Colorectal cancer metastases to the liver are primarily supplied by the hepatic artery. Therefore, delivery of regional chemotherapy via the hepatic artery is a viable treatment option. Chemotherapy can be delivered in high concentration to the liver with minimal systemic toxicity. Hepatic artery infusional (HAI) chemotherapy both alone and in combination with systemic chemotherapy in the treatment of isolated hepatic metastases from colorectal cancer has resulted in high response rates and increased resection rates for previously unresectable liver disease. Regional chemotherapy can also be used as adjuvant treatment after complete resection of liver metastases to reduce hepatic recurrences. The combination of HAI therapy with modern systemic chemotherapy has a role in the palliative, adjuvant, and neoadjuvant settings. © 2010 Elsevier Inc. All rights reserved.
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