Overview SH T00186 Phase II/ III Optimal Drospirenone (DRSP) Dose Finding and Placebo-controlled Comparative Study Status: Completed Trial end date: 2009-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to investigate efficacy of drospirenone for dysmenorrhea. Phase: Phase 2/Phase 3 Details Lead Sponsor: BayerTreatments: DrospirenoneEthinyl Estradiol