Patents by Inventor Michael Kalafatis

Michael Kalafatis 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: 11959110
    Abstract: During the process of coagulation, prothrombin is activated to ?-thrombin by prothrombinase. Key residues in the structure of prothrombin allow for modulation of the activation of prothrombin. In certain embodiments, a recombinant prothrombin with at least one point mutation or deletion is provided.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 16, 2024
    Assignee: Cleveland State University
    Inventors: Michael Kalafatis, Joseph Wiencek
  • Patent number: 11360077
    Abstract: Disclosed are methods and compositions for identifying and treating certain conditions and diseases. In certain instances, the general inventive concepts provide methods for determining rhTRAIL sensitivity of a sample and/or methods and compositions for inducing apoptosis to treat conditions and diseases with rhTRAIL.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 14, 2022
    Assignee: Cleveland State University
    Inventors: Michael Kalafatis, Katherine Turner
  • Publication number: 20210155918
    Abstract: During the process of coagulation, prothrombin is activated to ?-thrombin by prothrombinase. Key residues in the structure of prothrombin allow for modulation of the activation of prothrombin. In certain embodiments, a recombinant prothrombin with at least one point mutation or deletion is provided.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 27, 2021
    Inventors: Michael Kalafatis, Joseph Wiencek
  • Patent number: 10900027
    Abstract: During the process of coagulation, prothrombin is activated to ?-thrombin by prothrombinase. Key residues in the structure of prothrombin allow for modulation of the activation of prothrombin. In certain embodiments, a recombinant prothrombin with at least one point mutation or deletion is provided.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: January 26, 2021
    Assignee: Cleveland State University
    Inventors: Michael Kalafatis, Joseph Wiencek
  • Publication number: 20180348202
    Abstract: Disclosed are methods and compositions for identifying and treating certain conditions and diseases. In certain instances, the general inventive concepts provide methods for determining rhTRAIL sensitivity of a sample and/or methods and compositions for inducing apoptosis to treat conditions and diseases with rhTRAIL.
    Type: Application
    Filed: March 12, 2018
    Publication date: December 6, 2018
    Inventors: Michael Kalafatis, Katherine Turner
  • Publication number: 20180305677
    Abstract: During the process of coagulation, prothrombin is activated to ?-thrombin by prothrombinase. Key residues in the structure of prothrombin allow for modulation of the activation of prothrombin. In certain embodiments, a recombinant prothrombin with at least one point mutation or deletion is provided.
    Type: Application
    Filed: October 7, 2016
    Publication date: October 25, 2018
    Inventors: Michael Kalafatis, Joseph Wiencek
  • Publication number: 20100267638
    Abstract: Disclosed are an amino acid sequence of the human blood clotting factor Va, peptides containing such sequence, and additional peptides of interest that significantly inhibit thrombin generation. Also disclosed are pharmaceutical compositions containing these peptides and related therapeutic methods for inhibiting thrombin generation and treating blood coagulation disorders.
    Type: Application
    Filed: March 9, 2010
    Publication date: October 21, 2010
    Applicant: CLEVELAND STATE UNIVERSITY
    Inventor: Michael Kalafatis
  • Publication number: 20100048657
    Abstract: Methods and related compositions are disclosed for treating an array of myeloproliferative disorders and hematological malignancies. In particular, treatment methods and compositions for treating chronic myelogenous leukemia are disclosed. The methods and compositions utilize certain casein kinases, and specifically CK2? agents.
    Type: Application
    Filed: September 11, 2007
    Publication date: February 25, 2010
    Applicant: CLEVELAND STATE UNIVERSITY
    Inventor: Michael Kalafatis
  • Publication number: 20090054507
    Abstract: Inhibitors of casein kinase 2 are described that have been found to arrest uncontrolled cell proliferation, thereby suggesting their use in cancer treatment strategies. Specific applications include treating breast cancer, colon cancer, melanoma, chronic myelogenous leukemia, bladder cancer, renal cancer, and brain cancer. Various methods and compositions utilizing the inhibitors are described.
    Type: Application
    Filed: August 29, 2008
    Publication date: February 26, 2009
    Applicant: CLEVELAND STATE UNIVERSITY
    Inventor: Michael Kalafatis
  • Publication number: 20070299013
    Abstract: Disclosed are an amino acid sequence of the human blood clotting factor Va, peptides containing such sequence, and additional peptides of interest that significantly inhibit thrombin generation. Also disclosed are pharmaceutical compositions containing these peptides and related therapeutic methods for inhibiting thrombin generation and treating blood coagulation disorders.
    Type: Application
    Filed: July 1, 2004
    Publication date: December 27, 2007
    Inventor: Michael Kalafatis
  • Patent number: 7074892
    Abstract: Peptides derived from amino acids 307 to 356 of the human blood coagulation factor Va are provided. Such peptides comprise: i) a length of between 3 and 50 amino acids, ii) a minimum of 3 contiguous amino acids from the 307–356 heavy chain region of factor Va, excluding peptide segments comprising amino acids 311 to 325 and amino acids 321 to 335, iii) optional additional amino acids at one or both ends of the contiguous amino acids such that the entire peptide is at least 60% identical to a sequence within 307 to 356 of factor Va, and iv) have an IC50 of between 50 nM to 500 ?M for inhibition of prothrombinase. The present invention also provides a pharmaceutical composition comprising one or more prothrombinase-inhibiting peptide segments. The present invention also provides administration of the pharmaceutical composition to human subjects for the purpose of preventing thrombotic disorders.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: July 11, 2006
    Assignee: Cleveland State University
    Inventors: Michael Kalafatis, Kenneth G. Mann
  • Publication number: 20040186271
    Abstract: Peptides derived from amino acids 307 to 356 of the human blood coagulation factor Va are provided. Such peptides comprise: i) a length of between 3 and 50 amino acids, ii) a minimum of 3 contiguous amino acids from the 307-356 heavy chain region of factor Va, excluding peptide segments comprising amino acids 311 to 325 and amino acids 321 to 335, iii) optional additional amino acids at one or both ends of the contiguous amino acids such that the entire peptide is at least 60% identical to a sequence within 307 to 356 of factor Va, and iv) have an IC50 of between 50 nM to 500 &mgr;M for inhibition of prothrombinase. The present invention also provides a pharmaceutical composition comprising one or more prothrombinase-inhibiting peptide segments. The present invention also provides administration of the pharmaceutical composition to human subjects for the purpose of preventing thrombotic disorders.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 23, 2004
    Inventors: Michael Kalafatis, Kenneth G. Mann
  • Patent number: 6703364
    Abstract: Peptides derived from amino acids 307 to 356 of the human blood coagulation factor Va are provided. Such peptides comprise: i) a length of between 3 and 50 amino acids, ii) a minimum of 3 contiguous amino acids from the 307-356 heavy chain region of factor Va, excluding peptide segments comprising amino acids 311 to 325 and amino acids 321 to 335, iii) optional additional amino acids at one or both ends of the contiguous amino acids such that the entire peptide is at least 60% identical to a sequence within 307 to 356 of factor Va, and iv) have an IC50 of between 50 nM to 500 &mgr;M for inhibition of prothrombinase. The present invention also provides a pharmaceutical composition comprising one or more prothrombinase-inhibiting peptide segments. The present invention also provides administration of the pharmaceutical composition to human subjects for the purpose of preventing thrombotic disorders.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: March 9, 2004
    Assignee: Cleveland State University
    Inventors: Michael Kalafatis, Kenneth G. Mann
  • Publication number: 20030040600
    Abstract: Peptides derived from amino acids 307 to 356 of the human blood coagulation factor Va are provided. Such peptides comprise: i) a length of between 3 and 50 amino acids, ii) a minimum of 3 contiguous amino acids from the 307-356 heavy chain region of factor Va, excluding peptide segments comprising amino acids 311 to 325 and amino acids 321 to 335, iii) optional additional amino acids at one or both ends of the contiguous amino acids such that the entire peptide is at least 60% identical to a sequence within 307 to 356 of factor Va, and iv) have an IC50 of between 50 nM to 500 &mgr;M for inhibition of prothrombinase. The present invention also provides a pharmaceutical composition comprising one or more prothrombinase-inhibiting peptide segments. The present invention also provides administration of the pharmaceutical composition to human subjects for the purpose of preventing thrombotic disorders.
    Type: Application
    Filed: July 23, 2001
    Publication date: February 27, 2003
    Inventors: Michael Kalafatis, Kenneth Mann
  • Patent number: 6248548
    Abstract: Persons having the Factor VLEIDEN mutation and a lower than average plasma level of TFPI have been found to be at elevated risk of thrombosis. Prophylactic methods for reducing the risk of thrombosis employ the administration of TFPI to achieve higher levels in the plasma.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: June 19, 2001
    Assignee: The University of Vermont and State Agriculture College
    Inventors: Cornelis Van't Veer, Michael Kalafatis, Kenneth G. Mann
  • Patent number: 5977057
    Abstract: Persons having the Factor V.sup.LEIDEN mutation and a lower than average plasma level of TFPI have been found to be at elevated risk of thrombosis. Prophylactic methods for reducing the risk of thrombosis employ the administration of TFPI to achieve higher levels in the plasma.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: November 2, 1999
    Assignee: The University of Vermont and State Agricultural College
    Inventors: Cornelis Van't Veer, Michael Kalafatis, Kenneth G. Mann
  • Patent number: 5856114
    Abstract: The present invention is directed to immunochemical detection procedures, e.g., using both Western blotting and direct immunoassays, for fragments of Factor Va, which can thus be used; (a) in a predictive manner to evaluate the existence and/or extent of a thrombotic complication; (b) to monitor the efficacy of prophylaxis for a thrombotic condition; and (c) as a means to evaluate potential risk of hemorrhage during thrombolytic therapy.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: January 5, 1999
    Assignee: The University of Vermont
    Inventors: Kenneth G. Mann, Michael Kalafatis