Patents Assigned to Siga Technologies, Inc.
  • Publication number: 20140378681
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel semicarbazides, sulfonyl carbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to Arenaviridae (Junin, Machupo, Guanavito, Sabia and Lassa), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: February 26, 2013
    Publication date: December 25, 2014
    Applicant: Siga Technologies Inc.
    Inventors: Dongcheng Dai, Tove Bolken, Sean M. Amberg, Dennis E. Hruby, Thomas R. Bailey, Jack H. Nunberg, Celestine Johnson Thomas
  • Publication number: 20140316145
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus.
    Type: Application
    Filed: July 3, 2014
    Publication date: October 23, 2014
    Applicant: SIGA TECHNOLOGIES, INC.,
    Inventors: Robert JORDAN, Thomas R. BAILEY, Susan R. RIPPIN, Dongcheng DAI
  • Publication number: 20140301979
    Abstract: Described herein are 4-methyl-piperazine-1-carbothioic acid amide derivatives and analogs, as well as compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by hemorrhagic fever viruses, such as Arenaviruses.
    Type: Application
    Filed: June 25, 2014
    Publication date: October 9, 2014
    Applicant: SIGA TECHNOLOGIES, INC.,
    Inventors: Sean M. AMBERG, Dongcheng DAI, Tove C. BOLKEN, Dennis E. HRUBY
  • Publication number: 20140275037
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel semicarbazides, sulfonyl carbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to Arenaviridae (Junin, Machupo, Guanavito, Sabia and Lassa), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: December 19, 2013
    Publication date: September 18, 2014
    Applicant: Siga Technologies, Inc.
    Inventors: Yijun Deng, Theodore J. Nitz, Thomas R. Bailey, Yanming Zhang, Sylvie Laquerre
  • Publication number: 20140243367
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family such as Lassa fever, Argentine hemorrhagic fever, Bolivian hemorrhagic fever, and Venezuelan hemorrhagic fever.
    Type: Application
    Filed: May 7, 2014
    Publication date: August 28, 2014
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Dongcheng DAI, Dennis E. HRUBY, Tove C. BOLKEN, Sean M. AMBERG, Ryan A. LARSON
  • Patent number: 8802714
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: August 12, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Robert F. Jordan, Thomas R. Bailey, Susan R. Rippin, Dongcheng Dai
  • Patent number: 8791110
    Abstract: Described herein are 4-methyl-piperazine-1-carbothioic acid amide derivatives and analogs, as well as compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by hemorrhagic fever viruses, such as Arenaviruses.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: July 29, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Sean M. Amberg, Dongcheng Dai, Tove C. Bolken, Dennis E. Hruby
  • Patent number: 8754082
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family such as Lassa fever, Argentine hemorrhagic fever, Bolivian hemorrhagic fever, and Venezuelan hemorrhagic fever.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: June 17, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Dongcheng Dai, Dennis E. Hruby, Tove C. Bolken, Sean M. Amberg, Ryan A. Larson
  • Publication number: 20140128426
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family such as Lassa fever, Argentine hemorrhagic fever, Bolivian hemorrhagic fever, and Venezuelan hemorrhagic fever.
    Type: Application
    Filed: May 9, 2013
    Publication date: May 8, 2014
    Applicant: Siga Technologies Inc.
    Inventor: Siga Technologies Inc.
  • Publication number: 20140100245
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family is disclosed.
    Type: Application
    Filed: November 27, 2013
    Publication date: April 10, 2014
    Applicant: SIGA TECHNOLOGIES, INC.
    Inventors: Dongcheng Dai, DENNIS E. HRUBY, TOVE C. BOLKEN, SEAN M. AMBERG, TRAVIS K. WARREN
  • Patent number: 8664274
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: March 4, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Dongcheng Dai, Tove Bolken, Dennis E. Hruby, Thomas R. Bailey
  • Patent number: 8658697
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: February 25, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Dongcheng Dai, Tove Bolken, Dennis E. Hruby, Thomas R. Bailey
  • Patent number: 8642596
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel semicarbazides, sulfonyl carbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to Arenaviridae (Junin, Machupo, Guanavito, Sabia and Lassa), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: February 4, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Yijun Deng, Theodore J. Nitz, Thomas R. Bailey, Yuanming Zhang, Sylvie Laquerre
  • Patent number: 8629170
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pichinde, and LCMV), Filoviridae (Ebola and Marburg viruses), Flaviviridae (yellow fever, Omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: January 14, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Dennis E. Hruby, Tove Bolken, Sean M. Amberg, Dongcheng Dai
  • Publication number: 20140011854
    Abstract: The present invention provides for a novel liquid formulation for solubilizing poorly soluble ST-246 in cyclodextrins and a novel process of making the formulation.
    Type: Application
    Filed: August 2, 2011
    Publication date: January 9, 2014
    Applicant: Siga Technologies Inc.
    Inventors: Shanthakumar R. Tyavanagimatt, Melialani A.C.L. Stone, William Weimers, Krishna Gopi Kasi, Peter N.K. Samuel, Tove' C. Bolken, Dennis E. Hruby
  • Patent number: 8623347
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family is disclosed.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: January 7, 2014
    Assignee: Siga Technologies, Inc.
    Inventors: Dongcheng Dai, Dennis E. Hruby, Tove C. Bolken, Sean M. Amberg, Travis K. Warren
  • Publication number: 20130345278
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus.
    Type: Application
    Filed: August 14, 2013
    Publication date: December 26, 2013
    Applicant: Siga Technologies, Inc.
    Inventors: Robert F. Jordan, Thomas R. Bailey, Susan R. Rippin, Dongcheng Dai
  • Publication number: 20130303491
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by flavivirus is disclosed, i.e., including but not limited to, Dengue virus, West Nile virus, yellow fever virus, Japanese encephalitis virus, and tick-borne encephalitis virus.
    Type: Application
    Filed: July 22, 2013
    Publication date: November 14, 2013
    Applicant: Siga Technologies Inc.
    Inventors: Chelsea M. Byrd, Robert Jordan, Dongcheng Dai, Tove Bolken, Dennis E. Hruby
  • Publication number: 20130261087
    Abstract: Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).
    Type: Application
    Filed: July 6, 2011
    Publication date: October 3, 2013
    Applicant: SIGA TECHNOLOGIES INC.
    Inventors: DONGCHENG DAI, TOVE C. BOLKEN, DENNIS E. HRUBY, THOMAS R. BAILEY
  • Patent number: 8530509
    Abstract: Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases caused by the orthopoxvirus.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: September 10, 2013
    Assignee: Siga Technologies, Inc.
    Inventors: Robert Jordan, Thomas R. Bailey, Susan R. Rippin, Dongcheng Dai