Real-world patterns of endocrine therapy for metastatic hormone-receptor-positive (HR+)/human epidermal growth factor receptor-2-negative (HER2-) breast cancer patients in the United States: 2002-2012

Curr Med Res Opin. 2014 Aug;30(8):1537-45

Clinical guidelines recommend that patients with HR+/HER2- metastatic breast cancer (mBC), the most prevalent mBC subtype, receive three lines of endocrine therapy (ET) prior to transitioning to chemotherapy (CT) in the absence of need for rapid response, symptomatic visceral disease, or suspected endocrine resistance. Little is known about real-world ET treatment patterns among HR+/HER2- mBC patients.

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Swallow E, Zhang J, Thomason D, Tan RD, Kageleiry A, Signorovitch J