Patents by Inventor Ying-Zi Xu

Ying-Zi Xu 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: 20230303556
    Abstract: Provided herein are compounds of Formula (I): or a pharmaceutically acceptable salt thereof. The provided compounds are useful Poly ADP-ribose glycohydrolase (PARG) inhibitors. Additional utilities and advantages are described herein.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 28, 2023
    Inventors: Paul A. BARSANTI, Michael Patrick DILLON, Firoz Ali JAIPURI, Ying-Zi XU, Xin LINGHU, Monah ABED
  • Patent number: 9493485
    Abstract: Compounds are provided having a structure according to Formula (I): wherein A1, A2, A3, Y, R1, R2, R3, R4, R5, R6, m, n and p are defined herein. Further provided are pharmaceutical compositions including the compounds provided and methods of making and using the compounds and compositions as provided, e.g., in the treatment and prevention of various disorders, such as Alzheimer's disease.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: November 15, 2016
    Assignee: Imago Pharmaceuticals, Inc.
    Inventors: Ying-Zi Xu, Dean R. Artis, Simeon Bowers, Roy K. Hom, Hing L. Sham, Shendong Yuan
  • Publication number: 20160272654
    Abstract: Compounds are provided having a structure according to Formula (I): wherein A1, A2, A3, Y, R1, R2, R3, R4, R5, R6, m, n and p are defined herein. Further provided are pharmaceutical compositions including the compounds provided and methods of making and using the compounds and compositions as provided, e.g., in the treatment and prevention of various disorders, such as Alzheimer's disease.
    Type: Application
    Filed: June 1, 2016
    Publication date: September 22, 2016
    Applicant: IMAGO PHARMACEUTICALS, INC.
    Inventors: Ying-Zi XU, Dean R. Artis, Simeon Bowers, Roy K. Hom, Hing L. Sham, Shendong Yuan
  • Publication number: 20150307518
    Abstract: Compounds are provided having a structure according to Formula (I): wherein A1, A2, A3, Y, R1, R2, R3, R4, R5, R6, m, n and p are defined herein. Further provided are pharmaceutical compositions including the compounds provided and methods of making and using the compounds and compositions as provided, e.g., in the treatment and prevention of various disorders, such as Alzheimer's disease.
    Type: Application
    Filed: March 20, 2013
    Publication date: October 29, 2015
    Inventors: Ying-Zi Xu, Dean R. Arlis, Simeon Bowers, Roy K. Hom, Hing L. Sham, Shendong Yuan
  • Publication number: 20150087825
    Abstract: Compounds are provided having a structure according to Formula (I): wherein A1, A2, A3, Y, R1, R2, R3, R4, R5, R6, m, n and p are defined herein. Further provided are pharmaceutical compositions including the compounds provided and methods of making and using the compounds and compositions as provided, e.g., in the treatment and prevention of various disorders, such as Alzheimer's disease.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 26, 2015
    Inventors: Ying-Zi Xu, Dean R. Artis, Simeon Bowers, Roy K. Hom, Hing L. Sham, Shendong Yuan
  • Publication number: 20150087826
    Abstract: Compounds are provided having a structure according to Formula (I): wherein A1, A2, A3, Y, R1, R2, R3, R4, R5, R6, m, n and p are defined herein. Further provided are pharmaceutical compositions including the compounds provided and methods of making and using the compounds and compositions as provided, e.g., in the treatment and prevention of various disorders, such as Alzheimer's disease.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 26, 2015
    Inventors: Ying-Zi Xu, Dean R. Artis, Simeon Bowers, Roy K. Hom, Hing L. Sham, Shendong Yuan
  • Publication number: 20130252957
    Abstract: The present invention provides compounds that are alpha4 integrin antagonists having a structure according to the following formula: or a tautomer, mixture of tautomers, salt or solvate thereof, wherein Cy, ring A, m, n, p, R1, R2, R3, R4, R5 and R6 are defined in the specification. The invention further provides pharmaceutical compositions including the compounds of the invention as well as methods of making and using the compounds and compositions of the invention, e.g., in the treatment and prevention of various conditions and disorders, such as Crohn's disease and ulcerative colitis.
    Type: Application
    Filed: December 28, 2012
    Publication date: September 26, 2013
    Applicant: ELAN PHARMACEUTICALS, INC.
    Inventors: Ying-Zi Xu, Shendong Yuan, David Wone, Andrei Konradi
  • Patent number: 8367836
    Abstract: The present invention provides compounds that are alpha4 integrin antagonists having a structure according to the following formula: or a tautomer, mixture of tautomers, salt or solvate thereof, wherein Cy, ring A, m, n, p, R1, R2, R3, R4, R5 and R6 are defined in the specification. The invention further provides pharmaceutical compositions including the compounds of the invention as well as methods of making and using the compounds and compositions of the invention, e.g., in the treatment and prevention of various conditions and disorders, such as Crohn's disease and ulcerative colitis.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: February 5, 2013
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Ying-zi Xu, Shendong Yuan, David Wone, Andrei Konradi
  • Patent number: 8367688
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: February 5, 2013
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Christopher Michael Semko, Ying-zi Xu, Frank Stappenbeck, Jenifer Lea Smith, Kassandra Inez Rossiter, Juri Y. Fukuda, Andrei W. Konradi
  • Patent number: 8158642
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: April 17, 2012
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Christopher Michael Semko, Ying-zi Xu, Frank Stappenbeck, Jenifer Lea Smith, Kassandra Inez Rossiter, Juri Y. Fukuda, Andrei W. Konradi
  • Patent number: 8030328
    Abstract: Disclosed are compounds of the formula: and the pharmaceutically acceptable salts thereof wherein the variables A, n, R5, R21-R24 and Q are defined herein. These compounds bind VLA-4. Certain of these compound also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: October 4, 2011
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Frank Stappenbeck, Andrei Konradi, Jacek Jagodzinski, Christopher M. Semko, Ying-zi Xu, Jenifer L. Smith, Kassandra Rossiter
  • Patent number: 7973044
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: July 5, 2011
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Susan Ashwell, Gregory S. Welmaker, Anthony Kreft, Dimitrios Sarantakis, Darren B. Dressen, Francine S. Grant, Christopher Semko, Ying-Zi Xu
  • Patent number: 7968547
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: June 28, 2011
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Darren B. Dressen, Francine S. Grant, Christopher Semko, Ying-Zi Xu, Susan Ashwell, Gregory S. Welmaker, Anthony Kreft, Dimitrios Sarantakis
  • Publication number: 20110009407
    Abstract: The present invention provides compounds that are alpha4 integrin antagonists having a structure according to the following formula: or a tautomer, mixture of tautomers, salt or solvate thereof, wherein Cy, ring A, m, n, p, R1, R2, R3, R4, R5 and R6 are defined in the specification. The invention further provides pharmaceutical compositions including the compounds of the invention as well as methods of making and using the compounds and compositions of the invention, e.g., in the treatment and prevention of various conditions and disorders, such as Crohn's disease and ulcerative colitis.
    Type: Application
    Filed: April 27, 2010
    Publication date: January 13, 2011
    Inventors: Ying-Zi Xu, Shendong Yuan, David Wone, Andrei Konradi
  • Publication number: 20110003802
    Abstract: The invention provides N-cyclic sulfonamido compounds and salts of Formula I: wherein A is as described in the specification and R1 and R2 combine to form a [3.3.1] or a [3.2.1] ring system, where the nitrogen is attached to the two bridgehead carbons, and the [3.3.1] or [3.2.1] ring systems are optionally fused with an heteroaryl or heterocycloalkyl ring. Compounds of Formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's Disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of treating cognitive disorders, such as Alzheimer's disease, and the intermediates useful in preparing the compounds of Formula I.
    Type: Application
    Filed: July 6, 2010
    Publication date: January 6, 2011
    Applicant: Elan Pharmaceuticals, Inc.
    Inventors: Simeon Bowers, Albert W. Garofalo, Roy K. Hom, Andrei W. Konradi, Matthew N. Mattson, Martin L. Neitzel, Christopher M. Semko, Anh P. Truong, Jing Wu, Ying-zi Xu
  • Patent number: 7820687
    Abstract: Disclosed are compounds, which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a human or animal subject such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, Crohn's disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: October 26, 2010
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Jenifer Smith, Chris Semko, Ying-Zi Xu, Andrei W. Konradi
  • Publication number: 20100267747
    Abstract: The invention provides N-cyclic sulfonamido compounds of Formula I wherein A, B, R1, R1a, R2, R2a, R3 and R3a are as described in the specification. Compounds of Formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of preparing compounds of formula I, and methods of treating cognitive disorders, such as Alzheimer's disease.
    Type: Application
    Filed: June 8, 2010
    Publication date: October 21, 2010
    Applicant: Elan Pharmaceuticals, Inc.
    Inventors: Xiaocong Michael Ye, Albert W. Garofalo, Jacek J. Jagodzinski, Andrei W. Konradi, Christopher M. Semko, Jenifer L. Smith, Ying-zi Xu
  • Publication number: 20100261715
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: April 13, 2010
    Publication date: October 14, 2010
    Inventors: Christopher Michael Semko, Ying-zi Xu, Frank Stappenbeck, Jenifer Lea Smith, Kassandra Inez Rossiter, Juri Y. Fukuda, Andrei W. Konradi
  • Patent number: 7763632
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a human or animal subject such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: July 27, 2010
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Christopher Michael Semko, Ying-zi Xu, Frank Stappenbeck, Jenifer Lea Smith, Kassandra Inez Rossiter, Juri Y. Fukuda, Andrei W. Konradi
  • Patent number: 7754712
    Abstract: The invention provides N-cyclic sulfonamido compounds and salts of Formula I: wherein A is as described in the specification and R1 and R2 combine to form a [3.3.1] or a [3.2.1] ring system, where the nitrogen is attached to the two bridgehead carbons, and the [3.3.1] or [3.2.1] ring systems are optionally fused with an heteroaryl or heterocycloalkyl ring. Compounds of Formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's Disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of treating cognitive disorders, such as Alzheimer's disease, and the intermediates useful in preparing the compounds of Formula I.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: July 13, 2010
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Simeon Bowers, Albert W. Garofalo, Roy K. Hom, Andrei W. Konradi, Matthew N. Mattson, Martin L. Neitzel, Christopher M. Semko, Anh P. Truong, Jing Wu, Ying-zi Xu