Patents by Inventor Lars Abrahmsen
Lars Abrahmsen 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: 20170260238Abstract: The present disclosure relates to dimers of engineered polypeptides having a binding affinity for the neonatal Fc receptor FcRn, and provides an FcRn binding dimer, comprising a first monomer unit, a second monomer unit and an amino acid linker, wherein said first and second monomer unit search comprises an FcRn binding motif. Said FcRn binding dimer binds FcRn with higher capacity compared to said first monomer unit or second monomer unit alone. The present disclosure also relates to the use of said FcRn binding dimer as an agent for modifying pharmacokinetic and pharmacodynamic properties and as a therapeutic agent.Type: ApplicationFiled: September 17, 2015Publication date: September 14, 2017Applicant: Affibody ABInventors: Lars Abrahmsén, Caroline Ekblad, Elin Gunneriusson, Torbjörn Gräslund, Johan Seijsing, John Löfblom, Malin Lindborg, Fredrik Frejd, Lindvi Gudmundsdotter
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Publication number: 20170008936Abstract: Populations of polypeptide variants based on a common scaffold, each polypeptide in the population comprising the scaffold amino acid sequence EXXXAXXEIX XLPNLTXXQX XAFIXKLXDD PSQSSELLSE AKKLNDSQ (SEQ ID NO: 1) or AKYAKEXXXAXX EIXXLPNLTX XQXXAFIXKL XDDPSQSSEL LSEAKKLNDS Q (SEQ ID NO: 2), wherein each X individually corresponds to an amino acid residue which is varied in the population are disclosed. Also populations of polynucleotides, wherein each member encodes a member of a polypeptide population are disclosed. Furthermore, combinations of such polypeptide populations and such polynucleotide populations are disclosed, wherein each member of polypeptide population is physically or spatially associated with the polynucleotide encoding that member via means for genotype-phenotype coupling.Type: ApplicationFiled: August 16, 2016Publication date: January 12, 2017Inventors: Lars Abrahmsén, Nina Herne, Christofer Lendel, Joachim Feldwisch
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Patent number: 9469670Abstract: Populations of polypeptide variants based on a common scaffold, each polypeptide in the population comprising the scaffold amino acid sequence EXXXAXXEIX XLPNLTXXQX XAFIXKLXDD PSQSSELLSE AKKLNDSQ (SEQ ID NO: 1) or AKYAKEXXXAXX EIXXLPNLTX XQXXAFIXKL XDDPSQSSEL LSEAKKLNDS Q (SEQ ID NO:2), wherein each X individually corresponds to an amino acid residue which is varied in the population are disclosed. Also populations of polynucleotides, wherein each member encodes a member of a polypeptide population are disclosed. Furthermore, combinations of such polypeptide populations and such polynucleotide populations are disclosed, wherein each member of polypeptide population is physically or spatially associated with the polynucleotide encoding that member via means for genotype-phenotype coupling.Type: GrantFiled: December 22, 2008Date of Patent: October 18, 2016Assignee: AFFIBODY ABInventors: Lars Abrahmsén, Nina Herne, Christofer Lendel, Joachim Feldwisch
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Publication number: 20160289337Abstract: The present disclosure relates to a class of engineered polypeptides having a binding affinity for carbonic anhydrase IX (CAIX), and provides a CAIX binding polypeptide comprising the sequence EX2X3X4AX6X7EIX10X11LPN?LX16X17X18QX20?X21AFIX25X26LWD. The present disclosure also relates to the use of such a CAIX binding polypeptide as a diagnostic, prognostic agent and/or therapeutic agent.Type: ApplicationFiled: December 19, 2013Publication date: October 6, 2016Inventors: Lars Abrahmsén, Ingmarie Höidén-Guthenberg, Elin Gunneriusson
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Publication number: 20160199521Abstract: Imaging agents comprising an isolated polypeptide conjugated with a radionucleide and a chelator; wherein the isolated polypeptide binds specifically to HER2, or a variant thereof; and methods for preparing and using these imaging agents.Type: ApplicationFiled: March 29, 2016Publication date: July 14, 2016Inventors: Faisal Ahmed Syud, Brian Duh-Lan Lee, Rong Zhang, Peter Brian Iveson, Paul Schaffer, Tove Simonsson, Elin Gunneriusson, Fredrik Frejd, Lars Abrahmsen, Joachim Feldwisch, Nina Herne, Christofer Lendel
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Publication number: 20160108095Abstract: The present disclosure relates to a class of engineered polypeptides having a binding affinity for albumin. It also relates to new methods and uses that exploit binding by these and other compounds to albumin in different contexts, some of which have significance for treatment or diagnosis of disease in mammals including humans.Type: ApplicationFiled: December 1, 2015Publication date: April 21, 2016Inventors: Caroline Ekblad, Lars Abrahmsen
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Publication number: 20160031967Abstract: The present disclosure relates to a class of engineered polypeptides having a binding affinity for the neonatal Fc receptor (in the following referred to as FcRn), and provides an FcRn binding polypeptide comprising the sequence EX2X3X4AX6X7 EIRWLPNL X16X17X18QRX21 AFIX25X26LX28X29 (SEQ ID NO: 1075). The present disclosure also relates to the use of such an FcRn binding polypeptide as an agent for modifying pharmacokinetic and pharmacodynamic properties and as a therapeutic agent.Type: ApplicationFiled: March 17, 2014Publication date: February 4, 2016Inventors: Caroline Ekblad, Elin Gunneriusson, Malin Lindborg, Lars Abrahmsen, John Löfblom, Torbjörn Gräslund, Johan Seijsing
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Patent number: 9211344Abstract: The present disclosure relates to a class of engineered polypeptides having a binding affinity for albumin. It also relates to new methods and uses that exploit binding by these and other compounds to albumin in different contexts, some of which have significance for treatment or diagnosis of disease in mammals including humans.Type: GrantFiled: July 8, 2011Date of Patent: December 15, 2015Assignee: AFFIBODY ABInventors: Caroline Ekblad, Lars Abrahmsen
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Patent number: 9175067Abstract: An immunoglobulin G Fc region binding polypeptide is provided, consisting of an amino acid sequence selected from i) a variant of Protein A domain or Protein Z and ii) an amino acid sequence which has at least 95% identity thereto. Also provided are methods for producing the polypeptide, compositions comprising the polypeptide, polynucleotides encoding the polypeptide, multimers of the polypeptide, and methods of using the polypeptide.Type: GrantFiled: March 7, 2011Date of Patent: November 3, 2015Assignee: GE Healthcare Bio-Sciences ABInventor: Lars Abrahmsen
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Publication number: 20150158916Abstract: The present invention relates to a class of engineered polypeptides having a binding affinity for albumin. It also relates to new methods and uses that exploit binding by these and other compounds to albumin in different contexts, some of which have significance for the treatment of disease in mammals including humans.Type: ApplicationFiled: November 24, 2014Publication date: June 11, 2015Inventors: Lars Abrahmsén, Andreas Jonsson, Jakob Dogan, Per-Åke Nygren
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Patent number: 8937153Abstract: The present invention relates to a class of engineered polypeptides having a binding affinity for albumin. It also relates to new methods and uses that exploit binding by these and other compounds to albumin in different contexts, some of which have significance for the treatment of disease in mammals including humans.Type: GrantFiled: July 17, 2008Date of Patent: January 20, 2015Assignee: Affibody ABInventors: Lars Abrahmsén, Andreas Jonsson, Jakob Dogan, Per-Åke Nygren
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Patent number: 8883120Abstract: HER2 binding polypeptides comprising the amino acid sequence EX1 RNAYWEIA LLPNLTNQQK RAFIRKLYDD PSQSSELLX2E AKKLNDSQ wherein X1 in position 2 is M, I or L, and X2 in position 39 is S or C (SEQ ID NO:1) are disclosed. Moreover, such peptides comprising a chelating environment are disclosed. Also radiolabeled polypeptides formed by the peptides comprising a chelating environment and radionuclides are disclosed. Furthermore, methods of in vivo imaging of the body of a mammalian subject having or suspected of having a cancer characterized by overexpression of HER2 comprising administration of such a radiolabeled polypeptide followed by obtainment of an image of the body using a medical imaging instrument and also methods of treating such cancer are disclosed. Furthermore, the use of such a radiolabeled polypeptide in diagnosis and treatment of cancer characterized by overexpression of HER2.Type: GrantFiled: June 27, 2013Date of Patent: November 11, 2014Assignee: Affibody ABInventors: Lars Abrahmsén, Nina Herne, Joachim Feldwisch, Christofer Lendel, Vladimir Tolmachev
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Publication number: 20140162956Abstract: The present disclosure relates to a class of engineered polypeptides having a binding affinity for albumin. It also relates to new methods and uses that exploit binding by these and other compounds to albumin in different contexts, some of which have significance for treatment or diagnosis of disease in mammals including humans.Type: ApplicationFiled: July 8, 2011Publication date: June 12, 2014Inventors: Caroline Ekblad, Lars Abrahmsen
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Publication number: 20130280164Abstract: HER2 binding polypeptides comprising the amino acid sequence EX1 RNAYWEIA LLPNLTNQQK RAFIRKLYDD PSQSSELLX2E AKKLNDSQ wherein X1 in position 2 is M, I or L, and X2 in position 39 is S or C (SEQ ID NO:1) are disclosed. Moreover, such peptides comprising a chelating environment are disclosed. Also radiolabeled polypeptides formed by the peptides comprising a chelating environment and radionuclides are disclosed. Furthermore, methods of in vivo imaging of the body of a mammalian subject having or suspected of having a cancer characterized by overexpression of HER2 comprising administration of such a radiolabeled polypeptide followed by obtainment of an image of the body using a medical imaging instrument and also methods of treating such cancer are disclosed. Furthermore, the use of such a radiolabeled polypeptide in diagnosis and treatment of cancer characterized by overexpression of HER2.Type: ApplicationFiled: June 27, 2013Publication date: October 24, 2013Inventors: Lars Abrahmsén, Nina Herne, Joachim Feldwisch, Christofer Lendel, Vladimir Tolmachev
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Publication number: 20130203962Abstract: An immunoglobulin G Fc region binding polypeptide is provided, consisting of an amino acid sequence selected from i) and an amino acid sequence which has at least 95% identity thereto. Also provided are methods for producing the polypeptide, compositions comprising the polypeptide, polynucleoties encoding the polypeptide, multimers of the polypeptide, and methods of using the polypeptide.Type: ApplicationFiled: March 7, 2011Publication date: August 8, 2013Applicant: GE HEALTHCARE BIO-SCIENCES ABInventor: Lars Abrahmsen
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Patent number: 8501909Abstract: HER2 binding polypeptides comprising the amino acid sequence EX1 RNAYWEIA LLPNLTNQQK RAFIRKLYDD PSQSSELLX2E AKKLNDSQ wherein X1 in position 2 is M, I or L, and X2 in position 39 is S or C (SEQ ID NO: 1) are disclosed. Moreover, such peptides comprising a chelating environment are disclosed. Also radiolabeled polypeptides formed by the peptides comprising a chelating environment and radionuclides are disclosed. Furthermore, methods of in vivo imaging of the body of a mammalian subject having or suspected of having a cancer characterized by overexpression of HER2 comprising administration of such a radiolabeled polypeptide followed by obtainment of an image of the body using a medical imaging instrument and also methods of treating such cancer are disclosed. Furthermore, the use of such a radiolabeled polypeptide in diagnosis and treatment of cancer characterized by overexpression of HER2.Type: GrantFiled: December 22, 2008Date of Patent: August 6, 2013Assignee: Affibody ABInventors: Lars Abrahmsén, Nina Herne, Joachim Feldwisch, Christofer Lendel, Vladimir Tolmachev
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Publication number: 20120165650Abstract: Imaging agents comprising an isolated polypeptide conjugated with a radionuclide and a chelator; wherein the isolated polypeptide binds specifically to HER2, or a variant thereof; and methods for preparing and using these imaging agents.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Faisal Ahmed Syud, Brian Duh-Lan Lee, Rong Zhang, Peter Brian Iveson, Paul Schaffer, Tove Eriksson, Elin Gunneriusson, Fredrik Frejd, Lars Abrahmsen, Joachim Feldwisch, Nina Herne, Christofer Lendel
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Publication number: 20110144302Abstract: The invention provides an immunoglobulin G Fc region binding polypeptide, which polypeptide comprises an immunoglobulin G Fc region binding motif, BM, consisting of an amino acid sequence selected from: i) EQQX4AFYEIL HLPNL-TEX18QX20X21AFIX25X26LRX29, and ii) an amino acid sequence which has at least 85% identity to the sequence defined in i). Also provided are methods of isolation or production of IgG Fc-containing molecules.Type: ApplicationFiled: September 24, 2008Publication date: June 16, 2011Inventors: Anders Jarstad, Thomas Bergman, Lars Abrahmsen, Christofer Lendel, Karin Nord
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Publication number: 20110020223Abstract: HER2 binding polypeptides comprising the amino acid sequence EX1 RNAYWEIA LLPNLTNQQK RAFIRKLYDD PSQSSELLX2E AKKLNDSQ wherein X1 in position 2 is M, I or L, and X2 in position 39 is S or C (SEQ ID NO:1) are disclosed. Moreover, such peptides comprising a chelating environment are disclosed. Also radiolabeled polypeptides formed by the peptides comprising a chelating environment and radionuclides are disclosed. Furthermore, methods of in vivo imaging of the body of a mammalian subject having or suspected of having a cancer characterized by overexpression of HER2 comprising administration of such a radiolabeled polypeptide followed by obtainment of an image of the body using a medical imaging instrument and also methods of treating such cancer are disclosed. Furthermore, the use of such a radiolabeled polypeptide in diagnosis and treatment of cancer characterized by overexpression of HER2.Type: ApplicationFiled: December 22, 2008Publication date: January 27, 2011Inventors: Lars Abrahmsén, Nina Herne, Joachim Feldwisch, Christofer Lendel, Vladimir Tolmachew
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Publication number: 20100286366Abstract: Populations of polypeptide variants based on a common scaffold, each polypeptide in the population comprising the scaffold amino acid sequence EXXXAXXEIX XLPNLTXXQX XAFIXKLXDD PSQSSELLSE AKKLNDSQ or AKYAKEXXXAXX EIXXLPNLTX XQXXAFIXKL XDDPSQSSEL LSEAKKLNDS Q, wherein each X individually corresponds to an amino acid residue which is varied in the population are disclosed. Also populations of polynucleotides, wherein each member encodes a member of a polypeptide population are disclosed. Furthermore, combinations of such polypeptide populations and such polynucleotide populations are disclosed, wherein each member of polypeptide population is physically or spatially associated with the polynucleotide encoding that member via means for genotype-phenotype coupling.Type: ApplicationFiled: December 22, 2008Publication date: November 11, 2010Inventors: Lars Abrahmsén, Nina Herne, Christofer Lendel, Joachim Feldwisch