Panitumumab
DrugAll patients receive HAI FUDR (0.12 mg/kg/day X kg X pump volume) / pump flow rate and Dexamethasone flat dose of 25 mg on days 1.
All patients receive CPT-11 (150 mg/m2 IV over 30 min to an hour), Leucovorin (400 mg/m2 IV, over 30 min to an hour) and 5FU (1000 mg/m2/day continuous infusion over two days) on days 15 and 29 Randomization to panitumumab 6 mg/kg day 15 and 29 Each cycle repeats every 36 days for a total of 6 cycles