• Trastuzumab duocarmazine significantly improves progression-free survival compared to physician's choice in pretreated HER2-positive metastatic breast cancer patients.
• Combining eribulin with trastuzumab and pertuzumab demonstrates non-inferior progression-free survival versus taxanes in first-line HER2-positive advanced breast cancer.
• Pertuzumab retreatment with trastuzumab and chemotherapy shows a significant overall survival benefit in HER2-positive locally advanced/metastatic breast cancer.