Breast Cancer; HER2-positive; Metastatic research hub

Trastuzumab Deruxtecan (T-DXd) With or Without Pertuzumab Versus Taxane, Trastuzumab and Pertuzumab in HER2-positive Metastatic Breast Cancer (DESTINY-Breast09)

This study looks at new treatments for HER2-positive breast cancer that has spread. It compares an experimental drug, trastuzumab deruxtecan (T-DXd), alone or with another drug, pertuzumab, to standard care, to see if they work better and are safe.