Targeted therapy for breast cancer and molecular mechanisms of resistance to treatment
Abstract
In recent years, clinical trials investigating new drugs and therapeutic combinations have led to promising advances in breast cancer therapy. Subtyping breast cancers into hormone receptor (HR) positive, epidermal growth factor receptor (HER2) positive, and triple negative breast cancer (TNBC) is currently the basis of diagnosing and treating this disease. In addition to endocrine and HER2-targeted therapies in their respective subtypes, evidence from recent preclinical studies have shown several targetable pathways that overcome resistance in the clinical setting. The mTOR inhibitor everolimus and the CDK4/6 inhibitor palbociclib have been approved in HR-positive metastatic breast cancer (MBC) due to improved disease-free survival (DFS). Adding pertuzumab to trastuzumab in combination with taxanes further improves DFS in HER2-positive breast cancer. Targeted therapy to the heterogeneous group of TNBC is needed in combination with chemotherapy. However, patient selection and predictive biomarker development remains a big challenge for targeted therapy development in TNBC.
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Metastasis is the leading cause of death from breast cancer.
“Metastasis is the leading cause of death from breast cancer1, 37-39.”
From Liposomal Formulation of HIF-1α Inhibitor Echinomycin Eliminates Established Metastases of Triple-negative Breast Cancer (2020) · cites this paper as [37]
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High Mobility Group A (HMGA) proteins: Molecular instigators of breast cancer onset and progression
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- Authors
- Gu, G., Dustin, D., & Fuqua, S. A.
- Affiliations
- Baylor College of Medicine (US)
- Corresponding author
- Fuqua, Suzanne AW
- Venue
- Current Opinion in Pharmacology
- Publisher
- Elsevier BV
- Published
- 2016-12
- Volume
- 31
- Pages
- 97-103
- ISSN
- 1471-4892 (ISSN-L)
- OpenAlex
- W2549441121
- Cited by
- 163
- References
- 58
- Citations by year
- 2026: 6 · 2025: 8 · 2024: 11 · 2023: 21 · 2022: 24 · 2021: 27 · 2020: 18 · 2019: 14 · 2018: 20 · 2017: 14
- FWCI
- 2.77
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Current Opinion in Pharmacology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- NIH/NCI (R01-CA72038)
- CPRIT (RP120732)
- Breast Cancer Research Foundation
- Topics
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Advanced Breast Cancer Therapies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
- Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
- Keywords
- breast cancer, targeted therapy, treatment resistance, hormone receptor-positive breast cancer, HER2-positive breast cancer, triple-negative breast cancer, mTOR inhibition, everolimus, CDK4/6 inhibitors, palbociclib, pertuzumab, trastuzumab, predictive biomarkers, metastatic breast cancer
- MeSH terms
- Antineoplastic Agents, Breast Neoplasms, Female, Humans, Biomarkers, Tumor, Drug Design, Disease-Free Survival, Patient Selection, Drug Resistance, Neoplasm, Molecular Targeted Therapy
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