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Opinion|Videos|February 24, 2025
Overview of HR+ Breast Cancer Treatment
With Kevin Kalinsky, MD, the Oncology Brothers discuss hormone receptor–positive (HR+) breast cancer treatment, which targets HR+ tumors using hormone therapy (eg, tamoxifen, aromatase inhibitors), chemotherapy, targeted therapy (eg, CDK4/6 inhibitors), or sometimes surgery or radiation, depending on cancer stage and risk factors.
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T-DXd and Dato-DXd are now approved treatments in Japan for patients with breast cancer.
Data from the phase 3 EMBER-3 trial support the full approval of imlunestrant plus abemaciclib in this breast cancer population.
NICE recommended trastuzumab deruxtecan for reimbursement in England for HER2-low metastatic breast cancer, backed by DESTINY-Breast04 data.
Trastuzumab botidotin more than doubled median PFS vs trastuzumab emtansine in HER2-positive advanced breast cancer in the phase 3 KL166-III-06 trial.
Camizestrant/palbociclib did not significantly improve PFS vs anastrozole/palbociclib in first-line ER+/HER2– breast cancer in the phase 3 SERENA-4 trial.
Erica L. Mayer, MD, MPH, discussed the practical questions clinicians must answer as the SERENA-6 early-switch approach with camizestrant enters practice.
Erica L. Mayer, MD, MPH, explained why oncologists should switch to camizestrant at ESR1 mutation emergence rather than reserve oral SERDs for progression.
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