Patents by Inventor André J. Niestroj

André J. Niestroj 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: 9656991
    Abstract: Compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein: A represents and B, R1, R2, R3, R4, R5, R6 and Z are as defined throughout the description and the claims.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: May 23, 2017
    Assignee: PROBIODRUG AG
    Inventors: Mirko Buchholz, Ulrich Heiser, André J. Niestroj, Robert Sommer
  • Patent number: 9512082
    Abstract: Compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein: A represents and B, R1, R2, R3, R4, R5, R6 and Z are as defined throughout the description and the claims.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: December 6, 2016
    Assignee: PROBIODRUG AG
    Inventors: Mirko Buchholz, Ulrich Heiser, André J. Niestroj
  • Patent number: 9126987
    Abstract: The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, wherein R1 represents heteroaryl, -carbocyclyl-heteroaryl, -alkenylheteroaryl or -alkylheteroaryl; R2 represents alkyl; carbocyclyl which may optionally be substituted by alkyl; alkenyl; alkynyl, provided a triple bond is not adjacent to X; -alkyl-aryl; -alkyl-heteroaryl; -alkyl-heterocyclyl in which heterocyclyl may optionally be substituted by alkyl; -alkyl-carbocyclyl in which carbocyclyl may optionally be substituted by alkyl; aryl; heteroaryl; or H; X represents S or NR3; R3 represents H or C1-4 alkyl.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: September 8, 2015
    Assignee: PROBIODRUG AG
    Inventors: Ulrich Heiser, Daniel Ramsbeck, Mirko Buchholz, Andre J. Niestroj
  • Patent number: 8809010
    Abstract: Provided herein are methods for treating and preventing neurodegenerative disease in a mammal by administering an inhibitor of glutaminyl cyclase (QC). Neurodegenerative diseases treatable or preventable according to methods described herein include mild cognitive impairment (MCI), Alzheimer's disease, neurodegeneration in Down Syndrome, Familial British Dementia, and Familial Danish Dementia.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: August 19, 2014
    Assignee: Probiodrug AG
    Inventors: Torsten Hoffmann, Stephan Schilling, Andre J. Niestroj, Hans-Ulrich Demuth, Ulrich Heiser, Mirko Buchholz
  • Patent number: 8420684
    Abstract: The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein R1 represents heteroaryl; -carbocyclyl-heteroaryl; -alkenylheteroaryl or -alkylheteroaryl; R2 represents alkyl which may optionally be substituted by hydroxy; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl and hydroxy; aryl; -aryl-heteroaryl; -heteroaryl-aryl; -aryl-heterocyclyl; H; heteroaryl; or heterocyclyl, which may optionally be substituted by one or more groups selected from alkyl oxo and hydroxy; R3 represents alkyl which may optionally be substituted by one of more groups selected from alkoxy, amine, hydroxy and —C(O)Oalkyl; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl haloalkyl, alkoxy, amine, hydroxy and —C(O)Oalkyl; -alkyl-aryl; -alkyl(aryl)2; -alkyl-heteroaryl; -alkyl(he
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: April 16, 2013
    Assignee: Probiodrug AG
    Inventors: Michael Thormann, Michael Altmstetter, Andreas Treml, Ulrich Heiser, Mirko Buchholz, Andre J. Niestroj
  • Patent number: 8278345
    Abstract: The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, R1 represents heteroaryl, -carbocyclyl-heteroaryl, -alkenylheteroaryl or -alkylheteroaryl; R2 represents hydrogen; halogen; alkenyl; alkynyl; -alkenylaryl; -alkenylheteroaryl; alkyl, which may optionally be substituted by one or more groups selected from halogen, hydroxyl, alkoxy-, -thioalkyl, —C(O)OH and —C(O)O-alkyl; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl, halogen, hydroxyl, alkoxy-, -thioalkyl, —C(O)OH and —C(O)O-alkyl; -alkylcarbocyclyl; -alkylheterocyclyl; aryl; heteroaryl; heterocyclyl; -alkylaryl; -alkyl(aryl)2, -alkylheteroaryl; -aryl-heteroaryl; -heterocyclyl-aryl; -aryl-aryl; -heteroaryl-aryl; -heteroaryl-heteroaryl, and —C(O)R4; R3 represents halogen; alkyl optionally substituted by one or more groups selected from halogen, hydroxyl, alkoxy, thioalkyl, —C(O)OH and —C(O)O-alkyl; aryl; heteroaryl; —C(O)R5; R4 and R5 independently repre
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: October 2, 2012
    Assignee: Probiodrug AG
    Inventors: Michael Thormann, Michael Altmstetter, Andreas Treml, Ulrich Heiser, Mirko Buchholz, Andre J. Niestroj
  • Publication number: 20100273835
    Abstract: The invention provides compounds of general formula (I) or a pharmaceutically acceptable salt, polymorph or solvate thereof, including all tautomers and stereoisomers thereof, wherein K, W, X; Y and Z are described throughout the description and claims. The compounds of the present invention are useful as inhibitors of prolyl endopeptidase (PEP, EC 3.4.21.26) and/or IL-6.
    Type: Application
    Filed: July 10, 2008
    Publication date: October 28, 2010
    Applicant: PROBIODRUG AG
    Inventors: Ulrich Heiser, Andre J. Niestroj, Ingo Schulz
  • Patent number: 7803810
    Abstract: Compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt or solvate thereof, including all tautomers, stereoisomers and polymorphs thereof wherein: R1 represents C2-8alkyl; C2-8alkenyl; —(C1-6alkyl)-aryl; —(C1-6alkyl)-heteroaryl; —(C1-6alkyl)-carbocyclyl; —(C1-6alkyl)-heterocyclyl; -aryl; -heteroaryl; -carbocyclyl or -heterocyclyl; wherein said aryl or heteroaryl groups may be optionally substituted by one or more substituents selected from, C1-4alkyl, C1-4-fluoroalkyl, C1-4alkoxy, C1-4-fluoroalkoxy, hydroxy, —SO2(C1-4alkyl), —SO2N(C1-4alkyl)(C1-4alkyl), —SOC1-4alkyl, —SOC3-6cycloalkyl —C(O)O(C1-4alkyl), benzyloxy and phenyl; and wherein said carbocyclyl and heterocyclyl groups may be optionally substituted by one or more substituents selected from —C1-4 alkyl, —C1-4 alkoxy, hydroxyl, halogen and oxo; R2 represents H; C1-4alkyl or halogen; R3 represents H; C1-4alkyl or halogen; and R4 represents H; C1-4alkyl or halogen.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: September 28, 2010
    Assignee: Probiodrug AG
    Inventors: Daniel Ramsbeck, Ulrich Heiser, Mirko Buchholz, Andre J. Niestroj
  • 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: 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
  • 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
  • Patent number: 7625939
    Abstract: The present invention relates to DP IV-inhibitors of formula (1) for the treatment and/or prophylaxis of diseases of mammals including cancer and tumors, metastasis and tumor colonization; and metabolic diseases.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: December 1, 2009
    Assignee: Probiodrug AG
    Inventors: Ulrich Heiser, Andre J. Niestroj, Ulf-Torsten Gaertner, Hans-Ulrich Demuth
  • Publication number: 20090269301
    Abstract: The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, R1 represents heteroaryl, -carbocyclyl-heteroaryl, -alkenylheteroaryl or -alkylheteroaryl; R2 represents hydrogen; halogen; alkenyl; alkynyl; -alkenylaryl; -alkenylheteroaryl; alkyl, which may optionally be substituted by one or more groups selected from halogen, hydroxyl, alkoxy-, -thioalkyl, —C(O)OH and —C(O)O-alkyl; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl, halogen, hydroxyl, alkoxy-, -thioalkyl, —C(O)OH and —C(O)O-alkyl; -alkylcarbocyclyl; -alkylheterocyclyl; aryl; heteroaryl; heterocyclyl; -alkylaryl; -alkyl(aryl)2, -alkylheteroaryl; -aryl-heteroaryl; -heterocyclyl-aryl; -aryl-aryl; -heteroaryl-aryl; -heteroaryl-heteroaryl, and —C(O)R4; R3 represents halogen; alkyl optionally substituted by one or more groups selected from halogen, hydroxyl, alkoxy, thioalkyl, —C(O)OH and —C(O)O-alkyl; aryl; heteroaryl; —C(O)R5; R4 and R5 independently repre
    Type: Application
    Filed: November 8, 2007
    Publication date: October 29, 2009
    Applicant: PROBIODRUG AG
    Inventors: Michael Thormann, Michael Altmstetter, Andreas Treml, Ulrich Heiser, Mirko Buchholz, Andre J. Niestroj
  • Publication number: 20080293618
    Abstract: The present invention relates to DP IV-inhibitors of formula (1) for the treatment and/or prophylaxis of diseases of mammals including cancer and tumors, metastasis and tumor colonization; and metabolic diseases.
    Type: Application
    Filed: May 14, 2008
    Publication date: November 27, 2008
    Applicant: PROBIODRUG AG
    Inventors: Ulrich Heiser, Andre J. Niestroj, Ulf-Torsten Gaertner, Hans-Ulrich Demuth
  • Publication number: 20080286231
    Abstract: Compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein: A represents and B, R1, R2, R3, R4, R5, R6 and Z are as defined throughout the description and the claims.
    Type: Application
    Filed: April 18, 2008
    Publication date: November 20, 2008
    Applicant: PROBIODRUG AG
    Inventors: Mirko Buchholz, Ulrich Heiser, Andre J. Niestroj, Robert Sommer
  • Publication number: 20080262063
    Abstract: Compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein: A represents and B, R1, R2, R3, R4, R5, R6 and Z are as defined throughout the description and the claims.
    Type: Application
    Filed: April 18, 2008
    Publication date: October 23, 2008
    Applicant: PROBIODRUG AG
    Inventors: Mirko Buchholz, Ulrich Heiser, Andre J. Niestroj
  • Publication number: 20080234313
    Abstract: Compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt or solvate thereof, including all tautomers, stereoisomers and polymorphs thereof wherein: R1 represents C2-8alkyl; C2-8alkenyl; —(C1-6alkyl)-aryl; —(C1-6alkyl)-heteroaryl; —(C1-6alkyl)-carbocyclyl; —(C1-6alkyl)-heterocyclyl; -aryl; -heteroaryl; -carbocyclyl or -heterocyclyl; wherein said aryl or heteroaryl groups may be optionally substituted by one or more substituents selected from, C1-4alkyl, C1-4-fluoroalkyl, C1-4alkoxy, C1-4-fluoroalkoxy, hydroxy, —SO2(C1-4alkyl), —SO2N(C1-4alkyl)(C1-4alkyl), —SOC1-4alkyl, —SOC3-6cycloalkyl —C(O)O(C1-4alkyl), benzyloxy and phenyl; and wherein said carbocyclyl and heterocyclyl groups may be optionally substituted by one or more substituents selected from —C1-4 alkyl, —C1-4 alkoxy, hydroxyl, halogen and oxo; R2 represents H; C1-4alkyl or halogen; R3 represents H; C1-4alkyl or halogen; and R4 represents H; C1-4alkyl or halogen.
    Type: Application
    Filed: March 10, 2008
    Publication date: September 25, 2008
    Applicant: PROBIODRUG AG
    Inventors: Daniel Ramsbeck, Ulrich Heiser, Mirko Buchholz, Andre J. Niestroj
  • Publication number: 20080221086
    Abstract: The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein R1 represents heteroaryl; -carbocyclyl-heteroaryl; -alkenylheteroaryl or -alkylheteroaryl; R2 represents alkyl which may optionally be substituted by hydroxy; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl and hydroxy; aryl; -aryl-heteroaryl; -heteroaryl-aryl; -aryl-heterocyclyl; H; heteroaryl; or heterocyclyl, which may optionally be substituted by one or more groups selected from alkyl oxo and hydroxy; R3 represents alkyl which may optionally be substituted by one of more groups selected from alkoxy, amine, hydroxy and —C(O)Oalkyl; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl haloalkyl, alkoxy, amine, hydroxy and —C(O)Oalkyl; -alkyl-aryl; -alkyl(aryl)2; -alkyl-heteroaryl; -alkyl(he
    Type: Application
    Filed: November 8, 2007
    Publication date: September 11, 2008
    Applicant: PROBIODRUG AG
    Inventors: Michael Thormann, Michael Altmstetter, Andreas Treml, Ulrich Heiser, Mirko Buchholz, Andre J. Niestroj
  • Publication number: 20080214620
    Abstract: The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, wherein R1 represents heteroaryl, -carbocyclyl-heteroaryl, -alkenylheteroaryl or -alkylheteroaryl; R2 represents alkyl; carbocyclyl which may optionally be substituted by alkyl; alkenyl; alkynyl, provided a triple bond is not adjacent to X; -alkyl-aryl; -alkyl-heteroaryl; -alkyl-heterocyclyl in which heterocyclyl may optionally be substituted by alkyl; -alkyl-carbocyclyl in which carbocyclyl may optionally be substituted by alkyl; aryl; heteroaryl; or H; X represents S or NR3; R3 represents H or C1-4 alkyl.
    Type: Application
    Filed: November 28, 2007
    Publication date: September 4, 2008
    Applicant: PROBIODRUG AG
    Inventors: Ulrich Heiser, Daniel Ramsbeck, Mirko Buchholz, Andre J. Niestroj
  • Publication number: 20080153892
    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: Application
    Filed: March 12, 2008
    Publication date: June 26, 2008
    Applicant: Probiodrug AG
    Inventors: Stephan Schilling, Andre J. Niestroj, Ulrich Heiser, Mirko Buchholz, Hans-Ulrich Demuth