Cited by 294Breast Cancer Treatment StudiesBRCA gene mutations in cancerPARP inhibition in cancer therapy

Biology and Management of Patients With Triple-Negative Breast Cancer

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Sharma, Priyanka·2016·The Oncologist

Abstract

Triple-negative breast cancer (TNBC) accounts for 15% of all breast cancers and is associated with poor long-term outcomes compared with other breast cancer subtypes. Because of the lack of approved targeted therapy, at present chemotherapy remains the mainstay of treatment for early and advanced disease. TNBC is enriched for germline BRCA mutation, providing a foundation for the use of this as a biomarker to identify patients suitable for treatment with DNA-damaging agents. Inherited and acquired defects in homologous recombination DNA repair, a phenotype termed "BRCAness," may be present in a large proportion of TNBC cases, making it an attractive selection and response biomarker for DNA-damaging therapy. Triple-negative breast cancer is a diverse entity for which additional subclassifications are needed. Increasing understanding of biologic heterogeneity of TNBC has provided insight into identifying potentially effective systemic therapies, including cytotoxic and targeted agents. Numerous experimental approaches are under way, and several encouraging drug classes, such as immune checkpoint inhibitors, poly(ADP-ribose) polymerase inhibitors, platinum agents, phosphatidylinositol-3-kinase pathway inhibitors, and androgen receptor inhibitors, are being investigated in TNBC. Molecular biomarker-based patient selection in early-phase trials has the potential to accelerate development of effective therapies for this aggressive breast cancer subtype. TNBC is a complex disease, and it is likely that several different targeted approaches will be needed to make meaningful strides in improving the outcomes.

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  1. Miller K, O'Neill AM, Dang CT etal. Bevacizumab (Bv) in the adjuvant treatment of HERr2-negative breast cancer: Final results from Eastern Cooperative Oncology Group E5103. J Clin Oncol 2014;32:500a.
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Authors
Sharma, P.
Affiliations
University of Kansas Medical Center (US)
Corresponding author
Sharma, Priyanka
Venue
The Oncologist
Published
2016-07-11
Volume
21
Issue
9
Pages
1050-1062
ISSN
  • 1083-7159 (ISSN-L)
  • 1549-490X
OpenAlex
W2469627334
Cited by
294
References
135
Citations by year
2026: 10 · 2025: 27 · 2024: 32 · 2023: 33 · 2022: 50 · 2021: 52 · 2020: 31 · 2019: 21 · 2018: 19 · 2017: 13 · 2016: 6
FWCI
1.79
Type
journal article
Language
en
Open access
Locations
  • The Oncologist (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
Keywords
triple-negative breast cancer, germline BRCA1/2 mutation, BRCAness, homologous recombination deficiency, DNA-damaging agents, platinum agents, PARP inhibitors, immune checkpoint inhibitors, PI3K inhibitors, androgen receptor antagonists, molecular subtyping, targeted therapy, biomarker-based patient selection, chemotherapy
MeSH terms
Poly(ADP-ribose) Polymerase Inhibitors, DNA Damage, Female, Humans, Biomarkers, Tumor, Germ-Line Mutation, BRCA1 Protein, Angiogenesis Inhibitors, BRCA2 Protein, Molecular Targeted Therapy, Triple Negative Breast Neoplasms

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