European Society for Medical Oncology (ESMO) Congress 2021
16 September - 21 September, 2021, Switzerland
Trastuzumab deruxtecan (T-Dxd) provides a highly clinically meaningful and statistically significant improvement in progression-free survival (PFS) vs trastuzumab emtansine (T-DM1) in second-line treatment of HER2-positive metastatic breast cancer (mBC), results of the phase III DESTINY-Breast03 trial have shown.