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Pharmacotherapeutic options for patients with refractory breast cancer
Palma Fedele1, Mariangela Ciccarese2, Giammarco Surico3
1a Medical Oncology & Breast Unit , "Antonio Perrino" Hospital , Brindisi , Italy.
Introduction:
The development of resistance to therapy is a concern in all three subtypes of breast cancer (BC). Yet, outcomes of patients with BC have improved in the past few years thanks to a molecularly targeted approach and a greater understanding of the many mechanisms through which cancer cells adapt to evade drug therapies. Indeed, there have been a number of different and active treatment strategies for hormone receptor positive (HR+ and Her2 positive BC although triple-negative breast cancer treatment remains problematical because of the early onset of resistance to treatments and the limited availability of targeted treatment options.
Areas Covered:
Herein, the authors present the various pharmacotherapeutic options for refractory breast cancer including their perspectives on these options.
Expert Opinion:
In recent years, there has been significant progress in our understanding of the biological mechanisms that cause resistance to BC treatments. The targeted therapeutic approach particularly has improved patient outcomes for those with refractory BC, but some unresolved issues still remain. In particular, we need to identify biomarkers of resistance to better tailor treatments, toxicities, and costs. Moreover, we need to determine the best sequence of treatments in refractory BC patients.
Insights
Therapy resistance is a major challenge in breast cancer (BC) treatment. Advances in targeted therapies have improved outcomes, but further research is needed to identify resistance biomarkers and optimize treatment sequences.
Area of Science:
- Oncology
- Pharmacology
- Cancer Biology
Background:
- Therapy resistance is a significant challenge across all breast cancer (BC) subtypes.
- Recent advancements in molecularly targeted therapies have improved patient outcomes.
- Triple-negative breast cancer (TNBC) presents unique challenges due to early resistance and limited targeted options.
Purpose of the Study:
- To review current pharmacotherapeutic options for refractory breast cancer.
- To provide expert perspectives on managing treatment resistance in BC.
- To highlight unmet needs in refractory breast cancer treatment.
Main Methods:
- Literature review of current treatment strategies for refractory breast cancer.
- Analysis of mechanisms of therapeutic resistance in BC.
- Expert opinion on future directions in BC pharmacotherapy.
Main Results:
- Targeted therapies have shown promise in improving outcomes for refractory BC patients.
- Significant progress has been made in understanding BC resistance mechanisms.
- Unresolved issues include identifying resistance biomarkers and determining optimal treatment sequences.
Conclusions:
- Personalized treatment strategies are crucial for overcoming BC resistance.
- Biomarker discovery is essential for tailoring therapies and minimizing toxicity.
- Further research is needed to establish optimal treatment sequencing for refractory BC.
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