Overview Three Doses of TAS-108 to Treat Recurrent or Recurrent Inoperable Breast Cancer Status: Completed Trial end date: 2008-01-01 Target enrollment: Participant gender: Summary This study is being done to find out how safe TAS-108 is and how well TAS-108 works on recurrent or recurrent inoperable breast cancer. Phase: Phase 2 Details Lead Sponsor: SRI InternationalCollaborator: Taiho Pharmaceutical Co., Ltd.Treatments: Estradiol