Updated long-term survival for patients with metastatic colorectal cancer treated with liver resection followed by hepatic arterial infusion and systemic chemotherapy

Background and Objectives

Patients who undergo liver resection for metastatic colorectal cancer (mCRC) have reported 5-year survivals ranging from 25% to 50%. The current study updated long-term survival for patients with resected liver metastases treated with adjuvant hepatic arterial infusion (HAI) and systemic (SYS) chemotherapy.

Methods

Updated survival and recurrence free survival for patients treated on four consecutive adjuvant protocols with HAI and SYS from 1991 to 2009. Patients were divided into two groups: those treated on protocols before 2003 and after 2003. Median follow-up for all patients was 11 years.

Results

All 287 patients enrolled in four prospective protocols after liver resection are included. Patients treated before 2003 had a median follow-up of 15 years, 5 and 10-year survivals of 56% [95%CI: 49–64%] and 40% [95%CI: 32–47%], respectively, and median survival of 71 months. Patients treated after 2003 had a median follow-up of 9 years, 5 and 10-year survivals of 78% [95%CI: 70–84%] and 61% [95%CI: 51–70%], respectively, and median survival has not been reached.

Conclusions

Survival is improving for patients with mCRC who undergo liver resection. These data support the durability of long-term survival in patients who undergo resection followed by adjuvant HAI and SYS therapy. J. Surg. Oncol. © 2016 Wiley Periodicals, Inc.

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