Sorafenib Tosylate Following a Liver Transplant in Treating Patients With Liver Cancer

The purpose of this study is to determine if sorafenib (sorafenib tosylate) is a safe and effective treatment option for preventing liver cancer in high risk patients following liver transplantation. Liver transplantation is a treatment option for liver cancer patients, but despite transplantation, the liver cancer can recur in the new, transplanted liver. It is not known whether sorafenib is effective in preventing cancer recurrence in high risk patients following liver transplantation