What is "sorafenib"

n. (context pharmacy English) A small molecule drug used to treat cancer of the kidney and liver.

Sorafenib (co-developed and co-marketed by Bayer and Onyx Pharmaceuticals as Nexavar), is a kinase inhibitor drug approved for the treatment of primary kidney cancer (advanced renal cell carcinoma), advanced primary liver cancer ( hepatocellular carcinoma), and radioactive iodine resistant advanced thyroid carcinoma.