Definition

A drug used to treat certain types of colorectal cancer, gastrointestinal stromal tumors, and hepatocellular carcinoma (a type of liver cancer). It is also being studied in the treatment of other types of cancer. Regorafenib blocks certain proteins, which may help keep cancer cells from growing. It may also prevent the growth of new blood vessels that tumors need to grow. Regorafenib is a type of kinase inhibitor and a type of antiangiogenesis agent. Also called Stivarga.