Patents by Inventor Kurt Lang

Kurt Lang 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: 9724425
    Abstract: A conjugate consisting of an insulin-like growth factor-1 (IGF-I) variant and one or two poly(ethylene glycol) group(s), characterized in that said IGF-I variant has an amino acid alteration at up to three amino acid positions 27, 37, 65, 68 of the wild-type IGF-I amino acid sequence so that one or two of said amino acids is/are lysine and amino acid 27 is a polar amino acid but not lysine, is conjugated via the primary amino group(s) of said lysine(s) and said poly(ethylene glycol) group(s) have an overall molecular weight of from 20 to 100 kDa is disclosed. This conjugate is useful for the treatment of neurodegenerative disorders like Alzheimer's Disease.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 8, 2017
    Assignee: HOFFMANN-LA ROCHE INC.
    Inventors: Beat Amrein, Stefan Foser, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Andreas Schaubmar, Friederike Hesse, Klaus-Peter Kuenkele, Martin Lanzendoerfer
  • Patent number: 9272031
    Abstract: The present invention relates to a purified antibody molecule preparation being characterized in that at least one antigen binding site comprises a glycosylated asparagine (Asn) in the variable region of the heavy chain (VH). More specifically, a pharmaceutical and a diagnostic composition comprising said antibody molecule and antibody mixtures are provided which is/are capable of specifically recognizing the ?-A4 peptide/A?4. The present invention relates in particular to a mixture of antibodies comprising one or two glycosylated antigen binding sites with a glycosylated asparagine (Asn) in the variable region of the heavy chain, i.e. mixtures of isoforms of antibodies which comprise a glycosylated Asn in the variable region of the heavy chain (VH). Also disclosed are compositions or antibody preparations comprising the specifically glycosylated antibody isoforms. Furthermore, the pharmaceutical and diagnostic uses for these antibodies are provided.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: March 1, 2016
    Assignee: F. Hoffmann-La Roche Inc.
    Inventors: Hansruedi Loetscher, Walter Huber, Diana Schuhbauer, Karl Weyer, Manfred Brockhaus, Bernd Bohrmann, Hans Koll, Andreas Schaubmar, Kurt Lang
  • Publication number: 20150165022
    Abstract: The present invention relates to a purified antibody molecule preparation being characterized in that at least one antigen binding site comprises a glycosylated asparagine (Asn) in the variable region of the heavy chain (VH). More specifically, a pharmaceutical and a diagnostic composition comprising said antibody molecule and antibody mixtures are provided which is/are capable of specifically recognizing the ?-A4 peptide/A?4. The present invention relates in particular to a mixture of antibodies comprising one or two glycosylated antigen binding sites with a glycosylated asparagine (Asn) in the variable region of the heavy chain, i.e. mixtures of isoforms of antibodies which comprise a glycosylated Asn in the variable region of the heavy chain (VH). Also disclosed are compositions or antibody preparations comprising the specifically glycosylated antibody isoforms. Furthermore, the pharmaceutical and diagnostic uses for these antibodies are provided.
    Type: Application
    Filed: November 7, 2014
    Publication date: June 18, 2015
    Inventors: Hansruedi LOETSCHER, Walter HUBER, Diana SCHUHBAUER, Karl WEYER, Manfred BROCKHAUS, Bernd BOHRMANN, Hans KOLL, Andreas SCHAUBMAR, Kurt LANG
  • Publication number: 20150099699
    Abstract: A conjugate consisting of an insulin-like growth factor-1 (IGF-I) variant and one or two poly(ethylene glycol) group(s), characterized in that said IGF-I variant has an amino acid alteration at up to three amino acid positions 27, 37, 65, 68 of the wild-type IGF-I amino acid sequence so that one or two of said amino acids is/are lysine and amino acid 27 is a polar amino acid but not lysine, is conjugated via the primary amino group(s) of said lysine(s) and said poly(ethylene glycol) group(s) have an overall molecular weight of from 20 to 100 kDa is disclosed. This conjugate is useful for the treatment of neurodegenerative disorders like Alzheimer's Disease.
    Type: Application
    Filed: September 10, 2014
    Publication date: April 9, 2015
    Inventors: Beat Amrein, Stefan Foser, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Andreas Schaubmar, Friederike Hesse, Klaus-Peter Kuenkele, Martin Lanzendoerfer
  • Patent number: 8906370
    Abstract: The present invention relates to a purified antibody molecule preparation being characterized in that at least one antigen binding site comprises a glycosylated asparagine (Asn) in the variable region of the heavy chain (VH). More specifically, a pharmaceutical and a diagnostic composition comprising said antibody molecule and antibody mixtures are provided which is/are capable of specifically recognizing the ?-A4 peptide/A?4. The present invention relates in particular to a mixture of antibodies comprising one or two glycosylated antigen binding sites with a glycosylated asparagine (Asn) in the variable region of the heavy chain, i.e. mixtures of isoforms of antibodies which comprise a glycosylated Asn in the variable region of the heavy chain (VH). Also disclosed are compositions or antibody preparations comprising the specifically glycosylated antibody isoforms. Furthermore, the pharmaceutical and diagnostic uses for these antibodies are provided.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: December 9, 2014
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Hansruedi Loetscher, Walter Huber, Diana Schuhbauer, Karl Weyer, Manfred Brockhaus, Bernd Bohrmann, Hans Koll, Andreas Schaubmar, Kurt Lang
  • Patent number: 8552158
    Abstract: Method for the production of IGF-I, characterized by cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding a fusion protein comprising said IGF-I N-terminally linked to the C-terminus of a propeptide, whereby said propeptide ends C-terminally with amino acids -Y-Pro, wherein Y is selected from the group consisting of Pro, Pro-Ala, Pro-Gly, Pro-Thr, Ala-Pro, Gly-Pro, Thr-Pro, Arg-Pro, or Pro-Arg-Pro, recovering and cleaving said fusion protein with IgA protease, and recovering said IGF-I. IGF-I is useful for the treatment of neurodegenerative disorders like Alzheimer's Disease.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: October 8, 2013
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar
  • Patent number: 8476232
    Abstract: The present invention relates to a fusion protein comprising IGF-I or an IGF-I variant N-terminally linked to the C-terminus of a propeptide. The invention relates also to a method involving the use of the aforementioned fusion protein in the production of a lysine-PEGylated IGF-I or IGF-I variant. The method comprises the steps of cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding the fusion protein and causing the cell to express the fusion protein, recovering and PEGylating said fusion protein, cleaving said PEGylated fusion protein with IgA protease, and recovering lysine-PEGylated IGF-I or IGF-I variant. The invention relates also to a lysine-PEGylated IGF-I or IGF-I variant produced using the above method. In addition, the invention relates to a method for treating a neurodegenerative disorders like Alzheimer's Disease using the lysine-PEGylated IGF-I or IGF-I variant and a composition comprising the lysine-PEGylated IGF-I or IGF-I variant.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: July 2, 2013
    Assignee: Hoffman-La Roche Inc.
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar, Hans-Joachim Schoenfeld
  • Publication number: 20130065831
    Abstract: The present invention relates to a fusion protein comprising IGF-I or an IGF-I variant N-terminally linked to the C-terminus of a propeptide. The invention relates also to a method involving the use of the aforementioned fusion protein in the production of a lysine-PEGylated IGF-I or IGF-I variant. The method comprises the steps of cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding the fusion protein and causing the cell to express the fusion protein, recovering and PEGylating said fusion protein, cleaving said PEGylated fusion protein with IgA protease, and recovering lysine-PEGylated IGF-I or IGF-I variant. The invention relates also to a lysine-PEGylated IGF-I or IGF-I variant produced using the above method. In addition, the invention relates to a method for treating a neurodegenerative disorders like Alzheimer's Disease using the lysine-PEGylated IGF-I or IGF-I variant and a composition comprising the lysine-PEGylated IGF-I or IGF-I variant.
    Type: Application
    Filed: August 21, 2012
    Publication date: March 14, 2013
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar, Hans-Joachim Schoenfeld
  • Publication number: 20120322732
    Abstract: A conjugate consisting of an insulin-like growth factor-1 (IGF-I) variant and one or two poly(ethylene glycol) group(s), characterized in that said IGF-I variant has an amino acid alteration at up to three amino acid positions 27, 37, 65, 68 of the wild-type IGF-I amino acid sequence so that one or two of said amino acids is/are lysine and amino acid 27 is a polar amino acid but not lysine, is conjugated via the primary amino group(s) of said lysine(s) and said poly(ethylene glycol) group(s) have an overall molecular weight of from 20 to 100 kDa is disclosed. This conjugate is useful for the treatment of neurodegenerative disorders like Alzheimer's Disease.
    Type: Application
    Filed: July 18, 2012
    Publication date: December 20, 2012
    Inventors: Beat Amrein, Stefan Foser, Kurt Lang, Friedrich Metzger, Joerg Regula, Andreas Schaubmar, Friederike Hesse, Klaus-Peter Kuenkele, Martin Lanzendoerfer
  • Publication number: 20110045510
    Abstract: The current invention reports an immunoassay for the determination of PEGylated insulin-like-growth-factor employing an anti-(polyethylene glycol) antibody and an anti-digoxygenin antibody for the detection of an insulin-like-growth-factor/insulin-like-growth-factor-binding-protein-complex.
    Type: Application
    Filed: March 31, 2009
    Publication date: February 24, 2011
    Inventors: Kurt Lang, Andreas Schaubmar, Julia Schleypen, Tilman Schlothauer
  • Publication number: 20100210547
    Abstract: The present invention relates to a fusion protein comprising IGF-I or an IGF-I variant N-terminally linked to the C-terminus of a propeptide. The invention relates also to a method involving the use of the aforementioned fusion protein in the production of a lysine-PEGylated IGF-I or IGF-I variant. The method comprises the steps of cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding the fusion protein and causing the cell to express the fusion protein, recovering and PEGylating said fusion protein, cleaving said PEGylated fusion protein with IgA protease, and recovering lysine-PEGylated IGF-I or IGF-I variant. The invention relates also to a lysine-PEGylated IGF-I or IGF-I variant produced using the above method. In addition, the invention relates to a method for treating a neurodegenerative disorders like Alzheimer's Disease using the lysine-PEGylated IGF-I or IGF-I variant and a composition comprising the lysine-PEGylated IGF-I or IGF-I variant.
    Type: Application
    Filed: April 27, 2010
    Publication date: August 19, 2010
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar, Hans-Joachim Schoenfeld
  • Publication number: 20100121036
    Abstract: Method for the production of IGF-I, characterized by cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding a fusion protein comprising said IGF-I N-terminally linked to the C-terminus of a propeptide, whereby said propeptide ends C-terminally with amino acids -Y-Pro, wherein Y is selected from the group consisting of Pro, Pro-Ala, Pro-Gly, Pro-Thr, Ala-Pro, Gly-Pro, Thr-Pro, Arg-Pro, or Pro-Arg-Pro, recovering and cleaving said fusion protein with IgA protease, and recovering said IGF-I. IGF-I is useful for the treatment of neurodegenerative disorders like Alzheimer's Disease.
    Type: Application
    Filed: August 29, 2007
    Publication date: May 13, 2010
    Applicant: F. HOFFMANN-LA ROCHE AG
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar
  • Publication number: 20100035817
    Abstract: The present invention relates to a fusion protein comprising IGF-I or an IGF-I variant N-terminally linked to the C-terminus of a propeptide. The invention relates also to a method involving the use of the aforementioned fusion protein in the production of a lysine-PEGylated IGF-I or IGF-I variant. The method comprises the steps of cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding the fusion protein and causing the cell to express the fusion protein, recovering and PEGylating said fusion protein, cleaving said PEGylated fusion protein with IgA protease, and recovering lysine-PEGylated IGF-I or IGF-I variant. The invention relates also to a lysine-PEGylated IGF-I or IGF-I variant produced using the above method. In addition, the invention relates to a method for treating a neurodegenerative disorders like Alzheimer's Disease using the lysine-PEGylated IGF-I or IGF-I variant and a composition comprising the lysine-PEGylated IGF-I or IGF-I variant.
    Type: Application
    Filed: October 9, 2009
    Publication date: February 11, 2010
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar, Hans-Joachim Schoenfeld
  • Patent number: 7625996
    Abstract: The present invention relates to a fusion protein comprising IGF-I or an IGF-I variant N-terminally linked to the C-terminus of a propeptide. The invention relates also to a method involving the use of the aforementioned fusion protein in the production of a lysine-PEGylated IGF-I or IGF-I variant. The method comprises the steps of cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding the fusion protein and causing the cell to express the fusion protein, recovering and PEGylating said fusion protein, cleaving said PEGylated fusion protein with IgA protease, and recovering lysine-PEGylated IGF-I or IGF-I variant. The invention relates also to a lysine-PEGylated IGF-I or IGF-I variant produced using the above method. In addition, the invention relates to a method for treating a neurodegenerative disorders like Alzheimer's Disease using the lysine-PEGylated IGF-I or IGF-I variant and a composition comprising the lysine-PEGylated IGF-I or IGF-I variant.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: December 1, 2009
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar, Hans-Joachim Schoenfeld
  • Publication number: 20090252724
    Abstract: The present invention relates to a purified antibody molecule preparation being characterized in that at least one antigen binding site comprises a glycosylated asparagine (Asn) in the variable region of the heavy chain (VH). More specifically, a pharmaceutical and a diagnostic composition comprising said antibody molecule and antibody mixtures are provided which is/are capable of specifically recognizing the ?-A4 peptide/A?4. The present invention relates in particular to a mixture of antibodies comprising one or two glycosylated antigen binding sites with a glycosylated asparagine (Asn) in the variable region of the heavy chain, i.e. mixtures of isoforms of antibodies which comprise a glycosylated Asn in the variable region of the heavy chain (VH). Also disclosed are compositions or antibody preparations comprising the specifically glycosylated antibody isoforms. Furthermore, the pharmaceutical and diagnostic uses for these antibodies are provided.
    Type: Application
    Filed: December 11, 2006
    Publication date: October 8, 2009
    Inventors: Hansruedi Loetscher, Walter Huber, Diana Schuhbauer, Karl Weyer, Manfred Brockhaus, Bernd Bohrmann, Hans Koll, Andreas Schaubmar, Kurt Lang
  • Publication number: 20090117662
    Abstract: The present invention provides a crystal suitable for X-ray diffraction, comprising a complex of insulin-like growth factor I or II (IGF) and a polypeptide consisting of the amino acids 40-92 of IGFBP-5 or a fragment thereof consisting at least of the 9th to 12th cysteine of IGFBP-5 methods for the determination of the atomic coordinates of such a crystal; IGFBP mutants with enhanced binding affinity for IGF-I and/or IGF-II, and methods to identify and optimize small molecules which displace IGFs from their binding proteins.
    Type: Application
    Filed: August 5, 2008
    Publication date: May 7, 2009
    Inventors: Hans-Georg Beisel, Dirk Demuth, Richard Engh, Tadeusz Holak, Robert Huber, Kurt Lang, Ralf Schumacher, Wojciech Zeslawski
  • Publication number: 20080119409
    Abstract: The present invention relates to a fusion protein comprising IGF-I or an IGF-I variant N-terminally linked to the C-terminus of a propeptide. The invention relates also to a method involving the use of the aforementioned fusion protein in the production of a lysine-PEGylated IGF-I or IGF-I variant. The method comprises the steps of cultivating a prokaryotic host cell comprising an expression vector containing a nucleic acid encoding the fusion protein and causing the cell to express the fusion protein, recovering and PEGylating said fusion protein, cleaving said PEGylated fusion protein with IgA protease, and recovering lysine-PEGylated IGF-I or IGF-I variant. The invention relates also to a lysine-PEGylated IGF-I or IGF-I variant produced using the above method. In addition, the invention relates to a method for treating a neurodegenerative disorders like Alzheimer's Disease using the lysine-PEGylated IGF-I or IGF-I variant and a composition comprising the lysine-PEGylated IGF-I or IGF-I variant.
    Type: Application
    Filed: August 29, 2007
    Publication date: May 22, 2008
    Inventors: Stephan Fischer, Friederike Hesse, Hendrik Knoetgen, Kurt Lang, Friedrich Metzger, Joerg Thomas Regula, Christian Schantz, Andreas Schaubmar, Hans-Joachim Schoenfeld
  • Publication number: 20080094851
    Abstract: A motor-vehicle headlight is specified, having at least one light-emitting diode, and an apparatus for controllable manipulation of the beam path of the electromagnetic radiation emitted from the light-emitting diode. The described motor-vehicle headlight is distinguished inter alia by a particularly variable emission characteristic.
    Type: Application
    Filed: October 25, 2007
    Publication date: April 24, 2008
    Inventors: Moritz Engl, Stefan Grotsch, Markus Hofmann, Rainer Huber, Kurt Lang, Mario Wanninger
  • Publication number: 20070191274
    Abstract: A hedgehog conjugate which is characterized in that it contains: a) a polypeptide composed of 10 to 30 hydrophobic amino acids and/or amino acids which form transmembrane helices and are positively charged, b) 1 to 4 aliphatic, saturated or unsaturated hydrocarbon residues with a chain length of 10 to 24 C atoms and with a hydrophobic action or c) a hydrophobic thio compound covalently bound to a hedgehog protein and which has a several-fold increased activity and is suitable as a pharmaceutical agent.
    Type: Application
    Filed: December 22, 2006
    Publication date: August 16, 2007
    Inventors: Angelika Esswein, Kurt Lang, Petra Rueger, Tilman Seytter
  • Patent number: 7153836
    Abstract: A hedgehog conjugate which is characterized in that it contains: a) a polypeptide composed of 10 to 30 hydrophobic amino acids and/or amino acids which form transmembrane helices and are positively charged, b) 1 to 4 aliphatic, saturated or unsaturated hydrocarbon residues with a chain length of 10 to 24 C atoms and with a hydrophobic action or c) a hydrophobic thio compound covalently bound to a hedgehog protein and which has a several-fold increased activity and is suitable as a pharmaceutical agent.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: December 26, 2006
    Assignee: Curis, Inc.
    Inventors: Angelika Esswein, Kurt Lang, Petra Rueger, Tilmann Seytter