Patents by Inventor Kristina Ellwanger
Kristina Ellwanger 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: 20230365709Abstract: The present invention relates to a trispecific antibody construct comprising (i.) a first binding domain (A), which is capable of specifically binding to a first target (A?) that is CD16A on the surface of an immune effector cell; (ii.) a second binding domain (B), which is capable of specifically binding to a second target (B?) that is another antigen on the surface of an immune effector cell, wherein said antigen is selected from the group comprising CD56, NKG2A, NKG2D, NKp30, NKp44, NKp46, NKp80, DNAM-1, SLAMF7, OX40, CD47/SIRP?, CD89, CD96, CD137, CD160, TIGIT, nectin-4, PD-1, PD-L1, LAG-3, CTLA-4, TIM-3, KIR2DL1-5, KIR3DL1-3, KIR2DS1-5 and CD3; and (iii.) a third binding domain (C), which is capable of specifically binding to a third target (C?) that is an antigen on the surface of a target cell. The present invention also relates to related nucleic acid molecules, vectors, host cells, methods of producing the antibody constructs, pharmaceutical compositions, medical uses, and kits.Type: ApplicationFiled: October 8, 2021Publication date: November 16, 2023Inventors: Thorsten ROSS, Joachim KOCH, Michael TESAR, Holger DULAT, Christian BREUNIG, Eike PETERS, Kristina ELLWANGER, Ivica FUCEK, Uwe REUSCH, Jens PAHL
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Publication number: 20230190900Abstract: Described are tetravalent, bispecific EGFR/CD16A antigen-binding proteins for engaging NK-cells towards EGFR-positive cells. EGFR/CD16A antigen-binding proteins with different pharmacokinetic (PK) properties are described. Further described is the use of bispecific EGFR/CD16A antigen-binding proteins for the treatment of an EGFR-positive malignancy, such as EGFR-positive tumors.Type: ApplicationFiled: October 19, 2022Publication date: June 22, 2023Inventors: Michael Kluge, Michael Tesar, Ivica Fucek, Kristina Ellwanger, Uwe Reusch, Michael Damrat, Erich Rajkovic, Martin Treder
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Patent number: 11572415Abstract: The application pertains to a trispecific antibody molecule which may comprise a diabody-unit integrated into a polypeptide chain having at least six variable domains linked one after another. In certain instances two single-chain Fv (scFv) fragments are distally connected to the diabody-unit providing two further antigen binding sites (FIGS. 1 and 2).Type: GrantFiled: April 11, 2018Date of Patent: February 7, 2023Assignee: AFFIMED GMBHInventors: Kristina Ellwanger, Ivica Fucek, Thorsten Ross, Thomas Mueller, Erich Rajkovic, Uwe Reusch, Martin Treder, Michael Weichel
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Patent number: 11510972Abstract: Described are tetravalent, bispecific EGFR/CD16A antigen-binding proteins for engaging NK-cells towards EGFR-positive cells. EGFR/CD16A antigen-binding proteins with different pharmacokinetic (PK) properties are described. Further described is the use of bispecific EGFR/CD16A antigen-binding proteins for the treatment of an EGFR-positive malignancy, such as EGFR-positive tumors.Type: GrantFiled: September 2, 2020Date of Patent: November 29, 2022Assignee: AFFIMED GMBHInventors: Michael Kluge, Michael Tesar, Ivica Fucek, Kristina Ellwanger, Uwe Reusch, Michael Damrat, Erich Rajkovic, Martin Treder
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Publication number: 20220048994Abstract: The invention relates to a trispecific antigen-binding molecule, wherein the antigen-binding molecule is at least tetravalent and comprises an antigen-binding site having specificity against a first antigen epitope, an antigen-binding site having specificity against a second antigen epitope and two antigen-binding sites having specificity against a third antigen epitope and its use a medicament for tumor therapy.Type: ApplicationFiled: November 3, 2021Publication date: February 17, 2022Inventors: Melvyn Little, Eugene Zhukovsky, Markus Eser, Michael Weichel, Thorsten Gantke, Uwe Reusch, Kristina Ellwanger, Fabrice Le Gall
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Publication number: 20220041717Abstract: The invention relates to a multispecific antigen-binding molecule specifically binding to CD16A and consisting of two polypeptide chains, wherein each polypeptide chain comprises at least four variable domains from the N-terminus to the C-terminus in the order: VH_BCMA-VL_CD16A-VH_CD16A-VL_BCMType: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Inventors: Thorsten ROSS, Ivica FUCEK, Kristina ELLWANGER, Michael WEICHEL, Uwe REUSCH, Stefan KNACKMUSS, Erich RAJKOVIC, Martin TREDER
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Patent number: 11180558Abstract: The invention relates to a multispecific antigen-binding molecule specifically binding to CD16A and consisting of two polypeptide chains, wherein each polypeptide chain comprises at least four variable domains from the N-terminus to the C-terminus in the order: VH_BCMA-VL_CD16A-VH_CD16A-VL_BCM.Type: GrantFiled: July 23, 2019Date of Patent: November 23, 2021Assignee: Affimed GMBHInventors: Thorsten Ross, Ivica Fucek, Kristina Ellwanger, Michael Weichel, Uwe Reusch, Stefan Knackmuss, Erich Rajkovic, Martin Treder
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Publication number: 20210253698Abstract: The invention relates to multispecific antigen-binding proteins for engaging natural killer (NK) cells for triggering NK cell cytotoxicity by engaging the CD16A (Fc?RIIIA)expressed on NK cells, wherein the antigen-binding protein comprises at least two CD16A antigen-binding moieties and at least a further target antigen-binding moiety. The CD16A antigen-binding moiety comprises light chain and heavy chain variable regions linked one after another in a polypeptide chain and the variable region at the N-terminus of the polypeptide chain comprising the CD16A antigen-binding moiety is a light chain variable region.Type: ApplicationFiled: April 20, 2021Publication date: August 19, 2021Applicant: Affimed GmbHInventors: Michael Tesar, Kristina Ellwanger, Ivica Fucek, Uwe Reusch, Thorsten Ross, Joachim Koch, Erich Rajkovic, Martin Treder
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Patent number: 11001633Abstract: The invention relates to multispecific antigen-binding proteins for engaging natural killer (NK) cells for triggering NK cell cytotoxicity by engaging the CD16A (Fc?RIIIA) expressed on NK cells, wherein the antigen-binding protein comprises at least two CD16A antigen-binding moieties and at least a further target antigen-binding moiety. The CD16A antigen-binding moiety comprises light chain and heavy chain variable regions linked one after another in a polypeptide chain and the variable region at the N-terminus of the polypeptide chain comprising the CD16A antigen-binding moiety is a light chain variable region.Type: GrantFiled: December 13, 2019Date of Patent: May 11, 2021Assignee: Affimed GmbHInventors: Michael Tesar, Kristina Ellwanger, Ivica Fucek, Uwe Reusch, Thorsten Ross, Joachim Koch, Erich Rajkovic, Martin Treder
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Publication number: 20210024654Abstract: Described herein are binding proteins that specifically bind to human CD33, and in particular to bispecific binding proteins that specifically bind to human CD33 and human CD3. Also described herein are bispecific tandem diabodies that bind to CD33 and CD33, and their uses for immunotherapy of CD33+ cancers, diseases and conditions such as acute myeloid leukemia (AML).Type: ApplicationFiled: March 18, 2020Publication date: January 28, 2021Inventors: Kristina Ellwanger, Luke Evnin, Judith A. Fox, Ivica Fucek, Jeanmarie Guenot, Stefan Knackmuss, Lori Kunkel, Melvyn Little, Vera Molkenthin, Erich Rajkovic, Uwe Reusch, Claudia Wall, Michael Weichel, Eugene Zhukovsky
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Patent number: 10626190Abstract: Described herein are binding proteins that specifically bind to human CD33, and in particular to bispecific binding proteins that specifically bind to human CD33 and human CD3. Also described herein are bispecific tandem diabodies that bind to CD33 and CD33, and their uses for immunotherapy of CD33+ cancers, diseases and conditions such as acute myeloid leukemia (AML).Type: GrantFiled: October 27, 2017Date of Patent: April 21, 2020Assignee: Amphivena Therapeutics, Inc.Inventors: Kristina Ellwanger, Luke Evnin, Judith A. Fox, Ivica Fucek, Jeanmarie Guenot, Stefan Knackmuss, Lori Kunkel, Melvyn Little, Vera Molkenthin, Erich Rajkovic, Uwe Reusch, Claudia Wall, Michael Weichel, Eugene Zhukovsky
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Publication number: 20200109202Abstract: The invention relates to multispecific antigen-binding proteins for engaging natural killer (NK) cells for triggering NK cell cytotoxicity by engaging the CD16A (Fc?RIIIA)expressed on NK cells, wherein the antigen-binding protein comprises at least two CD16A antigen-binding moieties and at least a further target antigen-binding moiety. The CD16A antigen-binding moiety comprises light chain and heavy chain variable regions linked one after another in a polypeptide chain and the variable region at the N-terminus of the polypeptide chain comprising the CD16A antigen-binding moiety is a light chain variable region.Type: ApplicationFiled: December 13, 2019Publication date: April 9, 2020Applicant: Affimed GmbHInventors: Michael Tesar, Kristina Ellwanger, Ivica Fucek, Uwe Reusch, Thorsten Ross, Joachim Koch, Erich Rajkovic, Martin Treder
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Publication number: 20190345249Abstract: The invention relates to a multispecific antigen-binding molecule specifically binding to CD16A and consisting of two polypeptide chains, wherein each polypeptide chain comprises at least four variable domains from the N-terminus to the C-terminus in the order: VH_BCMA-VL_CD16A-VH_CD16A-VL_BCMType: ApplicationFiled: July 23, 2019Publication date: November 14, 2019Inventors: Thorsten Ross, Ivica Fucek, Kristina Ellwanger, Michael Weichel, Uwe Reusch, Stefan Knackmuss, Erich Rajkovic, Martin Treder
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Patent number: 10273309Abstract: This application describes binding proteins that specifically bind to EGFRvIII and multispecific binding proteins that specifically bind to EGFRvIII and CD3. Further described is a multispecific tandem diabody that binds to EGFRvIII and CD3. Further described are highly cytotoxic EGFRvIII/CD3 bispecific tandem diabody for recruiting T cells to specifically and potently kill several types of solid tumor cancer.Type: GrantFiled: February 4, 2016Date of Patent: April 30, 2019Assignee: AFFEMED GMBHInventors: Kristina Ellwanger, Uwe Reusch, Ivica Fucek, Stefan Knackmuss, Vera Molkenthin, Melvyn Little, Eugene Zhukovsky
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Publication number: 20190040155Abstract: The application pertains to a trispecific antibody molecule which may comprise a diabody-unit integrated into a polypeptide chain having at least six variable domains linked one after another. In certain instances two single-chain Fv (scFv) fragments are distally connected to the diabody-unit providing two further antigen binding sites (FIGS. 1 and 2).Type: ApplicationFiled: April 11, 2018Publication date: February 7, 2019Inventors: Kristina ELLWANGER, Ivica FUCEK, Thorsten ROSS, Thomas MUELLER, Erich RAJKOVIC, Uwe REUSCH, Martin TREDER, Michael WEICHEL
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Publication number: 20180291113Abstract: Described herein are binding proteins that specifically bind to human CD33, and in particular to bispecific binding proteins that specifically bind to human CD33 and human CD3. Also described herein are bispecific tandem diabodies that bind to CD33 and CD33, and their uses for immunotherapy of CD33+ cancers, diseases and conditions such as acute myeloid leukemia (AML).Type: ApplicationFiled: October 27, 2017Publication date: October 11, 2018Inventors: Kristina ELLWANGER, Luke EVNIN, Judith A. FOX, Ivica FUCEK, Jeanmarie GUENOT, Stefan KNACKMUSS, Lori KUNKEL, Melvyn LITTLE, Vera MOLKENTHIN, Erich RAJKOVIC, Uwe REUSCH, Claudia WALL, Michael WEICHEL, Eugene ZHUKOVSKY
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Patent number: 10066015Abstract: The invention relates to a humanized CD3 binding site, which comprises (a) a variable heavy chain domain (VH) as depicted in SEQ ID NO:8 and a variable light chain domain (VL) as depicted in SEQ ID NO:3; or (b) a variable heavy chain domain (VH) as depicted in SEQ ID NO:9 and a variable light chain domain (VL) as depicted in SEQ ID NO:4, or c) a variable heavy chain domain (VH) as depicted in SEQ ID NO:7 and a variable light chain domain (VL) as depicted in SEQ ID NO:2; or (d) a variable heavy chain domain (VH) as depicted in SEQ ID NO:6 and a variable light chain domain (VL) as depicted in SEQ ID NO:1. The CD3 binding sites have an increased stability, while the binding affinity has been retained due to mutations at positions VH111 and VL49.Type: GrantFiled: August 6, 2015Date of Patent: September 4, 2018Assignee: Affirmed GmbHInventors: Eugene Zhukovsky, Melvyn Little, Stefan Knackmuss, Uwe Reusch, Kristina Ellwanger, Ivica Fucek, Michael Weichel, Markus Eser, Fionnuala McAleese-Eser
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Patent number: 9803029Abstract: Described herein are binding proteins that specifically bind to human CD33, and in particular to bispecific binding proteins that specifically bind to human CD33 and human CD3. Also described herein are bispecific tandem diabodies that bind to CD33 and CD33, and their uses for immunotherapy of CD33+ cancers, diseases and conditions such as acute myeloid leukemia (AML).Type: GrantFiled: November 10, 2015Date of Patent: October 31, 2017Assignee: AMPHIVENA THERAPEUTICS, INC.Inventors: Kristina Ellwanger, Luke Evnin, Judith A. Fox, Ivica Fucek, Jeanmarie Guenot, Stefan Knackmuss, Lori Kunkel, Melvyn Little, Vera Molkenthin, Erich Rajkovic, Uwe Reusch, Claudia Wall, Michael Weichel, Eugene Zhukovsky
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Publication number: 20170037128Abstract: The invention relates to a trispecific antigen-binding molecule, wherein the antigen-binding molecule is at least tetravalent and comprises an antigen-binding site having specificity against a first antigen epitope, an antigen-binding site having specificity against a second antigen epitope and two antigen-binding sites having specificity against a third antigen epitope and its use a medicament for tumor therapy.Type: ApplicationFiled: October 11, 2016Publication date: February 9, 2017Inventors: Melvyn LITTLE, Eugene ZHUKOVSKY, Markus ESER, Michael WEICHEL, Thorsten GANTKE, Uwe REUSCH, Kristina ELLWANGER, Fabrice LE GALL
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Publication number: 20160194409Abstract: Described herein are binding proteins that specifically bind to human CD33, and in particular to bispecific binding proteins that specifically bind to human CD33 and human CD3. Also described herein are bispecific tandem diabodies that bind to CD33 and CD33, and their uses for immunotherapy of CD33+ cancers, diseases and conditions such as acute myeloid leukemia (AML).Type: ApplicationFiled: November 10, 2015Publication date: July 7, 2016Inventors: Kristina ELLWANGER, Luke EVNIN, Judith A. FOX, Ivica FUCEK, Jeanmarie GUENOT, Stefan KNACKMUSS, Lori KUNKEL, Melvyn LITTLE, Vera MOLKENTHIN, Erich RAJKOVIC, Uwe REUSCH, Claudia WALL, Michael WEICHEL, Eugene ZHUKOVSKY