Tamoxifen Citrate or Letrozole With or Without Bevacizumab in Treating Women With Stage IIIB or Stage IV Breast Cancer
Status: ACTIVE_NOT_RECRUITING
Study type: INTERVENTIONAL
Conditions: Invasive Breast Carcinoma|Recurrent Breast Carcinoma|Stage III Breast Cancer AJCC v6|Stage IV Breast Cancer AJCC v6 and v7
Interventions: BIOLOGICAL: Bevacizumab|OTHER: Laboratory Biomarker Analysis|DRUG: Letrozole|OTHER: Questionnaire Administration|DRUG: Tamoxifen Citrate
Sponsor: National Cancer Institute (NCI)