Patents Assigned to DiaMedica Inc.
  • Patent number: 11857608
    Abstract: Provided are dosage forms of one or more tissue kallikrein-1 (KLK1) polypeptides which have a total KLK1 polypeptide dosage of about 0.1 ?g/kg to about 10.0 ?g/kg, including subcutaneous and intravenous dosage forms. Also provided are related devices and methods of use thereof, for example, for treating ischemic and hemorrhagic conditions.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: January 2, 2024
    Assignee: DiaMedica Inc.
    Inventors: Rick Pauls, Todd Verdoorn
  • Patent number: 9839678
    Abstract: Provided are preparations of tissue kallikrein-1 (KLK1) glycoforms having a defined number of oligosaccharide units per KLK1 molecule. Also provided are mixtures of such glycoforms, pharmaceutical compositions containing such glycoforms or mixtures thereof, methods of obtaining the rhKLK1 glycoforms, and therapeutic uses thereof.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: December 12, 2017
    Assignee: DIAMEDICA INC.
    Inventors: Matthew Charles, Tadeusz Kolodka, Mark Williams
  • Patent number: 9616015
    Abstract: Provided are high concentration compositions of tissue kallikrein-1 (KLK1) and methods of parenterally administering such compositions to a subject in need thereof, where absorption into the circulation via, for example, intravenous or subcutaneous administration improves systemic pharmacokinetics, bioavailability, safety, and/or convenience relative to intravenous or other forms of administration. Also provided are recombinant human KLK1 (rhKLK1) polypeptides that can be readily concentrated to high protein concentrations, and substantially pure compositions thereof.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: April 11, 2017
    Assignee: DiaMedica Inc.
    Inventor: Matthew Charles
  • Patent number: 9364521
    Abstract: Provided are preparations of tissue kallikrein-1 (KLK1) glycoforms having a defined number of oligosaccharide units per KLK1 molecule. Also provided are mixtures of such glycoforms, pharmaceutical compositions containing such glycoforms or mixtures thereof, methods of obtaining the rhKLK1 glycoforms, and therapeutic uses thereof.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: June 14, 2016
    Assignee: DiaMedica Inc.
    Inventors: Matthew Charles, Tadeusz Kolodka, Mark Williams
  • Publication number: 20140134152
    Abstract: Embodiments of the present invention relate to compositions and methods of treating patients for type 1 diabetes mellitus (T1D) by administering a therapeutically effective dose of recombinant human KLK1, variants of KLK1, or active fragments thereof. Such patients may be increase risk patients for developing T1D or T1D patients in the Honeymoon Phase. Such treatment may be expected to prevent or delay the onset of T1D, to ameliorate the symptoms of T1D, or to ameliorate the extent to which the T1D manifests.
    Type: Application
    Filed: May 4, 2012
    Publication date: May 15, 2014
    Applicant: DiaMedica Inc.
    Inventors: Mark S Willimas, Matthew L. Charles
  • Patent number: 8673964
    Abstract: The present invention provides pharmaceutical compositions comprising: (a) a modulator of hepatic parasympathetic tone, (b) at least one diabetes drug, and (c) a pharmaceutically acceptable carrier. The present invention includes methods for the treatment and/or prevention of insulin resistance, type 2 diabetes, impaired glucose intolerance, and other associated disorders with pharmaceutical compositions described herein. The invention also provides for a kit comprising a pharmaceutical composition and instructions for its use.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: March 18, 2014
    Assignee: DiaMedica Inc.
    Inventor: Wilfred Wayne Lautt
  • Publication number: 20140017242
    Abstract: The present invention relates generally to anti-bradykinin B2 receptor (BKB2R) antibodies and methods for making and using them. In particular, the anti-BKB2R antibodies having the variable region sequences described herein are useful for altering one or more of BKB2R of and/or GSK-3 signaling pathways for the treatment of diseases, disorders and conditions such as cancer, diabetes, cardiovascular disorders and other conditions.
    Type: Application
    Filed: December 1, 2011
    Publication date: January 16, 2014
    Applicant: DIAMEDICA INC.
    Inventors: Mark S. Williams, Matthew L. Charles
  • Publication number: 20130224230
    Abstract: The present invention relates to pharmaceutical compositions comprising glandular kallikrein in combination with myelin basic protein or copaxone for use in the treatment of multiple sclerosis. The present invention further relates to a method of suppressing autoimmune responses in a patient afflicted with or suffering at least one clinical sign of multiple sclerosis, comprising administering to said patient a therapeutically effective amount of glandular kallikrein in combination with a therapeutically effective amount of myelin basic protein or copaxone.
    Type: Application
    Filed: November 1, 2012
    Publication date: August 29, 2013
    Applicant: DIAMEDICA INC.
    Inventor: DiaMedica Inc.
  • Patent number: 8501695
    Abstract: This invention relates to methods of treating Alzheimer's disease or symptoms thereof, and amnesic mild cognitive impairment or symptoms thereof. Methods of the invention include administering a therapeutically effective amount of tissue kallikrein, variants or active fragments thereof. The invention further relates to uses of tissue kallikrein or a variant or active fragment thereof for the digesting or cleaving amyloid and the treatment of conditions benefiting from the digestion or cleavage of amyloid. The invention further relates to pharmaceutical compositions comprising a therapeutically effective amount of tissue kallikrein, variants or active fragments thereof formulated for oral or intranasal administration.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: August 6, 2013
    Assignee: DiaMedica, Inc.
    Inventor: Mark Williams
  • Publication number: 20130089564
    Abstract: Provided is an immunosuppressive peptide of 40 kDa molecular weight, isolated from the submandibular glands (SMG*) of rats, having the capacity to suppress immune reactions upon parenteral administration to rats and mice. The peptide was identified as glandular kallikrein (K1) by partial sequencing and by enzymatic activity. Also provided are methods and compositions for Using K1 peptides in the treatment of autoimmune diseases.
    Type: Application
    Filed: August 21, 2012
    Publication date: April 11, 2013
    Applicant: DIAMEDICA INC.
    Inventors: Istvan Berczi, Edris Sabbadini, Eva Nagy
  • Publication number: 20120276019
    Abstract: Provided herein are methods of treating Parkinson's disease, dementia with Lewy bodies, and conditions associated with Parkinson's disease and dementia with Lewy bodies. These methods include administering to a subject in need thereof a therapeutically effective amount of a tissue kallikrein (KLK1) polypeptide, including active variants and fragments thereof.
    Type: Application
    Filed: June 12, 2012
    Publication date: November 1, 2012
    Applicant: DIAMEDICA INC.
    Inventors: Matthew L. Charles, Mark S. Williams
  • Publication number: 20120070425
    Abstract: The invention relates to methods of administering kallikrein, a variant, or active fragment thereof to stimulate proliferation of islet cells generally and ?-cells specifically. The invention also includes compositions to stimulate proliferation in vivo and in vitro.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 22, 2012
    Applicant: DIAMEDICA, INC.
    Inventors: Mark WILLIAMS, Kevin Richardson
  • Publication number: 20110150781
    Abstract: The invention relates to methods of treating Parkinson's disease, dementia with Lewy bodies, and conditions associated with Parkinson's disease and dementia with Lewy bodies. Methods include administering a therapeutically effective amount of tissue kallikrein, variants or active fragments thereof.
    Type: Application
    Filed: July 24, 2009
    Publication date: June 23, 2011
    Applicant: DiaMedica Inc.
    Inventors: Matthew L. Charles, Mark Williams
  • Publication number: 20100008899
    Abstract: The invention relates to pharmaceutical compositions comprising tissue kallikrem (TK), and optionally a diabetes drug, a method of screening for a metabolic disorder by determining the concentration of TK and insulin in a biological sample from a test subject, a method of screening for a therapeutic agent for the treatment or prevention of a metabolic disorder, and a method for treating or preventing a metabolic disorder using a pharmaceutical composition comprising TK.
    Type: Application
    Filed: July 26, 2007
    Publication date: January 14, 2010
    Applicant: DIAMEDICA, INC.
    Inventor: Mark Williams
  • Publication number: 20090324701
    Abstract: The present invention provides pharmaceutical compositions comprising (S)-bethanechol or a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable carrier and optionally at least one diabetes drug. The use of said composition in the treatment of insulin resistance, type 2 diabetes, impaired glucose tolerance and related disorders is also provided. The invention also provides for a kit comprising the pharmaceutical compositions and instructions for its use.
    Type: Application
    Filed: January 19, 2007
    Publication date: December 31, 2009
    Applicant: DIAMEDICA, INC.
    Inventor: Mark Williams
  • Patent number: 7622447
    Abstract: There is provided a method of reducing insulin resistance in a mammalian patient comprising selecting a patient suffering from insulin resistance and administering a compound which increases hepatic glutathione and a compound which increases hepatic nitric oxide.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: November 24, 2009
    Assignee: DiaMedica Inc.
    Inventors: W. Wayne Lautt, Paula Macedo
  • Publication number: 20090233995
    Abstract: The present invention provides pharmaceutical compositions comprising: (a) a modulator of hepatic parasympathetic tone, (b) at least one diabetes drug, and (c) a pharmaceutically acceptable carrier. The present invention includes methods for the treatment and/or prevention of insulin resistance, type 2 diabetes, impaired glucose intolerance, and other associated disorders with pharmaceutical compositions described herein. The invention also provides for a kit comprising a pharmaceutical composition and instructions for its use.
    Type: Application
    Filed: May 20, 2005
    Publication date: September 17, 2009
    Applicant: DiaMedica Inc.
    Inventor: Wilfred Wayne Lautt
  • Publication number: 20070238762
    Abstract: The present invention provides pharmaceutical compositions comprising antagonists of hepatic sympathetic activity and methods for using said pharmaceutical compositions for treatment of hyperglycemia, hyperinsulinaemia, hyperlipidaemia, hypertriglyceridaemia, diabetes, insulin resistance, impaired glucose metabolism, conditions of impaired glucose tolerance, conditions of impaired fasting plasma glucose, obesity, diabetic retinopathy, diabetic nephropathy, glomerulosclerosis, diabetic neuropathy, syndrome X, renal failure, sexual dysfunction, chronic stress, and anxiety.
    Type: Application
    Filed: September 15, 2004
    Publication date: October 11, 2007
    Applicant: DiaMedica Inc.
    Inventor: Wilfred Lautt
  • Publication number: 20070009438
    Abstract: The present invention provides methods and materials for diagnosing a metabolic disorder comprising measuring insulin and HISS action or alternatively HISS levels, first in a fasting state and again, following consumption of a mixed standard meal. The metabolic disorders diagnosed using the disclosed methods and materials include insulin resistance, pre-diabetes and diabetes. The present invention also provides kits for practicing the disclosed methods.
    Type: Application
    Filed: August 5, 2004
    Publication date: January 11, 2007
    Applicant: DiaMedica Inc.
    Inventor: Wilfred Lautt
  • Publication number: 20050119272
    Abstract: There is provided the use of a phosphodiesterase antagonist to reduce insulin resistance, and to amplify the effect of nitric oxide on skeletal muscle insulin-mediated glucose uptake in a mammal. In some instances, the antagonist is targeted to the liver. In some instances, the insulin resistance is hepatic insulin sensitizing substance (“HISS”) dependant insulin resistance.
    Type: Application
    Filed: January 27, 2003
    Publication date: June 2, 2005
    Applicant: DiaMedica Inc.
    Inventors: W. Lautt, Paula Macedo