Patents by Inventor Hans-Ulrich Demuth

Hans-Ulrich Demuth 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).

  • Publication number: 20110224259
    Abstract: The invention relates to novel heterocyclic derivatives as inhibitors of glutaminyl cyclase (QC, EC 2.3.2.5). QC catalyzes the intramolecular cyclization of N-terminal glutamine residues into pyroglutamic acid (5-oxo-prolyl, pGlu*) under liberation of ammonia and the intramolecular cyclization of N-terminal glutamate residues into pyroglutamic acid under liberation of water.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 15, 2011
    Applicant: PROBIODRUG AG
    Inventors: Ulrich HEISER, Daniel RAMSBECK, Torsten HOFFMANN, Livia BOEHME, Hans-Ulrich DEMUTH
  • Publication number: 20110224254
    Abstract: Novel heterocyclic derivatives as inhibitors of glutaminyl cyclase (QC, EC 2.3.2.5). QC catalyzes the intramolecular cyclization of N-terminal glutamine residues into pyroglutamic acid (5-oxo-prolyl, pGlu*) under liberation of ammonia and the intramolecular cyclization of N-terminal glutamate residues into pyroglutamic acid under liberation of water.
    Type: Application
    Filed: March 10, 2011
    Publication date: September 15, 2011
    Applicant: PROBIODRUG AG
    Inventors: Ulrich Heiser, Ulf-Torsten Gaertner, Hans-Ulrich Demuth
  • Publication number: 20110212853
    Abstract: A method of monitoring treatment of an inflammatory disease or an inflammatory associated disease with the use of the ratio of N-terminal pyroglutamate modified MCP-1 (MCP-1 N1pE):total concentration of MCP-1 within a biological sample as a biomarker, and a method for determining the proportion of N-terminal pyroglutamate modified MCP-1 in relation to the total concentration of MCP-1 in biological samples. Also disclosed are a diagnostic kit and a method for screening a glutaminyl cyclase (QC) inhibitor or measuring the effectiveness of a glutaminyl cyclase (QC) inhibitor.
    Type: Application
    Filed: February 18, 2011
    Publication date: September 1, 2011
    Applicant: PROBIODRUG AG
    Inventors: Holger Cynis, Martin Kleinschmidt, Kathrin Gans, Jens-Ulrich Rahfeld, Hans-Ulrich Demuth, Nadine Taudte
  • Publication number: 20110166035
    Abstract: Provided herein are methods, compositions, and kits related to the detection and diagnosis of a neurodegenerative disorder, such as Alzheimer's disease. Various aspects use the oligomeric state of fragments of amyloid ? as a biomarker and further concerns a novel method to determine the oligomeric state of fragments of amyloid ? in biological samples.
    Type: Application
    Filed: November 24, 2010
    Publication date: July 7, 2011
    Applicant: PROBIODRUG AG
    Inventors: Martin Kleinschmidt, Claudia Goettlich, Hans-Ulrich Demuth, Jens-Ulrich Rahfeld
  • Publication number: 20110152341
    Abstract: Methods and means for the identification of meprin-? and meprin-? as novel ?-secretases and antagonists thereof for use in the treatment of amyloidosis.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 23, 2011
    Applicant: PROBIODRUG AG
    Inventors: Stephan Schilling, Dagmar Schlenzig, Hans-Ulrich Demuth
  • Publication number: 20110092501
    Abstract: The invention relates to novel pyrrolidine derivatives of formula (I): wherein R1, R2 and R3 are as defined herein, as inhibitors of glutaminyl cyclase (QC, EC 2.3.2.5). QC catalyzes the intramolecular cyclization of N-terminal glutamine residues into pyroglutamic acid (5-oxo-prolyl, pGlu*) under liberation of ammonia and the intramolecular cyclization of N-terminal glutamate residues into pyroglutamic acid under liberation of water.
    Type: Application
    Filed: September 13, 2010
    Publication date: April 21, 2011
    Applicant: PROBIODRUG AG
    Inventors: Ulrich Heiser, Daniel Ramsbeck, Robert Sommer, Antje Meyer, Torsten Hoffmann, Livia Boehme, Hans-Ulrich Demuth
  • Publication number: 20110091910
    Abstract: A novel method for detection of A? peptides, in particular in plasma, and to the use of A? peptides for diagnosis of Alzheimer's disease.
    Type: Application
    Filed: September 17, 2010
    Publication date: April 21, 2011
    Applicant: PROBIODRUG AG
    Inventors: Martin Kleinschmidt, Claudia Goettlich, Hans-Ulrich Demuth
  • Patent number: 7897633
    Abstract: The present invention relates to novel inhibitors of glutaminyl cyclase and combinations thereof for the treatment of neuronal disorders, especially Alzheimer's disease, Down Syndrome, Parkinson disease, Chorea Huntington, pathogenic psychotic conditions, schizophrenia, impaired food intake, sleep-wakefulness, impaired homeostatic regulation of energy metabolism, impaired autonomic function, impaired hormonal balance, impaired regulation, body fluids, hypertension, fever, sleep dysregulation, anorexia, anxiety related disorders including depression, seizures including epilepsy, drug withdrawal and alcoholism, neurodegenerative disorders including cognitive dysfunction and dementia.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: March 1, 2011
    Assignee: Probiodrug AG
    Inventors: Stephan Schilling, Mirko Buchholz, Andre Niestroj, Ulrich Heiser, Hans-Ulrich Demuth
  • Publication number: 20100299766
    Abstract: A knock-out non-human animal, in particular a mouse, carrying a QPCTL knock-out mutation. Additionally, respective cells and cell lines and methods and compositions for evaluating agents that affect QPCTL, for use in compositions for the treatment of QPCTL-related diseases are disclosed.
    Type: Application
    Filed: May 19, 2010
    Publication date: November 25, 2010
    Applicant: PROBIODRUG AG
    Inventors: Hans-Ulrich Demuth, Anett Stephan, Birgit Koch, Holger Cynis, Stephan Schilling, Reinhard Sedlmeier, Sigrid Graubner
  • Patent number: 7816325
    Abstract: The present application relates to the secondary binding site of dipeptidyl peptidase IV, its relationship amongst substrates and to the modulation of substrate specificity of dipeptidyl peptidase IV (DP IV, synonym: DPP IV, CD26, EC 3.4.14.5). The application relates further to compounds that bind to the secondary binding site of DP IV and their use to modulate the substrate specificity of DP IV; methods of treatment of various DP IV mediated disorders; and screening methods for the identification of secondary binding sites on DP IV and DP IV-like enzymes.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: October 19, 2010
    Assignee: OSI Pharmaceuticals, Inc.
    Inventors: Kerstin Kühn-Wache, Joachim Bär, Hans-Ulrich Demuth, Torsten Hoffmann, Ulrich Heiser, Wolfgang Brandt
  • Publication number: 20100159032
    Abstract: The present invention provides a method for the treatment of neuronal disorders, in a mammal such as a human, which method comprises administering an effective, non-toxic and pharmaceutically acceptable amount of at least one QC-inhibitor, optionally in combination with at least one agent, selected from the group consisting of PEP-inhibitors, LiCl, inhibitors of DP IV/DP IV-like enzymes, NPY-receptor ligands, NPY agonists, NPY antagonists, ACE-inhibitors, PIMT enhancers, inhibitors of beta secretases, inhibitors of gamma secretases and inhibitors of neutral endopeptidase, to a mammal in need thereof.
    Type: Application
    Filed: December 3, 2009
    Publication date: June 24, 2010
    Applicant: PROBIODRUG AG
    Inventors: Ingo Schulz, Stephan Schilling, Hans-Ulrich Demuth, Ulrich Heiser, Andre Johannes Niestroj, Steffen Rossner
  • Patent number: 7732162
    Abstract: The present invention provides novel physiological substrates of mammalian glutaminyl cyclase (QC, EC 2.3.2.5), new effectors of QC, methods for screening for such effectors, and the use of such effectors and pharmaceutical compositions comprising such effectors for the treatment of conditions that can be treated by modulation of QC-activity. Preferred compositions additionally comprise inhibitors of DP IV or DP IV-like enzymes for the treatment or alleviation of conditions that can be treated by modulation of QC- and DP IV-activity.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: June 8, 2010
    Assignee: Probiodrug AG
    Inventors: Torsten Hoffman, Stephan Schilling, Andre J. Niestroj, Hans-Ulrich Demuth, Ulrich Heiser, Mirko Buchholz
  • Publication number: 20100125086
    Abstract: The present invention relates in general to an inhibitor of a glutaminyl peptide cyclotransferase-like protein (QPCTL), and the use thereof for the treatment and/or prevention of an inflammatory disease or disorder selected from the group consisting of (a) chronic and acute inflammations, e.g. rheumatoid arthritis, atherosclerosis, restenosis, pancreatitis; (b) other inflammatory diseases, e.g. neuropathic pain, graft rejection/graft failure/graft vasculopathy, HIV infections/AIDS, gestosis, tuberous sclerosis, Guillain-Barré syndrome, chronic inflammatory demyelinising polyradiculoneuropathy and multiple sclerosis; (c) neuroinflammation; and (d) neurodegenerative diseases, e.g. mild cognitive impairment (MCI), Alzheimer's disease, neurodegeneration in Down Syndrome, Familial British Dementia, and Familial Danish Dementia, which may result from neuroinflammation.
    Type: Application
    Filed: September 4, 2009
    Publication date: May 20, 2010
    Applicant: PROBIODRUG AG
    Inventors: Hans-Ulrich Demuth, Stephan Schilling, Michael Wermann, Holger Cynis, Astrid Kehlen, Daniel Friedrich, Torsten Hoffmann, Kathrin Gans, Jens-Ulrich Rahfeld, Ulrich Heiser, Michael Almstetter, Robert Sommer, Ulf-Torsten Gaertner, Antje Hamann, Michael Thormann, Andreas Tremel
  • Publication number: 20100119475
    Abstract: Compounds of general formula (I): wherein R1, R2, R3, R4, X and Y are as defined herein are inhibitors of glutaminyl cyclase and are therefore useful in treating conditions that can be treated by modulation of glutaminyl cyclase activity.
    Type: Application
    Filed: September 4, 2009
    Publication date: May 13, 2010
    Applicant: PROBIODRUG AG
    Inventors: Ulrich Heiser, Robert Sommer, Ulf-Torsten Gaertner, Antje Hamann, Michael Almstetter, Michael Thormann, Andreas Treml, Hans-Ulrich Demuth, Torsten Hoffman
  • Publication number: 20100119478
    Abstract: Monoclonal antibodies which bind specifically to the proinflammatory cytokine pyroglutamate MCP-1 (MCP-1 N1pE) are described.
    Type: Application
    Filed: August 20, 2009
    Publication date: May 13, 2010
    Applicant: PROBIODRUG AG
    Inventors: Holger Cynis, Hans-Ulrich Demuth, Jens-Ulrich Rahfeld, Kathrin Gans, Stephen Schilling, Sonja Kampfer
  • Publication number: 20100099721
    Abstract: Inhibitors of prolyl endopeptidase of formula 1 W—KCONH—X—CON—Y—CO—Z??(1) wherein K, W, X, Y and Z are specified in the description. The compounds are useful for the treatment of diseases such as mild cognitive impairment (MCI), Alzheimer's disease, Down Syndrome, Parkinson disease and Chorea Huntington.
    Type: Application
    Filed: December 23, 2009
    Publication date: April 22, 2010
    Applicant: PROBIODRUG AG
    Inventors: André J. Niestroj, Ulrich Heiser, Ingo Schulz, Jens-Ulrich Rahfeld, Joachim Baer, Hans-Ulrich Demuth
  • Patent number: 7667044
    Abstract: The present invention relates to novel inhibitors of prolyl endopeptidase of formula 1 W—KCONH—X—CON—Y—CO—Z??(1) wherein K, W, X, Y and Z are specified in the description. The compounds are useful for the treatment of diseases such as mild cognitive impairment (MCI), Alzheimer's disease, Down Syndrome, Parkinson disease and Chorea Huntington.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: February 23, 2010
    Assignee: Probiodrug AG
    Inventors: André Niestroj, Ulrich Heiser, Ingo Schulz, Jens-Ulrich Rahfeld, Joachim Baer, Hans-Ulrich Demuth
  • Publication number: 20100040575
    Abstract: Physiological substrates of mammalian glutaminyl cyclase (QC, EC 2.3.2.5), new effectors of QC, methods for screening for such effectors, and the use of such effectors and pharmaceutical compositions comprising such effectors for the treatment of conditions that can be treated by modulation of QC-activity. Preferred compositions additionally comprise inhibitors of DP IV or DP IV-like enzymes for the treatment or alleviation of conditions that can be treated by modulation of QC- and DP IV-activity.
    Type: Application
    Filed: July 21, 2009
    Publication date: February 18, 2010
    Applicant: PROBIODRUG AG
    Inventors: Torsten Hoffmann, Stephan Schilling, Andre J. Niestroj, Hans-Ulrich Demuth, Ulrich Heiser, Mirko Buchholz
  • Publication number: 20100028918
    Abstract: A method for predicting, diagnosing and prognosticating a neurodegenerative disease, such as Alzheimer's disease (AD), Mild Cognitive Impairment (MCI) and neurodegeneration in Down's syndrome (NDS) using glutaminyl cyclase (QC) as a diagnostic/prognostic indicator. The use of antibodies binding to QC and kits for performing said diagnostic method are also provided.
    Type: Application
    Filed: July 31, 2009
    Publication date: February 4, 2010
    Applicant: PROBIODRUG AG
    Inventors: Hans-Ulrich Demuth, Stephan Schilling, Martin Kleinschmidt, Jens-Ulrich Rahfeld, Astrid Kehlen, Monique Haegele
  • Patent number: 7655684
    Abstract: Compounds that act as inhibitors of QC including those represented by the general formulae 1 to 9: and combinations thereof for the treatment of neuronal disorders, especially Alzheimer's disease, Down Syndrome, Parkinson disease, Corea Huntington, pathogenic psychotic conditions, schizophrenia, impaired food intake, sleep-wakefulness, impaired homeostatic regulation of energy metabolism, impaired autonomic function, impaired hormonal balance, impaired regulation, body fluids, hypertension, fever, sleep dysregulation, anorexia, anxiety related disorders including depression, seizures including epilepsy, drug withdrawal and alcoholism, neurodegenerative disorders including cognitive dysfunction and dementia.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: February 2, 2010
    Assignee: Probiodrug AG
    Inventors: Stephan Schilling, Andre Johannes Niestroj, Ulrich Heiser, Hans-Ulrich Demuth, Mirko Buchholz