Abstract: The present invention relates to 2?-Cyano Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R1, R2 and R3 are as defined herein. The present invention also relates to compositions comprising at least one 2?-Cyano Substituted Nucleoside Derivative, and methods of using the 2?-Cyano Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.

Abstract: This disclosure relates to prodrugs of uridine diphosphate (UDP) derivatives, compositions comprising therapeutically effective amounts of those prodrugs of the UDP derivatives and methods of using those prodrugs or compositions in treating disorders that are responsive to ligands, such as agonists, of P2Y6 receptor, e.g., neuronal disorders, including neurodegenerative disorders (e.g., Alzheimer's disease, Parkinson's disease) and traumatic CNS injury, pain, Down Syndrome (DS), glaucoma, and inflammatory conditions.

Abstract: The present invention relates to the use of a taste masking agent selected from the group of starch; cellulose; xanthan gum; gellan gum; alginate; galactomannans such as fenugreek, guar gum, tara gum, locust bean gum, and cassia gum; gum karaya; gum tragacanth; carrageenan; and mixture thereof, for improving one or more of mouth feel, taste, aftertaste and smell of a liquid aqueous nutritional composition comprising a nucleoside and/or a nucleotide. It also relates to a nutritional composition comprising an unsavoury nucleoside and/or nucleotide component, having improved sensory characteristics such as improved mouth feel, taste, aftertaste and smell. In particular, it relates to a composition comprising said unsavoury nucleoside and/or nucleotide component, in particular comprising an uridine-containing nucleoside and/or a nucleotide in combination with an unsavoury edible oil, such as a fish oil.

Abstract: The invention provides new biotinylated compounds and methods for their use.

Abstract: The present application relates to solid state forms, for example, crystalline forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate, pharmaceutical compositions that can include one or more solid forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate, and methods of treating or ameliorating diseases and/or conditions with one or more solid forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate. Also disclosed herein are methods of treating diseases and/or conditions with one or more solid forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate in combination with one or more other agents.

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: 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, provided herein is an isolated compound according to Formula Ia: or a pharmaceutically acceptable salt or solvate thereof.

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, provided herein is an isolated compound according to Formula Ib: or a pharmaceutically acceptable salt or solvate thereof.

Abstract: The present invention relates to 2?-Methyl Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R, R1, R2 and R3, are as defined herein. The present invention also relates to compositions comprising at least one 2?-Methyl Substituted Nucleoside Derivative, and methods of using the 2?-Methyl Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.

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: Disclosed are polycyclic polyether compounds of formula I and pharmaceutical compositions comprising such compounds. wherein R, OR1, and R2 are as defined herein. Also disclosed are methods of regulating mucus clearance in a cell, and methods of treating decreased mucus clearance or mucociliary dysfunction.

Abstract: The present invention features interferon- and ribavirin-free therapies for the treatment of HCV. Preferably, the treatment is over a shorter duration of treatment, such as no more than 12 weeks. In one aspect, the therapies comprise administering at least two direct acting antiviral agents without interferon and ribavirin to a subject with HCV infection. For example, the therapies comprise administering to a subject an effective amounts of therapeutic agent 1, therapeutic agent 2 (or therapeutic agent 3), and an inhibitor of cytochrome P450 (e.g., ritonavir).

Abstract: The present invention features interferon-free therapies for the treatment of HCV. Preferably, the treatment is over a shorter duration, such as no more than 12 weeks. In one aspect, the therapies comprise administering at least two direct acting antiviral agents and ribavirin to a subject with HCV infection. For example, the therapies comprise administering to the subject effective amounts of therapeutic agent 1, therapeutic agent 2 (or therapeutic agent 3), an inhibitor of cytochrome P450 (e.g., ritonavir), and ribavirin.

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?-chloro nucleosides according to Formula 2001: or a pharmaceutically acceptable salt, solvate, stereoisomeric form, tautomeric form or polymorphic form thereof, wherein B, Z and PD are as described herein.

Abstract: The present invention features interferon- and ribavirin-free therapies for the treatment of HCV. Preferably, the treatment is over a shorter duration of treatment, such as no more than 12 weeks. In one aspect, the therapies comprise administering at least two direct acting antiviral agents without interferon and ribavirin to a subject with HCV infection. For example, the therapies comprise administering to a subject an effective amounts of therapeutic agent 1, therapeutic agent 2 (or therapeutic agent 3), and an inhibitor of cytochrome P450 (e.g., ritonavir).

Abstract: The invention relates to a composition comprising: i) one or more of uridine and cytidine, or salts, phosphates, acyl derivatives or esters thereof; ii) a lipid fraction comprising at least one of docosahexaenoic acid (22:6; DHA), eicosapentaenoic acid (20:5; EPA) and docosapentaenoic acid (22:5; DPA), or esters thereof, in which the lipid fraction comprises less than 2 weight % of ?-linolenic acid (ALA), calculated on the weight of all fatty acids; iii) choline, or salts or esters thereof; for use in the prevention or treatment of neurotrauma, traumatic brain injury, cerebral palsy and spinal cord injury.

Abstract: The present invention provides a compound of formula I: or a pharmaceutically acceptable salt thereof, wherein R1 is defined herein, which is a 2?-branched nucleoside useful for the treatment or prevention of viral infections, particularly dengue virus, yellow fever virus, West Nile virus, Japanese encephalitis virus, tick-borne encephalitis virus, Kunjin virus, Murray Valley encephalitis, St Louis encephalitis, Omsk hemorrhagic fever virus, bovine viral diarrhea virus, Zika virus and Hepatitis C virus.

Abstract: The invention provides compounds of the formula: which are of use in the treatment or prophylaxis of hepatitis C virus infection, and related aspects.

Abstract: Novel cyclic phosphoramidate prodrugs of drugs of formula I their use in delivery of drugs to the liver, their use in enhancing oral bioavailability, and their method of preparation are described.

Abstract: The present invention features interferon- and ribavirin-free therapies for the treatment of HCV. Preferably, the treatment is over a shorter duration of treatment, such as no more than 12 weeks. In one aspect, the therapies comprise administering at least two direct acting antiviral agents without interferon and ribavirin to a subject with HCV infection. For example, the therapies comprise administering to a subject an effective amounts of therapeutic agent 1, therapeutic agent 2 (or therapeutic agent 3), and an inhibitor of cytochrome P450 (e.g., ritonavir).

Abstract: The invention provides methods, compositions, and kits featuring a ribonucleoside chain terminator for use in preventing or inhibiting a retrovirus infection.

Abstract: Phosphoramidate derivatives of 5-fluoro-2?-deoxyuridine are disclosed for use in the treatment of cancer, especially in the treatment of cancer where the patient shows resistance, for example, in a patient with cells with a lowered level of nucleoside transporter proteins and/or with nucleoside kinase-deficient cells and/or with mycoplasma-infected cells and/or with cells with a raised level of thymidylate synthase.

Abstract: Provided are methods of treating subclinical sun damage and of inducing a chemocytotoxic response in skin. Methods of treating subclinical sun damage include the steps of: topically administering to skin of a patient a composition comprising a chemocytotoxic agent in an amount effective to induce erythema, scaling, crusting, or combinations thereof and resolve at least a portion of the subclinical sun damage, where the skin has a condition of no clinical sign of sun damage and the patient was not previously treated for actinic keratosis or nonmelanoma skin cancer. The chemocytotoxic agent can comprise a fluorinated pyrimidine antimetabolite such as 5-fluorouracil (FU), 5-fluorouridine (FUR), 5-fluorouridine-5?-monophosphate (FUMP), 5-fluorodeoxyuridine (FUdR), 5-fluorodeoxyuridine-5?-monophosphate (FdUMP), or combinations 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: This application discloses novel phosphoramidate and phosphonoamidate prodrugs of nucleosides, nucleotides, C-nucleosides, C-nucleotides, phosphonates, and other alcohol-containing drugs; use of these prodrugs for treatment of infectious diseases and cancers, in particular, liver infections and cancers; and methods of preparing these novel phosphoramidate and phosphonoamidate prodrugs.

Abstract: Disclosed herein are nucleoside phosphoramidates and their use as agents for treating viral diseases. These compounds are inhibitors of RNA-dependent 5 RNA viral replication and are useful as inhibitors of HCV NS5B polymerase, as inhibitors of HCV replication and for treatment of hepatitis C infection in mammals.

Abstract: Disclosed are methods of preventing or treating neuronal damage associated with oxidative stress and/or neuronal injury. The method comprises administering to a patient a pharmaceutical composition comprising a purinergic P2Y receptor ligand, in an amount effective to increase the extracellular concentration of said agonist in the brain of the subject such that at least a portion of cell surface P2Y receptors expressed by astrocytes are activated to mount a neuroprotective response. The pharmaceutical composition may be administered orally or parenterally. The pharmaceutical composition with typically be administered to an individual within at least one hour of the event that caused oxidative stress in the subject.

Abstract: Compositions and methods of treatment or prophylaxis of fragile-X associated disorders are provided, as well as methods of screening compounds and kits to screen a library of compounds.

Abstract: Disclosed herein are nucleoside phosphoramidates and their use as agents for treating viral diseases. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful as inhibitors of HCV NS5B polymerase, as inhibitors of HCV replication and for treatment of hepatitis C infection in mammals.

Abstract: The present invention is directed to pharmaceutical compositions and methods of treatment that relate to the inhibition, resolution and/or prevention of an array of the manifestations of metabolic syndromes, including Type 2 diabetes, hyperlipidemia, weight gain, obesity, insulin resistance, hypertension, atherosclerosis, fatty liver diseases and certain chronic inflammatory states that lead to these manifestations, among others. In additional aspects, the present invention relates to compositions and methods which may be used to treat, inhibit or reduce the likelihood of hepatitis viral infections, including Hepatitis B and Hepatitis C viral infections, as well as the secondary disease states and/or conditions which are often associated with such viral infections, including hepatic steatosis (steatohepatitis), cirrhosis, fatty liver and hepatocellular cancer, among other disease states or conditions.

Abstract: The present invention relates to methods for determining whether blood flow is restricted in a blood vessel of an individual suspected of compromised blood flow in the vessel, the method comprising the steps of delivering UTP, a derivative thereof, or a salt thereof to the vessel, assessing blood flow quantitatively in the vessel by obtaining a value that correlates to blood flow in said vessel, comparing the obtained value with a reference value, and determining whether the individual has compromised blood flow based on the results of the comparison. The invention also provides for methods of diagnosing atherosclerotic and ischemic heart diseases using UTP, a derivative thereof, or a salt thereof, as well as methods for inducing maximal hyperemia for diagnostic purposes.

Abstract: Composition comprising at least two components, more preferably at least three components, more preferably at least four components, selected from the group of (i) a nucleoside equivalent, (ii) an ?-3 polyunsaturated fatty acid selected from the group of DHA, DPA and EPA, (iii) a vitamin B, (iv) a phospholipid, (v) an antioxidant and (vi) a choline, with the proviso that at least component (i) or (iii) is present, for use in the prevention or treatment of frailty in a mammal, wherein frailty is determined by compliance with at least 2 criterions, preferably 3 criterions, selected from the group of muscle weakness, excessive feelings of exhaustion or fatigue, abnormally low physical activity, slow or unsteady gait, weight loss, and neurological dysfunction.

Abstract: Non-medical use of at least two components selected from the group of: (i) nucleoside equivalents, (ii) n-3 polyunsaturated fatty acids selected from the group of DHA, DPA and EPA, (iii) vitamins B, (iv) phospholipids, (v) antioxidants and (vi) cholines—with the proviso that at least one (i) nucleoside or at least one (iii) vitamin B is present—for increasing or maintaining the body weight, for improving the ability to perform an activity of daily living of a mammal, for maintaining the ability to perform an activity of daily living of a mammal, or for reducing a deterioration in the ability to perform an activity of daily living of a mammal.

Abstract: The present invention relates to the use of a taste masking agent selected from the group of cellulose; starch; xanthan gum; gellan gum; alginate; galactomannans such as fenugreek, guar gum, tara gum, locust bean gum, and cassia gum; gum karaya; gum tragacanth; carrageenan; and mixture thereof, for improving one or more of mouth feel, taste, aftertaste and smell of a liquid aqueous nutritional composition comprising a nucleotide and/or a nucleoside. It also relates to a nutritional composition comprising an unsavory nucleotide and/or a nucleoside component, having improved sensory characteristics such as improved mouth feel, taste, aftertaste and smell. In particular, it relates to a composition comprising said un-savory nucleotide and/or a nucleoside component, in particular comprising an uridine-containing nucleotide and/or a nucleoside in combination with an unsavory edible oil, such as a fish oil.

Abstract: The invention provides particular uridine di- and tri-phosphate derivatives, and pharmaceutical compositions thereof. These compounds are useful for treatment of diseases, disorders and conditions modulated by P2Y6 receptors, and particularly for lowering intraocular pressure and thereby treating ocular hypertension and/or glaucoma.

Abstract: This disclosure relates to uridine diphosphate (UDP) derivatives, compositions comprising therapeutically effective amounts of those UDP derivatives and methods of using those derivatives or compositions in treating disorders that are responsive to ligands, such as agonists, of P2Y6 receptor, e.g., neuronal disorders, including neurodegenerative disorders (e.g., Alzheimer's disease) and traumatic CNS injury, as well as pain.

Abstract: The object of the invention are nucleotide analogues, antiviral pro-nucleotides, a use of nucleotide analogues and pharmaceutical composition, a phosphorylating agent for synthesis of nucleotide analogue, and a method of synthesis of nucleotide analogue. More precisely, the invention applies to the new group of nucleotide analogues and their use in partial or complete inhibition of human immunodeficiency virus (HIV).

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: A method and composition for treating a host infected with flavivirus or pestivirus comprising administering an effective flavivirus or pestivirus treatment amount of a described 1?, 2? or 3?-modified nucleoside or a pharmaceutically acceptable salt or prodrug thereof, is provided.

Abstract: The invention is related to phosphorus substituted compounds with antiviral activity, 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 invention provides nucleoside phosphoramidate compounds of Formula I, where R1, R2a, R2b, R3, R4, R5a, R5b, R6, R7, R8a, R8b, M and W are as defined herein. The invention further includes pharmaceutical compositions comprising a compound of Formula I, methods of use of these compounds for treating a viral infection, and methods of producing these compounds.

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 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: A method and composition for treating a host infected with flavivirus or pestivirus comprising administering an effective flavivirus or pestivirus treatment amount of a described 1?, 2? or 3?-modified nucleoside or a pharmaceutically acceptable salt or prodrug thereof, is provided.

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: Disclosed herein are nucleoside phosphoramidates and their use as agents for treating viral diseases. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful as inhibitors of HCV NS5B polymerase, as inhibitors of HCV replication and for treatment of hepatitis C infection in mammals.

Abstract: The present application relates to solid state forms, for example, crystalline forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate, pharmaceutical compositions that can include one or more solid forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate, and methods of treating or ameliorating diseases and/or conditions with one or more solid forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate. Also disclosed herein are methods of treating diseases and/or conditions with one or more solid forms of 2?-C-methyluridine-5?-(O-phenyl-N—(S)-1-(isopropoxycarbonyl)ethyl)thiophosphoramidate in combination with one or more other agents.

Abstract: A purified compound having activity against hepatitis C virus is disclosed.

Abstract: Disclosed herein are pharmaceutical compositions that can include a thionucleotide analog for use in combination therapy with other agents. Also disclosed herein are methods of treating diseases and/or conditions with a pharmaceutical composition that can include a thionucleotide analog in combination therapy with other agents.

Abstract: This disclosure relates to uridine diphosphate (UDP) derivatives, compositions comprising therapeutically effective amounts of those UDP derivatives and methods of using those derivatives or compositions in treating disorders that are responsive to ligands, such as agonists, of P2Y6 receptor, e.g., neuronal disorders, including neurodegenerative disorders (e.g., Alzheimer's disease) and traumatic CNS injury, as well as pain.