Breast Cancer

Dr Hope Rugo provides an overview of some hot topics being covered at SABCS 2017 in the areas of hormone therapy, immunotherapy, neoadjuvant therapy, and more.
Dr Hope Rugo discusses studies that are aiming to evaluate the effect that CDK4/6 inhibitors have on patients with HER2+ breast cancer.
Hope S. Rugo, MD, describes how she would treat a patient with HER-positive metastatic breast cancer that has progressed with a CDK4/CDK6 inhibitor plus an aromatase inhibitor.
Dr Hope Rugo addresses some of the main differences between the 3 CDK4/6 inhibitors that are FDA-approved in HR-positive metastatic breast cancer.
Dr Hope Rugo cites that CDK4/6 inhibitors play a critical role in estrogen signaling and can be very effective in treating metastatic breast cancer when used in combination with hormone therapy.
OlympiAD provides proof of principle that breast cancers with defects in a specific DNA damage repair pathway are sensitive to a targeted therapy designed to exploit that defect, said Dr Robson.
CDK4/CDK6 inhibitors will most likely not have a role as monotherapy, said Ingrid Mayer, MD, Associate Professor of Medicine, Division of Hematology/Oncology, Vanderbilt University Medical Center, Nashville, TN, who discussed the study results.

During each patient’s laboratory work-up, oncology specialists rely on findings related to the tumor’s estrogen receptor (ER) and progesterone receptor status, as well as the amplification and overexpression of the human epidermal growth factor receptor 2 (HER2), to direct treatment planning.2,3

Duloxetine relieved musculoskeletal symptoms in a significant proportion of postmenopausal patients with breast cancer receiving treatment with aromatase inhibitors (AIs) in a randomized trial (SWOG S1202).
Several studies have shown that Ki67 is an independent prognostic factor in patients with breast cancer, and Ki67 is included in the Oncotype DX test that estimates the likelihood of breast cancer recurrence and the need for chemotherapy.
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