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Emerging Predictive Biomarkers of Response to Platinum Therapy in Triple-Negative Breast Cancer

Emerging Predictive Biomarkers of Response to Platinum Therapy in Triple-Negative Breast Cancer Triple-negative breast cancer (TNBC) is a heterogeneous disease with different biological characteristics and treatment outcomes compared to other subtypes of breast cancer. Recently, platinum-based chemotherapy has received increased attention in TNBCs based on promising results especially in the neoadjuvant setting. Homologous recombination deficiency (HRD) and tumor infiltrating lymphocytes (TILs) are new emerging biomarkers associated with platinum efficacy. Despite heterogeneity of methods used for HRD assessment, results of published studies showed consistently the predictive value of HRD for efficacy of platinum-based chemotherapy, especially in the neoadjuvant setting. Prognostic value of TILs in TNBCs is consistent across the trials and while the predictive value of TILs for platinum-based therapy in TNBCs is promising, it needs to be confirmed in further trials. Further research should focus on prospective validation of these biomarkers to confirm their clinical utility, while combination of these markers could lead to composite biomarkers that mirror both tumor and microenvironment properties. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Current Breast Cancer Reports Springer Journals

Emerging Predictive Biomarkers of Response to Platinum Therapy in Triple-Negative Breast Cancer

Current Breast Cancer Reports , Volume 7 (4) – Oct 1, 2015

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References (58)

Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media New York
Subject
Medicine & Public Health; Oncology; Internal Medicine; Surgical Oncology
ISSN
1943-4588
eISSN
1943-4596
DOI
10.1007/s12609-015-0194-z
Publisher site
See Article on Publisher Site

Abstract

Triple-negative breast cancer (TNBC) is a heterogeneous disease with different biological characteristics and treatment outcomes compared to other subtypes of breast cancer. Recently, platinum-based chemotherapy has received increased attention in TNBCs based on promising results especially in the neoadjuvant setting. Homologous recombination deficiency (HRD) and tumor infiltrating lymphocytes (TILs) are new emerging biomarkers associated with platinum efficacy. Despite heterogeneity of methods used for HRD assessment, results of published studies showed consistently the predictive value of HRD for efficacy of platinum-based chemotherapy, especially in the neoadjuvant setting. Prognostic value of TILs in TNBCs is consistent across the trials and while the predictive value of TILs for platinum-based therapy in TNBCs is promising, it needs to be confirmed in further trials. Further research should focus on prospective validation of these biomarkers to confirm their clinical utility, while combination of these markers could lead to composite biomarkers that mirror both tumor and microenvironment properties.

Journal

Current Breast Cancer ReportsSpringer Journals

Published: Oct 1, 2015

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