Patents by Inventor Filip S. EKHOLM

Filip S. EKHOLM 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: 11723983
    Abstract: The invention relates to a glycoprotein-toxic pay-load molecule conjugate, a toxic payload molecule-glycan conjugate, and a pharmaceutical composi-tion. The invention further relates to a method for preparing the glycoprotein-toxic payload molecule conjugate, the method for modulating growth of a cell population and a method of treating tu-mour cells.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: August 15, 2023
    Assignee: GLYKOS FINLAND OY
    Inventors: Tero Satomaa, Jari Helin, Filip S. Ekholm
  • Publication number: 20210252158
    Abstract: The invention relates to a glycoprotein-toxic pay-load molecule conjugate, a toxic payload molecule-glycan conjugate, and a pharmaceutical compos-ition. The invention further relates to a method for preparing the glycoprotein-toxic payload molecule conjugate, the method for modulating growth of a cell population and a method of treating tu-mour cells.
    Type: Application
    Filed: March 23, 2021
    Publication date: August 19, 2021
    Applicant: GLYKOS FINLAND OY
    Inventors: Tero SATOMAA, Jari HELIN, Filip S. EKHOLM
  • Publication number: 20210106692
    Abstract: The present invention relates to a conjugate represented by the formula [D-L-Y—(CH2)n-]mP-T wherein T is a protein; P is a polymer selected from the group consisting of dextran, mannan, pullulan, hyaluronic acid, hydroxyethyl starch, chondroitin sulphate, heparin, heparin sulphate, polyalkylene glycol, Ficoll, polyvinyl alcohol, amylose, amylopectin, chitosan, cyclodextrin, pectin and carrageenan, or a derivative thereof; m is at least 1; n is in the range of 1 to 10; each Y is independently selected from the group consisting of S, NH and 1,2,3-triazolyl, wherein 1,2,3-triazolyl is optionally substituted; each L is independently absent or comprises a linker group covalently joining D and Y; and each D is a payload molecule.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 15, 2021
    Applicant: Glykos Finland Oy
    Inventors: Jari Helin, Juhani Saarinen, Filip S. Ekholm, Anne Leppanen
  • Publication number: 20210106689
    Abstract: A molecule comprising a saccharide bound via an O-glycosidic bond to a hydroxyl group of a toxic payload molecule is disclosed. An antibody-drug conjugate comprising an antibody covalently bound to a toxic payload molecule, optionally via a linker group, and a saccharide bound via an O-glycosidic bond to a hydroxyl group of the toxic payload molecule is further disclosed.
    Type: Application
    Filed: November 4, 2020
    Publication date: April 15, 2021
    Applicant: Glykos Finland Oy
    Inventors: Jari Helin, Juhani Saarinen, Tero Satomaa, Filip S. Ekholm
  • Patent number: 10973920
    Abstract: A molecule comprising a saccharide bound via an O-glycosidic bond to a hydroxyl group of a toxic payload molecule is disclosed. An antibody-drug conjugate comprising an antibody covalently bound to a toxic payload molecule, optionally via a linker group, and a saccharide bound via an O-glycosidic bond to a hydroxyl group of the toxic payload molecule is further disclosed.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: April 13, 2021
    Assignee: GLYKOS FINLAND OY
    Inventors: Jari Helin, Juhani Saarinen, Tero Satomaa, Filip S. Ekholm
  • Patent number: 10973922
    Abstract: The invention relates to a glycoprotein-toxic payload molecule conjugate, a toxic payload molecule-glycan conjugate, and a pharmaceutical composition. The invention further relates to a method for preparing the glycoprotein-toxic payload molecule conjugate, the method for modulating growth of a cell population and a method of treating tumour cells.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: April 13, 2021
    Assignee: Glykos Finland OY
    Inventors: Tero Satomaa, Jari Helin, Filip S. Ekholm
  • Patent number: 10835606
    Abstract: The present invention relates to a conjugate comprising an anti-EGFR1 antibody or an EGFR binding fragment thereof and at least one dextran derivative, wherein the dextran derivative comprises at least one D-glucopyranosyl unit, wherein at least one carbon selected from carbon 2, 3 or 4 of the at least one D-glucopyranosyl unit is substituted by a substituent of the formula —O—(CH2)”—S—Bi2Hii2? wherein n is in the range of 3 to 10; and the dextran derivative is bound to the anti-EGFR antibody or an EGFR1 binding fragment thereof via a bond formed by a reaction between at least one aldehyde group formed by oxidative cleavage of a D-glucopyranosyl unit of the dextran derivative and an amino group of the anti-EGFR1 antibody or an EGFR1 binding fragment thereof.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 17, 2020
    Assignee: Tenboron Oy
    Inventors: Anne Leppanen, Filip S. Ekholm, Jari Helin, Hanna Salo, Anne Kanerva
  • Publication number: 20190240330
    Abstract: The present invention relates to a conjugate comprising an anti-EGFR1 antibody or an EGFR binding fragment thereof and at least one dextran derivative, wherein the dextran derivative comprises at least one D-glucopyranosyl unit, wherein at least one carbon selected from carbon 2, 3 or 4 of the at least one D-glucopyranosyl unit is substituted by a substituent of the formula —O—(CH2)”—S—Bi2Hii2? wherein n is in the range of 3 to 10; and the dextran derivative is bound to the anti-EGFR antibody or an EGFR1 binding fragment thereof via a bond formed by a reaction between at least one aldehyde group formed by oxidative cleavage of a D-glucopyranosyl unit of the dextran derivative and an amino group of the anti-EGFR1 antibody or an EGFR1 binding fragment thereof.
    Type: Application
    Filed: April 15, 2019
    Publication date: August 8, 2019
    Applicant: Tenboron Oy
    Inventors: Anne Leppanen, Filip S. Ekholm, Jari Helin, Hanna Salo, Anne Kanerva
  • Patent number: 10328149
    Abstract: The present invention relates to a conjugate comprising an anti-EGFR1 antibody or an EGFR binding fragment thereof and at least one dextran derivative, wherein the dextran derivative comprises at least one D-glucopyranosyl unit, wherein at least one carbon selected from carbon 2, 3 or 4 of the at least one D-glucopyranosyl unit is substituted by a substituent of the formula —O—(CH2)n—S—B12H112? wherein n is in the range of 3 to 10; and the dextran derivative is bound to the anti-EGFR antibody or an EGFR1 binding fragment thereof via a bond formed by a reaction between at least one aldehyde group formed by oxidative cleavage of a D-glucopyranosyl unit of the dextran derivative and an amino group of the anti-EGFR1 antibody or an EGFR1 binding fragment thereof.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: June 25, 2019
    Assignee: TENBORON OY
    Inventors: Anne Leppanen, Filip S. Ekholm, Jari Helin, Hanna Salo, Anne Kanerva
  • Publication number: 20180256732
    Abstract: The invention relates to a glycoprotein-toxic payload molecule conjugate, a toxic payload molecule-glycan conjugate, and a pharmaceutical composition. The invention further relates to a method for preparing the glycoprotein-toxic payload molecule conjugate, the method for modulating growth of a cell population and a method of treating tumour cells.
    Type: Application
    Filed: September 14, 2017
    Publication date: September 13, 2018
    Applicant: GLYKOS FINLAND OY
    Inventors: Tero SATOMAA, Jari HELIN, Filip S. EKHOLM
  • Publication number: 20180228906
    Abstract: A molecule comprising a saccharide bound via an O-glycosidic bond to a hydroxyl group of a toxic payload molecule is disclosed. An antibody-drug conjugate comprising an antibody covalently bound to a toxic payload molecule, optionally via a linker group, and a saccharide bound via an O-glycosidic bond to a hydroxyl group of the toxic payload molecule is further disclosed.
    Type: Application
    Filed: June 26, 2015
    Publication date: August 16, 2018
    Applicant: Glykos Finland Oy
    Inventors: Jari Helin, Juhani Saarinen, Tero Satomaa, Filip S. Ekholm
  • Publication number: 20170189549
    Abstract: The present invention relates to a conjugate represented by the formula [D-L-Y—(CH2)n-O]m—P-T wherein T is a protein; P is a polymer selected from the group consisting of dextran, mannan, pullulan, hyaluronic acid, hydroxyethyl starch, chondroitin sulphate, heparin, heparin sulphate, polyalkylene glycol, Ficoll, polyvinyl alcohol, amylose, amylopectin, chitosan, cyclodextrin, pectin and carrageenan, or a derivative thereof; m is at least 1; n is in the range of 1 to 10; each Y is independently selected from the group consisting of S, NH and 1,2,3-triazolyl, wherein 1,2,3-triazolyl is optionally substituted; each L is independently absent or comprises a linker group covalently joining D and Y; and each D is a payload molecule.
    Type: Application
    Filed: June 12, 2015
    Publication date: July 6, 2017
    Applicant: Glykos Finland Oy
    Inventors: Jari Helin, Juhani Saarinen, Filip S. Ekholm, Anne Leppanen
  • Publication number: 20170112931
    Abstract: The present invention relates to a conjugate comprising an anti-EGFR1 antibody or an EGFR binding fragment thereof and at least one dextran derivative, wherein the dextran derivative comprises at least one D-glucopyranosyl unit, wherein at least one carbon selected from carbon 2, 3 or 4 of the at least one D-glucopyranosyl unit is substituted by a substituent of the formula —O—(CH2)n—S—B12H112? wherein n is in the range of 3 to 10; and the dextran derivative is bound to the anti-EGFR antibody or an EGFR1 binding fragment thereof via a bond formed by a reaction between at least one aldehyde group formed by oxidative cleavage of a D-glucopyranosyl unit of the dextran derivative and an amino group of the anti-EGFR1 antibody or an EGFR1 binding fragment thereof.
    Type: Application
    Filed: June 12, 2015
    Publication date: April 27, 2017
    Applicant: Tenboron Oy
    Inventors: Anne Leppanen, Filip S. Ekholm, Jari Helin, Hanna Salo, Anne Kanerva
  • Publication number: 20160106860
    Abstract: The invention relates to a glycoprotein-toxic payload molecule conjugate, a toxic payload molecule-glycan conjugate, and a pharmaceutical composition. The invention further relates to a method for preparing the glycoprotein-toxic payload molecule conjugate, the method for modulating growth of a cell population and a method of treating tumour cells.
    Type: Application
    Filed: May 2, 2014
    Publication date: April 21, 2016
    Inventors: Tero SATOMAA, Jari HELIN, Filip S. EKHOLM
  • Publication number: 20150314007
    Abstract: The invention relates to novel linker-payload molecule conjugates. The invention also relates to novel cell binder-linker-payload molecule conjugates, in particular antibody conjugates of dolastatin or auristatin derivatives.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 5, 2015
    Applicant: Glykos Finland Oy
    Inventors: Tero SATOMAA, Jari HELIN, Filip S. EKHOLM, Henna PYNNÖNEN