The Ministry of Health, Labour and Welfare research group ascertained in the Statin kind widely used as a hyperlipemia medicine, there was a strong controlling effect to the hepatitis C virus by the cell experiment by the fourth. It announces in Nihon Cancer Academic Society opened in Sapporo City on the 14th. It is assumed that the effect to exceed the present interferon of the main current and the combined therapy of the antiviral drug ribavirin greatly can be expected when using it with the interferon, and groups of Coreocayama of Sen Kato large professors of the research group have the policy of starting a clinical research by the person. Assistant professors of the group of Okayama University of Masanori Ikeda search for the one with the anti-virus action by using the cultured cell that can efficiently increase all genes of the developed hepatitis C virus from among an existing medicine. The effect of four kinds of Statin of Flbastatin, Shimbastatin, Atolbastatin, and Rorbastatin was confirmed.