Bayer sells cancer drug Stivarga to Grunenthal for up to $431M
Bayer is offloading its aging cancer drug Stivarga to German compatriot Grunenthal for up to 375 million euros ($431M) as a potential new competitor from Exelixis nears an FDA decision; Stivarga's patents run to 2029 in the EU and 2030 in the U.S.