Medivir AB, of Huddinge, Sweden, said the Russian Ministry of Health has approved Sovriad (simeprevir) for the treatment of chronic hepatitis C genotype 1 infection, in combination with peginterferon alfa and ribavirin, in adults with compensated liver disease (including cirrhosis) who are treatment naïve or who have failed previous interferon therapy (pegylated or non-pegylated) with or without ribavirin.