Patents by Inventor Tsvetelina Ivanova Lazarova

Tsvetelina Ivanova 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).

  • Patent number: 6809077
    Abstract: The present invention relates to a cyclosporin analog of the following formula (I) or a pro-drug or pharmaceutically acceptable salt thereof: In particular, residue A maybe represented by either formula A1 or A2 as illustrated below: where X and Y are defined herein. In a second embodiment, the present invention relates to pharmaceutical compositions comprising pro-drugs or pharmaceutically acceptable salts of the compounds of the present invention and the use thereof for treating autoimmune diseases or for the prevention of organ transplantation rejection in a subject. In a third embodiment, the present invention relates to processes for the production of novel cyclosporin analogs of the present invention.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: October 26, 2004
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yat Sun Or, Tsvetelina Ivanova Lazarova, Blake Christopher Hamann, Jason Shih-Hao Chen
  • Publication number: 20030109425
    Abstract: the present invention relates to a cyclosporin analog of the following formula (I) or a pro-drug or pharmaceutically acceptable salt thereof: 1
    Type: Application
    Filed: January 16, 2003
    Publication date: June 12, 2003
    Inventors: Yat Sun Or, Tsvetelina Ivanova Lazarova
  • Publication number: 20030104992
    Abstract: The present invention relates to a cyclosporin analog of the following formula (I) or a pro-drug or pharmaceutically acceptable salt thereof: 1
    Type: Application
    Filed: October 12, 2001
    Publication date: June 5, 2003
    Inventors: Yat Sun Or, Tsvetelina Ivanova Lazarova, Blake Christopher Hamann, Jason Shih-Hao Chen
  • Publication number: 20030087813
    Abstract: the present invention relates to a cyclosporin analog of the following formula (I) or a pro-drug or pharmaceutically acceptable salt thereof: 1
    Type: Application
    Filed: October 12, 2001
    Publication date: May 8, 2003
    Inventors: Yat Sun Or, Tsvetelina Ivanova Lazarova