Abstract
Colorectal carcinoma is the third most common cancer worldwide. Approximately 20% of patients with colorectal cancer will have metastatic disease at the time of initial diagnosis, and approximately 30% to 50% of patients with primary colon cancer will relapse and die of metastatic cancer. The 5-year survival rate of metastatic colorectal cancer remains disappointing at approximately 10%.Angiogenesis plays a significant role in tumor growth and metastasis in colorectal carcinoma. There are currently 4 US Food and Drug Administration-approved antiangiogenic agents for metastatic colorectal cancer. Bevacizumab is the only antiangiogenic agent approved by the US Food and Drug Administration for first-line treatment of metastatic colorectal cancer. Other antiangiogenic agents include ramucirumab, ziv-aflibercept, and regorafenib. We review the data supporting the use of antiangiogenics in this disease.
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