Abstract: Crystalline solid forms of methyl {(2S)-1-[(2S,5S)-2-(9-{2-[(2S,4S)-1-{(2R)-2-[(methoxycarbonyl)amino]-2-phenylacetyl}-4-(methoxymethyl)pyrrolidin-2-yl]-1H-imidazol-5-yl}-1,11-dihydroisochromeno[4?,3?:6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl}carbamate (Compound I) were prepared and characterized in the solid state: Also provided are processes of manufacture and methods of using these crystalline forms.

Abstract: The present disclosure provides processes for the preparation of a compound of formula: which is useful as an antiviral agent. The disclosure also provides compounds that are synthetic intermediates.

Abstract: Disclosed are pharmaceutical compositions comprising Compound I, having the formula: and an effective amount of sofosbuvir wherein the sofosbuvir is substantially crystalline. Also disclosed are methods of use for the pharmaceutical composition.

Abstract: Disclosed are pharmaceutical compositions comprising three antiviral compounds. In particular, the pharmaceutical compositions comprise an effective amount of velpatasvir, an effective amount of sofosbuvir, and an effective amount of voxilaprevir. Also disclosed are methods of use for the pharmaceutical composition.

Abstract: The disclosure is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: Disclosed are pharmaceutical compositions comprising three antiviral compounds. In particular, the pharmaceutical compositions comprise an effective amount of velpatasvir, an effective amount of sofosbuvir, and an effective amount of voxilaprevir. Also disclosed are methods of use for the pharmaceutical composition.

Abstract: The disclosure is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: Compounds of Formula I are disclosed As well as pharmaceutically acceptable salts thereof. Methods of using said compounds and pharmaceutical compositions containing said compounds are also disclosed.

Abstract: Crystalline solid forms of methyl {(2S)-1-[(2S,5S)-2-(9-{2-[(2S,4S)-1-{(2R)-2-[(methoxycarbonyl)amino]-2-phenylacetyl}-4-(methoxymethyl)pyrrolidin-2-yl]-1H-imidazol-5-yl}-1,11-dihydroisochromeno[4?,3?:6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl}carbamate (Compound I) were prepared and characterized in the solid state: Also provided are processes of manufacture and methods of using these crystalline forms.

Abstract: The present invention provides (i) processes for preparing a 2?-deoxy-2?-fluoro-2?-methyl-D-ribonolactone derivatives, (ii) conversion of intermediate lactones to nucleosides with potent anti-HCV activity, and their analogues, and (iii) methods to prepare the anti-HCV nucleosides containing the 2?-deoxy-2?-fluoro-2?-C-methyl-ß-D-ribofuranosyl nucleosides from a preformed, preferably naturally-occurring, nucleoside.

Abstract: This invention relates to combinations of therapeutic molecules useful for treating hepatitis C virus infection. The present invention relates to methods, uses, dosing regimens, and compositions.

Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: Compounds of Formula I are disclosed As well as pharmaceutically acceptable salts thereof. Methods of using said compounds and pharmaceutical compositions containing said compounds are also disclosed.

Abstract: The disclosed invention provides compositions and methods of treating a Flaviviridae infection, including hepatitis C virus, West Nile Virus, yellow fever virus, and a rhinovirus infection in a host, including animals, and especially humans, using a (2?R)-2?-deoxy-2?-fluoro-2?-C-methyl nucleosides, or a pharmaceutically acceptable salt or prodrug thereof.

Abstract: Disclosed herein are phosphoramidate prodrugs of nucleoside derivatives for the treatment of viral infections in mammals, which is a compound, its stereoisomer, salt (acid or basic addition salt), hydrate, solvate, or crystalline form thereof, represented by the following structure: Also disclosed are methods of treatment, uses, and processes for preparing each of which utilize the compound represented by formula I.

Abstract: The disclosed invention is a composition for and a method of seating a Flaviviridae (including BVDV and HCV), Orthomyxoviridae (including Influenza A and B) or Paramyxoviridae (including RSV) infection, or conditions related to abnormal cellular proliferation, in a host, including animals, and especially humans, using a nucleoside of general formula (I)-(XXIII) or its pharmaceutically acceptable salt or prodrug. This invention also provides an effective process to quantify the viral load, and in particular BVDV, HCV or West Nile Virus load, in a host, using real-time polymerase chain reaction (“RT-PCR”). Additionally, the invention discloses probe molecules that can fluoresce proportionally to the amount of virus present in a sample.

Abstract: Disclosed are pharmaceutical compositions comprising Compound I, having the formula: and an effective amount of sofosbuvir wherein the sofosbuvir is substantially crystalline. Also disclosed are methods of use for the pharmaceutical composition.

Abstract: Disclosed are pharmaceutical compositions having an effective amount of substantially amorphous ledipasvir and an effective amount of substantially crystalline sofosbuvir.

Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The present disclosure provides processes for the preparation of a compound of formula: which is useful as an antiviral agent. The disclosure also provides compounds that are synthetic intermediates.