Cancer treatment and research communications · 2026
Precision breast oncology: molecular insights and transformative clinical strategies.
СтатьяСистематический обзорНазвание и аннотация: Перевод в очереди
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Chauhan Bindiya, Kumar Dinesh, Ahmad Anas, Haque Ziyaul, Baig Mirza Salman, Choudhary Neeraj, Tanwar Rajni, Sophia A, Alam Mohammad Intakhab, Webster Thomas J, Faiyazuddin Md
Аннотация
BACKGROUND: Breast cancer (BC) is a highly heterogeneous malignancy originating from mammary epithelial cells and remains a leading cause of cancer-related mortality worldwide, with ∼2.3 million new cases and over 665,000-670,000 deaths annually. The disease is driven by complex molecular mechanisms, including hormone receptor signaling, genetic mutations (e.g., TP53, BRCA), and HER2 pathways. Advances in molecular classification have enabled the identification of distinct subtypes, including luminal A, luminal B, HER2-positive (HER2+) subtype, and triple-negative breast cancer (TNBC), each requiring tailored therapeutic strategies.
METHODS: A systematic literature review was conducted covering studies published between 2012 and 2025 using databases including Scopus, ScienceDirect, SpringerLink, and Taylor & Francis. Relevant studies on breast cancer biology, diagnostics, nanomedicine, and therapeutic strategies were selected based on predefined inclusion and exclusion criteria to ensure data relevance and quality.
RESULTS: The review highlights significant progress in breast cancer management, particularly in early detection through imaging and biomarker screening, and in treatment through targeted therapy, immunotherapy, and nanocarrier-based drug delivery systems. Nanomedicine approaches have demonstrated improved tumor targeting and potential reductions in systemic toxicity in preclinical and early clinical studies; however, most nanomedicine platforms remain under clinical evaluation. Challenges such as metastasis, disease recurrence, and therapeutic resistance remain major clinical challenges, particularly in metastatic triple-negative breast cancer (mTNBC). Although distant-stage TNBC has an approximately 15% 5-year relative survival rate, median overall survival in mTNBC has historically been reported at about 8-13 months and may extend to approximately 12-18 months in some contemporary cohorts. Recent advances, including immune checkpoint inhibitors, PARP inhibitors, and antibody-drug conjugates (ADCs), have modestly improved outcomes.
CONCLUSIONS: Despite substantial advancements, breast cancer remains a major clinical challenge due to its heterogeneity and resistance mechanisms. Integration of molecular profiling, precision medicine, and nanotechnology-based therapeutic strategies offers promising avenues for improving diagnosis, treatment efficacy, and patient outcomes. Future research should focus on overcoming resistance, targeting the tumor microenvironment (TME), and enhancing personalized treatment approaches.
METHODS: A systematic literature review was conducted covering studies published between 2012 and 2025 using databases including Scopus, ScienceDirect, SpringerLink, and Taylor & Francis. Relevant studies on breast cancer biology, diagnostics, nanomedicine, and therapeutic strategies were selected based on predefined inclusion and exclusion criteria to ensure data relevance and quality.
RESULTS: The review highlights significant progress in breast cancer management, particularly in early detection through imaging and biomarker screening, and in treatment through targeted therapy, immunotherapy, and nanocarrier-based drug delivery systems. Nanomedicine approaches have demonstrated improved tumor targeting and potential reductions in systemic toxicity in preclinical and early clinical studies; however, most nanomedicine platforms remain under clinical evaluation. Challenges such as metastasis, disease recurrence, and therapeutic resistance remain major clinical challenges, particularly in metastatic triple-negative breast cancer (mTNBC). Although distant-stage TNBC has an approximately 15% 5-year relative survival rate, median overall survival in mTNBC has historically been reported at about 8-13 months and may extend to approximately 12-18 months in some contemporary cohorts. Recent advances, including immune checkpoint inhibitors, PARP inhibitors, and antibody-drug conjugates (ADCs), have modestly improved outcomes.
CONCLUSIONS: Despite substantial advancements, breast cancer remains a major clinical challenge due to its heterogeneity and resistance mechanisms. Integration of molecular profiling, precision medicine, and nanotechnology-based therapeutic strategies offers promising avenues for improving diagnosis, treatment efficacy, and patient outcomes. Future research should focus on overcoming resistance, targeting the tumor microenvironment (TME), and enhancing personalized treatment approaches.