Patents by Inventor Roger D. Tung

Roger D. 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: 20020032175
    Abstract: The present invention relates to compounds, methods and pharmaceutical compositions for inhibiting proteases, particularly serine proteases, and more particularly HCV NS3 proteases. The compounds, and the compositions and methods that utilize them, can be used, either alone or in combination to inhibit viruses, particularly HCV virus.
    Type: Application
    Filed: June 6, 2001
    Publication date: March 14, 2002
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Roger D. Tung, Scott L. Harbeson, David D. Deininger, Mark A. Murcko, Govinda R. Bhisetti, Luc J. Farmer
  • Patent number: 6265380
    Abstract: The present invention relates to compounds, methods and pharmaceutical compositions for inhibiting proteases, particularly serine proteases, and more particularly HCV NS3 proteases. The compounds, and the compositions and methods that utilize them, can be used, either alone or in combination to inhibit viruses, particularly HCV virus.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: July 24, 2001
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger D. Tung, Scott L. Harbeson, David D. Deininger, Mark A. Murcko, Govinda R. Bhisetti, Luc J. Farmer
  • Patent number: 6004957
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV 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 the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: December 21, 1999
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger D. Tung, Mark A. Murcko, Govinda R. Bhisetti
  • Patent number: 5990155
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. 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 the activity of HIV aspartyl protease using the compounds of this invention.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: November 23, 1999
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger D. Tung, Govinda Rao Bhisetti
  • Patent number: 5977137
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV 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 the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: November 2, 1999
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger D. Tung, Mark A. Murcko, Govinda Rao Bhisetti
  • Patent number: 5912269
    Abstract: This invention relates to butyrate prodrugs derived from lactic acid and pharmaceutical compositions and methods employing them, either alone or in combination with other agents, for increasing gamma globin and fetal hemoglobin in a patient. These compounds, compositions and methods are particularly effective in treating .beta.-hemoglobinopathies, including sickle cell syndromes and .beta.-thalassemia syndromes. In addition, this invention relates to the use of these prodrugs, alone or in combination with other agents, to stimulate cell differentiation which prevents proliferation of malignant cells. These methods are particularly useful in treating cancer, especially malignant hematological disorders.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: June 15, 1999
    Assignee: Vertex Pharmaceuticals, Inc.
    Inventors: Roger D. Tung, Biqin Li
  • Patent number: 5883123
    Abstract: This invention relates to butyrate prodrugs derived from lactic acid and pharmaceutical compositions and methods employing them, either alone or in combination with other agents, for increasing gamma globin and fetal hemoglobin in a patient. These compounds, compositions and methods are particularly effective in treating .beta.-hemoglobinopathies, including sickle cell syndromes and .beta.-thalassemia syndromes. In addition, this invention relates to the use of these prodrugs, alone or in combination with other agents, to stimulate cell differentiation which prevents proliferation of malignant cells. These methods are particularly useful in treating cancer, especially malignant hematological disorders.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: March 16, 1999
    Assignee: Vertex Pharmaceuticals, Inc.
    Inventors: Roger D. Tung, Biqin Li
  • Patent number: 5880152
    Abstract: This invention relates to butyrate prodrugs derived from lactic acid and pharmaceutical compositions and methods employing them, either alone or in combination with other agents, for increasing gamma globin and fetal hemoglobin in a patient. These compounds, compositions and methods are particularly effective in treating .beta.-hemoglobinopathies, including sickle cell syndromes and .beta.-thalassemia syndromes. This invention relates to the use of these prodrugs, alone or in combination with other agents, to stimulate cell differentiation which prevents proliferation of malignant cells. These methods are particularly useful in treating cancer, especially malignant hematological disorders. In addition, this invention relates to the use of these prodrugs in treating inflammatory bowel diseases.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: March 9, 1999
    Assignee: Vertex Pharmaceuticals, Inc.
    Inventors: Roger D. Tung, Bigin Li
  • Patent number: 5856353
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV 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 the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 5, 1999
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger D. Tung, Mark A. Murcko, Govinda R. Bhisetti
  • Patent number: 5783701
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV 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 the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: July 21, 1998
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger D. Tung, Mark A. Murcko, Govinda Rao Bhisetti
  • Patent number: 5723490
    Abstract: The present invention relates to a class of THF-containing sulfonamides which are aspartyl protease inhibitors. 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 the activity of HIV aspartyl protease using the compounds of this invention.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: March 3, 1998
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventor: Roger D. Tung
  • Patent number: 5693847
    Abstract: The present invention relates to functionalized ketones and novel processes for synthesizing those ketones. The processes of this invention are especially well suited for synthesizing .alpha.-methyl leaving group functionalized ketones. This invention also relates to processes for using .alpha.-methyl leaving group functionalized ketones to produce other compounds and intermediates useful in those processes.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: December 2, 1997
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger D. Tung, Thomas E. D'Ambra
  • Patent number: 5691372
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. 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 the activity of HIV aspartyl protease using the compounds of this invention.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: November 25, 1997
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Roger D. Tung, Govinda Rao Bhisetti
  • Patent number: 5665774
    Abstract: This invention relates to a novel class of immunosuppressive compounds having an affinity for the FK-506 binding protein (FKBP). Once bound to this protein, the immunosuppressive compounds inhibit the prolyl peptidyl cis-trans isomerase (rotamase) activity of the FKBP and inhibit T cell activation. As such, the compounds of this invention can be used as immunosuppressive drugs to prevent or significantly reduce graft rejection in bone marrow and organ transplantations and for use in the treatment of a wide variety of autoimmune diseases in humans and other mammals.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: September 9, 1997
    Inventors: David M. Armistead, Joshua S. Boger, Harold V. Meyers, Jeffrey O. Saunders, Roger D. Tung
  • Patent number: 5622970
    Abstract: This invention relates to a novel class of immunosuppressive compounds having an affinity for the FK-506 binding protein (FKBP). Once bound to this protein, the immunosuppressive compounds inhibit the prolyl peptidyl cis-trans isomerase (rotamase) activity of the FKBP and inhibit T cell activation. As such, the compounds of this invention can be used as immunosuppressive drugs to prevent or significantly reduce graft rejection in bone marrow and organ transplantations and for use in the treatment of a wide variety of autoimmune diseases in humans and other mammals.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: April 22, 1997
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: David A. Armistead, Joshua S. Boger, Harold V. Meyers, Jeffrey O. Saunders, Roger D. Tung
  • Patent number: 5585397
    Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV 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 the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity.
    Type: Grant
    Filed: November 24, 1993
    Date of Patent: December 17, 1996
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Roger D. Tung, Mark A. Murcko, Govinda R. Bhisetti
  • Patent number: 5516797
    Abstract: This invention relates to a novel class of immunosuppressive compounds having an affinity for the FK-506 binding protein (FKBP). Once bound to this protein, the immunosuppressive compounds inhibit the prolyl peptidyl cis-trans isomerase (rotamase) activity of the FKBP and inhibit T cell activation. As such, the compounds of this invention can be used as immunosuppressive drugs to prevent or significantly reduce graft rejection in bone marrow and organ transplantations and for use in the treatment of a wide variety of autoimmune diseases in humans and other mammals.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: May 14, 1996
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: David M. Armistead, Joshua S. Boger, Harold V. Meyers, Jeffrey O. Saunders, Roger D. Tung
  • Patent number: 5330993
    Abstract: This invention relates to a novel class of immunosuppressive compounds having an affinity for the FK-506 binding protein (FKBP). Once bound to this protein, the immunosuppressive compounds inhibit the prolyl peptidyl cis-trans isomerase (rotamass) activity of the FKBP and inhibit T cell activation. As such, the compounds of this invention can be used as immunosuppressive drugs to prevent or significantly reduce graft rejection in bone marrow and organ transplantations and for use in the treatment of a wide variety of autoimmune diseases in humans and other mammals.
    Type: Grant
    Filed: July 2, 1991
    Date of Patent: July 19, 1994
    Assignee: Vertex Pharmaceuticals, Inc.
    Inventors: David M. Armistead, Joshua S. Boger, Harold V. Meyers, Jeffrey O. Saunders, Roger D. Tung
  • Patent number: 5225528
    Abstract: Disclosed are cyclic hexapeptides of the formula: ##STR1## These compounds are antagonists of oxytocin and are useful in the treatment of preterm labor and dysmenorrhea, and for stoppage of labor prepatory to Caesarian delivery. Also disclosed are pharmaceutical compositions containing the compounds of formula I and methods of preparing these compounds.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: July 6, 1993
    Assignee: Merck & Co., Inc.
    Inventors: Mark G. Bock, Roger M. Freidinger, Roger D. Tung, Daniel F. Veber, Peter D. Williams
  • Patent number: 5192773
    Abstract: This invention relates to a novel class of immunosuppressive compounds having an affinity for the FK-506 binding protein (FKBP). Once bound to this protein, the immunosuppressive compounds inhibit the prolyl peptidyl cis-trans isomerase (rotamase) activity of the FKBP and inhibit T cell activation. As such, the compounds of this invention can be used as immunosuppressive drugs to prevent or significantly reduce graft rejection in bone marrow and organ transplantations and for use in the treatment of a wide variety of autoimmune diseases in humans and other mammals.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: March 9, 1993
    Assignee: Vertex Pharmaceuticals, Inc.
    Inventors: David A. Armistead, Joshua S. Boger, Harold V. Meyers, Jeffrey O. Saunders, Roger D. Tung