (laser or electrocautery therapy) with that from just ablative therapy treatment alone.

To compare the recurrence rate 24 weeks after ablative therapy in subjects with external genital warts trated with imiquimod, 3 applications per week for 4 weeks followed by ablative therapy versus vehicle, 3 applications per week for 4 weeks followed by ablative therapy. A recurrence is defined as the investoigator-assessed occurrence of lesion(s) within the baseline area cleared by the treatment: imiquimod/vehicle then ablative therapy (either the initial ablative therápy session (A0), or if required for complete clearance of baseline lesions, a second ablative therapy session (A2).

Inclusion Criteria:

• Subjects with at least 1 visible genital or perianal wart
• Total wart area 1 to 40 square centimeters.

Exclusion Criteria:

• Pregnant or lactating women
• Known other sexually transmitted disease
• Evidence of a clinically significant immunodeficiency
• Evidence of unstable cardiovascular, pulmonary, hematological, hepatic, renal, endocrine, collagen vascular, neurological or gastrointestinal abnormality or disease.
• Treatment within the 4 weeks prior to the Randomization Visit with any of the following systemic or topical treatments: interferons, interferon inducers, immunomodulators, immunosuppressive drugs, antiviral drugs (except for systemic acyclovir, valacyclovir and famciclovir), cytotoxic drugs, investigational drugs, or any drugs known to have major organ toxicity.