Overview Phase II Trial of SAHA & Tamoxifen for Patients With Breast Cancer Status: Completed Trial end date: 2012-08-01 Target enrollment: Participant gender: Summary Phase II trial to explore the efficacy of vorinostat and tamoxifen combined. Phase: Phase 2 Details Lead Sponsor: H. Lee Moffitt Cancer Center and Research InstituteCollaborator: Merck Sharp & Dohme Corp.Treatments: EstrogensSelective Estrogen Receptor ModulatorsTamoxifenVorinostat