Fulvestrant and Palbociclib With or Without Copanlisib in Treating Patients With Hormone Receptor Positive, HER2 Negative, Stage IV Breast Cancer
Stopped change in study design.
Conditions
- Estrogen Receptor Positive
- HER2/Neu Negative
- Progesterone Receptor Positive
- Stage IV Breast Cancer AJCC v6 and v7
Interventions
- DRUG: Copanlisib
- DRUG: Fulvestrant
- OTHER: Laboratory Biomarker Analysis
- DRUG: Palbociclib
Sponsor
National Cancer Institute (NCI)