期刊
CURRENT ONCOLOGY REPORTS
卷 15, 期 1, 页码 14-23出版社
SPRINGER
DOI: 10.1007/s11912-012-0277-1
关键词
Advanced breast cancer; Breast cancer; Endocrine resistance; Endocrine therapy; Everolimus; Hormone-receptor-positive; Infections; Metabolic abnormalities; mTOR inhibitors; Noninfectious pneumonitis; Stomatitis; Temsirolimus
类别
资金
- Novartis Pharmaceuticals Corporation
- Novartis
- Merrion
- Roche
- Amgen
- Astra Zeneca
- GlaxoSmithKline
- Sanofi-Aventis
Endocrine therapy (ET) with aromatase inhibitors (AIs) has become the standard of care for postmenopausal women with hormone-receptor-positive (HR+) advanced breast cancer (ABC); however, progression following initial treatment remains a major clinical challenge given the large patient population, many of whom develop progressive disease. There is an unmet need for treatment strategies that can overcome endocrine resistance. Growth factor-mediated signaling pathways, such as the phosphatidylinositol-3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/AKT/mTOR) pathway, contribute to estrogen-independent growth that may lead to endocrine resistance. Preclinical studies have demonstrated that the use of mTOR inhibitors, such as everolimus and temsirolimus, is a promising strategy to potentially enhance endocrine sensitivity in ABC. This review will focus on the current ET options for women with HR+ ABC who have progressed on prior AI therapy, the role of mTOR-mediated signaling in breast cancer, and the clinical evidence supporting the use of mTOR inhibitors.
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