141 results about "Hepatitis G Infection" patented technology

The invention provides methods for identifying and treating subjects having hepatitis C infections. In some instances, the subjects are those that are non-responsive to non-CpG therapy. Preferably, the subjects are treated with C class CpG immunostimulatory nucleic acids having a semi-soft backbone.

Provided are compounds of Formula I:and pharmaceutically acceptable salts and esters thereof. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections.

Provided are pyrrolo[1,2-f][1,2,4]triazinyl, imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 1′ position of the nucleoside sugar is substituted. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections.

A class of 2′-fluoro-nucleoside compounds are disclosed which are useful in the treatment of hepatitis B infection, hepatitis C infection, HIV and abnormal cellular proliferation, including tumors and cancer. The compounds have the general formulae:whereinBase is a purine or pyrimidine base;R1 is OH, H, OR3, N3, CN, halogen, including F, or CF3, lower alkyl, amino, loweralkylamino, di(lower)alkylamino, or alkoxy, and base refers to a purine or pyrimidine base;R2 is H, phosphate, including monophosphate, diphosphate, triphosphate, or a stabilized phosphate prodrug; acyl, or other pharmaceutically acceptable leaving group which when administered in vivo, is capable of providing a compound wherein R2 is H or phosphate; sulfonate ester including alkyl or arylalkyl sulfonyl including methanesulfonyl, benzyl, wherein the phenyl group is optionally substituted with one or more substituents as described in the definition of aryl given above, a lipid, an amino acid, peptide, or cholesterol; andR3 is acyl, alkyl, phosphate, or other pharmaceutically acceptable leaving group which when administered in vivo, is capable of being cleaved to the parent compound, or a pharmaceutically acceptable salt thereof.

Provided are pyrrolo[1,2-f][1,2,4]triazinyl, imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 2′ position of the nucleoside sugar is substituted with halogen and carbon substitutents. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections caused by both wild type and mutant strains of HCV.

Provided are methods and intermediates for preparing diastereomerically pure phosphoramidate prodrugs of nucleosides of Formulas Ia and Ib:The compounds of Formula Ia and Ib are useful for the treatment Hepatitis C infections.

Provided are prodrugs of pyrrolo[1,2-f][1,2,4]triazin-7-yl nucleoside phosphates wherein the 1′ position of the nucleoside sugar is substituted with CN. The compounds, compositions, and methods provided are useful for the treatment Hepatitis C infections.

Provided are select imidazo[1,2-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 2′ position of the nucleoside sugar is substituted with halogen and carbon substituents. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections caused by both wild type and mutant strains of HCV.

The present invention provides nucleoside aryl phosphoramidates of structural formula (I) which are precursors to inhibitors of RNA-dependent RNA viral polymerase. These compounds are precursors to inhibitors of RNA-dependent RNA viral replication and are useful for the treatment of RNA-dependent RNA viral infection. They are particularly useful as precursors to inhibitors of hepatitis C virus (HCV) NS5B polymerase, as precursors to inhibitors of HCV replication, and / or for the treatment of hepatitis C infection. The invention also describes pharmaceutical compositions containing such nucleoside aryl phosphoramidates alone or in combination with other agents active against RNA-dependent RNA viral infection, in particular HCV infection. Also disclosed are methods of inhibiting RNA-dependent RNA polymerase, inhibiting RNA-dependent RNA viral replication, and / or treating RNA-dependent RNA viral infection with the nucleoside aryl phosphoramidates of the present invention. (I)

The invention provides 4-amino-4-oxobutanoyl peptide compounds of Formula Iand the pharmaceutically salts and hydrates thereof.The variables R1-R9, R16, R18, R19, n, M, n, M, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. Certain 4-amino-4-oxobutanoyl peptide compounds disclosed herein are potent and / or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide compounds and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain 4-amino-4-oxobutanoyl peptide compound as the only active agent or may contain a combination of 4-amino-4-oxobutanoyl peptide containing peptides compound and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in mammals.

The present invention describes compounds of formulae I and II and methods for treating viral infection, such as Flaviviridae virus infection, including Hepatitis C infection (HCV).

The invention provides methods for identifying and treating subjects having hepatitis C infections. In some instances, the subjects are those that are non-responsive to non-CpG therapy. Preferably, the subjects are treated with C class CpG immunostimulatory nucleic acids having a semi-soft backbone.

The present invention provides thionucleoside compounds and certain derivatives thereof which are inhibitors of RNA-dependent RNA viral polymerase. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful for the treatment of RNA-dependent RNA viral infection. They are particularly useful as inhibitors of hepatitis C virus (HCV) NS5B polymerase, as inhibitors of HCV replication, and / or for the treatment of hepatitis C infection. The invention also describes pharmaceutical compositions containing such thionucleoside compounds alone or in combination with other agents active against RNA-dependent RNA viral infection, in particular HCV infection. Also disclosed are methods of inhibiting RNA-dependent RNA polymerase, inhibiting RNA-dependent RNA viral replication, and / or treating RNA-dependent RNA viral infection with the thionucleoside compounds of the present invention.

Provided are pyrrolo[1,2-f][1,2,4]triazinyl, imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 2′ position of the nucleoside sugar is substituted with halogen and carbon substitutents. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections caused by both wild type and mutant strains of HCV.