Patents by Inventor Dangshe Ma

Dangshe Ma 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: 9828428
    Abstract: Disclosed herein are anti-IL-13-R?2 antibodies and antibody drug conjugates and methods for preparing and using the same.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: November 28, 2017
    Assignee: Pfizer Inc.
    Inventors: Dangshe Ma, Fang Jin, Lioudmila Gennadievna Tchistiakova, Puja Sapra
  • Publication number: 20170216452
    Abstract: The invention relates to polypeptides, antibodies, and antigen-binding fragments thereof, that comprise a substituted cysteine for site-specific conjugation.
    Type: Application
    Filed: November 21, 2016
    Publication date: August 3, 2017
    Inventors: Dangshe MA, Kimberly Ann MARQUETTE, Edmund Idris GRAZIANI, Puja SAPRA, Lawrence Nathan TUMEY, Nadira Anarkali PRASHAD, Kiran Manohar KHANDKE, Eric M. BENNETT, Lioudmila TCHISTIAKOVA
  • Patent number: 9695248
    Abstract: The invention includes stable multimeric, particularly dimeric, forms of PSMA protein, compositions and kits containing dimeric PSMA protein as well as methods of producing, purifying and using these compositions. Such methods include methods for eliciting or enhancing an immune response to cells expressing PSMA, including methods of producing antibodies to dimeric PSMA, as well as methods of treating cancer, such as prostate cancer.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: July 4, 2017
    Assignee: PSMA Development Company, LLC
    Inventors: Paul J. Maddon, Gerald P. Donovan, William C. Olson, Norbert Schuelke, Jason Gardner, Dangshe Ma
  • Publication number: 20170151341
    Abstract: The present invention provides site specific HER2 antibody drug conjugates and methods for preparing and using the same.
    Type: Application
    Filed: November 21, 2016
    Publication date: June 1, 2017
    Applicant: Pfizer Inc.
    Inventors: Dangshe MA, Frank LOGANZO, JR., Kimberly Ann MARQUETTE, Edmund Idris GRAZIANI, Puja SAPRA, Pavel STROP
  • Patent number: 9289519
    Abstract: The present invention discloses methods for treating non-malignant cell diseases by administering to an individual a construct comprising actinium-225 or bismuth-213 and an antigen of a non-malignant cell. Also, provided is a method for treating a solid tumor associated with an abnormal proliferation of cells by targeting an antigen of the tumor-associated vasculature with the constructs.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: March 22, 2016
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: David A Scheinberg, Michael R McDevitt, Dangshe Ma, George Sgouros
  • Patent number: 9242012
    Abstract: Methods of killing prostate-specific membrane antigen (PSMA)-expressing, taxane-resistant cancer cells are provided. In particular, PSMA-expressing, taxane-resistant cancer cells are contacted with an antibody-drug conjugate (ADC) that comprises an antibody or antigen-binding fragment thereof that specifically binds to PSMA conjugated to monomethylauristatin norephedrine or monomethylauristatin phenylalanine.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: January 26, 2016
    Assignee: PSMA Development Company, LLC
    Inventors: Dangshe Ma, William C. Olson, Stephen Morris, Robert J. Israel
  • Publication number: 20150266962
    Abstract: Disclosed herein are anti-IL-13-R?2 antibodies and antibody drug conjugates and methods for preparing and using the same.
    Type: Application
    Filed: October 30, 2013
    Publication date: September 24, 2015
    Applicant: Pfizer Inc.
    Inventors: Dangshe Ma, Fang Jin, Lioudmila Gennadievna Tchistiakova, Puja Sapra
  • Publication number: 20150197577
    Abstract: The invention includes stable multimeric, particularly dimeric, forms of PSMA protein, compositions and kits containing dimeric PSMA protein as well as methods of producing, purifying and using these compositions. Such methods include methods for eliciting or enhancing an immune response to cells expressing PSMA, including methods of producing antibodies to dimeric PSMA, as well as methods of treating cancer, such as prostate cancer.
    Type: Application
    Filed: September 10, 2012
    Publication date: July 16, 2015
    Applicants: PSMA Development Company, LLC, Amgen Fremont Inc.
    Inventors: Paul J. Maddon, Gerald P. Donovan, William C. Olson, Norbert Schuelke, Jason Gardner, Dangshe Ma, Jaspal S. Kang, Larry Green
  • Publication number: 20150175681
    Abstract: Provided herein are reagents, compositions, and therapies with which to treat Clostridium difficile infection and related disease conditions and pathologies, such as Clostridium difficile-associated diarrhea, resulting from infection by Clostridium difficile bacteria and the enterotoxins produced by these bacteria. In particular, antibodies or antigen-binding fragments thereof that bind specifically to toxin A and/or toxin B of C difficile and neutralize the activities of these toxins; compositions comprising such antibodies; and methods of using the antibodies and the compositions are provided.
    Type: Application
    Filed: March 9, 2015
    Publication date: June 25, 2015
    Inventors: Dangshe Ma, Kirsten Nagashima, Brian Kennedy, Gerald P. Donovan, Yun Kang, William C. Olson, Shankar Kumar, Naoya Tsurushita, Andre J. Marozsan, Albert Cupo
  • Patent number: 8986697
    Abstract: Provided herein are reagents, compositions, and therapies with which to treat Clostridium difficile infection and related disease conditions and pathologies, such as Clostridium difficile-associated diarrhea, resulting from infection by Clostridium difficile bacteria and the enterotoxins produced by these bacteria. In particular, antibodies or antigen-binding fragments thereof that bind specifically to toxin A and/or toxin B of C difficile and neutralize the activities of these toxins; compositions comprising such antibodies; and methods of using the antibodies and the compositions are provided.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: March 24, 2015
    Assignee: Progenics Pharmaceuticals, Inc.
    Inventors: Dangshe Ma, Kirsten Nagashima, Brian Kennedy, Gerald P. Donovan, Yun Kang, William C. Olson, Shankar Kumar, Naoya Tsurushita, Andre J. Marozsan, Albert Cupo
  • Publication number: 20140286859
    Abstract: The invention includes stable multimeric, particularly dimeric, forms of PSMA protein, compositions and kits containing dimeric PSMA protein as well as methods of producing, purifying and using these compositions. Such methods include methods for eliciting or enhancing an immune response to cells expressing PSMA, including methods of producing antibodies to dimeric PSMA, as well as methods of treating cancer, such as prostate cancer.
    Type: Application
    Filed: September 10, 2012
    Publication date: September 25, 2014
    Applicants: PSMA Development Company, LLC, Amgen Fremont Inc.
    Inventors: Paul J. Maddon, Gerald P. Donovan, William C. Olson, Norbert Schuelke, Jason Gardner, Dangshe Ma, Jaspal S. Kang, Larry Green
  • Publication number: 20130295008
    Abstract: The present invention discloses methods for treating non-malignant cell diseases by administering to an individual a construct comprising actinium-225 or bismuth-213 and an antigen of a non-malignant cell. Also, provided is a method for treating a solid tumor associated with an abnormal proliferation of cells by targeting an antigen of the tumor-associated vasculature with the constructs.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 7, 2013
    Inventors: David A. Scheinberg, Michael R. McDevitt, Dangshe Ma, George Sgouros
  • Publication number: 20130202618
    Abstract: Provided herein are reagents, compositions, and therapies with which to treat Clostridium difficile infection and related disease conditions and pathologies, such as Clostridium difficile-associated diarrhea, resulting from infection by Clostridium difficile bacteria and the enterotoxins produced by these bacteria. In particular, antibodies or antigen-binding fragments thereof that bind specifically to toxin A and/or toxin B of C difficile and neutralize the activities of these toxins; compositions comprising such antibodies; and methods of using the antibodies and the compositions are provided.
    Type: Application
    Filed: April 15, 2011
    Publication date: August 8, 2013
    Applicant: Progenics Pharmaceuticals, Inc.
    Inventors: Dangshe Ma, Kirsten Nagashima, Brian Kennedy, Gerald P. Donovan, Yun Kang, William C. Olson, Shankar Kumar, Naoya Tsurushita, Andre J. Marozsan, Albert Cupo
  • Patent number: 8486409
    Abstract: The present invention discloses alpha particle emitting, radioactive constructs capable of killing large tumors (>1 mm in diameter), or other cells involved in human or animal diseases such as virus infected cells, autoimmune cells, or other pathological cells, including normal cells, that are targets for destruction, to achieve a therapeutic result. The alpha-emitting constructs have high specific activity.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: July 16, 2013
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: David A. Scheinberg, Michael R. McDevitt, Dangshe Ma, George Sgouros
  • Patent number: 8470330
    Abstract: The invention includes stable multimeric, particularly dimeric, forms of PSMA protein, compositions and kits containing dimeric PSMA protein as well as methods of producing, purifying and using these compositions. Such methods include methods for eliciting or enhancing an immune response to cells expressing PSMA, including methods of producing antibodies to dimeric PSMA, as well as methods of treating cancer, such as prostate cancer.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: June 25, 2013
    Assignees: PSMA Development Company, LLC, Amgen Fremont Inc.
    Inventors: Paul J. Maddon, Gerald P. Donovan, William C. Olson, Norbert Schuelke, Jason Gardner, Dangshe Ma, Jaspal S. Kang, Larry Green
  • Patent number: 8114965
    Abstract: The invention includes antibodies or antigen-binding fragments thereof which bind specifically to conformational epitopes on the extracellular domain of PSMA, compositions containing one or a combination of such antibodies or antigen-binding fragments thereof, hybridoma cell lines that produce the antibodies, and methods of using the antibodies or antigen-binding fragments thereof for cancer diagnosis and treatment. The invention also includes oligomeric forms of PSMA proteins, compositions comprising the multimers, and antibodies that selectively bind to the multimers.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: February 14, 2012
    Assignees: PSMA Development Company, LLC, Amgen Fremont Inc.
    Inventors: Paul J. Maddon, Gerald P. Donovan, William C. Olson, Norbert Schuelke, Jason Gardner, Dangshe Ma, Jaspal S. Kang, Larry Green
  • Publication number: 20110250216
    Abstract: Methods of killing prostate-specific membrane antigen (PSMA)-expressing, taxane-resistant cancer cells are provided. In particular, PSMA-expressing, taxane-resistant cancer cells are contacted with an antibody-drug conjugate (ADC) that comprises an antibody or antigen-binding fragment thereof that specifically binds to PSMA conjugated to monomethylauristatin norephedrine or monomethylauristatin phenylalanine.
    Type: Application
    Filed: February 17, 2011
    Publication date: October 13, 2011
    Applicant: PSMA Development Company, LLC
    Inventors: Dangshe Ma, William C. Olson, Stephen Morris, Robert J. Israel
  • Patent number: 7850971
    Abstract: The invention includes antibodies or antigen-binding fragments thereof which bind specifically to conformational epitopes on the extracellular domain of PSMA, compositions containing one or a combination of such antibodies or antigen-binding fragments thereof, hybridoma cell lines that produce the antibodies, and methods of using the antibodies or antigen-binding fragments thereof for cancer diagnosis and treatment. The invention also includes oligomeric forms of PSMA proteins, compositions comprising the multimers, and antibodies that selectively bind to the multimers.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: December 14, 2010
    Assignee: PSMA Development Company, LLC
    Inventors: Paul J. Maddon, Gerald P. Donovan, William C. Olson, Norbert Schuelke, Jason Gardner, Dangshe Ma
  • Publication number: 20100278727
    Abstract: The present invention discloses alpha particle emitting, radioactive constructs capable of killing large tumors (>1 mm in diameter), or other cells involved in human or animal diseases such as virus infected cells, autoimmune cells, or other pathological cells, including normal cells, that are targets for destruction, to achieve a therapeutic result. The alpha-emitting constructs have high specific activity.
    Type: Application
    Filed: April 20, 2010
    Publication date: November 4, 2010
    Inventors: David A. Scheinberg, Michael R. McDevitt, Dangshe Ma, George Sgouros
  • Patent number: 7736651
    Abstract: The present invention discloses alpha particle emitting, radioactive constructs capable of killing large tumors (>1 mm in diameter), or other cells involved in human or animal diseases such as virus infected cells, autoimmune cells, or other pathological cells, including normal cells, that are targets for destruction, to achieve a therapeutic result. The alpha emitting constructs have high specific activity.
    Type: Grant
    Filed: November 24, 2000
    Date of Patent: June 15, 2010
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: David Scheinberg, Dangshe Ma, Michael R. McDevitt, George Sgouros