146 results about "Antiviral therapy" patented technology

The present invention relates to co-administering a Hepatitis C virus NS3 / 4A protease inhibitor and a cytochrome P450 monooxygenase inhibitor. The combination acts by interfering with the life cycle of the hepatitis C virus and is therefore useful as an antiviral therapy. As such, the combination may be used for treating or preventing Hepatitis C infections in patients. The invention also relates to compositions comprising the combination of inhibitors. The invention also relates to kits and pharmaceutical packs comprising a Hepatitis C virus NS3 / 4A protease inhibitor and a cytochrome P450 monooxygenase inhibitor. The invention also relates to processes for preparing these compositions, combinations, kits, and packs.

The instant invention provides stable and novel lineage I WNV reverse genetics systems, and methods for making the reverse genetics systems, specifically, a fully-infectious lineage I WNV cDNA or replicon system engineered with one or more nucleotide sequences each encoding a reporter gene to be used in high throughput cell-based screening assays for the identification of novel antiflaviviral chemotherapeutics and / or vaccines effective to treat and / or immunize against infections by WNV and other emerging flaviviruses, such as, for example, JEV, SLEV, AV, KV, JV, CV, YV, TBEV, DENV-1, DENV-2, DENV-3, DENV-4, YFV and MVEV. The present invention further provides methods of high throughput screening of antiflaviviral compounds or improved derivatives thereof using novel lineage I WNV reverse genetics systems and / or cell lines stably containing the reverse genetics systems. Also, the invention provides novel pharmaceutical compositions comprising an attenuated lineage I WNV that is less virulent but similarly immunogenic as the parent WNV and is capable of providing a protective immune response in a host.

Provided are 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. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections.

The present invention describes novel methods to generate MHC multimers and methods to improve existing and new MHC multimers. The invention also describes improved methods for the use of MHC multimers in analysis of T-cells in samples including diagnostic and prognostic methods. Furthermore the use of MHC multimers in therapy are described, e.g. anti-tumour and anti-virus therapy, including isolation of antigen specific T-cells capable of inactivation or elimination of undesirable targeT-cells or isolation of specific T-cells capable of regulation of other immune cells.

The invention relates generally to methods of treating cancer and other diseases by modulating body temperature. Heat may directed to the hypothalamus of a warm-blooded animal to cool the animal, utilizing the physiological mechanisms that regulate body temperature to effect a compensatory cooling response, thereby lowering body temperature (hypothermia), and rendering other methods of lowering body temperature more effective. Heat may be withdrawn from the hypothalamus of an animal, cooling the hypothalamus, inducing a compensatory increase in body temperature (hyperthermia), and rendering other methods of raising body temperature more effective. Body temperature may be directly modulated by heat-exchange catheter positioned within a blood vessel of a patient. The invention relates generally to methods of treating cancer by inducing hypothermia by directing heat to the hypothalamus, optionally maintaining cancerous tissue at or near to normal body temperature, and optionally applying another cancer treatment. This other cancer treatment may be radiation therapy, chemotherapy, a combination of radiation and chemotherapy, or some other cancer treatment. The invention relates generally to methods of treating diseases including cancer, viral infections, and other diseases, comprising inducing hyperthermia by cooling the hypothalamus, and optionally applying another treatment, for example radiation, chemotherapy, antiviral therapy, or a combination of therapies.

Novel antiviral combinations for the treatment or prevention of viral infections, in particular, HIV, are disclosed. This new antiviral therapy employs either DP-178 or DP-107, viral fusion inhibitors, in combination with at least one other antiviral therapeutic agent. The combinations of the invention are better than single therapies alone, and in certain cases are synergistic. The use of DP-178 or DP-107 is an ideal therapy to combine with another antiviral, given both the novel mechanism which this therapeutic blocks HIV transmission and the non-toxicity of the therapeutic.

The present invention relates to antiviral therapies and compositions for treating or preventing Hepatitis C infections in patients and relates to other methods disclosed herein. The invention also relates to kits and pharmaceutical packs comprising compositions and dosage forms. The invention also relates to processes for preparing these compositions, dosages, kits, and packs.

The present invention provides an attenuated virus, which is derived from Modified Vaccinia Ankara virus and characterized by the loss of its capability to reproductively replicate in human cell lines. It further describes recombinant viruses derived from this virus and the use of the virus, or its recombinants, as a medicament or vaccine. A method is provided for inducing an immune response in individuals who may be immune-compromised, receiving antiviral therapy, or have a pre-existing immunity to the vaccine virus. In addition, a method is provided for the administration of a therapeutically effective amount of the virus, or its recombinants, in a vaccinia virus prime / vaccinia virus boost innoculation regimen. The present invention relates to a method of virus amplification in primary cells which are cultivated in a serum free medium. Viruses produced by this method are advantageously free of any infectious agents comprised in animal sera.

The present application provides nitrogen-containing heterocycle derivatives that are antiviral compounds that may be useful in the treatment of a viral infection. Compounds of Formula (I) and pharmaceutical compositions comprising a compound of Formula (I) may be administered to a subject for antiviral therapy or prophylaxis.

The invention is for the combination and related methods of N-acetyl-cysteine oral, inhaled, or intravenous, or glutathione inhaled or intravenous, generally in combination with antibiotic and / or antiviral therapy to ameliorate the toxic effects of infection with materials used in Bioterror incidents such as Bacillus anthracis and smallpox virus, and alternatively, upon exposure to radiation, during testing, and vaccination, as treatment prior to treatment with antibiotic or antiviral therapy to ameliorate the toxic effects of infection and exposure with these organisms.

The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.

Embodiments of the present invention relate to enhanced antiviral therapy methods, devices, and kits for treating viral infections. The disclosed enhanced antiviral therapy methods, devices, and kits enhance the efficacy of an antiviral therapy by administering a lectin affinity hemodialysis treatment to an individual suffering from viral infection in combination with the antiviral therapy.

Provided are compounds of Formula I,as well as pharmaceutical compositions containing compounds of Formula I and methods for treating Orthomyxoviridae virus infections by administering these compounds. The compounds, compositions, and methods provided are particularly useful for the treatment of Human Influenza virus infections.

The invention concerns a gene therapy for treatment of animals and humans which suffer from an infection with a chronic virus such as HIV or HCV. It can also be used prophylactically to prevent chronic infection. The therapy makes use of a nucleotide construct stably integrated in the genome of the target cells of the virus, which is able to produce a single transcript or multiple transcripts capable of forming a double-stranded RNA which inhibits replication of the virus in situ.

The present invention generally relates to the field of antiviral therapy. More specifically, the present invention relates to the inhibition of the tRNALys3-primed initiation of reverse transcription in viruses by APOBEC3G. The present invention further relates to a method of treating or preventing viral infections by inhibiting tRNALys3 annealing and / or priming on a viral genome thereby reducing viral replication. More particularly, the present invention relates to the use of APOBEC3G, fragments or derivatives thereof for treatment or prophylaxis of HIV-1 infection and related lentivirus infections.

Compounds compositions and methods of modulating the immune response are provided. The method uses fusion proteins of a cytokine and an antibody to potentiate the action of the cytokine.

The invention relates to novel forms of compounds displaying broad spectrum antibiotic activity, especially crystalline polymorphic forms and amorphous forms of such compounds, compositions comprising such crystalline polymorphic forms and amorphous forms of such compounds, processes for manufacture and use thereof. The compounds and compositions of the invention are useful in the pharmaceutical industry, for example, in the treatment or prevention of diseases or disorders associated with the use of antibiotics, chemotherapies, or antiviral therapies, including, but not limited to, colitis, for example, pseudo-membranous colitis; antibiotic associated diarrhea; and infections due to Clostridium difficile (“C. difficile”), Clostridium perfringens (“C. perfringens”), Staphylococcus species, for example, methicillin-resistant Staphylococcus, or Enterococcus including Vancomycin-resistant enterococci.

The present invention relates to therapeutic combinations of [2-(6-amino-purin-9 yl)-1-methyl-ethoxymethyl]-phosphonic acid diisopropoxycarbonyloxymethyl ester (tenofovir disoproxil fumarate, Viread®) and (2R,5S,cis)-4-amino-5-fluoro-1-(2 hydroxymethyl-1,3-oxathiolan-5-yl)-(1H)-pyrimidin-2-one (emtricitabine, Emtriva™, (−)-cis FTC) and their physiologically functional derivatives. The combinations may be useful in the treatment of HIV infections, including infections with HIV mutants bearing resistance to nucleoside and / or non-nucleoside inhibitors. The present invention is also concerned with pharmaceutical compositions and formulations of said combinations of tenofovir disoproxil fumarate and emtricitabine, and their physiologically functional derivatives, as well as therapeutic methods of use of those compositions and formulations.

The present invention relates generally to the field of Hepatitis B variants exhibiting a reduced sensitivity to nucleoside analogues both in vivo and in vitro. More in particular, reverse transcriptase mutant rt I233V is provided. Present invention provides assays and methods for detecting such variant, which assays are useful in monitoring anti-viral therapeutic regimes and adjusting patient therapy. A diagnostic kit for detecting the presence of an HBV variant in a biological sample has also been described. Finally, the use of a farmaceutical composition to cure a subject suffering from a HBV infection, which HBV is resistant to lamuvidine and / or adefovir has been provided, which farmaceutical composition comprises the nucleoside analogue tenofovir.

The disclosed invention is a composition for and a method of treating a HIV infection in a host, such as a human, using a single, once a day, oral dose of β-D-D4FC in an enteric-coated tablet. The enterically coated β-D-D4FC increases the amount of the drug that remains in active form for use in inhibiting the HIV virus in vivo.

The invention consists in that substances acting as cascade inhibitors of the Raf / MEK / ERK signaling path-way, in particular MEK inhibitors, are used for the production of a drug for the preventive and antiviral therapy against DNA and RNA viruses, in particular against intranuclear-replicating negative strand RNA viruses, for instance influenza or Borna disease viruses.

The present invention relates to construction of hepatitis B virus siRNA expression vector and its antiviral therapeutic application. According to the design principle said construction includes the following steps: respectively selecting nucleotide sequence of HBV envelope protein (MS) coding region 69nt-87nt, polymerase(p) coding region 708nt-726nt and core protein (c) coding region 2052 nt-2070nt, designing correspondent siRNA sequence, using BLAST software to analyze homogenously to confirm that it is HBV highly conservative sequence, then chemically synthesizing single-stranded oligonucleotide, external annearing to form double-stranded DNA, connecting it with eukaryotic expression vector pTZU6+1, enzyme excision identification and sequence determination and analysis show that siRNA extression vectors of three target hepatitis B virus (HBV) gene sequences are constructed. The tests show that HBV siRNA has the strong action of inhibiting virus replication and expression.

The present invention relates generally to viral variants exhibiting reduced sensitivity to particular agents and / or reduced interactivity with immunological reagents. More particularly, the present invention is directed to hepatitis B virus (HBV) variants exhibiting complete or partial resistance to nucleoside analogs and / or reduced interactivity with antibodies to viral surface components including reduced sensitivity to these antibodies. The present invention further contemplates assays for detecting such viral variants, which assays are useful in monitoring anti-viral therapeutic regimens and in developing new or modified vaccines directed against viral agents and in particular HBV variants. The present invention also contemplates the use of the viral variants to screen for agents capable of inhibiting infection, replication and / or release of the virus.

A method of treating viral infections, particularly Hepatitis B (HBV) and Human Immunodeficiency Virus (HIV), by administering a low dose of Elvucitabine to a patient suffering viral infection is provided herein. The Elvucitabine dosages provided herein for effective anti-viral therapy are approximately 10-fold less than the effective dosages of currently marketed reverse transcriptase inhibitors. The Elvucitabine dosage may be given BID, daily, once every 48 hours, or once weekly. Also provided herein are packaged pharmaceutical formulations comprising Elvucitabine and instructions for treating a viral infection by administering a low BID, daily, once / 48 hour, or weekly dosage of Elvucitabine. The low dose Elvucitabine formulations provided herein have the additional benefit of improving patient compliance with anti-viral therapy.

The present invention provides several networks of cellular protein kinases as potential targets for medical intervention against hepatitis C virus (HCV) infection and HCV-related diseases and disorders in mammals, including humans. The invention relates to therapeutic protocols and pharmaceutical compositions designed to inhibit the activity of one or more of these protein kinases for the prevention and / or treatment of infections and diseases caused by HCV. The invention also relates to methods for the identification of kinase inhibitors that may be used to treat and / or prevent HCV infections and HCV-related diseases.

The invention discloses a Coxsackie virus A6 strain (WF057R) and applications thereof. The preservation number of the Coxsackie virus A6 strain (WF057R) in China General Microbiological Culture Collection Center (CGMCC) is CGMCC No.13393. A vaccine and CVA6 antiserum prepared from WF057R can treat and prevent diseases caused by CVA6. Furthermore, the maternal-transferred antibody of WF057R also has a protective effect on newborn mice. WF057R can also be used to establish a stable Coxsackie virus A6 infected animal model with good repeatability, and the animal model can be applied to drug antivirus treatment and immune protective effect evaluation of viral inactivation vaccines.