Patents by Inventor Roger Dennis Tung

Roger Dennis Tung 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: 20100124543
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Application
    Filed: July 16, 2009
    Publication date: May 20, 2010
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Roger Dennis Tung, Michael Robin Hale, Christopher Todd Baker, Eric Steven Furfine, Istvan Kaldor, Wieslaw Mieczylaw Kazmierski, Andrew Spaltenstein
  • Patent number: 7592368
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: September 22, 2009
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger Dennis Tung, Michael Robin Hale, Christopher Todd Baker, Eric Steven Furfine, Istvan Kaldor, Wieslaw Mieczylaw Kazmierski, Andrew Spaltenstein
  • Patent number: 6838474
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: January 4, 2005
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger Dennis Tung, Michael Robin Hale, Christopher Todd Baker, Eric Steven Furfine, Istvan Kaldor, Wieslaw Mieczylaw Kazmierski, Andrew Spaltenstein
  • Publication number: 20030207871
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Application
    Filed: February 19, 2003
    Publication date: November 6, 2003
    Inventors: Roger Dennis Tung, Michael Robin Hale, Christopher Todd Baker, Eric Steven Furfine, Istvan Kaldor, Wieslaw Mieczylaw Kazmierski, Andrew Spaltenstein
  • Patent number: 6559137
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 6, 2003
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger Dennis Tung, Michael Robin Hale, Christopher Todd Baker, Eric Steven Furfine, Istvan Kaldor, Wieslaw Mieczylaw Kazmierski, Andrew Spaltenstein
  • Publication number: 20020082249
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Application
    Filed: November 30, 2001
    Publication date: June 27, 2002
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Roger Dennis Tung, Michael Robin Hale, Christopher Todd Baker, Andrew Spaltenstein, Eric Steven Furfine, Istvan Kaldor, Wieslaw Mieczylaw Kazmierski
  • Patent number: 6281367
    Abstract: An improved process for the synthesis of (3S)-tetrahydro-3-furyl N-[(1S,2R)-3 -(4-amino-N-isobutylbenzenesulphonamido)-1-benzyl-2-hydroxypropyl]carbamate comprising four steps form the compound of formula A and a novel intermediate thereto.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: August 28, 2001
    Assignee: Glaxo Wellcome Inc.
    Inventors: Emile Al-Farhan, David D. Deininger, Stephen McGhie, John O'Callaghan, Mark Stuart Robertson, Keith Rodgers, Stephen John Rout, Hardew Singh, Roger Dennis Tung
  • Patent number: 6225350
    Abstract: This invention relates to the use of butyrate prodrugs derived from lactic acid for treating inflammatory bowel disease. The invention also relates to the use of those prodrugs for the treatment of a chemotherapy-induced mucocutaneous side effect in a patient. The invention further relates to the use of butyrate prodrugs for treating lung, colo-rectal or prostate cancer. And the invention also relates to the use of butyrate prodrugs to treat cystic fibrosis and to enhance the efficiency of gene therapy.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: May 1, 2001
    Assignee: Vertex Pharmaceuticals, Inc.
    Inventors: Roger Dennis Tung, Bigin Li, Michael Shin-San Su
  • Patent number: 6127372
    Abstract: This invention provides a novel class of sulfonamide compounds of formula I which are aspartyl protease inhibitors: ##STR1## This invention also provides pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting HIV-1 and HIV-2 protease activity and consequently, may be advantageously used as anti-viral agents against the HIV-1 and HIV-2 viruses. This invention also provides methods for inhibition aspartyl protease activity and methods for treating viral infections using the compounds and compositions of this invention.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: October 3, 2000
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger Dennis Tung, Francesco Gerald Salituro, David D. Deininger, Mark Andrew Murcko, Perry Michael Novak, Govinda Rao Bhisetti
  • Patent number: 5945413
    Abstract: This invention relates to a novel class of compounds that are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of aspartyl protease inhibitors characterized by specific structural and physicochemical features. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting HIV-1 and HIV-2 protease activity and consequently, may be advantageously used as anti-viral agents against the HIV-1 and HIV-2 viruses. This invention also relates to methods for inhibiting aspartyl protease activity and methods for treating viral infections using the compounds and compositions of this invention.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: August 31, 1999
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger Dennis Tung, Francesco Gerald Salituro, David D. Deininger, Govinda Rao Bhisetti, Christopher Todd Baker, Andrew Spaltenstein
  • Patent number: 5883252
    Abstract: This invention relates to a novel class of compounds that are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of aspartyl protease inhibitors characterized by specific structural and physicochemical features. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting HIV-1 and HIV-2 protease activity and consequently, may be advantageously used as anti-viral agents against the HIV-1 and HIV-2 viruses. This invention also relates to methods for inhibiting aspartyl protease activity and methods for treating viral infections using the compounds and compositions of this invention.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: March 16, 1999
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger Dennis Tung, Francesco Gerald Salituro, David D. Deininger, Govinda Rao Bhisetti, Christopher Todd Baker