Patents by Inventor Xiaozhang Zheng

Xiaozhang Zheng 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: 20070161637
    Abstract: Substituted pyridin-2-ylamine analogues are provided, of the formula: wherein variables are as described herein. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using such compounds to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: July 22, 2004
    Publication date: July 12, 2007
    Applicant: Neurogen Corporation
    Inventors: Rajagopal Bankthavatchalam, James Darrow, Stephane De Lombaert, Xiaozhang Zheng
  • Publication number: 20070043049
    Abstract: Substituted heterocyclic diarylamine analogues of Formula I are provided: wherein X, Y and Z are independently N or optionally substituted C, and other variables are as described in the specification. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: July 9, 2004
    Publication date: February 22, 2007
    Applicant: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Kevin Hodgetts, Alan Hutchison, Robert Ohliger, Taeyoung Yoon, Xiaozhang Zheng
  • Publication number: 20070027155
    Abstract: Biaryl piperazinyl-pyridine analogues are provided, of the Formula: wherein variables are as described herein. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using such compounds to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: July 16, 2004
    Publication date: February 1, 2007
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, Bertrand Chenard, Stephane De Lombaert, Kevin Hodgetts, Alan Hutchison, Taeyoung Yoon, Xiaozhang Zheng
  • Publication number: 20060194805
    Abstract: Capsaicin receptor agonists are provided. Such compounds are ligands that may be used to modulate VR1 activity in vivo or in vitro, and are particularly useful in the treatment of conditions responsive to capsaicin receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: April 26, 2006
    Publication date: August 31, 2006
    Applicant: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, Timothy Caldwell, Daniel Cortright, Kevin Hodgetts, John Peterson, Xiaozhang Zheng
  • Publication number: 20060173003
    Abstract: Substituted quinazolin-4-ylamine analogues are provided. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: February 1, 2006
    Publication date: August 3, 2006
    Applicant: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, Timothy Caldwell, Stephane De Lombaert, Kevin Hodgetts, Xiaozhang Zheng, James Krause, Uri Herzberg
  • Patent number: 7074799
    Abstract: Substituted quinazolin-4-ylamine analogues are provided. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: July 11, 2006
    Assignee: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Charles A. Blum, Harry Brielmann, Timothy M. Caldwell, Stephane De Lombaert, Kevin J. Hodgetts, Xiaozhang Zheng
  • Publication number: 20060122394
    Abstract: Substituted biaryl piperazinyl-pyridine analogues are provided, of the Formula: wherein variables are as described herein. Such compounds are ligands that may be used to modulate specific receptors activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using such compounds to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: August 13, 2005
    Publication date: June 8, 2006
    Inventors: Charles Blum, Harry Brielmann, Bertrand Chenard, Xiaozhang Zheng
  • Publication number: 20060100245
    Abstract: Substituted biphenyl-4-carboxylic acid arylamide analogues capable of modulating receptor activity, are provided. Such ligands may be used to modulate receptor activity in vivo or in vitro, and are particularly useful in the treatment of pain and other conditions associated with receptor activation 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 receptor localization studies.
    Type: Application
    Filed: December 19, 2003
    Publication date: May 11, 2006
    Applicant: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, James Darrow, Stephane DeLombaert, Taeyoung Yoon, Xiaozhang Zheng
  • Publication number: 20060089354
    Abstract: Acid-substituted quinazolin-4-ylamine analogues are provided. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: December 12, 2003
    Publication date: April 27, 2006
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, Timothy Caldwell, Stephane DeLombaert, Kevin Hodgetts, Xiaozhang Zheng
  • Patent number: 7034034
    Abstract: Substituted 2-cyclohexyl-4-phenyl-1H-imidazole derivatives capable of modulating NPY5 receptor activity, are provided. Such compounds may be used to modulate NPY 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: October 21, 2002
    Date of Patent: April 25, 2006
    Assignee: Neurogen Corporation
    Inventors: Charles A. Blum, Harry L. Brielmann, Stephane De Lombaert, Xiaozhang Zheng
  • Publication number: 20060040964
    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: July 18, 2005
    Publication date: February 23, 2006
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, James Darrow, Stephane De Lombaert, Alan Hutchison, Jennifer Tran, Xiaozhang Zheng, Richard Elliott, Marlys Hammond
  • Publication number: 20050215575
    Abstract: Substituted (7-pyridyl-4-phenylamino-quinazolin-2-yl)-methanol analogues are provided. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: July 16, 2004
    Publication date: September 29, 2005
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, Stephane De Lombaert, Xiaozhang Zheng
  • Patent number: 6943199
    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: April 9, 2003
    Date of Patent: September 13, 2005
    Assignee: Neurogen Corporation
    Inventors: Stéphane De Lombaert, Alan Hutchison, Xiaozhang Zheng
  • Publication number: 20050033048
    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 method 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 10, 2005
    Inventors: Rajagopal Bakthavatchalam, Charles Blum, Harry Brielmann, James Darrow, Stephane De Lombaert, Alan Hutchison, Jennifer Tran, Xiaozhang Zheng, Richard Elliott, Marlys Hammond
  • Publication number: 20040156869
    Abstract: 1 Certain 2-substituted quinazolin-4-ylamine analogues are provided. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: December 12, 2003
    Publication date: August 12, 2004
    Applicant: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Charles A. Blum, Harry Brielmann, Timothy M. Caldwell, Stephane De Lombaert, Kevin J. Hodgetts, Xiaozhang Zheng
  • Publication number: 20040106616
    Abstract: Substituted quinazolin-4-ylamine analogues are provided. Such compounds are ligands that may be used to modulate specific receptor activity in vivo or in vitro, and are particularly useful in the treatment of conditions associated with pathological receptor activation in humans, domesticated companion animals and livestock animals. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies.
    Type: Application
    Filed: January 21, 2003
    Publication date: June 3, 2004
    Inventors: Rajagopal Bakthavatchalam, Charles A. Blum, Harry Brielmann, Timothy M. Caldwell, Stephane De Lombaert, Kevin J. Hodgetts, Taeyoung Yoon, Xiaozhang Zheng
  • 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: 20030144290
    Abstract: Substituted 2-cyclohexyl-4-phenyl-1H-imidazole derivatives capable of modulating NPY5 receptor activity, are provided. Such compounds may be used to modulate NPY 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: October 21, 2002
    Publication date: July 31, 2003
    Applicant: NEUROGEN CORPORATION
    Inventors: Charles A. Blum, Harry L. Brielmann, Stephane De Lombaert, Xiaozhang Zheng
  • 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
  • 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