Pembrolizumab and Doxorubicin Hydrochloride or Anti-Estrogen Therapy in Treating Patients With Triple-Negative or Hormone Receptor-Positive Metastatic Breast Cancer
Conditions
- Estrogen Receptor Negative
- Estrogen Receptor Positive
- HER2/Neu Negative
- Progesterone Receptor Negative
- Progesterone Receptor Positive
- Stage IV Breast Cancer
- Triple-Negative Breast Carcinoma
Interventions
- DRUG: Anastrozole
- DRUG: Doxorubicin Hydrochloride
- DRUG: Exemestane
- OTHER: Laboratory Biomarker Analysis
- DRUG: Letrozole
- BIOLOGICAL: Pembrolizumab
Sponsor
City of Hope Medical Center
Collaborators
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