Clinical implications of molecular heterogeneity in triple negative breast cancer.

Lehmann BD, Pietenpol JA
Breast. 2015 24 Suppl 2: S36-40

PMID: 26253813 · PMCID: PMC4641762 · DOI:10.1016/j.breast.2015.07.009

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.

Copyright © 2015 Elsevier Ltd. All rights reserved.

MeSH Terms (10)

Antineoplastic Agents Female Genetic Heterogeneity Humans Molecular Targeted Therapy Mutation Patient Selection Phenotype Transcription, Genetic Triple Negative Breast Neoplasms

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