Patents by Inventor Rajagopal Bakthavatchalam

Rajagopal Bakthavatchalam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20040072847
    Abstract: Substituted spiro[isobenzofuran-1,4′-piperidin]-3-ones and 3H-spiroisobenzofuran-1,4′-piperidines capable of modulating NPY5 receptor activity are provided. Such compounds may be used to modulate ligand binding to NPY5 receptors in vivo or in vitro, and are particularly useful in the treatment of a variety of disorders (e.g., eating disorders such as obesity or bulimia, psychiatric disorders, diabetes and cardiovascular disorders such as hypertension) in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for treating such disorders are provided, as are methods for using such compounds for detecting NPY5 receptors.
    Type: Application
    Filed: April 9, 2003
    Publication date: April 15, 2004
    Applicants: NEUROGEN CORPORATION, PFIZER INC.
    Inventors: Rajagopal Bakthavatchalam, Charles A. Blum, Harry L. Brielmann, James William Darrow, Stephane De Lombaert, Alan Hutchison, Jennifer Tran, Xiaozhang Zheng, Richard Louis Elliott, Marlys Hammond
  • Publication number: 20040002498
    Abstract: The present invention relates to tricyclic compounds of formula (I): 1
    Type: Application
    Filed: April 24, 2003
    Publication date: January 1, 2004
    Inventors: Barry L. Johnson, Mona Patel, James D. Rodgers, Haisheng Wang, Christine M. Tarby, Rajagopal Bakthavatchalam
  • Publication number: 20030220333
    Abstract: Corticotropin releasing factor (CRF) antagonists of Formula (II) 1
    Type: Application
    Filed: June 9, 2003
    Publication date: November 27, 2003
    Inventor: Rajagopal Bakthavatchalam
  • Publication number: 20030220342
    Abstract: Provided herein are methods for treating a subject afflicted with irritable bowel syndrome comprising administering to the subject a therapeutically effective amount of a pharmaceutical composition that comprises a pharmaceutically acceptable carrier and a compound of the formula 1
    Type: Application
    Filed: May 1, 2003
    Publication date: November 27, 2003
    Inventors: Rajagopal Bakthavatchalam, Richard G. Wilde, Paul J. Gilligan
  • Publication number: 20030216390
    Abstract: Melanin concentrating hormone receptor ligands (especially substituted benzoimidazole analogues), capable of modulating MCH receptor activity, are provided. Such ligands may be used to modulate MCH binding to MCH receptors in vivo or in vitro, and are particularly useful in the treatment of a variety of metabolic, feeding and sexual disorders in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for treating such disorders are provided, as are methods for using such ligands for detecting MCH receptors (e.g., receptor localization studies).
    Type: Application
    Filed: January 9, 2003
    Publication date: November 20, 2003
    Inventors: Robert W. DeSimone, John Peterson, Cheryl Steenstra, Yiping Shen, Linda Gustavson, Rajagopal Bakthavatchalam, Alan Hutchison
  • Patent number: 6642230
    Abstract: Corticotropin releasing factor (CRF) antagonists of formula (I): and their use in treating psychiatric disorders and neurological diseases, anxiety-related disorders, post-traumatic stress disorder, supranuclear palsy and feeding disorders as well as treatment of immunological, cardiovascular or heart-related diseases and colonic hypersensitivity associated with psychopathological disturbance and stress in mammals.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: November 4, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Richard Gerald Wilde, Rajagopal Bakthavatchalam, James Peter Beck, Argyrios Georgious Arvanitis
  • Publication number: 20030191136
    Abstract: Disclosed are compounds of the formula: 1
    Type: Application
    Filed: March 11, 2003
    Publication date: October 9, 2003
    Inventors: Rajagopal Bakthavatchalam, Andrew Thurkauf, Alan Hutchison
  • Patent number: 6630476
    Abstract: Corticotropin releasing factor (CRF) antagonists of Formula (I) or (II) and their use in treating anxiety, depression, and other psychiatric, neurological disorders as well as treatment of immunological, cardiovascular or heart-related diseases and colonic hypersensitivity associated with psychopathological disturbance and stress.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: October 7, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventor: Rajagopal Bakthavatchalam
  • Patent number: 6593337
    Abstract: The present invention relates to tricyclic compounds of formula (I): or stereoisomeric forms, stereoisomeric mixtures, or pharmaceutically acceptable salt forms thereof, which are useful as inhibitors of HIV reverse transcriptase, and to pharmaceutical compositions and diagnostic kits comprising the same, and methods of using the same for treating viral infection or as an assay standard or reagent.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: July 15, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Barry L. Johnson, Mona Patel, James D. Rodgers, Christine M. Tarby, Rajagopal Bakthavatchalam
  • Patent number: 6589952
    Abstract: Provided herein are novel imidazo[1,2-a]pyrazines of Formula I: wherein: X is CHR5, NR5, O, S, S(O)n or a single bond, wherein n is equal to 0, 1 or 2; D is aryl or heteroaryl attached through an unsaturated carbon atom and wherein said aryl or heteroaryl is optionally substituted at any available position with from 1-5 of A1, A2, A3, A4 and A5; R2 is C1-4 alkyl or C3-8 cycloalkyl, each of which is optionally substituted with from 1-3 hydroxy, halogen or C1-4 alkoxy, or wherein when X is a bond, R2 is optionally also CN, CF3, C2F5, C1-4 alkyl or C3-8 cycloalkyl, each of which C1-4 alkyl or C3-8 cycloalkyl is optionally substituted with from 1-3 hydroxy, halogen and C1-4 alkoxy; as well as compositions containing the same, useful in the treatment of, for example, neurological and psychological disorders characterized by corticotropin releasing factor (CRF) overexpression.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: July 8, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Rajagopal Bakthavatchalam, Richard G. Wilde, Paul J. Gilligan
  • Publication number: 20030114468
    Abstract: Corticotropin releasing factor (CRF) antagonists of formula (I): 1
    Type: Application
    Filed: November 7, 2001
    Publication date: June 19, 2003
    Inventors: Richard Gerald Wilde, Rajagopal Bakthavatchalam, James Peter Beck, Argyrios Georgios Arvanitis
  • Patent number: 6569861
    Abstract: Disclosed are compounds of the formula: and the pharmaceutically acceptable salts thereof wherein Q, X, Y, Z, and R1 R9, and R12-R19 are defined herein. These compounds are selective modulators of MCH 1 receptors that are, therefore, useful in the treatment of a variety of metabolic, feeding, and sexual disorders. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: May 27, 2003
    Assignee: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Andrew Thurkauf, Alan Hutchison
  • Patent number: 6566367
    Abstract: Substituted spiro[isobenzofuran-1,4′-piperidin]-3-ones and 3H-spiroisobenzofuran-1,4′-piperidines capable of modulating NPY5 receptor activity are provided. Such compounds may be used to modulate ligand binding to NPY5 receptors in vivo or in vitro, and are particularly useful in the treatment of a variety of disorders (e.g., eating disorders such as obesity or bulimia, psychiatric disorders, diabetes and cardiovascular disorders such as hypertension) in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for treating such disorders are provided, as are methods for using such compounds for detecting NPY5 receptors.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: May 20, 2003
    Assignees: Pfizer Inc., Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Charles A. Blum, Harry L. Brielmann, James William Darrow, Stéphane De Lombaert, Alan Hutchison, Jennifer Tran, Xiaozhang Zheng, Richard Louis Elliott, Marlys Hammond
  • Patent number: 6525056
    Abstract: Corticotropin releasing factor (CRF) antagonists of Formula (I): and their use in treating psychiatric disorders and neurological diseases, anxiety-related disorders, post-traumatic stress disorder, supranuclear palsy and feeding disorders as well as treatment of immunological, cardiovascular or heart-related diseases and colonic hypersensitivity associated with psychopathological disturbance and stress in mammals.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: February 25, 2003
    Assignee: Bristol-Myers Squibb Company
    Inventors: Argyrios G. Arvanitis, Paul J. Gilligan, James P. Beck, Rajagopal Bakthavatchalam
  • Publication number: 20030036652
    Abstract: Substituted spiro[isobenzofuran-1,4′-piperidin]-3-ones and 3H-spiroisobenzofuran-1,4′-piperidines capable of modulating NPY5 receptor activity are provided. Such compounds may be used to modulate ligand binding to NPY5 receptors in vivo or in vitro, and are particularly useful in the treatment of a variety of disorders (e.g., eating disorders such as obesity or bulimia, psychiatric disorders, diabetes and cardiovascular disorders such as hypertension) in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for treating such disorders are provided, as are methods for using such compounds for detecting NPY5 receptors.
    Type: Application
    Filed: December 11, 2001
    Publication date: February 20, 2003
    Applicant: NEUROGEN CORPORATION
    Inventors: Rajagopal Bakthavatchalam, Charles A. Blum, Harry L. Brielmann, James William Darrow, Stephane De Lombaert, Alan Hutchison, Jennifer Tran, Xiaozhang Zheng, Richard Louis Elliott, Marlys Hammond
  • Patent number: 6518271
    Abstract: Corticotropin releasing factor (CRF) antagonists of formula I: and their use in treating anxiety, depression, and other psychiatric, neurological disorders as well as treatment of immunological, cardiovascular or heart-related diseases and colonic hypersensitivity associated with psychopathological disturbance and stress.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: February 11, 2003
    Assignee: Bristol-Myers Squibb Company
    Inventors: Paul Joseph Gilligan, Rajagopal Bakthavatchalam
  • Publication number: 20020132853
    Abstract: Disclosed are diaryl piperazines and related compounds. These compounds are selective modulators of capsaicin receptors, including human capsaicin receptors, that are, therefore, useful in the treatment of a chronic and acute pain conditions, itch and urinary incontinence. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also provided. Compounds of the invention are also useful as probes for the localization of capsaicin receptors and as standards in assays for capsaicin receptor binding and capsaicin receptor mediated cation conductance. Methods of using the compounds in receptor localization studies are given.
    Type: Application
    Filed: July 20, 2001
    Publication date: September 19, 2002
    Inventors: Rajagopal Bakthavatchalam, Alan Hutchison, Robert W. DeSimone, Kevin J. Hodgetts, James E. Krause, Geoffrey G. White
  • Patent number: 6448261
    Abstract: Corticotropin releasing factor (CRF) antagonists of formula I; and their use in treating anxiety, depression, and other psychiatric and neurological disorders.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: September 10, 2002
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Rajagopal Bakthavatchalam, Argyrios Georgios Arvanitis, James Peter Beck, Gary Avonn Cain, Robert John Chorvat, Paul Joseph Gilligan, Richard Eric Olson
  • Publication number: 20020052383
    Abstract: Disclosed are compounds of the formula: 1
    Type: Application
    Filed: July 6, 2001
    Publication date: May 2, 2002
    Inventors: Rajagopal Bakthavatchalam, Andrew Thurkauf, Alan Hutchison
  • Publication number: 20020049208
    Abstract: Provided herein are imidazo[1,2-a]pyrazines of the Formula (I): 1
    Type: Application
    Filed: July 13, 2001
    Publication date: April 25, 2002
    Inventors: Rajagopal Bakthavatchalam, Richard G. Wilde, Paul J. Gilligan