Patents by Inventor Meihua Mike Tu
Meihua 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).
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Publication number: 20220184041Abstract: 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: ApplicationFiled: November 23, 2021Publication date: June 16, 2022Applicant: 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
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Publication number: 20160362392Abstract: 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: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Applicant: 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
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Patent number: 9452999Abstract: 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: GrantFiled: June 4, 2015Date of Patent: September 27, 2016Assignee: 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
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Patent number: 9394285Abstract: 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: GrantFiled: September 24, 2013Date of Patent: July 19, 2016Assignee: 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
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Publication number: 20160016940Abstract: 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: ApplicationFiled: September 24, 2013Publication date: January 21, 2016Applicant: 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
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Publication number: 20150266861Abstract: 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: ApplicationFiled: June 5, 2015Publication date: September 24, 2015Applicant: Pfizer Inc.Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
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Publication number: 20150266859Abstract: 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: ApplicationFiled: June 4, 2015Publication date: September 24, 2015Applicant: 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
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Patent number: 9073871Abstract: 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: GrantFiled: August 28, 2014Date of Patent: July 7, 2015Assignee: 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
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Patent number: 9056834Abstract: 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: GrantFiled: December 5, 2014Date of Patent: June 16, 2015Assignee: Pfizer Inc.Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
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Publication number: 20150094338Abstract: 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: ApplicationFiled: December 5, 2014Publication date: April 2, 2015Applicant: PFIZER INC.Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
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Patent number: 8933104Abstract: 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: GrantFiled: July 18, 2014Date of Patent: January 13, 2015Assignee: Pfizer Inc.Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
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Publication number: 20140371467Abstract: 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: ApplicationFiled: August 28, 2014Publication date: December 18, 2014Applicant: 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
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Publication number: 20140329862Abstract: 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: ApplicationFiled: July 18, 2014Publication date: November 6, 2014Applicant: Pfizer Inc.Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
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Patent number: 8859591Abstract: 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: GrantFiled: July 3, 2013Date of Patent: October 14, 2014Assignee: 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
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Patent number: 8809342Abstract: 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: GrantFiled: December 22, 2011Date of Patent: August 19, 2014Assignee: Pfizer Inc.Inventors: Gary Erik Aspnes, Mary Theresa Didiuk, Kevin James Filipski, Angel Guzman-Perez, Jeffrey Allen Pfefferkorn, Benjamin Dawson Stevens, Meihua Mike Tu
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Publication number: 20130296355Abstract: 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: ApplicationFiled: July 3, 2013Publication date: November 7, 2013Inventors: 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
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Patent number: 8507533Abstract: 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: GrantFiled: February 7, 2012Date of Patent: August 13, 2013Assignee: 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
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Patent number: 8389552Abstract: 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: GrantFiled: April 23, 2012Date of Patent: March 5, 2013Assignee: Pfizer Inc.Inventors: Jeffrey Allen Pfefferkorn, Meihua Mike Tu
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Patent number: 8329920Abstract: 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 are as described herein.Type: GrantFiled: May 26, 2011Date of Patent: December 11, 2012Assignee: Pfizer Inc.Inventors: John William Benbow, Jihong Lou, Jeffrey Allen Pfefferkorn, Meihua Mike Tu
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Publication number: 20120225910Abstract: 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: ApplicationFiled: April 23, 2012Publication date: September 6, 2012Applicant: PFIZER INC.Inventors: Jeffrey Allen Pfefferkorn, Meihua Mike Tu