Adult patients w/ unresectable locally advanced or metastatic triple -ve breast cancer who have received ≥2 prior systemic therapies, at least 1 of them for metastatic disease; unresectable locally advanced or metastatic hormone receptor +ve, human epidermal growth factor receptor 2 -ve (IHC 0, IHC 1+ or IHC 2+/ISH-) breast cancer who have received endocrine-based therapy & at least 2 additional systemic therapies in the metastatic setting.