1226 results about "Viral disease" patented technology

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.

This invention comprises administering to a human or animal in need of treatment an effective amount of an antioxidant lipoic acid derivative and / or pharmaceutically acceptable salts and solvates thereof for the treatment or prevention of pathological (inflammatory, proliferative and degenerative diseases, e.g. diabetes mellitus, atherosclerosis, Alzheimer's disease and chronic viral diseases) and non-pathological (e.g. skin aging and wrinkle formation) conditions caused by oxidative damage. Methods of synthesizing novel antioxidant lipoic acid derivatives and their use in preventing or treating diseases or conditions caused by oxidative stress and other free radical mediated conditions are described. Another aspect of this invention is the use of these antioxidant compositions for the protection of skin from damage caused by ultraviolet radiation and dessication, and to provide improved skin feel by desquamating, cleansing and clarifying the skin. The compositions described in this invention increase cellular viability of epidermal cells, promote cytoprotection, and decrease the production of inflammatory mediators such as inflammatory cytokines in these cells. The antioxidant compositions are incorporated into sunscreen products, soap, moisturizing lotions, skin toners, and other skin care products.

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.

This invention comprises administering to a human or animal in need of treatment an effective amount of an antioxidant lipoic acid derivative and / or pharmaceutically acceptable salts and solvates thereof for the treatment or prevention of pathological (inflammatory, proliferative and degenerative diseases, e.g. diabetes mellitus, atherosclerosis, Alzheimer's disease and chronic viral diseases) and non-pathological (e.g. skin aging and wrinkle formation) conditions caused by oxidative damage. Methods of synthesizing novel antioxidant lipoic acid derivatives and their use in preventing or treating diseases or conditions caused by oxidative stress and other free radical mediated conditions are described. Another aspect of this invention is the use of these antioxidant compositions for the protection of skin from damage caused by ultraviolet radiation and dessication, and to provide improved skin feel by desquamating, cleansing and clarifying the skin. The compositions described in this invention increase cellular viability of epidermal cells, promote cytoprotection, and decrease the production of inflammatory mediators such as inflammatory cytokines in these cells. The antioxidant compositions are incorporated into sunscreen products, soap, moisturizing lotions, skin toners, and other skin care products.

Compounds of formula (I) or their salts or esters:have excellent sialidase inhibitory activity and are therefore useful for the treatment and prevention of influenza and other viral diseases where the replication of the virus is susceptible to sialidase inhibitors.

Compositions and methods for reducing susceptibility to infectious disease in bees using RNA interference technology, and more particularly, prevention and treatment of viral infections in honeybees such as Israel acute paralysis virus (IAPV) by feeding of pathogen-specific dsRNA. Further, multiple-pathogen specific dsRNA is disclosed.

This invention relates to substituted pyrido(3,2-d)pyrimidine derivatives, their pharmaceutically acceptable salts, N-oxides, solvates, pro-drugs and enantiomers, possessing unexpectedly desirable pharmaceutical properties, in particular which are highly active immunosuppressive agents, and as such are useful in the treatment in transplant rejection and / or in the treatment of certain inflammatory diseases. These derivatives are also useful in preventing or treating cardiovascular disorders, disorders of the central nervous system, TNF-α related disorders, viral diseases (including hepatitis C), erectile dysfunction and cell proliferative disorders.

A soluble human single-chain T cell receptor (TCR) having the structure: Vα2-L-Vβ or Vβ-L-Vα2, wherein L is a linker peptide that links Vβ with Vα, Vβ is a TCR variable β region, and Vα2 is a TCR variable α region of the family 2 is provided. The provided scTCR is useful for many purposes, including the treatment of cancer, viral diseases and autoimmune diseases.

This invention relates to substituted pyrido(3,2-d)pyrimidine derivatives, their pharmaceutically acceptable salts, N-oxides, solvates, pro-drugs and enantiomers, possessing unexpectedly desirable pharmaceutical properties, in particular which are highly active immunosuppressive agents, and as such are useful in the treatment in transplant rejection and / or in the treatment of certain inflammatory diseases. These derivatives are also useful in preventing or treating cardiovascular disorders, disorders of the central nervous system, TNF-α related disorders, viral diseases (including hepatitis C), erectile dysfunction and cell proliferative disorders.

The present invention relates to a first group of novel viral and human associated oligonucleotides, here identified as Genomic Address Messenger or GAM oligonucleotide, and a second group of novel operon-like viral and human polynucleotides, here identified as Genomic Record or GR polynucleotide. GAM oligonucleotides selectively inhibit translation of known ‘target’ genes, many of which are known to be involved in various viral diseases. Nucleic acid molecules are provided respectively encoding 15484 GAM precursors oligonucleotides, and 699 GR polynucleotides, as are vectors and probes both comprising the nucleic acid molecules, and methods and systems for detecting GAM oligonucleotides and GR polynucleotides and specific functions and utilities thereof, for detecting expression of GAM oligonucleotides and GR polynucleotides, and for selectively enhancing and selectively inhibiting translation of the respective target genes thereof.

The present invention provides new compositions and methods for preventing and treating pathogen infection. In particular, the present invention provides compounds having an anchoring domain that anchors the compound to the surface of a target cell, and a therapeutic domain that can act extracellularly to prevent infection of the target cell by a pathogen, such as a virus. Preferred target cells are epithelial cells. The invention provides compositions and methods for preventing viral diseases, such as influenza, using compounds having anchoring domains that can bind target cells linked to enzymatic activities that can act extracellularly to interfere with viral infection of target cells. The invention also provides compositions and methods for preventing viral diseases such as influenza using compounds having anchoring domains that can bind target cells linked to protease inhibitors that can act extracellularly to interfere with viral infection of target cells.

The present invention relates to a group of novel viral RNA regulatory genes, here identified as “viral genomic address messenger genes” or “VGAM genes”, and as “genomic record” or “GR” genes. VGAM genes selectively inhibit translation of known host target genes, and are believed to represent a novel pervasive viral attack mechanism. GR genes encode an operon-like cluster of VGAM genes. VGAM and viral GR genes may therefore be useful in diagnosing, preventing and treating viral disease. Several nucleic acid molecules are provided respectively encoding several VGAM genes, as are vectors and probes, both comprising the nucleic acid molecules, and methods and systems for detecting VGAM genes, and for counteracting their activity.

The present invention relates to novel Fused Tricyclic Silyl Compounds of Formula (I):and pharmaceutically acceptable salts thereof, wherein A, B, C, D, M1, X1 and X2 are as defined herein. The present invention also relates to compositions comprising at least one Fused Tricyclic Silyl Compound, and methods of using the Fused Tricyclic Silyl Compounds for treating or preventing HCV infection in a patient.

The present invention relates to 2′-Azido 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′-Azido Substituted Nucleoside Derivative, and methods of using the 2′-Azido Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.

The present invention is related to the fields of vaccinology, immunology and medicine. The invention provides compositions and methods for enhancing immunological responses against antigens coupled or fused to virus-like particles (VLPs) packaged with immunostimulatory nucleic acids, preferably oligonucleotides containing at least one non-methylated CpG sequence and a toll-like receptor (TLR) ligand. The invention can be used to induce strong antibody and T cell responses particularly useful for the treatment of allergies, tumors and chronic viral diseases as well as other chronic diseases.

Chimeric flaviviruses that are avirulent and immunogenic are provided. The chimeric viruses are constructed to contain amino acid mutations in the nonstructural proteins of a flavivirus. Chimeric viruses containing the attenuation-mutated nonstructural genes of the virus are used as a backbone into which the structural protein genes of a second flavivirus strain are inserted. These chimeric viruses elicit pronounced immunogenicity yet lack the accompanying clinical symptoms of viral disease. The attenuated chimeric viruses are effective as immunogens or vaccines and may be combined in a pharmaceutical composition to confer simultaneous immunity against several strains of pathogenic flaviviruses.

The present invention relates to methods and compositions for the prevention and treatment and prevention of immune system disorders, including cancer, AIDS, asthmatic disorders, autoimmune diseases, organ transplant rejection and chronic viral diseases such as HCV or HBV infections. The therapeutic methods of the invention comprise administering molecules that modulate the activity of 8F4, thereby modulating costimulation of T cells. The present invention further provides monoclonal antibodies against the 8F4 molecule and hybridoma cells which produce said monoclonal antibodies. Pharmaceutical compositions comprising molecules that modulate the activity of 8F4 are also provided.

Antiviral compositions comprising a modified nuclease, or a plurality of such modified nucleases having at least one non-natural amino acid residue substituted for a naturally occurring amino acid in a parent nuclease are provided, as are methods of use and kits providing unit dosages of such compositions.

This invention relates to a group of substituted pteridine derivatives, their pharmaceutically acceptable salts, N-oxides, solvates, dihydro- and tetrahydro-derivatives, and enantiomers, possessing unexpectedly desirable pharmaceutical properties, in particular which are highly active immunosuppressive agents, and as such are useful in the treatment in transplant rejection and / or in the treatment of certain inflammatory diseases. These derivatives are also useful in preventing or treating cardiovascular disorders, allergic conditions, disorders of the central nervous system, TNF-α related disorders, viral diseases, inflammatory bowel diseases and cell proliferative disorders.

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

A system, apparatus and methods are provided for extra-corporeal blood treatment, and in particular for establishing and maintaining a neck down differential body temperature, while maintaining near normal brain temperatures, to protect the brain from extended or extreme hypothermia or hyperthermia. A blood treatment apparatus and system is provided for differential control of brain temperature and body temperature below the neck. For example, a first bypass circuit with heat exchanger for brain blood circulation maintains a near normal blood temperature, while a second bypass circuit for below the neck blood circulation provides for thermal treatment to induce a temperature differential, e.g. hyperthermia or hypothermia, relative to brain circulation. Such systems and apparatus have application, for example, for diagnostic and therapeutic treatments using hyperthermia, particularly for treatments of extended duration or at elevated temperatures above 42° C., for example, hyperthermia for treatment of cancer, infectious bacterial or viral diseases.

The present invention provides a new class of peptides related to rapid replication and high human mortality, and their use in diagnosing, preventing and treating disease including vaccines and therapeutics for emerging viral diseases and methods of identifying the new class of peptides and related structures.

Methods, compositions and devices are provided by the present invention for reducing activity of a natriuretic peptide receptor and other signals. Therapeutic treatments are provided by use of polynucleotides encoding a natriuretic peptide or by regulating the expression of natriuretic peptide receptor, such as NPRA and NPRC, or combinations of these therapies. Routes used for delivering polynucleotides encoding a natriuretic peptide, or, for example, siRNA that down regulates natriuretic peptide receptor include subcutaneous injection, oral gavage, transdermal and intranasal delivery routes. Compositions can include chitosan, chitosan derivatives, and chitosan derivative and a lipid. Transdermal delivery can use a transdermal cream. Intranasal delivery can use a dropper or an aspirator for delivery of a mist. Oral gavage delivers equivalent to oral delivery. Delivery permits cell and tissue specific targeting of gene therapies resulting in expression of a natriuretic peptide or down regulation of natriuretic peptide receptor. A variety of cancers, asthma and viral diseases can be treated therapeutically using the methods and compositions of the present invention.

Methods are described for the delivery of one or more small interfering RNAs (siRNAs) to a eukaryotic cell using a bacterium or BTP. Methods are also described for using this bacterium to regulate gene expression in eukaryotic cells using RNA interference, and methods for treating viral diseases and disorders. The bacterium or BTP includes one or more siRNAs or one or more DNA molecules encoding one or more siRNAs. Vectors are also described for use with the bacteria of the invention for causing RNA interference in eukaryotic cells.

A method for using thiazine dyes, especially methylene blue or methylene blue derivatives, in an immediate or controlled release formulation, alone or in combination with low levels of light or other drugs, to selectively inactivate or inhibit hepatitis infection, has been developed. Clinical trial results demonstrate efficacy in a human clinical trial for treatment of hepatitis C by oral administration of methylene blue immediate release formulation, in a dosage of 65 mg twice daily, over a period of at least 100 days. A method for using thiazine dyes, especially methylene blue or methylene blue derivatives, in an immediate or controlled release formulation, along or in combination with low levels of light or other drugs, to prevent or decrease reactivation of viruses, is also described. The preferred class of patient is infected with, or has been exposed to, viruses such as Herpes simplex virus type 1 & 2, Varicella zoster virus, Epstein-Barr virus, Cytomegalovirus, and Herpes virus type 6 & 7, Adenovirus, and Human polyoma viruses, e.g. JC virus and BK virus. In one embodiment the thiazine dye is administered to a patient experiencing symptoms or disease caused by reactivation of a virus. In a preferred embodiment the thiazine dye is administered to a patient at risk for or experiencing symptoms or disease caused by reactivation of a virus, prior to or during immunosuppression or chemotherapy.

Synergic compositions containing an Aloe vera isolate and optionally, a prebiotic, Fucose, and / or other treatment regimens, as well as methods for their preparation and use in treating disease conditions such as neurological syndromes, chronic pain illnesses, inflammatory bowel diseases, and viral diseases are disclosed.

The subject invention concerns a method of inhibiting an RNA virus infection within a patient by increasing the amount of 2-5 oligoadenylate synthetase (2-5 AS) activity within the patient. Preferably, the preventative and therapeutic methods of the present invention involve administering a nucleotide encoding 2-5 AS, or at least one catalytically active fragment thereof, such as the p40, p69, p100 subunits, to a patient in need thereof. The present inventors have determined that overexpression of 2-5AS causes a reduction in epithelial cell damage, reduction in infiltration of mononuclear cells in the peribronchiolar and perivascular regions, and reduction in thickening of the septa in the lungs. Levels of chemokines, such as MIP1-alpha, are also reduced upon overexpression of 2-5AS. The subject invention also pertains to pharmaceutical compositions containing a nucleotide sequence encoding 2-5 AS and a pharmaceutically acceptable carrier, as well as vectors for delivery of the 2-5 AS nucleotide sequence.

The present invention relates to 2′-Azido 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′-Azido Substituted Nucleoside Derivative, and methods of using the 2′-Azido Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.