Genetic Analysis in Blood and Tumor Samples From Patients With Advanced or Metastatic Estrogen Receptor Positive and HER2 Negative Breast Cancer Receiving Palbociclib and Endocrine Therapy
ACTIVE_NOT_RECRUITING
Status
Conditions
- Advanced Breast Carcinoma
- Locally Advanced Breast Carcinoma
- Metastatic Breast Carcinoma
- Recurrent Breast Carcinoma
- Stage III Breast Cancer AJCC v7
- Stage IIIA Breast Cancer AJCC v7
- Stage IIIB Breast Cancer AJCC v7
- Stage IIIC Breast Cancer AJCC v7
- Stage IV Breast Cancer AJCC v6 and v7
Interventions
- PROCEDURE: Biopsy
- PROCEDURE: Biospecimen Collection
- OTHER: Laboratory Biomarker Analysis
Sponsor
Mayo Clinic
Collaborators