Anti-CD3 x Anti-Erbitux® Armed Activated T Cells (Phase Ib) for Gastrointestinal (GI Cancer)

IV administration of 85 mb/m(2) oxaliplatin and 400 mg/m(2) leucovorin over 120 mins, followed by 400 mg/m(2) 5-fluorouracil (FU) bolus then 2400 mg/m(2) 5-FU as a 46 hr infusion. All patients must have central intravenous acess (e.g. mediport, PICC line) for continuous infusion of 5-FU. Adv. colorectal and pancreatic pts. w/no other standard chemo available, \& in pts who cannot receive FOLFOX chemo, immunotherapy may be given w/o antecedent chemo.

Armed ATC will be infused intravenously (IV) with the rate of infusion based on the endotoxin content of the product. All patients will be observed for at least 4 hours after an infusion. Armed ATC infusions will begin 3 weeks after chemotherapy and subsequent doses will be administered once weekly, for 3 weeks, then 12 weeks post aATC#1. Dose escalation level(per infusion): Level 0-5 billion; Level 1-10 billion; Level 2-20 billion; Level 3-40 billion