Patents by Inventor Mike Tu

Mike Tu 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: 20240336572
    Abstract: The invention relates to substituted indazole propionic acid derivatives, pharmaceutically acceptable salts, tautomers, or pharmaceutically acceptable salts of the tautomers thereof that can activate adenosine 5?-monophosphate-activated protein kinase (AMPK). The invention further relates to pharmaceutical compositions comprising AMPK-activating substituted indazole propionic acid derivatives, pharmaceutically acceptable salts, tautomers, or pharmaceutically acceptable salts of the tautomers thereof and at least one pharmaceutically acceptable excipient, and methods of treating a condition comprising administering AMPK-activating substituted indazole propionic acid derivatives, pharmaceutically acceptable salts, tautomers, or pharmaceutically acceptable salts of the tautomers thereof.
    Type: Application
    Filed: April 4, 2024
    Publication date: October 10, 2024
    Applicant: Pfizer Inc.
    Inventors: Samit Kumar Bhattacharya, Edward Lee Conn, David Christopher Ebner, Brian Stephen Gerstenberger, Chan Woo Huh, Daniel Wei-Shung Kung, Alan Martin Mathiowetz, Jessica Gloria Katherine O'Brien, Meihua Mike Tu, Kimberly O'Keefe Cameron, Dilinie Prasadhini Fernando, Kevin James Filipski, Esther Cheng Yin Lee, Sarah Jane Mear, Aaron Christopher Smith
  • Publication number: 20240182468
    Abstract: Described herein are compounds of Formula I, wherein the variables are defined herein, their use as activators from AMPK, pharmaceutical compositions containing such compounds and their use to treat, for example, heart failure or peripheral vascular disease.
    Type: Application
    Filed: October 11, 2023
    Publication date: June 6, 2024
    Inventors: GARY ERIK ASPNES, CHRISTOPHER RYAN BUTLER, MATTHEW FRANK PAUL CALABRESE, KIMBERLY O'KEEFE CAMERON, JOHN MARION CURTO, MICHAEL ERIC GREEN, XINJUN HOU, SHENPING LIU, CHRISTOPHER LEE MCCLENDON, JOHN CHARLES MURRAY, ADVAITA PANCHAGNULA, COLIN RICHARD ROSE, KYLE THOMAS TARANTINO, MEIHUA MIKE TU, RAYOMAND JAL UNWALLA, JOSEPH SCOTT WARMUS, JUN XIAO, QINGYI YANG, LEI ZHANG
  • Publication number: 20220184041
    Abstract: This application includes a compound of Formula I or a pharmaceutically acceptable salt thereof; wherein the variables R1a, R1b, R2, R3, X, Y and Z are as defined herein, pharmaceutical compositions comprising the compounds of Formula I and methods of treatment comprising administering to a patient in need thereof a compound of Formula I for the treatment of transthyretin amyloidosis and diseases related thereto.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 16, 2022
    Applicant: Pfizer Inc.
    Inventors: Shawn Cabral, Daniel Paul Canterbury, Robert Lee Dow, Andrew Fensome, Magdalena Korczynska, Sophie Yvette Lavergne, Allyn Timothy Londregan, Vincent Mascitti, David Walter Piotrowski, Andre Shavnya, Meihua Mike Tu, Tao Wang, Hanna Maria Wisniewska
  • Publication number: 20160362392
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: August 26, 2016
    Publication date: December 15, 2016
    Applicant: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 9452999
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: September 27, 2016
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 9394285
    Abstract: The present invention relates to indole and indazole compounds of Formula (I) that activate 5? adenosine monophosphate-activated protein kinase (AMPK). The invention also encompasses pharmaceutical compositions containing these compounds and methods for treating or preventing diseases, conditions, or disorders ameliorated by activation of AMPK.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: July 19, 2016
    Assignee: Pfizer Inc.
    Inventors: Samit Kumar Bhattacharya, Kimberly O'Keefe Cameron, Matthew Scott Dowling, David Christopher Ebner, David James Edmonds, Dilinie Prasadhini Fernando, Kevin James Filipski, Daniel Wei-Shung Kung, Esther Cheng Yin Lee, Aaron Christopher Smith, Meihua Mike Tu
  • Publication number: 20160016940
    Abstract: The present invention relates to indole and indazole compounds of Formula (I) that activate 5? adenosine monophosphate-activated protein kinase (AMPK). The invention also encompasses pharmaceutical compositions containing these compounds and methods for treating or preventing diseases, conditions, or disorders ameliorated by activation of AMPK.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 21, 2016
    Applicant: Pfizer, Inc.
    Inventors: Samit Kumar Bhattacharya, Kimberly O'Keefe Cameron, Matthew Scott Dowling, David Christopher Ebner, David James Edmonds, Dilinie Prasadhini Fernando, Kevin James Filipski, Daniel Wei-Shung Kung, Esther Cheng Yin Lee, Aaron Christopher Smith, Meihua Mike Tu
  • Publication number: 20150266861
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: June 5, 2015
    Publication date: September 24, 2015
    Applicant: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Publication number: 20150266859
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: June 4, 2015
    Publication date: September 24, 2015
    Applicant: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 9073871
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: July 7, 2015
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 9056834
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: June 16, 2015
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Publication number: 20150094338
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: December 5, 2014
    Publication date: April 2, 2015
    Applicant: PFIZER INC.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 8933104
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: January 13, 2015
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Publication number: 20140371467
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: August 28, 2014
    Publication date: December 18, 2014
    Applicant: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Publication number: 20140329862
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: July 18, 2014
    Publication date: November 6, 2014
    Applicant: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 8859591
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: October 14, 2014
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 8809342
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: August 19, 2014
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Publication number: 20130296355
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: July 3, 2013
    Publication date: November 7, 2013
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 8507533
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, A1, A2, A3, A4, L, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: August 13, 2013
    Assignee: Pfizer Inc.
    Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Esther Cheng Yin Lee, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
  • Patent number: 8389552
    Abstract: The present invention provides Formula (1A) compounds that act as glucokinase activators; pharmaceutical compositions thereof; and methods of treating diseases, disorders, or conditions mediated by glucokinase. X, Y, Z, R1, R2, R3, and R4 areas described herein.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: March 5, 2013
    Assignee: Pfizer Inc.
    Inventors: Jeffrey Allen Pfefferkorn, Meihua Mike Tu