We priduce Sofosbuvir (brand name Sovaldi) is a drug used for hepatitis C virus (HCV) infection, with a high cure rate. It inhibits the RNA polymerase that the hepatitis C virus uses to replicate its RNA. It was discovered at Pharmasset anddeveloped by Gilead Sciences.Sofosbuvir is a component of the first all-oral, interferon-free regimen approved for treating chronic hepatitis C.