treatment-resistant metastatic breast cancerdual-epitope blocking anti-human epidermal growth factor receptor 2 antibodyNCT04521179cytotoxic T-lymphocyte-associated protein 4/programmed death-ligand 1 bispecific antibody
…cking anti-human epidermal growth factor receptor 2 antibody in treatment-resistant metastatic breast cancer. We performed longitudinal sampling of patient tumor tissues be…