Colorectal cancer is one of the most prevalent malignancies worldwide, and its incidence continues to rise. The treatment for advanced colorectal cancer has significantly evolved in the last decade, with the addition of a number of new therapeutic agents; however, 5-fluorouracil remains at the core of most therapeutic approaches for this disease. Novel therapies targeting specific pathways have been developed for this disease, and the vascular endothelial growth factor ligand and receptor have been of particular interest. The blockade of what is considered the main angiogenic pathway is considered one of the main advances in cancer treatment. The aim of this article is to review the current status of the integration between anti-vascular endothelial growth factor therapies and cytotoxic chemotherapy, investigate what is known about development of resistance, and to explore new options of antiangiogenic treatments currently in late phases of development against colorectal cancer.
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