Decision Resources, one of the world's leading research and advisory firms for pharmaceutical and healthcare issues, finds that a therapy that would improve median overall survival over IFL (bolus 5-fluorouracil, generics/leucovorin, generics/irinotecan) plus bevacizumab (Roche/Genentech/Chugai's Avastin), would earn a 60 percent patient share in stage IV colorectal cancer, according to surveyed U.S. oncologists. In Europe, such an agent would earn a 50 percent patient share, according to surveyed European oncologists.