Patents by Inventor Tsvetelina Lazarova

Tsvetelina Lazarova 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: 20030186855
    Abstract: The present invention relates to methods of treating or preventing an inflammatory or immune disorder in a subject while eliminating or reducing the toxicity associated with the administration of cyclosporin A, comprising systemically administering to said subject a pharmaceutical composition comprising a therapeutically effective amount of at least one compound of Formula (I) or a pharmaceutically acceptable salt, ester or prodrug thereof, in combination with a pharmaceutically acceptable carrier or excipient: 1
    Type: Application
    Filed: January 23, 2003
    Publication date: October 2, 2003
    Inventors: Yat Sun Or, Tsvetelina Lazarova, Jens Werner Eckstein
  • Publication number: 20030166515
    Abstract: The present invention relates to methods of treating or preventing an inflammatory or immune disorder in a subject while eliminating or reducing the toxicity associated with the administration of cyclosporin A, comprising systemically administering to said subject a pharmaceutical composition comprising a therapeutically effective amount of at least one compound of Formula I or a pharmaceutically acceptable salt, ester or prodrug thereof, in combination with a pharmaceutically-acceptable carrier or excipient: 1
    Type: Application
    Filed: January 23, 2003
    Publication date: September 4, 2003
    Inventors: Yat Sun Or, Tsvetelina Lazarova, Jens Werner Eckstein
  • Publication number: 20030109426
    Abstract: The present invention relates to novel semisynthetic cyclosporin analogs of formula (I): 1
    Type: Application
    Filed: January 16, 2003
    Publication date: June 12, 2003
    Inventors: Yat Sun Or, Tsvetelina Lazarova
  • Publication number: 20020142946
    Abstract: The present invention relates to novel semisynthetic cyclosporin analogs of Formula (I): 1
    Type: Application
    Filed: March 5, 2001
    Publication date: October 3, 2002
    Inventors: Yat Sun Or, Tsvetelina Lazarova
  • Publication number: 20020128212
    Abstract: There is described a novel class of ring contracted 14-membered macrolides, and pharmaceutically acceptable salts, esters and prodrugs thereof, having antibacterial activity, compositions comprising a therapeutically effective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier as well as a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically effective amount of a compound of the invention.
    Type: Application
    Filed: December 22, 2000
    Publication date: September 12, 2002
    Inventors: Yat Sun Or, Tsvetelina Lazarova, Sophie Binet, Jianchao Wang
  • Patent number: 6440942
    Abstract: There is described a novel class of ring contracted 14-membered macrolides, and pharmaceutically acceptable salts, esters and prodrugs thereof, having antibacterial activity, compositions comprising a therapeutically effective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier as well as a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically effective amount of a compound of the invention. There are also described synthetic processes for preparing the compounds of the invention.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: August 27, 2002
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yat Sun Or, Tsvetelina Lazarova, Sophie Binet, Jianchao Wang
  • Publication number: 20020058785
    Abstract: The present invention relates to novel lipopeptide compounds. The invention also relates to pharmaceutical compositions of these compounds and methods of using these compounds as antibacterial compounds. The invention also relates to methods of producing these novel lipopeptide compounds and intermediates used in producing these compounds.
    Type: Application
    Filed: December 15, 2000
    Publication date: May 16, 2002
    Inventors: Jason Hill, Ian Parr, Michael Morytko, Jim Siedlecki, Xiang Yang Yu, Jared Silverman, Dennis Keith, John Finn, Dale Christensen, Tsvetelina Lazarova, Alan D. Watson, Yan Zhang
  • Publication number: 20020025924
    Abstract: The present invention relates to novel lipopeptide compounds. The invention also relates to pharmaceutical compositions of these compounds and methods of using these compounds as antibacterial compounds. The invention also relates to methods of producing these novel lipopeptide compounds and intermediates used in producing these compounds.
    Type: Application
    Filed: December 15, 2000
    Publication date: February 28, 2002
    Inventors: Jason Hill, Ian Parr, Michael Morytko, Jim Siedlecki, Xiang Yang Yu, Jared Silverman, Dennis Keith, John Finn, Dale Christensen, Tsvetelina Lazarova, Alan D. Watson, Yan Zhang