CS-1008 Used With Irinotecan Versus Irinotecan Alone in Subjects With Metastatic Colorectal Carcinoma Who Failed First-line Treatment With Oxaliplatin

The purpose of this study is to determine the effect of CS-1008 in combination with irinotecan compared to irinotecan alone on Progression-Free Survival (PFS) in subjects with metastatic or advanced colorectal cancer (CRC) who have failed oxaliplatin-based first-line treatment.