Patents by Inventor Igor Starchenkov

Igor Starchenkov 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: 8288549
    Abstract: The invention relates to quinoline derivatives as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are glycine B antagonists and are therefore useful for the control and prevention of various disorders, including neurological disorders.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: October 16, 2012
    Assignee: Merz Pharma GmbH & Co. KGaA
    Inventors: Markus Henrich, Angela Bauer, Jens Nagel, Meik Sladek, Christopher Graham Raphael Parsons, Wojciech Danysz, Valerjans Kauss, Jevgenijs Rozhkovs, Igors Starchenkovs, Dina Trifanova
  • Publication number: 20110275810
    Abstract: This invention pertains to certain carbamic acid compounds which inhibit HDAC (histone deacetylase) activity of the following formula: The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and in the treatment of conditions mediated by HDAC, cancer, proliferative conditions, psoriasis, etc.
    Type: Application
    Filed: July 18, 2011
    Publication date: November 10, 2011
    Inventors: Clare J. Watkins, Maria-Rosario Romero-Martin, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Igor Starchenkov, Daina Lolya, Vija Gailite
  • Patent number: 7981895
    Abstract: This invention pertains to certain carbamic acid compounds which inhibit HDAC (histone deacetylase) activity of the following formula: The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and in the treatment of conditions mediated by HDAC, cancer, proliferative conditions, psoriasis, etc.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: July 19, 2011
    Assignee: Topotarget UK Limited
    Inventors: Clare J. Watkins, Maria-Rosario Romero-Martin, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Igor Starchenkov, Daina Lolya, Vija Gailite
  • Publication number: 20110105572
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: wherein: A is a C5-20heteroaryl or C5-20carboaryl group and is optionally substituted; Q1 is a C2-7alkylene group having a backbone of at least 2 carbon atoms, and is optionally substituted; J is —N(R1)C(?O)— or —C(?O)N(R1)—; R1 is hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl; and, Q2 is C1-7alkylene, C5-20arylene, C5-20arylene-C1-7alkylene, or C1-7alkylene-C5-20arylene having a backbone of at least 3 carbon atoms, and is optionally substituted; and pharmaceutically acceptable salts thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to treat proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: January 4, 2011
    Publication date: May 5, 2011
    Inventors: Clare J. Watkins, Maria Rosario Romero-Martin, Kathryn G. Moore, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Igor Starchenkov, Klara Dikovska, Rasma M. Bokaldere, Vija Gailite, Maxim Vorona, Victor Andrianov, Daina Lolya, Valentina Semenikhina, Andris Amolins, C. John Harris, James E.S. Duffy
  • Patent number: 7880020
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the formula (1) wherein: A is an aryl group; Q1 is an aryl leader group having a backbone of at least 2 carbon atoms; J is an amide linkage selected from: —NR1C(?O)— and —C(?O)NR1—; R1 is an amido substituent; and, Q2 is an acid leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psorias.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: February 1, 2011
    Assignee: Topotarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Igor Starchenkov, Klara Dikovska, Rasma M Bokaldere, Vija Gailite, Maxim Vorona, Victor Andrianov, Daina Lolya, Valentina Semenikhina, Andris Amolins, C. John Harris, James E S Duffy
  • Publication number: 20100249197
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the formula (1) wherein: A is an aryl group; Q1 is an aryl leader group having a backbone of at least 2 carbon atoms; J is an amide linkage selected from: —NR1C(?O)— and —C(?O)NR1—; R1 is an amido substituent; and, Q2 is an acid leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g.
    Type: Application
    Filed: June 3, 2009
    Publication date: September 30, 2010
    Inventors: Clare J. Watkins, Maria Rosario Romero-Martin, Kathryn G. Moore, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Igor Starchenkov, Klara Dikovska, Rasma Bokaldere, Vija Gailite, Maxim Vorona, Victor Andrianov, Daina Lolya, Valentina Semenikhina, Andris Amolins, C. John Harris, James E.S. Duffy
  • Patent number: 7629343
    Abstract: This invention pertains to certain carbamic acid compounds which inhibit HDAC (histone deacetylase) activity of the following formula: wherein: Cy is independently a cyclyl group; Q1 is independently a covalent bond or cyclyl leader group; the piperazin-1,4-diyl group is optionally substituted; J1 is independently a covalent bond or —C(?; O)—; J2 is independently —C(?O)— or —S(?O)2—; Q2 is independently an acid leader group; wherein: Cy is independently: C3-20carbocyclyl, C3-20heterocyclyl, or C5-20aryl; and is optionally substituted; Q1 is independently: a covalent bond; C1-7alkylene; or C1-7alkylene-X—C1-7alkylene, —X—C1-7alkylene, or C1-7alkylene-X—, wherein X is —O— or —S—; and is optionally substituted; Q2 is independently: C4-8alkylene; and is optionally substituted; and has a backbone length of at least 4 atoms; or: Q2 is independently: C5-20arylene; C5-20arylene-C1-7alkylene; C1-7alkylene-C5-20arylene; or, C1-7alkylene-C5-20arylene-C1-7alkylene; and is optionally substituted; and has a backbone le
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: December 8, 2009
    Assignee: Topotarget UK Limited
    Inventors: Clare J. Watkins, Maria-Rosario Romero-Martin, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Igor Starchenkov, Daina Lolya, Vija Gailite
  • Patent number: 7569724
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the formula (1) wherein: A is an aryl group; Q1 is an aryl leader group having a backbone of at least 2 carbon atoms; J is an amide linkage selected from: —NR1C(?O)— and —C(?O)NR1-; R1 is an amido substituent; and, Q2 is an acid leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: August 4, 2009
    Assignee: Topotarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Igor Starchenkov, Klara Dikovska, Rasma M Bokaldere, Vija Gailite, Maxim Vorona, Victor Andrianov, Daina Lolya, Valentina Semenikhina, Andris Amolins, C. John Harris, James E. S. Duffy
  • Publication number: 20080269237
    Abstract: This invention pertains to certain carbamic acid compounds which inhibit HDAC (histone deacetylase) activity of the following formula: The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and in the treatment of conditions mediated by HDAC, cancer, proliferative conditions, psoriasis, etc.
    Type: Application
    Filed: July 1, 2008
    Publication date: October 30, 2008
    Applicant: TOPOTARGET UK LIMITED
    Inventors: Clare J. WATKINS, Maria-Rosario Romero-Martin, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Igor Starchenkov, Daina Lolya, Vija Gailite
  • Publication number: 20080161401
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: February 13, 2008
    Publication date: July 3, 2008
    Applicant: TOPOTARGET UK LIMITED
    Inventors: Clare J. Watkins, Maria Rosario Romero-Martin, Kathryn G. Moore, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James E. S. Duffy
  • Patent number: 7183298
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: February 27, 2007
    Assignee: Topotarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James E. S. Duffy
  • Patent number: 6960685
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: wherein: A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is an amide linkage selected from: —NR1C(?O)— and —C(?O)NR1—; R1 is an amido substituent; X is an ether heteroatom, and is —O— or —S—; and, R2 and R3 are each independently an ether group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: November 1, 2005
    Assignee: TopoTarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Paul W Finn, Ivars Kalvinsh, Einars Loza, Daina Lolya, Igor Starchenkov, Rasma M Bokaldere, Valentina Semenikhina, C. John Harris, James E. S. Duffy
  • Publication number: 20050143385
    Abstract: This invention pertains to certain carbamic acid compounds which inhibit HDAC (histone deacetylase) activity of the following formula: wherein: Cy is independently a cyclyl group; Q1 is independently a covalent bond or cyclyl leader group; the piperazin-1,4-diyl group is optionally substituted; J1 is independently a covalent bond or —C(?;O)—; J2 is independently —C(?O)— or —S(?O)2—; Q2 is independently an acid leader group; wherein: Cy is independently: C3-20carbocyclyl, C3-20heterocyclyl, or C5-20aryl; and is optionally substituted; Q1 is independently: a covalent bond; C1-7alkylene; or C1-7alkylene-X—C1-7alkylene, —X—C1-7alkylene, or C1-7alkylene-X—, wherein X is —O— or —S—; and is optionally substituted; Q2 is independently: C4-8alkylene; and is optionally substituted; and has a backbone length of at least 4 atoms; or: Q2 is independently: C5-20arylene; C5-20arylene-C1-7alkylene; C1-7alkylene-C5-20arylene; or, C1-7alkylene-C5-20arylene-C1-7alkylene; and is optionally substituted; and has a backbone le
    Type: Application
    Filed: April 3, 2003
    Publication date: June 30, 2005
    Inventors: Clare Watkins, Maria-Rosario Romero-Martin, James Ritchie, Paul Finn, Ivars Kalvinsh, Einars Loza, Klar Dikovska, Igor Starchenkov, Daina Lolya, Vija Gailite
  • Publication number: 20050107445
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: March 29, 2004
    Publication date: May 19, 2005
    Applicant: PROLIFIX LIMITED
    Inventors: Clare Watkins, Maria Rosario Romero-Martin, Kathryn Moore, James Ritchie, Paul Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. Harris, James Duffy
  • Patent number: 6888027
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: May 3, 2005
    Assignee: Topotarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James E. S. Duffy
  • Publication number: 20050085515
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: September 30, 2004
    Publication date: April 21, 2005
    Applicant: Topo Target UK Limited,
    Inventors: Clare Watkins, Maria Rosario Romero-Martin, Kathryn Moore, James Ritchie, Paul Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James Duffy
  • Publication number: 20040198830
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula(l) wherein: A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is an amide linkage selected from: —NR1C(═O)— and —C(═O)NR1—; R1 is an amido substituent; X is an ether heteroatom, and is —O— or —S—; and, R2 and R3 are each independently an ether group; and pharmaceutically acceptable salts, solvates, amides, esters, ether chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: July 28, 2003
    Publication date: October 7, 2004
    Inventors: Clare J. Watkins, Maria Rosario Romero-Martin, Paul W Finn, Ivars Kalvinsh, Einars Loza, Daina Lolya, Igor Starchenkov, Rasma M Bokaldere, Valentina Semenikhina, C. John Harris, James E.S. Duffy
  • Publication number: 20040092598
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the formula (1) wherein: A is an aryl group; Q1 is an aryl leader group having a backbone of at least 2 carbon atoms; J is an amide linkage selected from: —NR1C(═O)—and —C(═O)NR1—; R1 is an amido substituent; and, Q2 is an acid leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: August 27, 2003
    Publication date: May 13, 2004
    Inventors: Clare J. Watkins, Maria Rosario Romero-Martin, Kathryn G. Moore, James Ritchie, Paul W. Finn, Ivars Kalvinsh, Einars Loza, Igor Starchenkov, Klara Dikovska, Rasma Bokaldere, Vija Gailite, Maxim Vorona, Victor Andrianov, Daina Lolya, Valentina Seminkhina, Andris Amolins, C.John Harris, James E. S. Duffy
  • Publication number: 20040077726
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S (═O)2NR1— and —NR1S(═O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(═O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Application
    Filed: August 20, 2003
    Publication date: April 22, 2004
    Inventors: Clare Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James E.S. Duffy
  • Publication number: 20030195212
    Abstract: The present invention relates to novel aromatic amines of general formula (I) and to the use of these amines for the treatment of obesity, anorexia, inflammation, mental disorders an other diseases associated with the melanocortin receptors or related systems, e.g. the melanocyte stimulating hormones.
    Type: Application
    Filed: November 20, 2002
    Publication date: October 16, 2003
    Inventors: Torbjorn Lundstedt, Anna Skottner, Elisabeth Seifert, Igor Starchenkov, Peteris Trapencieris, Valerjans Kauss, Ivars Kalvins, Arne Boman