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Updated: Oct 25, 2025

Studying Triple Negative Breast Cancer Using Orthotopic Breast Cancer Model
Published on: March 20, 2020
Investigational Drug Treatments for Triple-Negative Breast Cancer
Christos Damaskos1,2, Nikolaos Garmpis2,3, Anna Garmpi4
1Renal Transplantation Unit, Laiko General Hospital, 11527 Athens, Greece.
Abstract:
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer (BC) and accounts for 10-20% of cases. Due to the lack of expression of several receptors, hormone therapy is largely ineffective for treatment purposes. Nevertheless, TNBC often responds very well to chemotherapy, which constitutes the most often recommended treatment. New beneficial targeted therapies are important to be investigated in order to achieve enhanced outcomes in patients with TNBC. This review will focus on recent therapeutic innovations for TNBC, focusing on various inhibitors such as phosphoinositide 3-kinase (PI3K) pathway inhibitors, poly-ADP-ribosyl polymerase (PARP) inhibitors, aurora kinase inhibitors, histone deacetylase inhibitors (HDACIs), and immune checkpoint inhibitors.
Insights
Triple-negative breast cancer (TNBC) is aggressive, lacking receptor targets. This review explores novel targeted therapies, including PI3K, PARP, aurora kinase, HDAC, and immune checkpoint inhibitors, to improve patient outcomes.
Area of Science:
- Oncology
- Medical Research
- Pharmacology
Background:
- Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer (BC), comprising 10-20% of cases.
- Hormone therapy is largely ineffective for TNBC due to the absence of specific receptor expression.
- Chemotherapy remains a primary treatment, but novel therapeutic strategies are crucial for improved patient outcomes.
Purpose of the Study:
- To review recent therapeutic innovations for triple-negative breast cancer (TNBC).
- To focus on various targeted inhibitors being investigated for TNBC treatment.
- To highlight potential advancements in enhancing outcomes for TNBC patients.
Main Methods:
- Literature review of recent therapeutic innovations for TNBC.
- Focus on targeted therapies including specific inhibitor classes.
- Analysis of emerging treatment strategies for aggressive breast cancer subtypes.
Main Results:
- TNBC's aggressive nature and lack of receptor targets necessitate alternative treatments.
- Chemotherapy is a standard treatment, but targeted therapies show promise.
- Various inhibitors, including PI3K, PARP, aurora kinase, HDACIs, and immune checkpoint inhibitors, are under investigation.
Conclusions:
- Targeted therapies represent a significant area of development for TNBC.
- Investigating inhibitors like PI3K, PARP, aurora kinase, HDACIs, and immune checkpoint inhibitors is vital.
- Continued research into novel treatments is essential to improve outcomes for patients with this aggressive breast cancer subtype.
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