T-DXd Based Therapy Followed by Endocrine Therapy Plus Dual HER2 Blockade in First-line HER2+/ HR+ Metastatic Breast Cancer and Retreatment With T-DXd
Conditions
- Advanced Breast Cancer
- Metastatic Breast Cancer
- HER2 Positive
- HR Positive
Interventions
- DRUG: Trastuzumab deruxtecan
- DRUG: Trastuzumab
- DRUG: Pertuzumab
- DRUG: Endocrine Therapy
- DRUG: Palbociclib
Sponsor
Daiichi Sankyo
Collaborators