Patents Assigned to Merck Sharp
  • Patent number: 6489343
    Abstract: The present invention relates to compounds of the formula (I): wherein R1 is fluorine or trifluoromethyl; R2 is fluorine or trifluoromethyl; R3 is methyl or hydroxymethyl; R4 represents a variety of substituents; and n is zero, 1 or 2; and pharmaceutically acceptable salts thereof. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migaine, emesis or postherpetic neuralgia.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: December 3, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Jose Luis Castro Pineiro, Simon Neil Owen, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6486153
    Abstract: A class of tryptamine analogues bearing an optionally substituted phenyl nucleus at the 2-position are selective antagonists of the human 5-HT2A receptor and are therefore useful as pharmaceutical agents, especially in the treatment and/or prevention of adverse neurological conditions, including psychotic disorders such as schizophrenia.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: November 26, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Jose Luis Castro Pineiro, Steven Michael Hutchins, Stephen John Lewis, Michael Rowley, Adrian Leonard Smith, Graeme Irvine Stevenson
  • Patent number: 6479506
    Abstract: Substituted or 6,7-ring fused 1,2,3-triazolo[4,5-b]pyridine derivatives are selective ligands for GABAA receptors useful in the treatment of disorders of the central nervous system.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: November 12, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Howard Barff Broughton, Jose Luis Castro Pineiro, Ian James Collins, Leslie Joseph Street
  • Patent number: 6479480
    Abstract: Compounds according to Formula (I) or a salt thereof are selective antagonists of the human 5-HT2A receptor useful for treatment of adverse conditions of the central nervous system:
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: November 12, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Christopher Richard Moyes, Michael Rowley
  • Patent number: 6479486
    Abstract: The present invention relates compounds of the formula (I): wherein Z is —CR9R10CH2— or —CH2CR9R10—; and R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migaine, emesis or postherpetic neuralgia.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: November 12, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Ian Thomas Huscroft, Janusz Jozef Kulagowski, Piotr Antoni Raubo
  • Patent number: 6476030
    Abstract: Compounds according to Formula (I): or a salt or prodrug thereof, have good affinity as ligands for the alpha2 and/or alpha3 subunit of the human GABAA receptor and are useful for treatment of disorders of the central nervous system, including anxiety and convulsions.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: November 5, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: William Robert Carling, Andrew Mitchinson, Kevin William Moore, Michael Geoffrey Russell, Gayle Scott, Leslie Joseph Street
  • Patent number: 6476045
    Abstract: The present invention relates to compounds of the formula (I): wherein: Het represents a heterocyclic residue selected from: where the dotted line in (b) represents an optional double bond; A completes a fused pyridine ring; and B completes a fused benzene or pyridine ring. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migaine, emesis or postherpetic neuralgia.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: November 5, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Kevin Dinnell, Jason Matthew Elliott, Gregory John Hollingworth, Duncan Edward Shaw
  • Patent number: 6465462
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof are useful in enhancing cognition.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: October 15, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: William Robert Carling, Angus Murray MacLeod, Ruth McKernan, Austin John Reeve, Francine Sternfeld, Leslie Joseph Street
  • Patent number: 6458830
    Abstract: The present invention relates to compounds of the formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and n are defined herein. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migraine, emesis and postherpetic neuralgia.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: October 1, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Simon Neil Owen, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6455276
    Abstract: The present invention provides nucleotide sequences encoding the &agr;4 and &dgr; subunits of the human GABAA receptor, preparations of &agr;4 and &dgr; receptor subunit proteins, preparations of receptors including &agr;4 or &dgr; polypeptides, expression vectors including the nucleotide sequences, stably co-transfected eukaryotic cells and methods of their preparation and methods of screening for and designing medicaments which act upon the GABAA receptor.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: September 24, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Beatrice Le Bourdelles, Paul John Whiting
  • Patent number: 6455552
    Abstract: A combination of a muscarinic agonist and an inverse agonist of the GABAA &agr;5 receptor subtype useful in treating neurodegenerative conditions such as Alzheimer's Disease is disclosed.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: September 24, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventor: Gerard Raphael Dawson
  • Patent number: 6448229
    Abstract: The invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof: wherein X is CH2, O or S. The compounds inhibit gamma secretase without affecting Notch signalling, and hence find use in the treatment or prevention of Alzheimer's disease.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: September 10, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventor: Martin Richard Teall
  • Patent number: 6448249
    Abstract: A substituted triazolopyridazine derivative, its use in cognition enhancement therapy, compositions containing it and processes for its manufacture.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: September 10, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: William Robert Carling, Tamara Ladduwahetty, Angus Murray MacLeod, Kevin John Merchant, Kevin William Moore, Francine Sternfeld, Leslie Joseph Street
  • Patent number: 6444666
    Abstract: A compound of formula I, or a salt or prodrug thereof: wherein: Z represents C1-6 alkyl, C3-7 cycloalkyl, C4-7 cycloalkenyl, aryl, C3-7 heterocycloalkyl, heteroaryl or di(C1-6)alkylamino, any of which groups may be optionally substituted; R1 represents an optionally substituted five-membered heteroaromatic ring selected from oxazole, thiazole, isoxazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole and tetrazole; or R1 represents an optionally substituted six-membered heteroaromatic ring selected from pyrazine, pyrimidine and pyridazine; and R2 represents cyano(C1-6)alkyl, hydroxy(C1-6)alkyl, C3-7 cycloalkyl(C1-6)alkyl, propargyl, C3-7 heterocycloalkylcarbonyl(C1-6)alkyl, aryl(C1-6)alkyl or heteroaryl(C1-6)alkyl, any of which groups may be optionally substituted; its use in treating anxiety and pharmaceutical compositions comprising it; a subclass of compounds which are useful in enhancing cognition, such as Alzheimer's Disease, is also disclosed.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: September 3, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Tamara Ladduwahetty, Kevin John Merchant, Francine Sternfeld, Leslie Joseph Street
  • Publication number: 20020115702
    Abstract: The present invention relates to the use, for the preparation of drugs to increase the survival rate of transplant patients, including renal and heart transplant patients, of a therapeutically effective amount of an angiotension II receptor antagonist compound, such as the class of substituted imidazoles represented by formula (I) and in particular by losartan potassium, 2-butyl-4-chloro-[(2′-tetrazol-5-yl)biphenyl-4-il]methyl]-5-(hydroxymethyl)imidazole potassium salt.
    Type: Application
    Filed: February 19, 2002
    Publication date: August 22, 2002
    Applicant: MERCK SHARP & DOHME (Italia) S.p.A.
    Inventor: Giuseppe Remuzzi
  • Patent number: 6426343
    Abstract: The present invention relates to a method of enhancing cognition without producing convulsions which method comprises administering to a subject in need thereof a cognition enhancing amount of a compound which is a GABAa selective alpha5 receptor inverse agonist.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: July 30, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventor: Gerard Raphael Dawson
  • Patent number: 6407255
    Abstract: The present invention relates to a process for the preparation of morpholine derivatives of formula (I) which are useful as a therapeutic agents.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: June 18, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Ian Frank Cottrell, Ulf H Dolling, David Hands, Robert Darrin Wilson
  • Patent number: 6399608
    Abstract: A pharmaceutical product comprising an SSRI and a non-sedating anxiolytic compound, which is a modulator of the benzodiazepine binding site of the human GABAA receptor, having a binding affinity for the &agr;3 subunit of the human GABAA receptor of 10 nM or less, which elicits at least a 40% potentiation of the GABA EC20 response in stably transfected recombinant cell lines expressing the &agr;3 subunit of &agr;3 and which elicits at most a 30% potentiation of the GABA EC20 response in stably transfected cell lines expressing the &agr;1 subunit of the human GABAA receptor is disclosed for simultaneous, separate or sequential administration.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: June 4, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventor: Gerard Raphael Dawson
  • Patent number: 6395905
    Abstract: 4-oxo-tetrahydroindozole-3-carboxamide compounds according to Formula (I), or a pharmaceutically acceptable salt thereof, are GABA-A Alpha 5 ligands useful for enhancing cognition:
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: May 28, 2002
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Helen Jane Bryant, Mark Stuart Chambers
  • Patent number: 6395766
    Abstract: Compounds according to Formula (I) or a pharmaceutically acceptable salt thereof are GABA-A Alpha 5 ligands useful for enhancing cognition: where A is C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C3-6cycloalkyl, arylC1-6alkyl, or aryl wherein the aryl group is optionally substituted by halogen, C1-6alkyl, CF3, CN, NO2 or NH2, NR1R10, S(O)pR1, heteroarylC1-6alkyl or heteroaryl where heteroaryl is a 5- or 6-membered heteroaromatic ring as defined for B; and B is phenyl or a 5-membered ring having one or two unsaturations containing 1, 2, 3, or 4 heteroatoms chosen from O, N and S provided that not more than one heteroatom is other than N, a 6-membered heteroaromatic ring containing 1, 2, 3 or 4 nitrogen atoms, each of which rings is optionally substituted by one or more substituents.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: May 28, 2002
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Howard Barff Broughton, Helen Jane Bryant, Mark Stuart Chambers, Neil Roy Curtis