The purpose of this study is to evaluate the efficacy of enzalutamide with trastuzumab in subjects with HER2+ AR+ and ER-/PgR- metastatic or locally advanced breast cancer.
The purpose of this study is to evaluate the efficacy of enzalutamide with trastuzumab in subjects with HER2+ AR+ and ER-/PgR- metastatic or locally advanced breast cancer.