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The Use of Reverse Phase Protein Arrays (RPPA) to Explore Protein Expression Variation within Individual Renal Cell Cancers
Published on: January 22, 2013
Antibody therapy in renal cell carcinoma
Egbert Oosterwijk1, Otto C Boerman, Wim J C Oyen
1267 Experimental Urology, University Medical Center St Radboud, Geert Grooteplein 26-28, 6525 GA Nijmegen, The Netherlands. e.oosterwijk@uro.umcn.nl
Abstract:
The treatment of metastasized renal cell carcinoma (RCC) still represents a formidable challenge, despite the development of small molecule, tyrosine kinase inhibitors (TKI) that have made a major impact on the disease. Although the percentage of patients achieving a partial response or stabilization of disease has been impressive, these effects are mostly non-durable. Additionally, drug-related side effects can be quite severe. Alternative treatment modalities might be monoclonal antibodies (mAbs). mAbs against RCC-associated antigens have been developed and have shown promise. Additionally, current efforts focus on Bevacizumab that recognizes vascular endothelial growth factor (VEGF). VEGF overexpression in RCC provides the opportunity to inhibit this proangiogenic pathway. Also with Bevacizumab, promising results have been obtained, particularly in combination with other treatment modalities. It is likely that mAbs, either as single agents or in combination with other agents, may become useful additions to the armamentarium to diagnose and treat RCC.
Insights
Metastatic renal cell carcinoma (RCC) treatment remains challenging. Monoclonal antibodies (mAbs) targeting VEGF show promise as durable alternatives or adjuncts to tyrosine kinase inhibitors (TKIs) for RCC therapy.
Area of Science:
- Oncology
- Immunotherapy
- Nephrology
Background:
- Metastatic renal cell carcinoma (RCC) treatment is challenging despite tyrosine kinase inhibitors (TKIs).
- Current therapies offer limited durability and can cause severe side effects.
- Monoclonal antibodies (mAbs) represent a promising alternative treatment modality.
Purpose of the Study:
- To review the potential of monoclonal antibodies (mAbs) in treating metastatic renal cell carcinoma (RCC).
- To explore the role of Bevacizumab targeting vascular endothelial growth factor (VEGF) in RCC treatment.
- To assess the efficacy of mAbs as single agents or in combination therapies for RCC.
Main Methods:
- Review of current literature on RCC treatment modalities.
- Analysis of studies involving monoclonal antibodies (mAbs) against RCC-associated antigens.
- Evaluation of Bevacizumab's efficacy in inhibiting the VEGF pathway in RCC.
Main Results:
- Monoclonal antibodies (mAbs) have shown promise in targeting RCC-associated antigens.
- Bevacizumab, targeting vascular endothelial growth factor (VEGF), demonstrates positive outcomes, especially in combination therapies.
- Tyrosine kinase inhibitors (TKIs) provide initial responses but lack durability and have significant side effects.
Conclusions:
- Monoclonal antibodies (mAbs) may offer more durable responses in metastatic renal cell carcinoma (RCC) treatment.
- Bevacizumab and other mAbs targeting VEGF are valuable additions to the RCC therapeutic arsenal.
- Combination therapies involving mAbs could enhance treatment efficacy and patient outcomes for RCC.
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