Patents by Inventor Danchen Gao

Danchen Gao 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: 9750756
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising particulate celecoxib in an amount of about 10 mg to about 1000 mg in intimate mixture with one or more pharmaceutically acceptable excipients. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: September 5, 2017
    Assignee: Pfizer Inc.
    Inventors: Danchen Gao, Anthony J. Hlinak, Ahmad M. Mazhary, James E. Truelove, Margaret B. Vaughn
  • Publication number: 20150011514
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising particulate celecoxib in an amount of about 10 mg to about 1000 mg in intimate mixture with one or more pharmaceutically acceptable excipients. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders.
    Type: Application
    Filed: September 23, 2014
    Publication date: January 8, 2015
    Inventors: Danchen Gao, Anthony J. Hlinak, Ahmad M. Mazhary, James E. Truelove, Margaret B. Vaughn
  • Patent number: 8536152
    Abstract: The present invention provides methods of treating type II diabetes using combinations of diacerein or its derivatives with other antidiabetic agents. The methods may also allow improving glycemic control of type II diabetes patients and/or reducing side effects and/or cardiovascular risks of antidiabetic agents.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: September 17, 2013
    Assignee: TWi Biotechnology, Inc.
    Inventors: Mannching Sherry Ku, Danchen Gao, Wei-Shu Lu, Chih-Ming Chen, I-Yin Lin
  • Publication number: 20120171284
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising particulate celecoxib in an amount of about 10 mg to about 1000 mg in intimate mixture with one or more pharmaceutically acceptable excipients. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders.
    Type: Application
    Filed: March 13, 2012
    Publication date: July 5, 2012
    Inventors: Danchen Gao, Anthony J. Hlinak, Ahmad M. Mazhary, James E. Truelove, Margaret B. Vaughn
  • Publication number: 20110251155
    Abstract: The present invention provides methods of treating type II diabetes using combinations of diacerein or its derivatives with other antidiabetic agents. The methods may also allow improving glycemic control of type II diabetes patients and/or reducing side effects and/or cardiovascular risks of antidiabetic agents.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 13, 2011
    Inventors: Mannching Sherry Ku, Danchen Gao, Wei-Shu Lu, Chih-Ming Chen, I-Yin Lin
  • Publication number: 20110045522
    Abstract: The invention generally relates to novel methods of measuring the effectiveness of a drug for the treatment of diabetes and methods of diagnosing diabetes. In some embodiments of the invention, IL-1Ra is used as a biomarker to measure the effectiveness of a drug for the treatment of diabetes.
    Type: Application
    Filed: August 20, 2010
    Publication date: February 24, 2011
    Inventors: Danchen Gao, Yen-Lun Huang, Feng-Min Lin, Wei-Shu Lu
  • Publication number: 20100104651
    Abstract: A once-daily controlled-release formulation of diacerein for treating inflammatory or autoimmune diseases or their complications, with reduced adverse side effects and methods of treating such diseases are disclosed.
    Type: Application
    Filed: October 28, 2009
    Publication date: April 29, 2010
    Inventors: Danchen Gao, Jen-Sen Wu, Wei-Shu Lu, Shouchiung Chen, Pei-Chun Kuo, Chih-Ming Chen
  • Publication number: 20080167362
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising particulate celecoxib in an amount of about 10 mg to about 1000 mg in intimate mixture with one or more pharmaceutically acceptable excipients. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 10, 2008
    Applicant: Pfizer, Inc.
    Inventors: Danchen Gao, Anthony J. Hlinak, Ahmad M. Mazhary, James E. Truelove, Margaret V. Vaughn
  • Publication number: 20080118570
    Abstract: Included are compositions, and methods of making, coated controlled-release drug and ion exchange resin form complexes. Methacrylate coatings, which can be free of plasticizers particularly with Eudragit® NE type polymer, are preferred to enhance the control of drug release from the drug-resin complexes. Liquid formulations including the coated resin forms and a chelating agent to inhibit degradation are also included.
    Type: Application
    Filed: November 20, 2006
    Publication date: May 22, 2008
    Inventors: Zhi Liu, Bei Chen, Danchen Gao, Mukti S. Rao, Arunya Usayapant
  • Publication number: 20080045583
    Abstract: Stable, liquid compositions of levetiracetam that are substantially or entirely free of preservatives, particularly parabens, and/or sugars, such as natural sugars and sugar alcohols. The liquid compositions preferably include oral solutions or suspensions, and may include pharmaceutically acceptable excipients.
    Type: Application
    Filed: August 9, 2007
    Publication date: February 21, 2008
    Inventors: David Delmarre, Carlos-Julian Sison Centeno, Naga Mallika Surapaneni, Danchen Gao
  • Patent number: 7259185
    Abstract: A stable liquid composition comprising warfarin sodium, glycerin, an alcohol such as ethanol, and a pH buffer such as a phosphate buffer providing a pH above 7 is provided. The stability of the composition is characterized by the amount of warfarin sodium in the composition degraded after 1 month at room temperature, which is 5% or less. A method for preparing the composition and a method for providing an anti-coagulant therapy are also disclosed.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: August 21, 2007
    Assignee: Morton Grove Pharmaceuticals, Inc.
    Inventors: Meagan Erica Weldele, David Delmarre, Danchen Gao, Mahmoud Assad El-Khateeb, Carlos-Julian Sison Centeno, Shitalkumar Ratnakar Pathak
  • Publication number: 20070166336
    Abstract: The present invention is directed to improved oral liquid compositions that include sumatriptan, or a pharmaceutically acceptable salt or metabolite thereof, and a pharmaceutically acceptable carrier that includes a liquid portion of the composition. The compositions are substantially free of oxidation impurities. Typically, the compositions include a sweetening agent and a flavoring agent, or a bitterness-reducing agent and flavoring agent. Processes of preparing such compositions and methods of administering such compositions are also included.
    Type: Application
    Filed: December 13, 2006
    Publication date: July 19, 2007
    Inventors: David Delmarre, Ajit Narang, Kaidi Zhao, Meagan Weldele, Barbara Chen, Carlos-Julian Centeno, Danchen Gao
  • Publication number: 20070026026
    Abstract: The present invention is directed to improved oral liquid compositions that include losartan, or a pharmaceutically acceptable salt or metabolite thereof, and at least one pharmaceutically acceptable carrier in an amount sufficient to provide a pH of about 6 or higher. Processes of preparing such compositions and methods of administering such compositions are also included.
    Type: Application
    Filed: July 27, 2006
    Publication date: February 1, 2007
    Inventors: David Delmarre, Naga Surapaneni, Carlos-Julian Centeno, Meagan Weldele, Danchen Gao
  • Publication number: 20060293382
    Abstract: A stable liquid composition comprising warfarin sodium, glycerin, an alcohol such as ethanol, and a pH buffer such as a phosphate buffer providing a pH above 7 is provided. The stability of the composition is characterized by the amount of warfarin sodium in the composition degraded after 1 month at room temperature, which is 5% or less. A method for preparing the composition and a method for providing an anti-coagulant therapy are also disclosed.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 28, 2006
    Inventors: Meagan Weldele, David Delmarre, Danchen Gao, Mahmoud El-Khateeb, Carlos-Julian Centeno, Shitalkumar Pathak
  • Publication number: 20050267189
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising particulate celecoxib in an amount of about 10 mg to about 1000 mg in intimate mixture with one or more pharmaceutically acceptable excipients. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders.
    Type: Application
    Filed: February 11, 2004
    Publication date: December 1, 2005
    Applicant: G.D. Searle, L.L.C.
    Inventors: Danchen Gao, Anthony Hlinak, Ahmad Mazhary, James Truelove, Margaret Vaughn
  • Publication number: 20040197411
    Abstract: A solid particulate composition is provided comprising a hygroscopic and/or deliquescent drug and at least one non-hygroscopic polymer. The drug and the at least one polymer are in intimate association and the composition is acceptably non-hygroscopic.
    Type: Application
    Filed: December 18, 2003
    Publication date: October 7, 2004
    Inventors: Danchen Gao, Ann M. Czyzewski