Interventions: On Day 1, patients treated with FOLFIRI therapy received a 2-hour intravenous infusion of CPT-11 (150 mg/m2) combined with 1-LV (200 mg/m2), followed by a rapid intravenous infusion of
During the run-in period, CZP will be administered at 400 mg (2 injections) at Wks 0, 2, and 4 and 200 mg with placebo (1 injection placebo, 1 injection CZP) at Wks 6, 8, 10, 12, 14 and 16. At Wk 18 p