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Continuum of care with anti-angiogenic therapies in metastatic colorectal cancer

  
@article{JGO1284,
	author = {Brandon G. Smaglo and Jimmy Hwang},
	title = {Continuum of care with anti-angiogenic therapies in metastatic colorectal cancer},
	journal = {Journal of Gastrointestinal Oncology},
	volume = {4},
	number = {3},
	year = {2013},
	keywords = {},
	abstract = {Inhibition of tumor angiogenesis has emerged as an important therapeutic component in the management of metastatic colorectal cancer. Three anti-angiogenic agents are currently approved in this clinical setting: bevacizumab, ziv-aflibercept, and regorafenib. Bevacizumab, a monoclonal antibody that targets the angiogenesis-driving ligand vascular endothelial growth factor A (VEGF-A), is the only anti-angiogenic agent approved in first-line therapy for metastatic colorectal cancer, where it can be used in combination with intravenous 5-fluorouracil-containing chemotherapy regimens. In conjunction with second-line chemotherapies, bevacizumab also has anti-cancer activity, both for the management of metastatic colorectal cancer in patients who received it as a part of their first line therapy and for those who are naïve to it. Ziv-aflibercept also has demonstrated clinical activity in conjunction with the chemotherapeutic regimen FOLFIRI in the second line management of patients with metastatic colorectal cancer; it functions by binding VEGF-A to the vascular endothelial growth factor proteins VEGF-B and PIGF (placental growth factor). Regorafenib, which inhibits multiple tyrosine kinases, including the VEGF receptors, has proven clinical benefit in the management of patients with metastatic colorectal cancer refractory to all other therapies. For patients’ whose cancers are refractory to all other therapies, there is also evidence for the use of bevacizumab with fluoropyrimidine monotherapy, but only in the bevacizumab-naïve patient subset. Presently, it is not clear if any one agent as more activity in a particular line of therapy than another, has greater efficacy when paired with a particular chemotherapy backbone, or if a particular patient subset is more likely to benefit from these agents. Given the present benefit and tolerance data, an anti-angiogenic agent should be considered in all lines of therapy in the management of metastatic colorectal cancer, with the evidence for the use of these agents in each specific line of therapy and in specific chemotherapeutic combinations driving agent selection.},
	issn = {2219-679X},	url = {https://jgo.amegroups.org/article/view/1284}
}