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Modeling Spontaneous Metastatic Renal Cell Carcinoma mRCC in Mice Following Nephrectomy
Published on: April 29, 2014
Reviewing Treatment Options for Advanced Renal Cell Carcinoma: Is There Still a Place for Tyrosine Kinase Inhibitor
Mário Fontes-Sousa1, Helena Magalhães2, Alicia Oliveira3
1Hospital CUF Tejo, Av. 24 Julho, 171A, 1350-352, Lisbon, Portugal. mario.fontes.sousa@cuf.pt.
Abstract:
Renal cell carcinoma (RCC) comprises a highly heterogeneous group of kidney tumours built upon distinct genetic- and epigenetic-driven mechanisms and molecular pathways. Therefore, responsiveness to treatment is considerably variable across patients, adding an extra layer of complexity to the already challenging therapeutic decision process. The last decade brought an unprecedented shift in the medical approach to advanced or metastatic RCC; in fact, immunotherapy-based combinations have significantly transformed the therapeutic arsenal and clinical outcomes of these patients. These strategies were quickly adopted by international guidelines committees as the new standards of care. However, this enhanced efficacy comes at the expense of tolerability, with a predictable negative impact on patients' quality of life. Moreover, subgroup and post hoc analyses of the major clinical trials have shown that not all patients benefit equally from these innovative approaches. In this context, a group of experts on kidney cancer met and discussed the state of the art in the field, with a special emphasis on the appropriateness of using monotherapy with an anti-angiogenesis tyrosine kinase inhibitor (TKI) to treat specific subgroups of patients with RCC. This article reviews the main topics that were considered to be pertinent for that discussion and establishes the profile of patients for whom TKI monotherapy remains a sensible frontline option by avoiding overtreatment and an unnecessary exposure to treatment-related toxicity.
Insights
For advanced kidney cancer (RCC), immunotherapy combinations improve outcomes but reduce quality of life. Experts suggest anti-angiogenesis tyrosine kinase inhibitor (TKI) monotherapy is a suitable frontline option for specific patient subgroups, avoiding overtreatment and toxicity.
Area of Science:
- Oncology
- Nephrology
- Translational Medicine
Background:
- Renal cell carcinoma (RCC) exhibits significant heterogeneity, impacting treatment response and therapeutic decisions.
- Recent advances in advanced/metastatic RCC treatment include immunotherapy combinations, now standard of care.
- These advanced treatments, while effective, pose tolerability issues and negatively affect patient quality of life.
Purpose of the Study:
- To review the current state of kidney cancer treatment, focusing on immunotherapy and anti-angiogenesis tyrosine kinase inhibitors (TKIs).
- To identify specific patient subgroups within advanced RCC for whom TKI monotherapy is an appropriate frontline treatment.
- To establish criteria for selecting TKI monotherapy to prevent overtreatment and minimize treatment-related toxicity.
Main Methods:
- Expert panel discussion on the state-of-the-art in kidney cancer management.
- Review of clinical trial data, including subgroup and post hoc analyses.
- Focus on the efficacy and tolerability of anti-angiogenesis TKI monotherapy versus combination therapies.
Main Results:
- Immunotherapy combinations offer improved outcomes but are associated with significant toxicity.
- Not all patients equally benefit from current standard-of-care immunotherapy combinations.
- TKI monotherapy can be a sensible frontline option for carefully selected RCC patient subgroups.
Conclusions:
- TKI monotherapy represents a viable and less toxic frontline option for specific RCC patient profiles.
- Personalized treatment selection is crucial to balance efficacy with patient quality of life.
- Avoiding overtreatment and unnecessary toxicity is paramount in managing advanced or metastatic RCC.
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