Overview A Study of Efficacy and Safety With the Transdermal Contraceptive System Versus Triphasil. Status: Completed Trial end date: 1999-03-01 Target enrollment: Participant gender: Summary The purpose of the study was to compare the contraceptive efficacy and safety of the transdermal patch to Triphasil. Phase: Phase 3 Details Lead Sponsor: Johnson & Johnson Pharmaceutical Research & Development, L.L.C.Treatments: Contraceptive AgentsEstradiolEstradiol 17 beta-cypionateEstradiol 3-benzoateEstradiol valerateEthinyl EstradiolEthinyl Estradiol-Norgestrel CombinationEthinyl estradiol, levonorgestrel drug combinationNorelgestrominPolyestradiol phosphate