Malaria Patents (Class 514/895)
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Patent number: 7851512Abstract: The present invention provides a novel combination comprising artemisinin in the form of tablets and related dosage forms for pediatric use, such as granules, suppository, suspension syrup and dry powder, for the treatment of human malarias including multiple-resistant subtertian malaria, tertian malaria and quartan malaria. The combination is comprised of artemisinin, piperaquine and primaquine. Clinical tests in Southeast Asia countries where malaria is epidemic demonstrate that, apart from having high and rapid therapeutic effect possessed by the most excellent domestic and foreign artemisinin-type anti-malarial drugs, the present combination is also featured with shorter course of treatment, less side effect, lower material cost, and more convenience for administration, and its ability of rapidly killing gametophyte and cutting off infection source thereby blocking spreading of malaria is a further improvement.Type: GrantFiled: September 20, 2004Date of Patent: December 14, 2010Inventors: Li Guogiao, Jianping Song
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Patent number: 7629365Abstract: 3-Chloro-6-(hydroxymethyl)-2-methyl-5-[4-({4-[(trifluoromethyl)oxy]phenyl}oxy)phenyl]-4(1H)-pyridinone, having the following formula: is described along with its pharmaceutically acceptable salts, processes for its preparation, pharmaceutical formulations thereof and its uses in treatment of certain parasitic infections such as malaria.Type: GrantFiled: May 31, 2007Date of Patent: December 8, 2009Assignee: Glaxo Group LimitedInventors: Jose Maria Bueno Calderon, Jesus Chicharro Gonzalo, M Pilar Manzano Chinchon
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Patent number: 7157449Abstract: The present invention relates to the use of an inhibitor of CTP synthetase, such as a glutamine analogue, and a substance capable of suppressing toxic effects thereof in vivo, in the manufacture of a medicament for the treatment of a disease caused by a parasitic protozoa. More specifically, said substance capable of suppressing toxic effects may be a nucleobase, such as a purine base or a nucleoside, while the glutamine analogue advantageously is 6-diazo-5-oxo-L-norleucine (DON). The invention also relates to a pharmaceutical composition as such for the treatment and/or prevention of a disease caused by a parasitic protozoa, wherein the disease is selected from the group consisting of malaria, leishmaniasis and trypanosomiasis, e.g. American trypanosomiasis (Chaga's disease), or African trypanosomiasis (African sleeping sickness).Type: GrantFiled: April 20, 2001Date of Patent: January 2, 2007Inventors: Anders Hofer, Lars Thelander
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Patent number: 7135195Abstract: We disclose a colorless composition comprising silver particles and water, wherein said particles comprise an interior of elemental silver and an exterior of ionic silver oxide, wherein the silver particles are present in the water at a level of about 5–40 ppm, and wherein the composition manifests significant antimicrobial properties. Methods of use of the composition are described.Type: GrantFiled: August 15, 2003Date of Patent: November 14, 2006Assignee: American Silver, LLCInventors: Robert J. Holladay, Herbert Christensen, William D. Moeller
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Patent number: 7084132Abstract: A stable form of artemisinin wherein an artelinic acid or artesunic acid is complexed with cyclodextrin analogs, preferably, ?-cyclodextrin. The complexed cyclodextrin artemisinin formulation shields the peroxide portion of the artemisinin backbone from hydrolytic decomposition rendering it stable in solution. Artelinic acid and cyclodextrin are placed into contact with one another to yield a 2:1 molecular species. Artesunic acid and cyclodextrin yield a 1:1 molecular species. The complexed cyclodextrin artemisinin formulation is effective for the treatment of malaria and is stable in solution for long periods of time.Type: GrantFiled: April 25, 2005Date of Patent: August 1, 2006Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Mark G. Hartell, Apurba K. Bhattacharjee, Rickey P. Hicks, John E. VanHamont, Wilbur K. Milhous
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Patent number: 6951846Abstract: A stable form of artemisinin wherein an artelinic acid or artesunic acid is complexed with cyclodextrin analogs, preferably, ?-cyclodextrin. The complexed cyclodextrin artemisinin formulation shields the peroxide portion of the artemisinin backbone from hydrolytic decomposition rendering it stable in solution. Artelinic acid and cyclodextrin are placed into contact with one another to yield a 2:1 molecular species. Artesunic acid and cyclodextrin yield a 1:1 molecular species. The complexed cyclodextrin artemisinin formulation is effective for the treatment of malaria and is stable in solution for long periods of time.Type: GrantFiled: February 27, 2003Date of Patent: October 4, 2005Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Mark G. Hartell, Apurba K. Bhattacharjee, Rickey P. Hicks, John E. VanHamont, Wilbur K. Milhous
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Patent number: 6664397Abstract: Use of (+)-(11R,2′S)-&agr;-2-piperidinyl-2,8-bis(trifluoromethyl)-4-quinolinemethanol or a pharmaceutically acceptable salt thereof substantially free of its (−)-enantiomer in the manufacture of a medicament having reduced side-effect compared to the racemic (±)-(R*,S*)-&agr;-2-piperidinyl-2,8-bis(trifluoromethyl)-4-quinolinemethanol for treating or preventing malaria in a subject. A method of treating or preventing malaria with reduced side-effects comprising administration of (+)-(11R,2′S)-&agr;-2-piperidinyl-2,8-bis(trifluoromethyl)-4-quinolinemethanol or a pharmaceutically acceptable salt thereof substantially free of its (−)-enantiomer.Type: GrantFiled: November 22, 1999Date of Patent: December 16, 2003Assignee: Vernalis Research LimitedInventors: Allan Fletcher, Robin Shepherd
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Patent number: 6645966Abstract: Disclosed is a method of treating Malaria comprising administering an effective amount of an FPT inhibitor to a patient in need of such treatment alone or in combination with an additional antimalarial agent and/or agent for reversing antimalarial resistance. Also disclosed are novel Farnesyl Protein Transferase inhibitors.Type: GrantFiled: January 18, 2002Date of Patent: November 11, 2003Assignee: Schering CorporationInventors: William T. Windsor, Patricia C. Weber, Corey O. Strickland, Michael Gelb
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Patent number: 6531487Abstract: Compounds, compositions and methods are provided for treating malaria parasites in vitro and in vivo by administering indolo[2,1-b]quinazoline-6,12-dione compounds of Formula I.Type: GrantFiled: May 8, 2001Date of Patent: March 11, 2003Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Kevin K. Pitzer, John P. Scovill, Dennis E. Kyle, Lucia Gerena
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Patent number: 6528519Abstract: The specification discloses the treatment of malaria through the use of tetrandrine and its derivatives.Type: GrantFiled: February 28, 1991Date of Patent: March 4, 2003Inventor: Knox Van Dyke
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Patent number: 6428983Abstract: Histone deacetylase inhibition provides a target for identifying potential antiprotozoal compounds. Histone deacetylase inhibitors are useful as therapeutic agents against protozoal infections.Type: GrantFiled: April 22, 1999Date of Patent: August 6, 2002Assignee: Merck & Co.Inventors: Paula M. Dulski, Robert W. Myers, Anne M. Gumett, Sandra J. Rattray, Dennis M. Schmatz
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Patent number: 6376688Abstract: The present invention provides polyunsaturated fatty acid compounds having antimalarial and/or neutrophil stimulatory activity. The polyunsaturated fatty acids contain 18-25 carbons and 1-6 double bonds and are characterized in that they have one or two substitutions selected from the group consisting of &bgr; oxa, &ggr; oxa, &bgr; thia and &ggr; thia. It is also preferred that the polyunsaturated fatty acid compound includes a further substitution selected from the group consisting of hydroxy, hydroperoxy, peroxy, carboxymethyl substitutions or attached to an amino acid.Type: GrantFiled: May 29, 1997Date of Patent: April 23, 2002Assignee: Peptide Technology LimitedInventors: Antonio Ferrante, Alfred Poulos, Christopher John Easton, Michael Joseph Pitt, Thomas Alistair Robertson, Deborah Ann Rathjen
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Patent number: 6362219Abstract: The present invention relates to a synergistic formulation useful for the control of wide spectrum of malarial infections, which comprises a pharmaceutically effective amount of dihydroartemisinin and a vegetable oil.Type: GrantFiled: November 2, 2000Date of Patent: March 26, 2002Assignee: Council of Scientific and Industrial ResearchInventors: Dharam Chand Jain, Rajendra Singh Bhakuni, Ram Prakash Sharma, Sushil Kumar, Guru Prakash Dutta
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Patent number: 6306896Abstract: The invention relates to a pharmaceutically active composition containing a substance which is active against malaria parasites and shows a high level of activity against multiresistant lines of Plasmodium falciparum. The inventive composition is characterized in that it contains the active agent artemisinine and/or a derivative of artemisinine in a carrier material which is inert with the active agent, in a pharmaceutically active quantity and in that the carrier material is essentially free of compounds with a hydrophilic-lipophilic balance between 7 and 9.9.Type: GrantFiled: June 12, 2000Date of Patent: October 23, 2001Assignee: Mepha AGInventor: Max Werner Scheiwe
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Patent number: 6291488Abstract: The invention relates to combinations of atovaquone and proguanil, their use in the treatment and prophylaxis of parasitic infections such as protozoal parasitic infections, e.g., malaria and toxoplasmosis, and infections caused by P. carinii and their use in the manufacture of medicaments for the treatment and/or prophylaxis of such infections. The combinations can conveniently be administered in a single pharmaceutical formulation. Preferably, atovaquone and proguanil are administered in a potentiating ratio so that they act in synergy.Type: GrantFiled: October 4, 2000Date of Patent: September 18, 2001Assignee: Glaxo Wellcome Inc.Inventors: Winston Edward Gutteridge, David Brian Ashton Hutchinson, Victoria Susan Latter, Mary Pudney
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Patent number: 6284772Abstract: Compounds, compositions and methods are provided for treating malaria parasites in vitro and in vivo by administering indolo[2,1-b]quinazoline-6,12-dione compounds of Formula I.Type: GrantFiled: September 28, 1999Date of Patent: September 4, 2001Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Kevin K. Pitzer, John P. Scovill, Dennis E. Kyle, Lucia Gerena
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Patent number: 6242428Abstract: The invention relates to novel nucleosides and nucleoside dimers containing an L-sugar in at least one of the nucleosides, and their pharmaceutical compositions.Type: GrantFiled: December 23, 1998Date of Patent: June 5, 2001Assignees: Unisearch Limited, Lipitek International Inc.Inventors: Alexander L Weis, Kirupathevy Pulenthiran, Annette M. Gero
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Patent number: 6214350Abstract: This invention relates to compositions derived from Chinese herbal medicines, medicinal plants and extracts thereof, and to their use for the treatment of animals infected with viruses, especially with hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV). More specifically, the compositions of the present invention arc derived from various Chinese herbal medicines or medicinal plants which have a long history of human consumption. The compositions of the invention are obtained through specific techniques and have demonstrated outstanding efficacy for treating human HBV carriers and hepatitis C patients. Compositions according to the invention have also exhibited in vitro antiviral activities against murine leukemia virus (MuLV) and HIV. HIV is the virus known to cause acquired immunodeficiency syndrome (AIDS) in humans and AIDS presents special problems to the medical community which the present invention addresses.Type: GrantFiled: August 17, 1999Date of Patent: April 10, 2001Inventor: Shie-Ming Hwang
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Patent number: 6214864Abstract: The present invention relates to a synergistic formulation useful for the control of wide spectrum of malarial infections, which comprises a pharmaceutically effective amount of dihydroartemisinin and a vegetable oil.Type: GrantFiled: March 5, 1999Date of Patent: April 10, 2001Assignee: Council of Scientific and Industrial ResearchInventors: Dharam Chand Jain, Rajendra Singh Bhakuni, Ram Prakash Sharma, Sushil Kumar, Guru Prakash Dutta
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Patent number: 6194401Abstract: A description is given of new pharmaceutical compositions containing cyclosporine, combined with a carrier comprising at least a derivative of &agr;-glycerophosphoric acid, such as &agr;-glycerophosphorylcholine, &agr;-glycerophosphorylserine, &agr;-glycerophosphorylethanolamine and &agr;-glycerophosphoryl-myo-inositol, which allow cyclosporine bioavailability to significantly increase.Type: GrantFiled: November 18, 1998Date of Patent: February 27, 2001Assignee: Flarer S.A.Inventor: Alberto Salini
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Patent number: 6191270Abstract: Nucleic acids (SEQ ID NOs: 1-3) encoding a Plasmodium falciparum liver stage antigen, the LSA-3 immunogenic polypeptide, recombinant vectors containing the nucleic acids, and methods of making the polypeptide using the nucleic acids and vectors are disclosed.Type: GrantFiled: February 6, 1998Date of Patent: February 20, 2001Assignee: Institut PasteurInventors: Pierre Druilhe, Pierre Daubersies
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Patent number: 6166046Abstract: The invention relates to combinations of atovaquone and proguanil, their use in the treatment and prophylaxis of parasitic infections such as protozoal parasitic infections, e.g., malaria and toxoplasmosis, and infections caused by P. carinii and their use in the manufacture of medicaments for the treatment and/or prophylaxis of such infections. The combinations can conveniently be administered in a single pharmaceutical formulation. Preferably, atovaquone and proguanil are administered in a potentiating ratio so that they act in synergy.Type: GrantFiled: October 1, 1999Date of Patent: December 26, 2000Assignee: Glaxo Wellcome Inc.Inventors: Winston Edward Gutteridge, David Brian Ashton Hutchinson, Victoria Susan Latter, Mary Pudney
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Patent number: 6114393Abstract: Inhibitors of the sodium-hydrogen exchanger are suitable on their own or in combination with other classes of active compound for the production of a medicament for the treament of diseases which are caused by protozoa; thus of diseases which are caused by animal- and human-pathogenic protozoa, such as by intracellularly active parasites of the classes Apicomplexa and Zoomastigophorea, in particular trypanosomes, plasmodia (malaria pathogens), leishmanias, babesias and theilerias, cryptosporidiidae, sarcocystidae, amoebae, coccidia and trichomonads.Type: GrantFiled: August 26, 1998Date of Patent: September 5, 2000Assignee: Hoechst Marion Roussel Deutschland GmbHInventors: Hans Jochen Lang, Michael Lanzer, Jochen Wiesner, Cecilia Sanchez, Stefan Wunsch
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Patent number: 6110697Abstract: Histone deacetylase inhibition provides a target for identifying potential antiprotozoal compounds. Histone deacetylase inhibitors are useful as therapeutic agents against protozoal infections.Type: GrantFiled: September 20, 1996Date of Patent: August 29, 2000Assignee: Merck & Co., Inc.Inventors: Paula M. Dulski, Robert W. Myers, Anne M. Gumett, Sandra J. Rattray, Dennis M. Schmatz
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Patent number: 6096788Abstract: The invention concerns pharmaceutical compositions with antimalaria and antibabesiosis activity, the active substances of these compositions and their use for formulating antimalaria drugs.Type: GrantFiled: February 1, 1999Date of Patent: August 1, 2000Assignee: Virbac S.A.Inventors: Henri Vial, Michele Calas, Marie-Laure Ancelin, Louis Giral
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Patent number: 6068987Abstract: Histone deacetylase inhibition provides a target for identifying potential antiprotozoal compounds. Histone deacetylase inhibitors are useful as therapeutic agents against protozoal infections.Type: GrantFiled: November 18, 1999Date of Patent: May 30, 2000Assignee: Merck & Co., Inc.Inventors: Paula M. Dulski, Robert W. Myers, Anne M. Gurnett, Sandra J. Rattray, Dennis M. Schmatz
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Patent number: 6066623Abstract: A first embodiment is a specific plasmid vector, pDIP/PyCSP.1, into which nucleotides encoding the targets of specific immune responses are inserted. These targets include, but are not limited to proteins and peptides. These plasmid constructs are incorporated in a composition comprising a suitable and acceptable art recognized pharmaceutical reagent that is benign (non-reactive with) to the plasmid construct. The plasmid construct provides protective immune responses to the disease associated with the selected targets. A second embodiment is a construct having, at a minimum, the nucleotide sequences encoding one or more Plasmodium species proteins in a pharmaceutically acceptable vector. a third embodiment is a method of controlling malaria in mammals comprising injecting a polynucleotide delivery vector into a mammal.Type: GrantFiled: November 23, 1993Date of Patent: May 23, 2000Assignee: The United States of America as represented by the Secretary of the NavyInventors: Stephen L. Hoffman, Richard C. Hedstrom, Martha Sedegah
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Patent number: 6048867Abstract: A method of therapy wherein there is administered to a person in need of such therapy a pharmacologically effective amount of a rupununine having the formula: ##STR1##Type: GrantFiled: August 12, 1996Date of Patent: April 11, 2000Inventor: Conrad Gorinsky
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Patent number: 6043231Abstract: A method for treating mammals suffering from conditions associated with excess phospholipase A.sub.2 activity and/or production comprising administering to the mammal an effective amount of a non-antimicrobial tetracycline sufficient to inhibit excess phospholipase A.sub.2 activity and/or production is disclosed. A pharmaceutical composition is also disclosed.Type: GrantFiled: August 31, 1993Date of Patent: March 28, 2000Assignee: The Research Foundation of State Univ. of New YorkInventors: Waldemar Pruzanski, Lorne M. Golub, Peter Vadas, Robert A. Greenwald, Nangavarum S. Ramamurthy, Thomas F. McNamara
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Patent number: 5998449Abstract: The invention relates to combinations of atovaquone and proguanil, their use in the treatment and propinylaxis of parasitic infections, such as protozoal parasitic infections, e.g. malaria and toxoplasmosis, and infections caused by P.carinii and their use in the manunfacture of medicaments for the treatment and/or prophylaxis of such infections. The combinations can conveniently be administered in a single pharmaceutical formulation. Preferably, atovaquone and proguanil are administered in a potentiating ratio so that they act in synergy.Type: GrantFiled: October 31, 1997Date of Patent: December 7, 1999Assignee: Glaxo Wellcome Inc.Inventors: Winston Edward Gutteridge, David Brian Ashton Hutchinson, Victoria Susan Latter, Mary Pudney
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Patent number: 5998476Abstract: The invention provides polyunsaturated fatty acid compounds having antimalarial and/or neutrophil stimulatory activity, or anti-inflammatory activity. The polyunsaturated fatty acids contain a 16-26 carbon chain, 3-6 double bonds and are covalently coupled at the carboxylic acid group to an amino acid. It is preferred that the fatty acid contains 18-22 carbons and that the amino acid is glycine or aspartic acid. Preferred compounds are .gamma.-linolenic acid-glycine, .alpha.-linolenic acid-glycine, arachidonic acid-aspartic acid, eicosapentaenoic acid-aspartic acid and docosahexaenoic acid-aspartic acid.Type: GrantFiled: July 21, 1997Date of Patent: December 7, 1999Assignee: Peptide Technology LimitedInventors: Merilyn Joy Sleigh, Fred Widmer, Paul Adam Schober, Antonio Ferrante, Alfred Poulos, Deborah Ann Rathjen
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Patent number: 5968987Abstract: The present invention relates to the use of halofantrine free base in the treatment of malarial infections. In particular, lipid-based formulations for oral and injectable use are disclosed.Type: GrantFiled: October 15, 1997Date of Patent: October 19, 1999Assignee: Smithkline Beecham p.l.c.Inventors: William Neil Charman, Christopher John Hamilton Porter
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Patent number: 5955490Abstract: Methods of detecting and treating rapidly growing exogenous cells, such as Protista, or parasites, that preferentially accumulate a photoactivatable porphyrin in which 5-aminolevulinic acid or precursor thereof is administered to the patient, or contacted to the exogenous cells, in an amount sufficient to induce synthesis fluorescence and/or photosensitizing concentrations of a protoporphyrin IX in the exogenous cells, followed by exposure of the exogenous cells to light of photoactivating wavelengths.Type: GrantFiled: June 5, 1995Date of Patent: September 21, 1999Assignee: Queen's University at KingstonInventors: James C. Kennedy, Roy H. Pottier, Robert L. Reid, Arnold Sac-Morales, Lewis L. Tomalty
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Patent number: 5939402Abstract: The invention relates to novel nucleosides and nucleoside dimers containing an L-sugar in at least one of the nucleosides, and their pharmaceutical compositions.Type: GrantFiled: March 11, 1998Date of Patent: August 17, 1999Assignee: Lipitek International, Inc.Inventors: Alexander L. Weis, Kirupathevy Pulenthiran
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Patent number: 5928636Abstract: The present invention provides a combination of IL-12 and IFN.alpha. together with a pharmaceutically acceptable carrier useful for treatment and prophylaxis of infectious diseases, preferably chronic infectious diseases and more preferably viral infections, e.g. HSV, HIV, Hepatitis B, Hepatitis C, papilloma etc., bacterial infections, e.g. tuberculosis, salmonellosis, listeriosis, etc., and parasite infections, e.g. malaria, leishmaniasis, and schistosomiasis. These compositions are characterized by the synergistic interaction of IL-12 and IFN.alpha.. The present invention also provides the use of the above combination for the treatment and prophylaxis of infectious diseases.Type: GrantFiled: April 30, 1997Date of Patent: July 27, 1999Assignee: Hoffmann-La Roche Inc.Inventors: Gottfried Alber, Jacqueline Anne Carr, Frank Albert Mattner, Michael John Mulqueen, Kathrin Palmer, Jane Andre Louise Rogerson
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Patent number: 5902793Abstract: This invention is directed to a method for stimulating, the proliferation of V.gamma.2V.delta.2 T cells comprising contacting V.gamma.2V.delta.2 T cells with a V.gamma.2V.delta.2 T cell proliferation stimulating amount of a compound selected from the group-consisting of a monoalkyl phosphate, a hydroxy monoalkyl phosphate, a carboxy monoalkyl phosphate, a monoalkyl pyrophosphate, an alkenyl pyrophosphate, a .gamma.-monoalkyl nucleoside triphosphate, a .gamma.-monoalkyl deoxnucleoside triphosphate, a .gamma.-alkenyl nucleoside triphosphate, and a .gamma.-alkenyl deoxynucleoside triphosphate.Type: GrantFiled: June 16, 1997Date of Patent: May 11, 1999Assignee: Albert Einstein College of Medicine of Yeshiva UniversityInventors: Barry R. Bloom, Yoshimasa Tanaka, Shigetoshi Sano
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Patent number: 5885996Abstract: Quinazoline compounds which demonstrate antiproliferative activity, such as antitumor activity, processes of preparing these compounds, pharmaceutical compositions containing these compounds, and the use of these compounds. These compounds inhibit the growth and proliferation of the cells of higher organisms and microorganisms, such as bacteria, yeasts and fungi. Preferred quinazoline compounds are capable of inhibiting the enzyme thymidylate synthase. Effects derived from the inhibition of the enzyme thymidylate synthase include those discussed above.Type: GrantFiled: September 4, 1997Date of Patent: March 23, 1999Assignee: Agouron Pharmaceuticals, Inc.Inventors: Stephen E. Webber, Ted M. Bleckman, John Attard, Terrence R. Jones, Michael D. Varney
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Patent number: 5883132Abstract: The present invention relates to compounds selected from the group consisting of:(i) the compounds of the formula ##STR1## in which: R is a hydrogen atom, a group OH, a group OCH.sub.3 or a group CH.sub.2 OH,*C, in the case where R is not a hydrogen atom, is an asymmetric carbon atom of (R,S), (R) or (S) configuration, and**C is an asymmetric carbon atom of (R,S) or (R) configuration; and(ii) their addition salts.It further relates to the method of preparing these compounds, to their use in therapeutics and in the field of analysis, and to intermediates.Type: GrantFiled: October 10, 1996Date of Patent: March 16, 1999Assignee: Fournier Industrie Et SanteInventors: Luc Lebreton, Patrice Renaut, Philippe Durand
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Patent number: 5874477Abstract: The invention provides a method of preventing or treating malaria comprising administering a therapeutically effective amount of serotonin receptor ligand to reduce the pathological consequences of malaria infection in a patient, said serotonin receptor ligand characterized by an ability to displace an identifying ligand which defines the serotonin receptor subtype 5HT1a or 5HT2/5HT1c.In addition, the invention provides a method of identifying a serotonin receptor ligand capable of reducing the pathological consequences of malarial infection in a patient comprising the step of sequentially assaying potential ligands to identify a ligand characterized by an ability to displace an identifying ligand which defines the serotonin receptor subtype 5HT1a or 5HT2/5HT1c.Type: GrantFiled: August 12, 1994Date of Patent: February 23, 1999Assignee: The University of HawaiiInventors: Bruce McConnell, Christopher P. Locher
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Patent number: 5798106Abstract: This invention relates to a novel protein capable of inducing an immune response protective against human malarial infection caused by Plasmodium falciparum, and to the cloning and expression of a gene encoding the said protein. The invention further relates to novel vaccines comprising the said protein and to their use in the vaccination of humans at risk from malaria.Type: GrantFiled: May 25, 1995Date of Patent: August 25, 1998Assignee: University of NijmeganInventors: Johannes Gerardus Ghislain Schoenmakers, Rudolph Nicholaas Hendrik Konings, Inge Irma Maria Dominique Moelans
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Patent number: 5753632Abstract: The use of colloidal silica for the treatment of sickle-cell anaemia, malaria and exogenously induced leucopenias leads to a significant improvement in the condition of the patients.Type: GrantFiled: September 21, 1995Date of Patent: May 19, 1998Inventors: Alfred Schmidt, Emmanuel Bisse, Heinrich Wieland
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Patent number: 5711966Abstract: This invention provides a method of treating patients suffering from malaria whilst avoiding cardioarrhythmias, the improvement thereof comprising the administration of desbutylhalofantrine in place of halofantrine. Dosage of 500 mg every six hours for three doses on day one with repeat of that dosage on day 7 for a total dosage of 3000 mg is appropriate for most treatment purposes in adults. Desbutylhalofantrine may also be given at dosage of 50 to 1000 mg as a prophylactic measure. Dosage may be given daily or one day per week.Type: GrantFiled: August 23, 1996Date of Patent: January 27, 1998Inventors: Raymond Woosley, David L. Wesche, Brian G. Schuster
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Patent number: 5683692Abstract: A method of treating viral and protozoal infections using RIPonucleases is provided.Type: GrantFiled: June 6, 1995Date of Patent: November 4, 1997Assignee: Thomas Jefferson UniversityInventors: Theodore Taraschi, Emmanuelle Nicolas
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Patent number: 5677331Abstract: The invention relates to a synergistic antimalarial composition which comprises the antimalarial agent benflumetol and also an antimalarial agent from the artemisinine group such as artemether. The composition can be formulated into solid dosage forms such as tablets and is useful for the treatment of drug resistant malaria.Type: GrantFiled: March 23, 1994Date of Patent: October 14, 1997Assignees: Ciba-Geigy AG, Institute of Microbiology and Epidemiology, Academy of Military Medical SciencesInventors: Yiqing Zhou, Dianxi Ning, Shufen Wang, Deben Ding, Guofu Li, Chengqi Shan, Guangyu Liu
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Patent number: 5672624Abstract: The present invention relates to novel biologically-active organic peroxides and to novel uses of both known and new organic peroxides. More specifically, this invention details organic endoperoxides having antiparasitic activity, methods for their preparation and methods for treating malaria and cerebral toxoplasmic encephalitis with the organic endoperoxides.Type: GrantFiled: November 22, 1995Date of Patent: September 30, 1997Assignee: The Johns Hopkins UniversityInventor: Gary H. Posner
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Patent number: 5658949Abstract: A novel method of inhibiting production of two important mediators of cellular function, tumor necrosis factor and nitric oxide, and treating a pathophysiological state characterized by an undesirable production or level of tumor necrosis factor or nitric acid. The methods of the present invention employ retinoic acid compounds. The most preferred retinoic acid is all-trans-retinoic acid. Also provided is a method of inhibiting tumor necrosis factor receptors using retinoic acid-like compounds.Type: GrantFiled: November 30, 1994Date of Patent: August 19, 1997Assignee: Research Development FoundationInventor: Bharat B. Aggarwal
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Patent number: 5624913Abstract: A method for reducing the TNF-alpha in mammals with cerebral malaria comprising the administration of 2-methylthio-ATP or 2-chloro-ATP.Type: GrantFiled: August 30, 1994Date of Patent: April 29, 1997Assignee: Wisconsin Alumni Research FoundationInventors: Richard A. Proctor, Paul J. Bertics
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Patent number: 5569456Abstract: A rupununine, either in purified form or a derivative in which one or both of the hydroxyl groups is substituted, the rupununine having the formula: ##STR1## where R.dbd.--H or --CH.sub.3.Type: GrantFiled: February 1, 1994Date of Patent: October 29, 1996Inventor: Conrad Gorinsky
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Patent number: 5569675Abstract: This invention relates to novel methods of increasing the level of fetal hemoglobin (HbF) in a subject and methods of treating, preventing or ameliorating .beta.-globin or other HbF-related disorders by increasing the level of HbF in a subject in need of such treatment comprising administering one or more compounds of the Formulae (I), (II), or (III):(I) XCH.sub.2 --CHX--CHX--C(.dbd.O)--O--Z(II) CH.sub.3 --CO--CH.sub.2 --C(.dbd.O)--O--Z(III) CH.sub.3 --CH.sub.2 --CO--C(.dbd.O)--O--Zwherein:X is H, or one of X only may be OH;Z is --CHR--O--C(.dbd.O)R', --CHR--O--C(.dbd.Type: GrantFiled: March 7, 1994Date of Patent: October 29, 1996Assignees: Bar Ilan University, Mor Research Applications Ltd.Inventors: Ada Rephaeli, Abraham Nudelman, Matityahu Shaklai
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Patent number: 5516806Abstract: Compounds of formula (I): H.sub.2 N--(CH.sub.2).sub.n --A--(CH.sub.2).sub.m --O--NH.sub.2 and salts thereof are described in which the radical A is C.sub.3 -C.sub.6 cycloalkylene; n is 0 or 1 and, independently thereof, m is 0 or 1; with the provisos that a) the distance between the aminooxy radical H.sub.2 N--O-- and the amino group --NH.sub.2 is at least 3 and not more than 4 carbon atoms and that b) the two radicals H.sub.2 N--(CH.sub.2).sub.n -- and --(CH.sub.2).sub.m --O--NH.sub.2 are not bonded to the same ring carbon of A. The compounds of formula (I) and their salts are ornithine decarboxylase inhibitors.Type: GrantFiled: December 12, 1994Date of Patent: May 14, 1996Assignee: Ciba-Geigy CorporationInventors: Jorg Frei, Jaroslav Stanek