Soranib is used for the treatment of primary kidney cancer (advanced renal cell carcinoma) and advanced primary liver cancer. Soranib (sorafenib 200mg) is a cancer (chemotherapeutic) medication. Soranib (sorafenib 200mg) interferes with the growth of cancer cells and slows their growth and spread in the body.Soranib (sorafenib 200mg) is used to treat a type of kidney cancer called advanced renal cell carcinoma. It is also used to treat liver cancer.