
Sara M. Tolaney, MD, MPH, discusses an analysis of depth of response in HER2-positive advanced/metastatic breast cancer treated with T-DXd plus pertuzumab.

Sara M Tolaney, MD is Chief of the Division of Breast Oncology at Dana-Farber Cancer Institute, and Associate Professor of Medicine at Harvard Medical School.

Sara M. Tolaney, MD, MPH, discusses an analysis of depth of response in HER2-positive advanced/metastatic breast cancer treated with T-DXd plus pertuzumab.

Sara M. Tolaney, MD, MPH, discusses how the shifting understanding of HER2 expression in breast cancer may affect the management of this disease.

Sara M. Tolaney, MD, MPH, discusses how the early-stage HER2-positive breast cancer treatment paradigm is evolving with the emergence of new phase 3 data.

Sara M. Tolaney, MD, MPH, discusses how therapeutic strategies are evolving within the HER2-positive breast cancer treatment paradigm.


Sara M. Tolaney, MD, MPH, discusses updated safety data from ASCENT-04 evaluating sacituzumab govitecan plus pembrolizumab in PD-L1–positive TNBC.

Sara Tolaney, MD, MPH, outlines emerging treatments and trials in the first-line setting for triple-negative breast cancer

Sara Tolaney, MD, MPH, discusses the clinical implications of sacituzumab govitecan in the first-line treatment of advanced triple-negative breast cancer.

Sara M. Tolaney, MD, MPH, discusses the design and potential significance of the ongoing ELEGANT trial of elacestrant in ER-positive early breast cancer.

Sara M. Tolaney, MD, MPH, discussed the use of T-DXd in patients with HER2-positive breast cancer with residual disease after neoadjuvant therapy.

Sara M. Tolaney, MD, MPH, discusses the potential role of Sac-TMT with/without pembrolizumab in HR+, HER2– breast cancer.

Sara Tolaney, MD, MPH, presents primary results from the Phase 3 ASCENT-04/KEYNOTE-D19 study showing that sacituzumab govitecan plus pembrolizumab significantly improved progression-free survival with manageable safety versus chemotherapy plus pembrolizumab in previously untreated PD-L1–positive advanced triple-negative breast cancer.

Sara Tolaney, MD, MPH, presents results from the phase 3 DESTINY-Breast09 study showing that trastuzumab deruxtecan plus pertuzumab improved progression-free survival vs taxane, trastuzumab and pertuzumab (THP) as a first-line treatment in patients with HER2 positive metastatic breast cancer.

Sara M. Tolaney, MD, MPH, details the clinical implications for first-line T-DXd/pertuzumab for the treatment of patients with HER2-positive breast cancer.

Sara M. Tolaney, MD, MPH, shares interim efficacy results from the DESTINY-Breast09 study of first-line T-DXd plus pertuzumab in HER2-positive breast cancer.

Sara M. Tolaney, MD, MPH, discusses the ideal time for patients with HR-positive breast cancer to undergo genetic testing for ESR1 mutations.

Sara M. Tolaney, MD, MPH, discusses considerations for the use of adjuvant CDK4/6 inhibitors in HR-positive, HER2-negative breast cancer.

Sara M. Tolaney, MD, MPH, discusses the utility of TROP2-directed antibody-drug conjugates in the treatment of patients with breast cancer.

Sara M. Tolaney, MD, MPH, discusses the sequential use of antibody-drug conjugates in the treatment of patients with breast cancer.

Sara M. Tolaney, MD, MPH, discusses standard-of-care frontline treatment approaches for patients with HER2-positive breast cancer.

Sara M. Tolaney, MD, MPH, discusses standard frontline treatment approaches for patients with HER2-positive breast cancer.

Sara M. Tolaney, MD, MPH, discusses key data on checkpoint inhibitor combinations in metastatic triple-negative breast cancer.

Sara M. Tolaney, MD, MPH discusses ongoing clinical trials investigating the addition of HER2-directed therapies to existing treatment regimens for HER2-positive breast cancer.

Sara M. Tolaney, MD, MPH, discusses the ongoing development of mutation-selective PI3K inhibitors in PI3K-mutant metastatic breast cancer.

Sara M. Tolaney, MD, MPH, discusses the potential role for biomarkers in guiding treatment decisions in early-stage HER2-positive breast cancer.

Sara Tolaney, MD, MPH, presents an exploratory pooled analysis of efficacy and safety data of trastuzumab deruxtecan vs comparator in patients with HER2-positive metastatic breast cancer and brain metastases from DESTINY-Breast01, -02, and -03.

Sara M. Tolaney, MD, MPH, discusses the real-world efficacy of fam-trastuzumab deruxtecan in patients with HER2-positive or HER2-low metastatic breast cancer, including patients who experienced changes in HER2 status during the treatment course.

Sara M. Tolaney, MD, MPH, discusses the current utilization of antibody-drug conjugates in patients with hormone receptor-positive, HER2-negative breast cancer, highlighting the question of sequencing among available agents.

Sara M. Tolaney, MD, MPH, discusses key data from a final overall survival analysis of the phase 3 TROPiCS-02 trial in hormone receptor–positive, HER2-negative breast cancer.

Massimo Cristofanilli, MD, and Sara Tolaney, MD, MPH, offer closing remarks on the HR+ breast cancer treatment landscape, offer advice for community oncologists, and look to the future.

Published: June 30th 2025 | Updated: July 21st 2025

Published: June 30th 2025 | Updated: July 21st 2025