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).
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Publication number: 20220064106Abstract: The present invention provides, in part a novel class of nonoate compounds which exhibit nitric oxide releasing activity and their pharmaceutically acceptable salts, esters and prodrugs. The compounds release nitric oxide upon activation by contact with plasma. The present invention also relates to the use of the disclosed compounds to deliver nitric oxide to treat disorders arising from nitric oxide dysregulation.Type: ApplicationFiled: September 14, 2021Publication date: March 3, 2022Inventors: Steven RIESINGER, Tsvetelina LAZAROVA, Zinadia RIBKOVSKAIA
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Patent number: 11148999Abstract: The present invention provides, in part a novel class of nonoate compounds which exhibit nitric oxide releasing activity and their pharmaceutically acceptable salts, esters and prodrugs. The compounds release nitric oxide upon activation by contact with plasma. The present invention also relates to the use of the disclosed compounds to deliver nitric oxide to treat disorders arising from nitric oxide dysregulation.Type: GrantFiled: June 21, 2017Date of Patent: October 19, 2021Assignee: MedChem Partners, LLCInventors: Steven Riesinger, Tsvetelina Lazarova, Zinadia Ribkovskaia
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Publication number: 20190345099Abstract: The present invention provides, in part a novel class of nonoate compounds which exhibit nitric oxide releasing activity and their pharmaceutically acceptable salts, esters and prodrugs. The compounds release nitric oxide upon activation by contact with plasma. The present invention also relates to the use of the disclosed compounds to deliver nitric oxide to treat disorders arising from nitric oxide dysregulation.Type: ApplicationFiled: June 21, 2017Publication date: November 14, 2019Inventors: Steven RIESINGER, Tsvetelina LAZAROVA, Zinadia RIBKOVSKAIA
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Publication number: 20090143351Abstract: Compounds are provided which have the structure Wherein A, B, C, D, m, Y, Ra, Rc, Rd, and Rd? are as described herein, and which are useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor VIIa, Factor XIa, and urokinase-type plasminogen activator and may be employed in preventing and/or treating asthma, chronic asthma, allergic rhinitis, and thrombotic disorders.Type: ApplicationFiled: January 26, 2009Publication date: June 4, 2009Applicant: DAIAMEDInventors: Thomas Bannister, Cassandra Celatka, Nizal S. Chandrakumar, Hongfeng Deng, Zihong Guo, Lei Jin, Tsvetelina Lazarova, Jian Lin, Scott T. Moe, Pamela Nagafuji, Manuel Navia, Amy Ripka, Michael J. Rynkiewicz, Kerry L. Spear, James E. Stickler, Roger Xie
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Patent number: 7501404Abstract: Compounds are provided which have the structure Wherein A, B, C, D, m, Y, Ra, Rc, Rd, and Rd? are as described herein, and which are useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor VIIa, Factor XIa, and urokinase-type plasminogen activator and may be employed in preventing and/or treating asthma, chronic asthma, allergic rhinitis, and thrombotic disorders.Type: GrantFiled: April 4, 2006Date of Patent: March 10, 2009Assignee: DAIMEDInventors: Thomas Bannister, Cassandra Celatka, Nizal S. Chandrakumar, Hongfeng Deng, Zihong Guo, Lei Jin, Tsvetelina Lazarova, Jian Lin, Scott T. Moe, Pamela Nagafuji, Manuel Navia, Amy Ripka, Michael J. Rynkiewicz, Kerry L. Spear, James E. Stickler, Roger Xie
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Publication number: 20090011977Abstract: 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: ApplicationFiled: June 27, 2008Publication date: January 8, 2009Inventors: 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
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Publication number: 20080287347Abstract: 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: ApplicationFiled: June 27, 2008Publication date: November 20, 2008Inventors: 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
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Patent number: 7408025Abstract: 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: GrantFiled: December 15, 2000Date of Patent: August 5, 2008Assignee: Cubist Pharmaceuticals, Inc.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
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Patent number: 7335725Abstract: 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: GrantFiled: May 4, 2005Date of Patent: February 26, 2008Assignee: Cubist Pharmaceuticals, Inc.Inventors: Jason Hill, Ian Parr, Michael Morytko, Jim Siedlecki, Xian Yang Yu, Jared Silverman, Dennis Keith, John Finn, Dale Christensen, Tsvetelina Lazarova, Alan D. Watson, Yan Zhang
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Publication number: 20070105832Abstract: Compounds are provided which have the structure Wherein A, B, C, D, m, Y, Ra, Rc, Rd, and Rd? are as described herein, and which are useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor VIIa, Factor XIa, and urokinase-type plasminogen activator and may be employed in preventing and/or treating asthma, chronic asthma, allergic rhinitis, and thrombotic disorders.Type: ApplicationFiled: April 4, 2006Publication date: May 10, 2007Inventors: Thomas Bannister, Cassandra Celatka, Nizal Chandrakumar, Hongfeng Deng, Zihong Guo, Lei Jin, Tsvetelina Lazarova, Jian Lin, Scott Moe, Pamela Nagafuji, Manuel Navia, Amy Ripka, Michael Rynkiewicz, Kerry Spear, James Stickler, Roger Xie
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Patent number: 7012065Abstract: The present invention relates to novel semi-synthetic cyclosporin analogs for the prevention of organ transplantation rejection and the treatment of immune disorders and inflammation, their use as pharmaceuticals and pharmaceutical composition comprising them, as well as the processes for the their production. The present invention provides a cyclosporin compound of the following Formula (1) or its pharmaceutically acceptable salt, ester or prodrug thereof. In the compound of Formula (1), moiety “A” is Wherein “X” and “Y” are defined herein.Type: GrantFiled: February 7, 2003Date of Patent: March 14, 2006Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yat Sun Or, Tsvetelina Lazarova, Jason Shih-Hao Chen
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Patent number: 7012064Abstract: 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: in Formula (I), the formula for residue A is:Type: GrantFiled: January 23, 2003Date of Patent: March 14, 2006Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yat Sun Or, Tsvetelina Lazarova, Jens Werner Eckstein
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Patent number: 6979671Abstract: The present invention relates to a cyclosporin analog of the following formula (I) or its pro-drug or pharmaceutically acceptable salt: In formula I, the formula for residue A is: where X and Y are defined according to the claimed invention the present invention also relates to pharmaceutical compositions comprising pro-drugs or pharmaceutically acceptable salts of the compounds of the present invention and the use thereof for treating an inflammatory or immune disorder in a subject need of such treatment.Type: GrantFiled: January 23, 2003Date of Patent: December 27, 2005Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yat Sun Or, Tsvetelina Lazarova, Jens Werner Eckstein
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Publication number: 20050203006Abstract: 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: ApplicationFiled: May 4, 2005Publication date: September 15, 2005Inventors: Jason Hill, Ian Parr, Michael Morytko, Jim Siedlecki, Xian Yu, Jared Silverman, Dennis Keith, John Finn, Dale Christensen, Tsvetelina Lazarova, Alan Watson, Yan Zhang
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Patent number: 6911525Abstract: 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: GrantFiled: December 15, 2000Date of Patent: June 28, 2005Assignee: Cubist Pharmaceuticals, Inc.Inventors: Jason Hill, Ian Parr, Michael Morytko, Jim Siedlecki, Xian Yang Yu, Jared Silverman, Dennis Keith, John Finn, Dale Christensen, Tsvetelina Lazarova, Alan D. Watson, Yan Zhang
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Patent number: 6794490Abstract: 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: GrantFiled: December 15, 2000Date of Patent: September 21, 2004Assignee: Cubist Pharmaceuticals, Inc.Inventors: Jason Hill, Ian Parr, Michael Morytko, Jim Siedlecki, Xian Yang Yu, Jared Silverman, Dennis Keith, John Finn, Dale Christensen, Tsvetelina Lazarova, Alan D. Watson, Yan Zhang
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Patent number: 6784156Abstract: The present invention relates to novel semisynthetic cyclosporin analogs of Formula (I): X is absent, —C1-C6 alkyl-, or —C3-C6 cycloalkyl- Y is selected from the group consisting of: (i) C(O)—O—R1, where R1 is hydrogen, C1-C6 alkyl, optionally substituted with halogen, heterocyclic, aryl, C1-C6 alkoxy, C1-C6 alkylthio, halogen-substituted C1-C6 alkoxy, or halogen-substituted C1-C6 alkylthio; (ii) C(O)—S—R1, where R1 is as previously defined; (iii) C(O)—OCH2—OC(O)R2, where R2 is C1-C6 alkyl, optionally substituted with halogen, C1-C6 alkoxy; C1-C6 alkylthio, heterocyclic or aryl; (iv) C(S)—O—R1, where R1 is as previously defined, and (v) C(S)—S—R1, where R1 is as previously defined; B is -&agr;Abu-, -Val-, -Thr- or -Nva-; and U is -(D)Ala-, -(D)Ser-, —[O-(2-hydroxyethyl)(D)Ser]-, —[O-acyl(D)Ser]- or —[O-(2-acyloxyethyl)(D)Ser]-.Type: GrantFiled: March 5, 2001Date of Patent: August 31, 2004Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yat Sun Or, Tsvetelina Lazarova
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Publication number: 20040157768Abstract: The present invention provides a cyclosporin of the following Formula (I), A compound of Formula (I) 1Type: ApplicationFiled: February 7, 2003Publication date: August 12, 2004Inventors: Yat Sun Or, Tsvetelina Lazarova, Jason Shih-Hao Chen
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Publication number: 20040110666Abstract: The present invention provides a cyclosporin of the following Formula (I), 1Type: ApplicationFiled: December 4, 2002Publication date: June 10, 2004Inventors: Yat Sun Or, Tsvetelina Lazarova, Jason Shih-Hao Chen
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Publication number: 20040067878Abstract: 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: ApplicationFiled: December 15, 2000Publication date: April 8, 2004Inventors: 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