Overview Phase 3 Study of LY353381 Vs Tamoxifen in Women With Locally Advanced or Metastatic Breast Cancer. Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary To determine the safety and efficacy of LY353381 when compared to tamoxifen in women with advanced or metastatic breast cancer. Phase: Phase 3 Details Lead Sponsor: Eli Lilly and CompanyTreatments: Tamoxifen