Correlative Analysis of Genetic Alterations and Everolimus Benefit in Hormone Receptor–Positive, Human Epidermal Growth Factor Receptor 2–Negative Advanced Breast Cancer: Results From BOLERO-2

作者: Gabriel N. Hortobagyi , David Chen , Martine Piccart , Hope S. Rugo , Howard A. Burris

DOI: 10.1200/JCO.2014.60.1971

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摘要: PurposeTo explore the genetic landscape of tumors from patients enrolled on BOLERO-2 trial to identify potential correlations between alterations and efficacy everolimus treatment. The has previously demonstrated that addition exemestane prolonged progression-free survival by more than twofold in with hormone receptor–positive, human epidermal growth factor receptor 2–negative, advanced breast cancer treated nonsteroidal aromatase inhibitors.Patients MethodsNext-generation sequencing was used analyze status cancer-related genes 302 archival tumor specimens representative study population. Correlations most common somatic degree chromosomal instability, treatment effect were investigated.ResultsProgression-free benefit maintained regardless alteration PIK3CA, FGFR1, CCND1 or pathways ...

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