Erbitux Less Effective For Colon Cancer Patients With Second Gene Mutation
Treatment with cetuximab (Erbitux) was less effective for patients with advanced colorectal cancer with a certain gene mutation, a new study found. Scientists already knew that the presence of K-ras mutations explains about 30 to 40 percent of cases in which colorectal cancer patients fail to respond to Erbitux, developed by ImClone and sold by Bristol-Myers Squibb and Merck KGaA, and Vectibix, from Amgen. The latest findings added another 12 percent.