Patents by Inventor Sarath P. Gunasekera

Sarath P. Gunasekera 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: 7053118
    Abstract: The subject invention provides novel compositions of biologically active compounds which can advantageously be used for inhibiting pathological cellular proliferation. The compounds of the subject invention have utility for use in the treatment of cancer, including tumors.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: May 30, 2006
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Ross E. Longley, Amy E. Wright, John K. Reed
  • Patent number: 6835736
    Abstract: The subject invention provides novel compositions of biologically active discorhabdin compounds which can advantageously be used for inhibiting pathological cellular proliferation. The compounds of the subject invention have utility for use in the treatment of cancer, including tumors.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: December 28, 2004
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Ross E. Longley, Shirley A. Pomponi, Amy E. Wright
  • Patent number: 6602881
    Abstract: The subject invention pertains to compounds which are useful as anti-inflammatory agents and to compositions containing such compounds as active ingredients. The novel uses of the compounds relate to the anti-neurogenic inflammatory properties of the disclosed compounds. Specifically exemplified herein is the use of manzamines A, B, C, D, E, and F, and their salts, analogs, and derivatives.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: August 5, 2003
    Assignee: Harbor Branch Oceanograhic Institution, Inc.
    Inventors: Alejandro Mayer, Sarath P. Gunasekera, Shirley A. Pomponi, Susan H. Sennett
  • Patent number: 6495594
    Abstract: The subject invention provides novel compositions of biologically active discodermolide compounds which can advantageously be used for immunomodulation and/or treating cancer. The compounds of the subject invention have utility for use in the treatment of cancer, as tubulin polymerizers and as microtubule stabilization agents. The present invention also pertains to the identification of regions of the discodermolide molecule which are responsible for certain aspects of the bioactivity of discodermolide compounds.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: December 17, 2002
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Ross E. Longley, Richard A. Isbrucker, Gopal K. Paul, Shirley A. Pomponi, Amy E. Wright
  • Publication number: 20020187999
    Abstract: The subject invention pertains to compounds which are useful as anti-inflammatory agents and to compositions containing such compounds as active ingredients. The novel uses of the compounds relate to the anti-neurogenic inflammatory properties of the disclosed compounds. Specifically exemplified herein is the use of manzamines A, B, C, D, E, and F, and their salts, analogs, and derivatives.
    Type: Application
    Filed: May 13, 2002
    Publication date: December 12, 2002
    Inventors: Alejandro Mayer, Sarath P. Gunasekera, Shirley A. Pomponi, Susan H. Sennett
  • Patent number: 6476065
    Abstract: The subject invention provides novel biologically active compounds which are useful for inhibiting cellular proliferation. Because of the biological activity of these compounds, they can be used for immunomodulation and/or treating cancer. In a preferred embodiment, the novel compounds, compositions and methods of use of the subject invention can advantageously be used to inhibit the growth of tumor cells in a mammalian host. More particularly, the subject compounds can be used for inhibiting in a human the growth of tumor cells, including cells of breast, colon, CNS, ovarian, renal, prostate, bone, gastrointestinal, stomach, testicular, or lung tumors, as well as human leukemia or melanoma cells. Specifically exemplified are discalamides A and B.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: November 5, 2002
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Ross E. Longley, Gopal K. Paul, Richard A. Isbrucker, Shirley A. Pomponi
  • Patent number: 6387916
    Abstract: The subject invention pertains to compounds which are useful as anti-inflammatory agents and to compositions containing such compounds as active ingredients. The novel uses of the compounds relate to the anti-neurogenic inflammatory properties of the disclosed compounds. Specifically exemplified herein is the use of manzamines A, B, C, D, E, and F, and their salts, analogs, and derivatives.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: May 14, 2002
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Alejandro Mayer, Sarath P. Gunasekera, Shirley A. Pomponi, Susan H. Sennett
  • Publication number: 20020016357
    Abstract: The subject invention provides novel biologically active compounds which are useful for inhibiting cellular proliferation. Because of the biological activity of these compounds, they can be used for immunomodulation and/or treating cancer. In a preferred embodiment, the novel compounds, compositions and methods of use of the subject invention can advantageously be used to inhibit the growth of tumor cells in a mammalian host. More particularly, the subject compounds can be used for inhibiting in a human the growth of tumor cells, including cells of breast, colon, CNS, ovarian, renal, prostate, bone, gastrointestinal, stomach, testicular, or lung tumors, as well as human leukemia or melanoma cells. Specifically exemplified are discalamides A and B.
    Type: Application
    Filed: April 16, 2001
    Publication date: February 7, 2002
    Inventors: Sarath P. Gunasekera, Ross E. Longley, Gopal K. Paul, Richard A. Isbrucker, Shirley A. Pomponi
  • Publication number: 20010049387
    Abstract: The subject invention provides novel compositions of biologically active discodermolide compounds which can advantageously be used for immunomodulation and/or treating cancer. The compounds of the subject invention have utility for use in the treatment of cancer, as tubulin polymerizers and as microtubule stabilization agents. The present invention also pertains to the identification of regions of the discodermolide molecule which are responsible for certain aspects of the bioactivity of discodermolide compounds.
    Type: Application
    Filed: February 28, 2001
    Publication date: December 6, 2001
    Inventors: Sarath P. Gunasekera, Ross E. Longley, Richard A. Isbrucker, Gopal K. Paul, Shirley A. Pomponi, Amy E. Wright
  • Patent number: 6218419
    Abstract: The subject application concerns novel compounds with useful biological properties. For example, these compounds can be used as antinflammatory, anti-proliferative, immunomodulatory, and/or neuroprotective agents. Specific examples of the compounds of the subject invention include Secobatzelline A and Secobatzelline B, which can be isolated from marine sponges.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: April 17, 2001
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Peter J. McCarthy, Ross E. Longley, Shirley A. Pomponi, Amy E. Wright
  • Patent number: 6127406
    Abstract: Novel analogs of compounds from the marine sponge Discodermia dissoluta have been prepared. These compounds have been shown to have activity against mammalian cancer cells, and can be used in treating human patients which host cancer cells, including leukemia, melanoma, breast, colon, CNS, renal, ovarian, prostate, and lung tumors.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: October 3, 2000
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Ross E. Longley
  • Patent number: 6090811
    Abstract: A novel use for the class of biologically active bis-heterocyclic, e.g., bis-indole alkaloid compounds, which have been named topsentins, bromotopsentins, homocarbonyltopsentins, nortopsentins, hamacanthins, bis-indole ethylamines, or dragmacidins, pharmaceutical compositions containing the compounds, methods of producing the compounds, and methods of using the compounds are disclosed. Specifically, the novel utility pertains to the anti-neurogenic inflammatory properties exhibited by the bis-indole compounds and their analogs.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: July 18, 2000
    Assignees: Harbor Branch Oceanographic Institution, Inc., Regents of the Univ. of California
    Inventors: Robert S. Jacobs, Shirley A. Pomponi, Sarath P. Gunasekera, Amy E. Wright
  • Patent number: 5955462
    Abstract: A novel use for the class of biologically active bis-heterocyclic, e.g., bis-indole alkaloid compounds, which have been named topsentins, bromotopsentins, homocarbonyltopsentins, nortopsentins, hamacanthins, bis-indole ethylamines, or dragmacidins, pharmaceutical compositions containing the compounds, methods of producing the compounds, and methods of using the compounds are disclosed. Specifically, the novel utility pertains to the anti-neurogenicinflammatory properties exhibited by the bis-indole compounds and their analogs.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: September 21, 1999
    Assignees: Harbor Branch Oceanographic Institution, Inc., Regents of the Univ. of California
    Inventors: Robert S. Jacobs, Shirley A. Pomponi, Sarath P. Gunasekera, Amy E. Wright
  • Patent number: 5840750
    Abstract: Novel lactone compounds from the marine sponge Discodermia dissoluta have been isolated. These compounds and their analogs have been shown to have activity against mammalian cancer cells, and can be used in treating human patients which host cancer cells, including leukemia, melanoma, and breast, colon, CNS, and lung tumors.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: November 24, 1998
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Ross E. Longley, Sarath P. Gunasekera, Shirley A. Pomponi
  • Patent number: 5681847
    Abstract: Novel lactone compounds from the marine sponge Discodermia dissoluta have been isolated. These compounds and their analogs have been shown to have activity against mammalian cancer cells, and can be used in treating human patients which host cancer cells, including leukemia, melanoma, and breast, colon, CNS, and lung tumors.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: October 28, 1997
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Ross E. Longley, Sarath P. Gunasekera
  • Patent number: 5516755
    Abstract: A novel peptide, polydiscamide A, has been isolated from a marine sponge. This compound, and its derivatives, are useful as antibacterial and antitumor agents.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: May 14, 1996
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Nanda K. Gulavita, Sarath P. Gunasekera, Shirley A. Pomponi, Ross E. Longley, Peter J. McCarthy
  • Patent number: 5496950
    Abstract: A novel use for the class of biologically active bis-heterocyclic, e.g., bis-indole alkaloid compounds, which have been named topsentins, nortopsentins, hamacanthins, or dragmacidins, pharmaceutical compositions containing them, methods of producing the compounds, and methods of using the compounds are disclosed. Specifically, the novel utility pertains to the anti-inflammatory properties exhibited by the bis-indole compounds and their analogs.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: March 5, 1996
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Oliver J. McConnell, Gabriel Saucy, Robert Jacobs, Sarath P. Gunasekera
  • Patent number: 5464835
    Abstract: A novel use for the class of biologically active bis-heterocyclic, e.g., bis-indole alkaloid compounds, which have been named topsentins, nortopsentins, hamacanthins, or dragmacidins, pharmaceutical compositions containing them, methods of producing the compounds, and methods of using the compounds are disclosed. Specifically, the novel utility pertains to the anti-inflammatory properties exhibited by the bis-indole compounds and their analogs.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: November 7, 1995
    Assignees: Harbor Branch Oceanographic Institution, Inc., University of California
    Inventors: Oliver J. McConnell, Gabriel Saucy, Robert Jacobs, Sarath P. Gunasekera
  • Patent number: 5336757
    Abstract: A novel peptide, polydiscamide A, has been isolated from a marine sponge. This compound, and its derivatives, are useful as antibacterial agents.
    Type: Grant
    Filed: February 7, 1992
    Date of Patent: August 9, 1994
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Nanda K. Gulavita, Sarath P. Gunasekera, Shirley A. Pomponi, Ross E. Longley, Peter J. McCarthy
  • Patent number: 5073572
    Abstract: Novel acetylenic alcohols were isolated from the known marine sponge Cribrochalina vasculum. These compounds, and derivatives thereof, are useful agents for the treatment of cancers of humans and animals. Also, these compounds and their derivatives can be used as immunosuppressive agents for humans and animals.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: December 17, 1991
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Sarath P. Gunasekera, Glynn T. Faircloth, Amy E. Wright, Winnie C. Thompson, Neal Burres