Patents by Inventor Martin De Kort

Martin De Kort 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: 10155259
    Abstract: The invention relates to FSH receptor antagonist according to general formula I or a pharmaceutically acceptable salt thereof and to a pharmaceutical composition containing the same. The compounds can be used for the treatment and prevention of endometriosis, for the treatment and prevention of pre-menopausal and peri-menopausal hormone-dependent breast cancer, for contraception, and for the treatment of uterine fibroids and other menstrual-related disorders.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: December 18, 2018
    Assignee: Merck Sharp & Dohme B.V.
    Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
  • Publication number: 20150329545
    Abstract: The invention relates to FSH receptor antagonist according to general formula I or a pharmaceutically acceptable salt thereof and to a pharmaceutical composition containing the same. The compounds can be used for the treatment and prevention of endometriosis, for the treatment and prevention of pre-menopausal and peri-menopausal hormone-dependent breast cancer, for contraception, and for the treatment of uterine fibroids and other menstrual-related disorders.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 19, 2015
    Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
  • Patent number: 9127038
    Abstract: The invention relates to kisspeptide-pentasaccharide conjugates having the general formula (I) wherein Z1 is Tyr or D-Tyr; Z3 is Trp, Hyp, Phe or Lys(R2); Z5 is Thr, Aib or Ala; Z7 is Gly or azaGly; Z8 is Leu; or Z7 and Z8 together represent; Z10 is Phe or Trp; n is 0 or 1; or R2, when present, represents a pentasaccharide derivative having the formula (II) wherein R is methyl or SO3X; X is a positively charged counterion; with the proviso that when R2 is present, R1 is H or (C1-6) alkylcarbonyl; R3 is H or (C1-3)alkyl; and L represents a pharmacologically inactive linker moiety having 10-50 atoms; or a pharmaceutically acceptable salt thereof; to pharmaceutical compositions comprising the same as well as to the use of said kisspeptide-pentasaccharide conjugates in the treatment of female infertility.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: September 8, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Marion Blomenrohr, Martin De Kort, Miranda Maria Cornelia Van Der Lee, Jeffry Abraham Jacobus Wisse
  • Patent number: 9127007
    Abstract: The invention relates to FSH receptor antagonist according to general formula (I) or a pharmaceutically acceptable salt thereof and to a pharmaceutical composition containing the same. The compounds can be used for the treatment and prevention of endometriosis, for the treatment and prevention of pre-menopausal and peri-menopausal hormone-dependent breast cancer, for contraception, and for the treatment of uterine fibroids and other menstrual-related disorders.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 8, 2015
    Assignee: Merck Sharp & Dohme B.V.
    Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
  • Patent number: 9044463
    Abstract: The invention relates to FSH receptor antagonist according to general formula I or a pharmaceutically acceptable salt thereof and to a pharmaceutical composition containing the same. The compounds can be used for the treatment and prevention of endometriosis, for the treatment and prevention of pre-menopausal and peri-menopausal hormone-dependent breast cancer, for contraception, and for the treatment of uterine fibroids and other menstrual-related disorders.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 2, 2015
    Assignee: Merck Sharp & Dohme B.V.
    Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Cristian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
  • Publication number: 20140350043
    Abstract: The invention relates to FSH receptor antagonist according to general formula (I) or a pharmaceutically acceptable salt thereof and to a pharmaceutical composition containing the same. The compounds can be used for the treatment and prevention of endometriosis, for the treatment and prevention of pre-menopausal and peri-menopausal hormone-dependent breast cancer, for contraception, and for the treatment of uterine fibroids and other menstrual-related disorders.
    Type: Application
    Filed: September 14, 2012
    Publication date: November 27, 2014
    Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
  • Publication number: 20140256725
    Abstract: The invention relates to FSH receptor antagonist according to general formula I or a pharmaceutically acceptable salt thereof and to a pharmaceutical composition containing the same. The compounds can be used for the treatment and prevention of endometriosis, for the treatment and prevention of pre-menopausal and peri-menopausal hormone-dependent breast cancer, for contraception, and for the treatment of uterine fibroids and other menstrual-related disorders.
    Type: Application
    Filed: September 14, 2012
    Publication date: September 11, 2014
    Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Matthijs Poulie, Cornelis Marius Timmers, Saskia Vertaik
  • Publication number: 20140206627
    Abstract: The invention relates to kisspeptide-pentasaccharide conjugates having the general formula (I) wherein Z1 is Tyr or D-Tyr; Z3 is Trp, Hyp, Phe or Lys(R2); Z5 is Thr, Aib or Ala; Z7 is Gly or azaGly; Z8 is Leu; or Z7 and Z8 together represent; Z10 is Phe or Trp; n is 0 or 1; or R2, when present, represents a pentasaccharide derivative having the formula (II) wherein R is methyl or SO3X; X is a positively charged counterion; with the proviso that when R2 is present, R1 is H or (C1-6) alkylcarbonyl; R3 is H or (C1-3)alkyl; and L represents a pharmacologically inactive linker moiety having 10-50 atoms; or a pharmaceutically acceptable salt thereof; to pharmaceutical compositions comprising the same as well as to the use of said kisspeptide-pentasaccharide conjugates in the treatment of female infertility.
    Type: Application
    Filed: August 1, 2012
    Publication date: July 24, 2014
    Applicant: Merck Sharp & Dohme B.V.
    Inventors: Marion Blomenrohr, Martin De Kort, Miranda Maria Cornelia Van Der Lee, Jeffry Abraham Jacobus Wisse
  • Patent number: 8445450
    Abstract: The present invention relates compounds of the formula (I) oligosaccharide-spacer-A??(I), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising two to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-III mediated) anti-Xa activity per se; the spacer is an essentially pharmacologically inactive flexible linking residue having a chain length of 10 to 70 atoms; A is the residue —CH[NH—SO2—R1][CO—NR2—CH(4-benzamidine)-CO—NR3R4].
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: May 21, 2013
    Assignee: Merck Sharp & Dohme B.V.
    Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
  • Publication number: 20120245109
    Abstract: The present invention relates compounds of the formula (I) oligosaccharide-spacer-A ??(I), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising two to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-III mediated) anti-Xa activity per se; the spacer is an essentially pharmacologically inactive flexible linking residue having a chain length of 10 to 70 atoms; A is the residue —CH[NH—SO2—R1][CO—NR2—CH(4-benzamidine)-CO—NR3R4], wherein R1 is phenyl, naphthyl, 1,2,3,4-tetrahydronaphthyl, (iso)quinolinyl, tetrahydro(iso)quinolinyl, 3,4-dihydro-1H-isoquinolinyl, chromanyl or the camphor group, which groups may optionally be substituted with one or more substituents selected from (1-8C)alkyl or (1-8C)alkoxy; and wherein R2 and R3 are independently H or (1-8C)alkyl; R4 is (1-8C)alkyl or (3-8C)cycloalkyl; or R3 and R4 together with the nitroge
    Type: Application
    Filed: April 4, 2012
    Publication date: September 27, 2012
    Applicant: MSD OSS B.V.
    Inventors: Martin DE KORT, Constant Adriaan Anton VAN BOECKEL
  • Publication number: 20120238512
    Abstract: The present invention relates compounds of the formula (I) oligosaccharide-spacer-A (I), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising two to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-III mediated) anti-Xa activity per se; the spacer is an essentially pharmacologically inactive flexible linking residue having a chain length of 10 to 70 atoms; A is the residue —CH[NH—SO2—R1] [CO—NR2—CH(4-benzamidine)-CO—NR3R4], wherein R1 is phenyl, naphthyl, 1,2,3,4-tetrahydronaphthyl, (iso)quinolinyl, tetrahydro(iso)quinolinyl, 3,4-dihydro-1H-isoquinolinyl, chromanyl or the camphor group, which groups may optionally be substituted with one or more substituents selected from (1-8C)alkyl or (1-8C)alkoxy; and wherein R2 and R3 are independently H or (1-8C)alkyl; R4 is (-8C)alkyl or (3-8C)cycloalkyl; or R3 and R4 together with the nitrogen atom t
    Type: Application
    Filed: April 4, 2012
    Publication date: September 20, 2012
    Applicant: MSD OSS B.V.
    Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
  • Patent number: 8183228
    Abstract: The present invention relates compounds of the formula: oligosaccharide-spacer-(GpIIb/IIIa antagonist), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising four to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-III mediated) anti-Xa activity per se; the spacer is a bond or an essentially pharmacologically inactive linking residue; the GpIIb/IIIa antagonist is a residue mimicking the RGD and/or K(QA)GD fragment of fibrinogen, comprising a carboxylate moiety and a basic moiety located within the residue at a distance of 10-20 ? from each other; or a pharmaceutically acceptable salt thereof or a prodrug or a solvate thereof; wherein the compound of formula I further comprises at least one covalent bond with a biotin label or an analogue thereof.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: May 22, 2012
    Assignee: MSD OSS B.V. Netherlands
    Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel, Charles David Nicholson
  • Patent number: 8168595
    Abstract: The present invention relates to compounds of the formula (I) oligosaccharide-spacer-A (1), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising two to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-III mediated) anti-Xa activity per se; the spacer is an essentially pharmacologically inactive flexible linking residue having a chain length of 10 to 70 atoms; A is the residue —CH[NH—SO2—R1[CO—NR2—CH(4-benzamidine)-CO—NR3R4], wherein R1 is phenyl, naphthyl, 1,2,3,4-tetrahydronaphthyl, (iso)quinolinyl, tetrahydro(iso)quinolinyl, 3,4-dihydro-1H-isoquinolinyl, chromanyl or the camphor group, which groups may optionally be substituted with one or more substituents selected from (1-8C)alkyl or (1-8C)alkoxy; and wherein R2 and R3 are independently H or (1-8C)alkyl; R4 is (-8C)alkyl or (3-8C)cycloalkyl; or R3 and R4 together with the nitrogen atom
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: May 1, 2012
    Assignee: Msd Oss B.V
    Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
  • Publication number: 20120039843
    Abstract: The present invention relates to conjugates of a polypeptide and an oligosaccharide, wherein the polypeptide is conjugated to at least one oligosaccharide-spacer residue, the oligosaccharide being a synthetic sulfated oligosaccharide comprising 4-18 monosaccharide units and per se having affinity to antithrombin III and the spacer being a bond or an essentially pharmacologically inactive flexible linking residue, or a pharmaceutically acceptable salt thereof. The conjugates of the invention have improved pharmacokinetic properties when compared to the original polypeptides (i.e. the corresponding non-conjugated polypeptides per se).
    Type: Application
    Filed: September 8, 2011
    Publication date: February 16, 2012
    Applicant: N.V. Organon
    Inventors: Ebo Sybren Bos, Martin De Kort, Meertinus Jan Smit, Constant Adriaan Anton Van Boeckel
  • Patent number: 8106007
    Abstract: The present invention relates to conjugates of a polypeptide and an oligosaccharide, wherein the polypeptide is conjugated to at least one oligosaccharide-spacer residue, the oligosaccharide being a synthetic sulfated oligosaccharide comprising 4-18 monosaccharide units and per se having affinity to antithrombin III and the spacer being a bond or an essentially pharmacologically inactive flexible linking residue, or a pharmaceutically acceptable salt thereof. The conjugates of the invention have improved pharmacokinetic properties when compared to the original polypeptides (i.e. the corresponding non-conjugated polypeptides per se).
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: January 31, 2012
    Assignee: N.V. Organon
    Inventors: Ebo Sijbren Bos, Martin De Kort, Meertinus Jan Smit, Constant Adriaan Anton Van Boeckel
  • Publication number: 20100029582
    Abstract: The present invention relates compounds of the formula: oligosaccharide-spacer-(GpIIb/IIIa antagonist), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising four to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-II mediated) anti-Xa activity per se; the spacer is a bond or an essentially pharmacologically inactive linking residue; the GpIIb/IIIa antagonist is a residue mimicking the RGD and/or K(QA)GD fragment of fibrinogen, comprising a carboxylate moiety and a basic moiety located within the residue at a distance of 10-20 ? from each other; or a pharmaceutically acceptable salt thereof or a prodrug or a solvate thereof; wherein the compound of formula I further comprises at least one covalent bond with a biotin label or an analogue thereof.
    Type: Application
    Filed: October 6, 2006
    Publication date: February 4, 2010
    Inventors: Martin De Kort, Anton Adriaan Constant Van Boeckel, David Charles Nicholson
  • Publication number: 20100004186
    Abstract: The present invention relates compounds of the formula (I) oligosaccharide-spacer-A (1), wherein the oligosaccharide is a negatively charged oligosaccharide residue comprising two to twenty five monosaccharide units, the charge being compensated by positively charged counterions, and wherein the oligosaccharide residue is derived from an oligosaccharide which has (AT-III mediated) anti-Xa activity per se; the spacer is an essentially pharmacologically inactive flexible linking residue having a chain length of 10 to 70 atoms; A is the residue —CH[NH—SO2—R1][CO—NR2—CH(4-benzamidine)-CO—NR3R4], wherein R1 is phenyl, naphthyl, 1,2,3,4-tetrahydronaphthyl, (iso)quinolinyl, tetrahydro(iso)quinolinyl, 3,4-dihydro-1H-isoquinolinyl, chromanyl or the camphor group, which groups may optionally be substituted with one or more substituents selected from (1-8C)alkyl or (1-8C)alkoxy; and wherein R2 and R3 are independently H or (1-8C)alkyl; R4 is (?8C)alkyl or (3-8C)cycloalkyl; or R3 and R4 together with the nitrogen atom to
    Type: Application
    Filed: December 21, 2005
    Publication date: January 7, 2010
    Applicant: N.V. ORGANON
    Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
  • Patent number: 7576071
    Abstract: The present invention relates compounds of the formula A oligosaccharide-spacer-GpIIb/IIIa antagonist ??(A). The compounds of the invention have antithrombotic activity and can be used in treating or preventing thrombotic diseases.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: August 18, 2009
    Assignee: sanofi-aventis
    Inventors: Rogier Christian Buijsman, Martin De Kort, Dirk Gerrit Meuleman, Constant Van Boeckel
  • Publication number: 20090111769
    Abstract: The present invention relates compounds of the formula I: oligosaccharide-spacer-GpIIb/IIIa antagonist I, wherein the oligosaccharide is a negatively charged pentasaccharide residue of the structure (I), the charge being compensated by positively charged counterions; the spacer is an essentially pharmacologically inactive linking residue of a length of 15-50 atoms; the GpIIb/IIIa antagonist is a residue derived from tirofiban or an analogue thereof; or a pharmaceutically acceptable salt thereof or a prodrug or a solvate thereof. The compounds of the invention have antithrombotic activity and can be used in treating or preventing thrombotic diseases.
    Type: Application
    Filed: October 6, 2006
    Publication date: April 30, 2009
    Inventor: Martin De Kort
  • Publication number: 20080139459
    Abstract: The present invention relates to conjugates of a polypeptide and an oligosaccharide, wherein the polypeptide is conjugated to at least one oligosaccharide-spacer residue, the oligosaccharide being a synthetic sulfated oligosaccharide comprising 4-18 monosaccharide units and per se having affinity to antithrombin III and the spacer being a bond or an essentially pharmacologically inactive flexible linking residue, or a pharmaceutically acceptable salt thereof. The conjugates of the invention have improved pharmacokinetic properties when compared to the original polypeptides (i.e. the corresponding non-conjugated polypeptides per se).
    Type: Application
    Filed: January 31, 2006
    Publication date: June 12, 2008
    Applicant: N.V. Organon
    Inventors: Ebo Sybren Bos, Martin De Kort, Meertinus Jan Smit, Constant Adriaan Anton Van Boeckel