Patents by Inventor Howard P. Ng

Howard P. Ng 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).

  • Methods of treating cancer with an antibody-drug conjugate
    Patent number: 8034959
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: October 11, 2011
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Zhi-Hong Li, Danny P. C. McGee, Oliver L. Saunders, Guoxian Wu, David John King, Valeri Martichonok, Sharon Elaine Boyd, Thomas J. Lobl
  • Peptidyl prodrugs and linkers and stabilizers useful therefor
    Patent number: 7977465
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: July 12, 2011
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Danny P. C. McGee, Guoxian Wu, Jimmie Moore, Zhi-Hong Li, Sanjeev Gangwar, Oliver L. Saunders, Irina Astafieva
  • TRIAZOLE COMPOUNDS THAT MODULATE HSP90 ACTIVITY
    Publication number: 20110105749
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Application
    Filed: June 14, 2010
    Publication date: May 5, 2011
    Inventors: Weiwen YING, David James, Shijie Zhang, Teresa Przewloka, Junghyun Chae, Dinesh U. Chimmanamada, Chi-Wan Lee, Elena Kostik, Howard P. Ng, Kevin Foley, Zhenjian Du, James Barsoum
  • Heteroaryl-hydrazone compounds
    Patent number: 7935698
    Abstract: This invention relates to compounds having a formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, hydrate, prodrug or polymorph thereof wherein X is —C(Rg)?N-A. The invention also relates to methods of treating IL-12 overproduction-related disorders, methods of treating or preventing disorders related with excessive bone loss, methods for inhibiting osteoclast formation, and methods for treating or preventing a disorder associated with excessive bone resorption.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: May 3, 2011
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Elena Kostik, Howard P. Ng
  • TRIAZONE COMPOUNDS THAT MODULATE HSP90 ACTIVITY
    Publication number: 20110009397
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Application
    Filed: October 23, 2009
    Publication date: January 13, 2011
    Inventors: Weiwen Ying, David James, Shijie Zhang, Teresa Przewloka, Junghyun Chae, Dinesh U. Chimmanamada, Chi-Wan Lee, Elena Kostik, Howard P. Ng, Kevin Foley, Zhenjian Du, James Barsoum
  • IL-12 modulatory compounds
    Patent number: 7863270
    Abstract: The invention relates to cyclic hydrazone compounds and compositions including the cyclic hydrazone compounds according to formula (I): The compounds (and compositions) are useful, inter alia, in modulating IL-12 production and processes mediated by IL-12.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: January 4, 2011
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zachary Demko, Lijun Sun, Howard P. Ng
  • Triazole compounds that modulate Hsp90 activity
    Patent number: 7825148
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: November 2, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, David James, Shijie Zhang, Teresa Przewloka, Junghyun Chae, Dinesh U. Chimmanamada, Chi-Wan Lee, Elena Kostik, Howard P. Ng, Kevin Foley, Zhenjian Du, James Barsoum
  • IL-12 MODULATORY COMPOUNDS
    Publication number: 20100256132
    Abstract: The invention relates to heterocyclic compounds, compositions including the compounds and methods of using and methods of making thereof. The compounds (and compositions) are useful, inter alia, in modulating IL-12 production and processes mediated by IL-12.
    Type: Application
    Filed: March 24, 2010
    Publication date: October 7, 2010
    Applicant: Synta Pharmaceuticals Corporation
    Inventors: Lijun Sun, Elena Kostik, Teresa Przewloka, Howard P. Ng, Dinesh Chimmanamada, Zachary Demko
  • PYRIDINE COMPOUNDS
    Publication number: 20100173413
    Abstract: This invention features compounds of formula (I): pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12-related diseases and disorders.
    Type: Application
    Filed: March 11, 2010
    Publication date: July 8, 2010
    Applicant: Synta Pharmaceuticals Corporation
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Howard P. Ng, Zachary Demko
  • IL-12 modulatory compounds
    Patent number: 7696202
    Abstract: The invention relates to heterocyclic compounds, compositions including the compounds and methods of using and methods of making thereof. The compounds (and compositions) are useful, inter alia, in modulating IL-12 production and processes mediated by IL-12.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: April 13, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Elena Kostik, Teresa Przewloka, Howard P. Ng, Dinesh Chimmanamada, Zachary Demko
  • Pyridine compounds
    Patent number: 7687498
    Abstract: This invention features compounds of formula (I): pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12-related diseases and disorders.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: March 30, 2010
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Howard P. Ng, Zachary Demko
  • Triazole compounds that modulate HSP90 activity
    Patent number: 7662813
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: February 16, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, David James, Shijie Zhang, Teresa Przewloka, Elena Kostik, Junghyun Chae, Howard P Ng, Zhenjian Du, James Barsoum, Dinesh Chimmanamada, Chi-Wan Lee, Kevin Foley
  • PEPTIDYL PRODRUGS AND LINKERS AND STABILIZERS USEFUL THEREFOR
    Publication number: 20090209734
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Application
    Filed: March 4, 2009
    Publication date: August 20, 2009
    Applicant: Medarex, Inc.
    Inventors: Howard P. Ng, Danny P.C. McGee, Guoxian Wu, Jimmie Moore, Zhihong Li, Sanjeev Gangwar, Oliver L. Saunders, Irina Astafieva
  • METHODS OF TREATING CANCER WITH AN ANTIBODY-DRUG CONJUGATE
    Publication number: 20090175888
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Application
    Filed: March 2, 2009
    Publication date: July 9, 2009
    Applicant: Medarex, Inc.
    Inventors: Howard P. Ng, Zhihong Li, Danny P.C. McGee, Oliver L. Saunders, Guoxian Wu, David J. King, Valeri Martichonok, Sharon Boyd, Thomas J. Lobl
  • Peptidyl prodrugs and linkers and stabilizers useful therefor
    Patent number: 7507420
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: March 24, 2009
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Danny P. C. McGee, Guoxian Wu, Jimmie Moore, Zhi-Hong Li, Sanjeev Gangwar, Oliver L. Saunders, Irina Astafieva
  • Disulfide prodrugs and linkers and stabilizers useful therefor
    Patent number: 7498302
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: March 3, 2009
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Zhi-Hong Li, Danny P. C. McGee, Oliver L. Saunders, Guoxian Wu, David J. King, Valeri Martichonok, Sharon Elaine Boyd, Thomas J. Lobl
  • Triazole compounds that modulate Hsp90 activity
    Publication number: 20080176840
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Application
    Filed: May 25, 2007
    Publication date: July 24, 2008
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Przewloka, Shijie Zhang, Dinesh U. Chimmanamada, Kevin Foley, Zhenjian Du, Hao Li, David James, Howard P. Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • PYRIDINE COMPOUNDS
    Publication number: 20080167300
    Abstract: This invention features compounds of formula (I): pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12-related diseases and disorders.
    Type: Application
    Filed: March 3, 2008
    Publication date: July 10, 2008
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Howard P. Ng, Zachary Demko
  • Pyridine compounds
    Patent number: 7338951
    Abstract: This invention features compounds of formula (I): pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12-related diseases and disorders.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: March 4, 2008
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Howard P. Ng, Zachary Demko
  • Peptidyl prodrugs and linkers and stabilizers useful therefor
    Patent number: RE41252
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: April 20, 2010
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Danny P. C. McGee, Guoxian Wu, Jimmie Moore, Zhi-Hong Li, Sanjeev Gangwar, Oliver L. Saunder, Irina Astafieva, Valeri Martichonok