- Ambulant patients with progressive metastatic CRC who have received prior treatment with 5 FU and irinotecan and/or oxaliplatin either as single agents or in combination. Either 5 FU and/or irinotecan and/or oxaliplatin may have been administered in the adjuvant setting or for the treatment of metastatic disease. Patients who have received both 5-FU and irinotecan or oxaliplatin in the adjuvant setting only must have experienced disease recurrence within one year of starting chemotherapy.