Germany's Bayer Schering Pharma is marching ahead into a Phase III study of regorafenib for colorectal cancer, gambling that it can successfully fend off a legal attack from its U.S. partner Onyx.
Regorafenib (BAY 73-4506) is closely related to the blockbuster therapy Nexavar, which is controlled by Onyx and Bayer. Onyx filed suit against Bayer a year ago, saying that the new cancer drug can be distinguished from Nexavar by only a single atom. As Reuters points out, both are multikinase...