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Updated: May 9, 2026

Monitoring Functionality and Morphology of Vasculature Recruited by Factors Secreted by Fast-growing Tumor-generating Cells
Published on: November 23, 2014
Novel approaches targeting the vascular endothelial growth factor axis in renal cell carcinoma
Martin H Voss1, James J Hsieh, Robert J Motzer
1Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA.
Abstract:
In recent years, functional characterization of the von Hippel-Lindau tumor suppressor, hypoxia-induced factors, and one of their key downstream effectors, the vascular endothelial growth factor (VEGF), has revolutionized treatment of advanced renal cell carcinoma. Therapeutic strategies targeting the ligand itself (VEGF-A) or its receptor (VEGFR2) have proven successful. However, complete remissions are rare, and with time patients invariably suffer disease progression. It is understood that this is due to incomplete suppression of VEGF signaling and/or adaptive up-regulation of non-VEGF-dependent tumor-promoting stimuli. In this article, we review novel VEGF-directed agents that are being developed to address the shortcomings of current targeted drugs for the treatment of advanced renal cell carcinoma. Building on our current understanding of molecular mechanisms behind resistance, examples include next-generation multitarget tyrosine kinase inhibitors, biologics, and other compounds.
Insights
Novel therapies targeting vascular endothelial growth factor (VEGF) have advanced advanced renal cell carcinoma treatment. New agents aim to overcome resistance and improve outcomes by targeting VEGF signaling more effectively.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- The von Hippel-Lindau tumor suppressor and hypoxia-induced factors regulate tumor growth.
- Vascular Endothelial Growth Factor (VEGF) is a key effector in advanced renal cell carcinoma (RCC).
- Current VEGF-targeted therapies (VEGF-A, VEGFR2) show success but are limited by incomplete remission and resistance.
Purpose of the Study:
- To review novel VEGF-directed agents for advanced renal cell carcinoma.
- To address the limitations of current targeted therapies in RCC.
- To explore strategies overcoming resistance mechanisms in VEGF-targeted treatment.
Main Methods:
- Review of current literature on VEGF-targeted therapies in advanced RCC.
- Analysis of molecular mechanisms of resistance to VEGF inhibition.
- Identification and categorization of novel therapeutic agents.
Main Results:
- Existing therapies targeting VEGF-A or VEGFR2 offer benefits but are not curative.
- Disease progression occurs due to incomplete VEGF suppression or alternative signaling pathways.
- Novel agents include next-generation multitarget tyrosine kinase inhibitors and biologics.
Conclusions:
- Next-generation VEGF-directed agents show promise for overcoming resistance in advanced RCC.
- Further development is needed to achieve complete and durable remissions.
- Understanding resistance mechanisms is crucial for designing effective treatments.
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