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).
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Patent number: 10155259Abstract: 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: GrantFiled: July 29, 2015Date of Patent: December 18, 2018Assignee: 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
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Publication number: 20150329545Abstract: 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: ApplicationFiled: July 29, 2015Publication date: November 19, 2015Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
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Patent number: 9127038Abstract: 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: GrantFiled: August 1, 2012Date of Patent: September 8, 2015Assignee: Merck Sharp & Dohme Corp.Inventors: Marion Blomenrohr, Martin De Kort, Miranda Maria Cornelia Van Der Lee, Jeffry Abraham Jacobus Wisse
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Patent number: 9127007Abstract: 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: GrantFiled: September 14, 2012Date of Patent: September 8, 2015Assignee: 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
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Patent number: 9044463Abstract: 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: GrantFiled: September 14, 2012Date of Patent: June 2, 2015Assignee: 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
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Publication number: 20140350043Abstract: 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: ApplicationFiled: September 14, 2012Publication date: November 27, 2014Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Bernard Matthijs Poulie, Cornelis Marius Timmers, Saskia Verkaik
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Publication number: 20140256725Abstract: 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: ApplicationFiled: September 14, 2012Publication date: September 11, 2014Inventors: Wesley Peter Blackaby, Martin De Kort, Mark Enthoven, Paul Stuart Hinchliffe, Christian Matthijs Poulie, Cornelis Marius Timmers, Saskia Vertaik
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Publication number: 20140206627Abstract: 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: ApplicationFiled: August 1, 2012Publication date: July 24, 2014Applicant: Merck Sharp & Dohme B.V.Inventors: Marion Blomenrohr, Martin De Kort, Miranda Maria Cornelia Van Der Lee, Jeffry Abraham Jacobus Wisse
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Patent number: 8445450Abstract: 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: GrantFiled: April 4, 2012Date of Patent: May 21, 2013Assignee: Merck Sharp & Dohme B.V.Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
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Publication number: 20120245109Abstract: 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 nitrogeType: ApplicationFiled: April 4, 2012Publication date: September 27, 2012Applicant: MSD OSS B.V.Inventors: Martin DE KORT, Constant Adriaan Anton VAN BOECKEL
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Publication number: 20120238512Abstract: 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 tType: ApplicationFiled: April 4, 2012Publication date: September 20, 2012Applicant: MSD OSS B.V.Inventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
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Patent number: 8183228Abstract: 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: GrantFiled: October 6, 2006Date of Patent: May 22, 2012Assignee: MSD OSS B.V. NetherlandsInventors: Martin De Kort, Constant Adriaan Anton Van Boeckel, Charles David Nicholson
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Patent number: 8168595Abstract: 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 atomType: GrantFiled: December 21, 2005Date of Patent: May 1, 2012Assignee: Msd Oss B.VInventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
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Publication number: 20120039843Abstract: 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: ApplicationFiled: September 8, 2011Publication date: February 16, 2012Applicant: N.V. OrganonInventors: Ebo Sybren Bos, Martin De Kort, Meertinus Jan Smit, Constant Adriaan Anton Van Boeckel
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Patent number: 8106007Abstract: 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: GrantFiled: January 31, 2006Date of Patent: January 31, 2012Assignee: N.V. OrganonInventors: Ebo Sijbren Bos, Martin De Kort, Meertinus Jan Smit, Constant Adriaan Anton Van Boeckel
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Publication number: 20100029582Abstract: 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: ApplicationFiled: October 6, 2006Publication date: February 4, 2010Inventors: Martin De Kort, Anton Adriaan Constant Van Boeckel, David Charles Nicholson
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Publication number: 20100004186Abstract: 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 toType: ApplicationFiled: December 21, 2005Publication date: January 7, 2010Applicant: N.V. ORGANONInventors: Martin De Kort, Constant Adriaan Anton Van Boeckel
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Patent number: 7576071Abstract: 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: GrantFiled: August 31, 2006Date of Patent: August 18, 2009Assignee: sanofi-aventisInventors: Rogier Christian Buijsman, Martin De Kort, Dirk Gerrit Meuleman, Constant Van Boeckel
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Publication number: 20090111769Abstract: 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: ApplicationFiled: October 6, 2006Publication date: April 30, 2009Inventor: Martin De Kort
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Publication number: 20080139459Abstract: 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: ApplicationFiled: January 31, 2006Publication date: June 12, 2008Applicant: N.V. OrganonInventors: Ebo Sybren Bos, Martin De Kort, Meertinus Jan Smit, Constant Adriaan Anton Van Boeckel