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Updated: May 27, 2026

A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
Published on: April 12, 2017
Combination therapy for renal cell cancer: what are possible options?
Napoleon Santos1, Justin B Wenger, Pamela Havre
1Division of Hematology/Oncology, Department of Internal Medicine, University of Florida Shands Cancer Center, University of Florida, Gainesville, FL, USA.
Abstract:
Antiangiogenic therapy has shown promise in the treatment of patients with renal cell carcinoma (RCC). Two classes of antiangiogenic drugs, the anti-vascular endothelial growth factor antibody bevacizumab and the tyrosine kinase inhibitors sorafenib, sunitinib and pazopanib, have shown efficacy in patients with RCC and are approved by the US Food and Drug Administration for treatment of this cancer. In practice, the clinical benefit of antiangiogenic drugs in RCC has been heterogeneous, and in patients who do respond, benefits are modest and/or short-lived. To improve efficacy, combination targeted therapy has been attempted, but with either very limited additional efficacy or nontolerable toxicities. Recent advances in the molecular understanding of tumor angiogenesis and mechanism of resistance, along with the rapid development of targeted drug discovery, have made it possible to further explore novel combination therapy for RCC.
Insights
Antiangiogenic therapies show promise for renal cell carcinoma (RCC) but offer modest benefits. Novel combination therapies are being explored to improve efficacy in treating this cancer.
Area of Science:
- Oncology
- Medical Research
Background:
- Antiangiogenic therapies, including bevacizumab and tyrosine kinase inhibitors (sorafenib, sunitinib, pazopanib), are FDA-approved for renal cell carcinoma (RCC).
- Clinical benefits of these agents in RCC are often heterogeneous, modest, and short-lived.
- Previous combination targeted therapies have yielded limited efficacy or unacceptable toxicities.
Purpose of the Study:
- To explore novel combination therapies for renal cell carcinoma (RCC).
- To improve the efficacy of antiangiogenic treatments in RCC.
- To leverage recent advances in understanding tumor angiogenesis and resistance mechanisms.
Main Methods:
- Review of current antiangiogenic therapies for RCC.
- Analysis of molecular mechanisms in tumor angiogenesis and resistance.
- Exploration of novel targeted drug discovery for combination therapy.
Main Results:
- Current antiangiogenic drugs show variable efficacy in RCC patients.
- Combination therapies have faced challenges with efficacy and toxicity.
- Advances in molecular understanding pave the way for new treatment strategies.
Conclusions:
- Further research into novel combination therapies is crucial for improving RCC treatment outcomes.
- Targeted drug discovery holds promise for overcoming limitations of current antiangiogenic treatments.
- A deeper understanding of angiogenesis and resistance mechanisms is key to developing more effective RCC therapies.
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