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Evolution of Targeted Therapy in Breast Cancer: Where Precision Medicine Began
Jane Lowe Meisel1, Vyshak Alva Venur1, Michael Gnant1
1From the Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA; University of Iowa, Iowa City, IA; Medical University of Vienna and Austrian Breast and Colorectal Cancer Study Group, Vienna, Austria; UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC.
Abstract:
As we consider best practices and approaches to targeted therapy in the clinic and in terms of trial design, breast cancer can serve as a useful model for other disease types, because estrogen receptor-positive and HER2-positive breast cancer have been known entities for several decades. In this review, we provide a history of the development of anti-estrogen therapy and anti-HER2-directed therapy and we discuss our growing understanding of resistance to targeted therapy as seen through this lens. We highlight some of the recent breakthroughs that have enhanced our understanding of resistance to endocrine and anti-HER2 therapy, and we discuss some of the ongoing research in the field.
Insights
Breast cancer targeted therapies, like anti-estrogen and anti-HER2 treatments, offer insights into overcoming treatment resistance. Ongoing research explores new strategies for endocrine and HER2-directed therapy resistance.
Area of Science:
- Oncology
- Pharmacology
Background:
- Estrogen receptor-positive and HER2-positive breast cancer have been studied for decades.
- Targeted therapies have revolutionized breast cancer treatment.
- Understanding resistance mechanisms is crucial for improving patient outcomes.
Purpose of the Study:
- To review the historical development of anti-estrogen and anti-HER2 therapies.
- To discuss the evolving understanding of resistance to these targeted treatments.
- To highlight recent breakthroughs and ongoing research in overcoming therapy resistance.
Main Methods:
- Literature review of anti-estrogen and anti-HER2 therapy development.
- Analysis of resistance mechanisms in endocrine and HER2-directed therapies.
- Synthesis of current research findings and future directions.
Main Results:
- Established a historical context for targeted breast cancer therapies.
- Detailed the progression of understanding treatment resistance.
- Identified key breakthroughs in overcoming resistance to endocrine and anti-HER2 treatments.
Conclusions:
- Breast cancer serves as a valuable model for studying targeted therapy resistance.
- Continued research is essential for advancing endocrine and anti-HER2 therapy efficacy.
- Improved understanding of resistance mechanisms will guide future clinical trial design and treatment strategies.
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