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Lamarre D Anderson PC Bailey M Beaulieu P Bolger G Bonneau P Bös M Cameron DR Cartier M Cordingley MG Faucher AM Goudreau N Kawai SH Kukolj G Lagacé L LaPlante SR Narjes H Poupart MA Rancourt J Sentjens RE St George R Simoneau B Steinmann G Thibeault D Tsantrizos YS Weldon SM Yong CL Llinàs-Brunet M 《Nature》2003,426(6963):186-189
Hepatitis C virus (HCV) infection is a serious cause of chronic liver disease worldwide with more than 170 million infected individuals at risk of developing significant morbidity and mortality. Current interferon-based therapies are suboptimal especially in patients infected with HCV genotype 1, and they are poorly tolerated, highlighting the unmet medical need for new therapeutics. The HCV-encoded NS3 protease is essential for viral replication and has long been considered an attractive target for therapeutic intervention in HCV-infected patients. Here we identify a class of specific and potent NS3 protease inhibitors and report the evaluation of BILN 2061, a small molecule inhibitor biologically available through oral ingestion and the first of its class in human trials. Administration of BILN 2061 to patients infected with HCV genotype 1 for 2 days resulted in an impressive reduction of HCV RNA plasma levels, and established proof-of-concept in humans for an HCV NS3 protease inhibitor. Our results further illustrate the potential of the viral-enzyme-targeted drug discovery approach for the development of new HCV therapeutics. 相似文献
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