Overview Comparative Safety and Efficacy of Two Antiviral Treatments in the Treatment of Recurrent Herpes Simplex Labialis Status: Completed Trial end date: 2017-11-21 Target enrollment: Participant gender: Summary To compare safety and efficacy of Perrigo's antiviral drug product compared to an FDA approved antiviral drug product in the treatment of cold sores. Phase: Phase 3 Details Lead Sponsor: Padagis LLCPerrigo CompanyTreatments: Acyclovir