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Vascular targeted therapies in oncology
Dietmar W Siemann1, Michael R Horsman
1Department of Radiation Oncology, University of Florida, 2000 SW Archer Road, Gainesville, FL, USA. siemadw@ufl.edu
Abstract:
Neovascularization is intimately involved in tumor survival, progression, and spread, factors known to contribute significantly to treatment failures. Thus, strategies targeting the tumor blood vessel support network may offer not only unique therapeutic opportunities in their own right, but also novel means of enhancing the efficacies of conventional anticancer treatments. This article reviews one such therapeutic approach directed at the tumor blood vessel support network. Vascular disrupting therapies seek the destruction of the established neovasculature of actively growing tumors. The goal of these therapies is to cause a rapid and catastrophic shutdown in the vascular function of the tumor in order to arrest the blood flow and produce tumor cell death as a result of oxygen and nutrient deprivation and the build up of waste products.
Insights
Targeting tumor neovascularization with vascular disrupting therapies offers a novel strategy to enhance cancer treatment. These therapies aim to shut down tumor blood vessels, leading to cell death from oxygen and nutrient deprivation.
Area of Science:
- Oncology
- Vascular Biology
Background:
- Neovascularization is crucial for tumor survival, progression, and metastasis.
- Tumor angiogenesis contributes significantly to treatment failure.
- Targeting tumor vasculature presents therapeutic opportunities and enhances conventional treatments.
Purpose of the Study:
- To review vascular disrupting therapies (VDTs) as a strategy targeting tumor neovasculature.
- To discuss the mechanism of VDTs in causing tumor vascular shutdown.
Main Methods:
- Review of existing literature on vascular disrupting therapies.
- Analysis of the physiological impact of vascular disruption on tumor growth.
Main Results:
- VDTs aim to destroy established tumor neovasculature.
- Rapid shutdown of tumor vascular function is the primary goal.
- Arrested blood flow leads to tumor cell death via deprivation and waste accumulation.
Conclusions:
- Vascular disrupting therapies represent a promising approach in oncology.
- Targeting tumor vasculature can enhance the efficacy of existing cancer treatments.
- VDTs offer a unique strategy to combat tumor survival and progression.
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