Abstract: The present invention features compounds of formula I or pharmaceutically acceptable salts, solvates or prodrugs thereof, and methods of using the same to inhibit the metabolizing activities of CYP enzymes. The present invention also features methods of using these compounds, salts, solvates or prodrugs to improve the pharmacokinetics of drugs that are metabolized by CYP enzymes.

Abstract: The present invention relates to novel macrocyclic compounds and methods of treating a hepatitis C infection in a subject in need of such therapy with said macrocyclic compounds. The present invention further relates to pharmaceutical compositions comprising the compounds of the present invention, or pharmaceutically acceptable salts, esters, or prodrugs thereof, in combination with a pharmaceutically acceptable carrier or excipient.

Abstract: Compounds capable of inhibiting replication of the hepatitis C virus (“HCV”) are described. This invention also relates to processes of making such compounds, compositions comprising such compounds, and methods of using such compounds to treat HCV infection.

Abstract: Novel compounds of formula 1 or a pharmaceutically acceptable salt thereof inhibit cytochrome P450 monooxygenase.

Abstract: A compound of the formula is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.

Abstract: The present invention features compounds of formula I or pharmaceutically acceptable salts, solvates or prodrugs thereof, and methods of using the same to inhibit the metabolizing activities of CYP enzymes. The present invention also features methods of using these compounds, salts, solvates or prodrugs to improve the pharmacokinetics of drugs that are metabolized by CYP enzymes.

Abstract: Novel compounds of formula 1 or a pharmaceutically acceptable salt thereof inhibit cytochrome P450 monooxygenase.

Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.

Abstract: The present invention provides HCV polymerase inhibiting compounds having the formula (I): where R1 is cyclobutyl-N(Ra)—, n is 1, 2, 3 or 4, and at least one R5 is RaSO2N(Rj)alkyl-. In a non-limiting example, a compound of the present invention is N-[(3-{1-[(cyclobutyl)amino]-4-hydroxy-2-oxo-1,2-dihydro-quinolin-3-yl}-1,1-dioxo-1,4-dihydro-1?6-thieno[2,3-e][1,2,4]thiadiazin-7-yl)methyl]methanesulfonamide. The present invention also features compositions comprising the compounds of the present invention or pharmaceutically acceptable salts, stereoisomers or tautomers thereof, and methods of using the same to treat or prevent HCV infection.

Abstract: The present invention discloses compositions and a method of improving the pharmacokinetics of pharmaceutical agents (or pharmaceutically acceptable salts, esters, and prodrugs thereof) which are metabolized by cytochrome P450 monoxygenase comprising coadministering ritonavir or a pharmaceutically acceptable salt, ester, and prodrug thereof.

Abstract: Compounds effective in inhibiting replication of Hepatitis C virus (“HCV”) or other viruses are disclosed. This invention is also directed to compositions comprising such compounds, co-formulation or co-administration of such compounds with other anti-viral or therapeutic agents, processes and intermediates for the syntheses of such compounds, and methods of using such compounds for the treatment of HCV or other viral infections.

Abstract: Compounds effective in inhibiting replication of Hepatitis C virus (“HCV”) or other viruses are disclosed. This invention is also directed to compositions comprising such compounds, co-formulation or co-administration of such compounds with other anti-viral or therapeutic agents, processes and intermediates for the syntheses of such compounds, and methods of using such compounds for the treatment of HCV or other viral infections.

Abstract: The present invention provides an HCV polymerase inhibiting compound having the formula (I) and a composition comprising a therapeutically effective amount of said compound. The present invention also provides a method for inhibiting hepatitis C virus (HCV) polymerase, a method for inhibiting HCV viral replication, and a method for treating or preventing HCV infection. Processes for making said compounds, and synthetic intermediates employed in said processes, are also provided.

Abstract: A compound of the formula is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.

Abstract: A compound of the formula is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.

Abstract: A compound of the formula is disclosed as a prodrug of an HIV protease inhibitor. Methods and compositions for inhibiting HIV protease activity and treating HIV infection are also disclosed.

Abstract: Novel compounds of formula 1 or a pharmaceutically acceptable salt thereof inhibit cytochrome P450 monooxygenase.

Abstract: The present invention is directed to a method for inducing UGT1A1 isoform expression for treatment of a disease, disorder or adverse effect caused by an elevated serum concentration of an UGT1A1 substrate comprising the step of administering to a subject an effective amount of ritonavir. In particular, the present invention is directed to a method of treating unconjugated hyperbilirubinemia by UGT1A1 induction comprising the step of administering to a subject an effective amount of ritonavir.

Abstract: Compounds effective in inhibiting replication of Hepatitis C virus (“HCV”) or other viruses are disclosed. This invention is also directed to compositions comprising such compounds, co-formulation or co-administration of such compounds with other anti-viral or therapeutic agents, processes and intermediates for the syntheses of such compounds, and methods of using such compounds for the treatment of HCV or other viral infections.

Abstract: A compound of the formula is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.