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Studying Triple Negative Breast Cancer Using Orthotopic Breast Cancer Model
Published on: March 20, 2020
Contracting triple-negative breast cancer with immunotherapeutic armamentarium: recent advances and clinical
Avinash Khadela1, Shruti Soni2, Kaivalya Megha2
1Department of Pharmacology, L. M. College of Pharmacy, Navrangpura, Ahmedabad, Gujarat, 380009, India. avinashkhadela@gmail.com.
Abstract:
Triple negative breast cancer (TNBC) portraying deficient expression of estrogen receptor (ER), progesterone receptor (PR) and Human epidermal growth factor receptor 2 (HER2) is known to be the most aggressive subtype associated with poor prognosis and interventional strategies limited to chemotherapy and breast conserving surgery. Some TNBC incidences have also been reported with positive circ-HER2 expression thus rendering circ-HER2 a potential immunotherapy target to direct drug development. Resistance and recurrence reported with traditional approaches has led us towards the application of immunotherapeutic interventions owing to their anti-tumor efficacy. This review provides an elaborative insight on potential molecular biomarkers to be targeted by immunotherapy. Additionally, clinical trials proposing the application of immunotherapy in neoadjuvant, adjuvant and metastatic TNBC setting have also been included. The gathered evidence indicates a positive application of immunotherapy in TNBC with therapeutic limitation available only owing to the possibility of adverse events which can be dealt considering risk-to-benefit ratio. Furthermore, potential targets to aim for therapeutic vaccines along with evidence from clinical trials have also been mentioned.
Insights
Triple negative breast cancer (TNBC) shows promise for immunotherapy targeting molecular biomarkers like circ-HER2. Clinical trials indicate immunotherapy
Area of Science:
- Oncology
- Immunology
- Biomarker Discovery
Background:
- Triple negative breast cancer (TNBC) is an aggressive subtype with limited treatment options, primarily chemotherapy.
- Chemotherapy resistance and recurrence necessitate novel therapeutic strategies.
- circ-HER2 expression in some TNBC cases presents a potential immunotherapy target.
Purpose of the Study:
- To review potential molecular biomarkers for immunotherapy in TNBC.
- To examine clinical trials of immunotherapy in various TNBC settings (neoadjuvant, adjuvant, metastatic).
- To explore targets for therapeutic vaccines in TNBC.
Main Methods:
- Literature review of immunotherapy in TNBC.
- Analysis of clinical trial data for immunotherapy efficacy and safety.
- Identification of potential molecular targets for drug development and vaccines.
Main Results:
- Immunotherapy demonstrates positive application in TNBC, despite potential adverse events.
- circ-HER2 is identified as a promising immunotherapy target.
- Evidence from clinical trials supports immunotherapy's role in TNBC treatment.
Conclusions:
- Immunotherapy offers a promising avenue for treating TNBC, with careful risk-benefit assessment.
- Targeting molecular biomarkers like circ-HER2 can guide future drug development.
- Further research into therapeutic vaccines is warranted for TNBC management.
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