Wolfgang Janni, MD, PhD, of Ulm University, discusses study findings that showed extended adjuvant bisphosphonate treatment over 5 years in early breast cancer does not improve disease-free and overall survival when compared with 2 years of treatment (Abstract GS1-06).
Sibylle Loibl, MD, PhD, of the German Breast Group, discusses a study evaluating palbociclib plus endocrine treatment vs a chemotherapy-based treatment strategy in patients with hormone receptor–positive, HER2-negative metastatic breast cancer (Abstract OT3-05-04).
Eun-Sil Shelley Hwang, MD, of Duke University Medical Center, discusses study findings on primary endocrine therapy for estrogen receptor–positive ductal carcinoma in situ (Abstract GS5-05).
Joseph A. Sparano, MD, of Montefiore Medical Center/Albert Einstein College of Medicine, discusses findings that suggest circulating tumor cells 5 years after diagnosis are prognostic for late recurrence in operable stage II–III breast cancer (Abstract GS6-03).
Sherene Loi, MD, PhD, and Roberto Salgado, MD, PhD, both of the Peter MacCallum Cancer Centre, discuss study findings on pembrolizumab and trastuzumab in patients with trastuzumab-resistant disease (Abstract GS2-06).
Matteo Lambertini, MD, of the Institut Jules Bordet, discusses the results of five clinical trials investigating temporary ovarian suppression with gonadotropin-releasing hormone analogs during chemotherapy as a strategy to preserve ovarian function and fertility in premenopausal early breast cancer patients (Abstract GS4-01).
