Chemoembolization, Irinotecan Bead, Second Line Chemotherapy Treatment of Unresectable Metastatic Colorectal Cancer

The primary objective of this study is to evaluate the safety and efficacy of Irinotecan Bead in combination with intravenous chemotherapy versus intravenous chemotherapy alone in the treatment of unresectable liver metastases in patients with colorectal cancer. The results of this study are intended to be used in support of a PMA application for a combination device