Cyclosporine A inhibits hepatitis C virus nonstructural protein 2 through cyclophilin A
Sandra Ciesek, Eike Steinmann, Heiner Wedemeyer, Michael P. Manns, Johann Neyts, Norbert Tautz, Vanesa Madan, Ralf Bartenschlager, Thomas von Hahn, Thomas Pietschmann – 29 October 2009 – Numerous anti‐hepatitis C virus (HCV) drugs targeting either the viral nonstructural 3 (NS3) protease or NS5B polymerase are currently in clinical testing. However, rapid resistance development is a major problem and optimal therapy will clearly require a combination of multiple mechanisms of action.