Lynn J. Howie, MD, of the U. S. Food & Drug Administration, discusses a pooled analysis of outcomes of older women with hormone receptor–positive metastatic breast cancer treated with a CDK4/6 inhibitor as initial endocrine-based therapy (Abstract GS5-06).
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).
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).
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).
Debu Tripathy, MD, of The University of Texas MD Anderson Cancer Center, discusses phase III study findings on first-line ribociclib vs placebo with goserelin and tamoxifen or a nonsteroidal aromatase inhibitor in premenopausal women with hormone receptor–positive, HER2-negative advanced breast cancer (Abstract GS2-05).
Harold J. Burstein, MD, PhD, of the Dana-Farber Cancer Institute, discusses study findings on a comparison of adjuvant tamoxifen plus ovarian function suppression vs tamoxifen in premenopausal women with hormone receptor–positive breast cancer (Abstract GS4-03).
