Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, the compounds are according to Formula 2001: where PD, Base, RA and RB are as provided herein. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents.

Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents. In certain embodiments, the compounds are 3?-deoxy nucleoside compounds according to Formula 3001a or 3001b: or a pharmaceutically acceptable salts, solvates, stereoisomeric forms, tautomeric forms, or polymorphic forms thereof, wherein PD, Base1 and Base2 are as provided herein.

Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents. In certain embodiments, the compounds are according to Formula 1501: or a pharmaceutically acceptable salt, solvate, stereoisomeric form, tautomeric form or polymorphic form thereof, wherein B, PD, RA, RB, RC, L, M and Z are as described herein.

Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents. In certain embodiments, the compounds are 2?,4?-bridged nucleosides which display remarkable efficacy and bioavailability for the treatment of, for example, HCV infection in a human. In certain embodiments, the 2?,4?-bridged nucleosides are of Formula 3001: or a pharmaceutically acceptable salt, solvate, stereoisomeric form, tautomeric form or polymorphic form thereof, where PD, B, W, X, RA, RB, RC and RD are as described herein.

Abstract: Provided herein are compounds, compositions and methods for the treatment of liver disease and conditions, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents.

Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents.