Patents by Inventor Xiao-shu He

Xiao-shu He 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).

  • Patent number: 8119665
    Abstract: The invention provides packaged pharmaceutical preparations of Aryl substituted imidazoles, pyrazoles, pyridizines and related compounds of the Formula where the variables are defined herein. Such compounds are ligands of C5a receptors. Preferred compounds of the invention act bind to C5a receptors with high affinity and exhibit neutral antagonist or inverse agonist activity at C5a receptors. This invention also relates to pharmaceutical compositions comprising such compounds. It further relates to the use of such compounds in treating a variety of inflammatory and immune system disorders.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: February 21, 2012
    Assignee: Novartis International Pharmaceutical Ltd.
    Inventors: George P. Luke, George D. Maynard, Scott Mitchell, Andrew Thurkauf, Linghong Xie, LuYan Zhang, Suoming Zhang, He Zhao, Bertrand L. Chenard, Yang Gao, Bingsong Han, Xiao Shu He
  • Patent number: 7271270
    Abstract: This invention relates to low molecular weight, non-peptidic, non-peptidomimetic, organic molecules that act as modulators of mammalian complement C5a receptors, preferably ones that act as high affinity C5a receptor ligands and also to such ligands that act as antagonists or inverse agonists of complement C5a receptors. Preferred compounds of the invention possess some or all of the following properties in that they are: 1) multi-aryl in structure, 2) heteroaryl in structure, 3) a pharmaceutically acceptable oral dose can provide a detectable in vitro effect, 4) comprise fewer than four or preferably no amide bonds, and 5) capable of inhibiting leukocyte chemotaxis at nanomolar or sub-nanomolar concentrations. This invention also relates to pharmaceutical compositions comprising such compounds and the use of such compounds in treating a variety of inflammatory and immune system disorders. Additionally, this invention relates to the use such compounds as probes for the localization of C5a receptors.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: September 18, 2007
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Xiao-shu He, He Zhao
  • Patent number: 7241765
    Abstract: Melanin concentrating hormone receptor ligands (especially 1-benzyl-4-aryl-piperazines, 1-benzyl-4-aryl-piperidines and related compounds), 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: Grant
    Filed: May 17, 2006
    Date of Patent: July 10, 2007
    Assignee: Neurogen Corporation
    Inventors: Alan J. Hutchison, Linda M. Gustavson, John M. Peterson, Dario Doller, Timothy M. Caldwell, Taeyoung Yoon, Wallace C. Pringle, Rajagopal Bakthavatchalam, Yiping Shen, Cheryl K. Steenstra, Helen Yin, Robert W. DeSimone, Xiao-shu He
  • Publication number: 20070027158
    Abstract: This invention relates to low molecular weight, non-peptidic, non-peptidomimetic, organic molecules that act as modulators of mammalian complement C5a receptors, preferably ones that act as high affinity C5a receptor ligands and also to such ligands that act as antagonists or inverse agonists of complement C5a receptors. Preferred compounds of the invention possess some or all of the following properties in that they are: 1) multi-aryl in structure, 2) heteroaryl in structure, 3) a pharmaceutically acceptable oral dose can provide a detectable in vitro effect, 4) comprise fewer than four or preferably no amide bonds, and 5) capable of inhibiting leukocyte chemotaxis at nanomolar or sub-nanomolar concentrations. This invention also relates to pharmaceutical compositions comprising such compounds and the use of such compounds in treating a variety of inflammatory and immune system disorders. Additionally, this invention relates to the use such compounds as probes for the localization of C5a receptors.
    Type: Application
    Filed: May 24, 2004
    Publication date: February 1, 2007
    Inventors: Andrew Thurkauf, Xiao-shu He, He Zhao
  • Publication number: 20060229298
    Abstract: Melanin concentrating hormone receptor ligands (especially 1-benzyl-4-aryl-piperazines, 1-benzyl-4-aryl-piperidines and related compounds), 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: May 17, 2006
    Publication date: October 12, 2006
    Inventors: Alan Hutchison, Linda Gustavson, John Peterson, Dario Dollar, Timothy Caldwell, Taeyoung Yoon, Wallace Pringle, Rajagopal Bakthavatchalam, Yiping Shen, Cheryl Steenstra, Helen Yin, Robert DeSimone, Xiao-shu He
  • Patent number: 6884815
    Abstract: This invention relates to low molecular weight, non-peptidic, non-peptidomimetic, organic molecules that act as modulators of mammalian complement C5a receptors, preferably ones that act as high affinity C5a receptor ligands and also to such ligands that act as antagonists or inverse agonists of complement C5a receptors. Preferred compounds of the invention possess some or all of the following properties in that they are: 1) multi-aryl in structure, 2) heteroaryl in structure, 3) a pharmaceutically acceptable oral dose can provide a detectable in vitro effect, 4) comprise fewer than four or preferably no amide bonds, and 5) capable of inhibiting leukocyte chemotaxis at nanomolar or sub-nanomolar concentrations. This invention also relates to pharmaceutical compositions comprising such compounds and the use of such compounds in treating a variety of inflammatory and immune system disorders. Additionally, this invention relates to the use such compounds as probes for the localization of C5a receptors.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: April 26, 2005
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Xiao-shu He, He Zhao, John Peterson, Xiaoyan Zhang, Robbin Brodbeck, James Krause, George Maynard, Alan Hutchison
  • Publication number: 20050065162
    Abstract: Melanin concentrating hormone receptor ligands (especially 1-benzyl-4-aryl-piperazines, 1-benzyl-4-aryl-piperidines and related compounds), 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: May 21, 2002
    Publication date: March 24, 2005
    Inventors: Alan Hutchison, Linda Gustavson, John Peterson, Dario Doller, Timothy Caldwell, Taeyoung Yoon, Wallace Pringle, Yiping Shen, Cheryl Steenstra, Helen Yin, Xiao-shu He
  • Publication number: 20040116424
    Abstract: The invention provides Aryl substituted imidazoles, pyrazoles, pyridizines and related compounds of the Formula 1
    Type: Application
    Filed: March 28, 2003
    Publication date: June 17, 2004
    Applicant: Neurogen Corporation
    Inventors: George P. Luke, George D. Maynard, Scott Mitchell, Andrew Thurkauf, Linghong Xie, LuYan Zhang, Suoming Zhang, He Zhao, Bertrand L. Chenard, Yang Gao, Bingsong Han, Xiao Shu He
  • Patent number: 6723743
    Abstract: This invention relates to low molecular weight, non-peptidic, non-peptidomimetic, organic molecules that act as modulators of mammalian complement C5a receptors, preferably ones that act as high affinity C5a receptor ligands and also to such ligands that act as antagonists or inverse agonists of complement C5a receptors, preferably human C5a receptors, Preferred compounds of the invention possess one or more, and preferably two or more, three or more, four or more, or all of the following properties in that they are; 1) multi-aryl in structure (having a plurality of un-fused or fused aryl groups), 2) heteroaryl in structure, 3) orally available in vivo (such that a sub-lethal or preferably a pharmaceutically acceptable oral dose can provide a detectable in vitro effect such as a reduction of C5a-induced neutropenia), 4) comprised of fewer than four, preferably fewer than three, or fewer than two, or no amide bonds, and 5) capable of inhibiting leukocyte chemotaxis at nanomolar concentrations and preferably at
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: April 20, 2004
    Assignee: Neurogen Corporation
    Inventors: Andrew Thurkauf, Xiao-shu He, He Zhao, John Peterson, Xiaoyan Zhang, Robbin Brodbeck, James Krause, George Maynard, Alan Hutchison
  • Publication number: 20030229076
    Abstract: Disclosed are compounds of the formula: 1
    Type: Application
    Filed: September 16, 2002
    Publication date: December 11, 2003
    Inventors: Stanislaw Rachwal, Alan Hutchison, Kenneth Shaw, George D. Maynard, Xiao-Shu He, Robert DeSimone, Kevin Hodgetts
  • Patent number: 6656930
    Abstract: Certain aralkyl diazabicycloalkyl compounds are disclosed for treatment of CNS disorders, such as cerebral ischemia, psychosis, and convulsions.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: December 2, 2003
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Wayne D Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
  • Patent number: 6613901
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable salts thereof wherein: R1, R2, and R3 are as defined herein; R6 is hydrogen or C1-C6 alkyl; and Q represents a substituted azacycloalkylalkyl group, which compounds are useful in treating psychotic disorders such as schizophrenia and other central nervous system diseases.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: September 2, 2003
    Assignee: Neurogen Corporation
    Inventor: Xiao-Shu He
  • Patent number: 6509366
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable non-toxic salts thereof wherein Y, R1, R2, R3, R4, R5, R6, R7 R7′ are variables defined herein, which compounds are modulators of Bradykinin B2 receptors. These compounds are therefore useful in the diagnosis and treatment of renal diseases, heart failure, hypertension, Meniere's disease, vaginal inflammation and pain, peripheral circulatory disorders, climacteric disturbance, retinochoroidal circulatory disorders, myocardial ischemia, myocardial infarction, postmyocardial infarction syndrome, angina pectoris, restenosis after percutaneous transluminal coronary angioplasty, hepatitis, liver cirrhosis, pancreatitis, ileus, diabetes, diabetic complications, male infertility, glaucoma, pain, asthma, and rhinitis, and for the increase of permeability of the blood-brain barrier or the blood-brain-tumor barrier.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: January 21, 2003
    Assignee: Neurogen Corporation
    Inventors: Stanislaw Rachwal, Alan Hutchison, Kenneth Shaw, George D. Maynard, Xiao-shu He, Robert DeSimone, Kevin Hodgetts
  • Patent number: 6482844
    Abstract: Provided are compounds (and pharmaceutically acceptable non-toxic salt of such compounds) of the formula: in which A and B are C1-C3 alkylene; R1 is C1-C6 alkyl; R2 and R3 are hydrogen or C1-C6 alkyl; U and V are C1-C6 alkyl or halogen; X, Y and Z are hydrogen, C1-C6 alkyl, trifluoromethyl, C1-C6 alkoxy, trifluoromethoxy, halogen, or cyano; and W represents up to three substituents which are C1-C6 alkyl, trifluoromethyl, C1-C6 alkoxy, trifluoromethoxy, halogen, hydroxy, amino, or cyano. These compounds act as modulators of blood glucose levels and are useful for the treatment of diabetes, eating disorders, and obesity. Pharmaceutical compositions and methods of use of the compounds as pharmaceutical agents are also provided.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: November 19, 2002
    Assignee: Neurogen Corporation
    Inventors: Xiao-Shu He, Xiaoyan Zhang, He Zhao, Robert DeSimone, Andrew Thurkauf
  • Publication number: 20020143019
    Abstract: A compound of formula (IA) or the pharmaceutically acceptable acid addition salts thereof wherein: R1, R2, R3, R4 and R5 are the same or different and represent hydrogen, halogen, C1-C6alkyl, C1-C4-alkoxy, C1-C4akylthio, hydroxy, 1 amino, mono(C1-C6) alkylamino, di(C1-C6)alkylamino, cyano, nitro, trifluoromethyl or trifluoromethoxy; R6 is hydrogen or C1-C6alkyl; W is nitrogen, COH, or CH; Y and Z independently represent nitrogen or CH; and A represents an alkylene group of from 2-5 carbon atoms optionally substituted with one or more alkyl groups having from one to four carbon atoms. The compounds of the invention demonstrate high affinity and selectivity in binding to the D4 receptor subtype.
    Type: Application
    Filed: October 23, 2001
    Publication date: October 3, 2002
    Applicant: Neurogen Corporation
    Inventor: Xiao-shu He
  • Patent number: 6441175
    Abstract: Disclosed are compounds of the formula or the pharmaceutically acceptable salts thereof wherein the variables R5, R11, R12, R13, R1, R11, Ar, n, m and L are defined herein. These compounds are useful in treating various neuropsychochological disorders including, for example, schizophrenia, dementia, depression, anxiety, Parkinson-like motor disorders and motion disorders related to the use of neuroleptic agents affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism. Furthermore, compounds of this invention may be useful in treating the extrapyramidyl side effects associated with the use of conventional neuroleptic agents. The interaction of 1-(N′-(arylalkylaminoalkyl))aminoisoindole derivatives of the invention with dopamine receptor subtypes is described. This interaction results in the pharmacological activities of these compounds.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: August 27, 2002
    Assignee: Neurogen Corporation
    Inventors: Xiao-shu He, Brian de Costa, Jan W. F. Wasley
  • Publication number: 20020115693
    Abstract: Disclosed are compounds of the formula: 1
    Type: Application
    Filed: January 17, 2001
    Publication date: August 22, 2002
    Inventors: Stanislaw Rachwal, Alan Hutchison, Kenneth Shaw, George D. Maynard, Xiao-shu He, Robert DeSimone, Kevin J. Hodgetts
  • Patent number: 6432946
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable acid addition salts thereof, wherein: Ar represents aryl or heteroaryl; R1 and R2 are the same or different and represent organic or inorganic substituents; R5 is hydrogen or C1-C6 alkyl; W represents CH or nitrogen; X is oxygen or sulfur; and A represents an alkylene group, which compounds bind selectively with high affinity to the dopamine D4 receptor subtype and are therefore of use in treatment of various neuropsychological disorders.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: August 13, 2002
    Assignee: Neurogen corporation
    Inventor: Xiao-shu He
  • Patent number: 6432958
    Abstract: Disclosed are compounds of the formula: or pharmaceutically acceptable salts thereof, wherein: A is (un)substituted alkylene; R1 and R2 are the same or different and represent hydrogen, halogen, alkyl, alkoxy, alkylthio, hydroxy, (un)substituted amino, cyano, nitro, sulfonamide, trifluoromethyl or trifluoromethoxy; R3, R4, R5, R6, and R8 are independently hydrogen or alkyl; and X is sulfur, oxygen or NR7 where R8 is defined herein; m is an integer chosen from 0, 1 or 2; and Ar is an aryl or heteroaryl group as further defined herein, which compounds are useful for the treatment and/or prevention of neuropsychological disorders including, but not limited to, schizophrenia, mania, dementia, depression, anxiety, compulsive behavior, substance abuse, Parkinson-like motor disorders and motion disorders related to the use of neuroleptic agents.
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: August 13, 2002
    Assignee: Neurogen Corporation
    Inventor: Xiao Shu He
  • Publication number: 20020058666
    Abstract: Disclosed are compounds of the formula: 1
    Type: Application
    Filed: August 29, 2001
    Publication date: May 16, 2002
    Applicant: Neurogen Corporation
    Inventor: Xiao Shu He