Polyethylene glycol embolics loaded with irinotecan for chemoembolization of refractory liver metastases from colorectal cancer

Background: Patients with liver metastases from colorectal cancer are in 80% of cases non-indicated for resection. The standard first line treatment of unresectablelivermetastases is systemic chemotherapy, however this method results in progression for 70% of patients. The indicated therapy for refractory patients is the chemoembolization. In this study we monitored tumor response, and adverse events after chemoembolization of colorectal cancer...