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Clinical implications of molecular heterogeneity in triple negative breast cancer.


ABSTRACT: Triple negative breast cancer (TNBC) is a molecularly heterogeneous disease lacking recurrent targetable alterations and thus therapeutic advances have been challenging. The absence of ER, PR and HER2 amplifications, leaves combination chemotherapy as the standard of care treatment option in the adjuvant, neoadjuvant and metastatic settings. Recently, multiple studies have shed some light on the heterogeneity of TNBC and identified distinct transcriptional subtypes with unique biologies. Herein we review the molecular heterogeneity and the impact on previous and future clinical trials.

SUBMITTER: Lehmann BD 

PROVIDER: S-EPMC4641762 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Clinical implications of molecular heterogeneity in triple negative breast cancer.

Lehmann Brian D BD   Pietenpol Jennifer A JA  

Breast (Edinburgh, Scotland) 20150805


Triple negative breast cancer (TNBC) is a molecularly heterogeneous disease lacking recurrent targetable alterations and thus therapeutic advances have been challenging. The absence of ER, PR and HER2 amplifications, leaves combination chemotherapy as the standard of care treatment option in the adjuvant, neoadjuvant and metastatic settings. Recently, multiple studies have shed some light on the heterogeneity of TNBC and identified distinct transcriptional subtypes with unique biologies. Herein  ...[more]

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