Patents by Inventor Stevan P. Tofovic

Stevan P. Tofovic 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: 11103526
    Abstract: PNPase inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can also be used in methods of treating SCD or reducing sickling of red blood cells (RBCs). Herein, 8-substituted guanine and/or 8-substituted guanosine compounds are used in methods to treat hypertension (such as systemic or pulmonary hypertension), stroke, diabetes, and/or patients in need of a diuretic. In addition, 8-substituted guanine and/or 8-substituted guanosine compounds are included in a beverage composition. Further, purine nucleoside phosphorylase (PNPase) inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can be used in methods of treating or reducing the risk of pulmonary hypertension (PH), such as PH associated with HIV or sickle cell disease (SCD).
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: August 31, 2021
    Assignee: University of Pittsburgh—Of the Commonwealth System of Higher Education
    Inventors: Edwin K. Jackson, Stevan P. Tofovic
  • Publication number: 20200323892
    Abstract: PNPase inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can also be used in methods of treating SCD or reducing sickling of red blood cells (RBCs). Herein, 8-substituted guanine and/or 8-substituted guanosine compounds are used in methods to treat hypertension (such as systemic or pulmonary hypertension), stroke, diabetes, and/or patients in need of a diuretic. In addition, 8-substituted guanine and/or 8-substituted guanosine compounds are included in a beverage composition. Further, purine nucleoside phosphorylase (PNPase) inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can be used in methods of treating or reducing the risk of pulmonary hypertension (PH), such as PH associated with HIV or sickle cell disease (SCD).
    Type: Application
    Filed: June 23, 2020
    Publication date: October 15, 2020
    Applicant: University of Pittsburgh - Of the Commonwealth System of Higher Education
    Inventors: Edwin K. Jackson, Stevan P. Tofovic
  • Patent number: 10729711
    Abstract: Herein, 8-substituted guanine and/or 8-substituted guanosine compounds are used in methods to treat hypertension (such as systemic or pulmonary hypertension), stroke, diabetes, and/or patients in need of a diuretic. In addition, 8-substituted guanine and/or 8-substituted guanosine compounds are included in a beverage composition, which can be a fermented beverage, such as wine. Further, purine nucleoside phosphorylase (PNPase) inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can be used in methods of treating or reducing the risk of pulmonary hypertension (PH), such as PH associated with HIV or sickle cell disease (SCD). PNPase inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can also be used in methods of treating SCD or reducing sickling of red blood cells (RBCs).
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: August 4, 2020
    Assignee: University of Pittsburgh—of the Commonwealth System of Higher Education
    Inventors: Edwin K. Jackson, Stevan P. Tofovic
  • Publication number: 20190192544
    Abstract: Herein, 8-substituted guanine and/or 8-substituted guanosine compounds are used in methods to treat hypertension (such as systemic or pulmonary hypertension), stroke, diabetes, and/or patients in need of a diuretic. In addition, 8-substituted guanine and/or 8-substituted guanosine compounds are included in a beverage composition, which can be a fermented beverage, such as wine. Further, purine nucleoside phosphorylase (PNPase) inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can be used in methods of treating or reducing the risk of pulmonary hypertension (PH), such as PH associated with HIV or sickle cell disease (SCD). PNPase inhibitors (such as 8-substituted guanine and/or 8-substituted guanosine) and/or PNPase purine nucleoside substrates (such as guanosine and/or inosine) can also be used in methods of treating SCD or reducing sickling of red blood cells (RBCs).
    Type: Application
    Filed: August 30, 2017
    Publication date: June 27, 2019
    Applicant: University of Pittsburgh - Of the Commonwealth System of Higher Education
    Inventors: Edwin K. Jackson, Stevan P. Tofovic
  • Publication number: 20080171730
    Abstract: Methods are provided for preventing or treating risk factors for cardiovascular disease in an individual, comprising administering a therapeutically effective amount of a composition comprising an estradiol metabolite to said individual. Such risk factors include obesity, the metabolic syndrome, diabetes mellitus, vascular disorders, and renal disorders. Preferred estradiol metabolites include 2-methoxyestradiol, 4-methoxyestradiol, 2-hydroxyestradiol, and 4-hydroxyestradiol or prodrugs thereof. The compositions may also be in the form of a controlled release formulation. Methods are also provided for use of estradiol metabolites to treat or prevent insulin resistance, vascular endothelial dysfunction, hyperlipidemia, hypertension, diabetic nephropathy, proteinuria and reducing leptin levels. In addition, the methods provide a method of stabilizing glucose levels. These treatments may be used in either gender because of their lack of a feminizing estrogenic effect.
    Type: Application
    Filed: November 9, 2005
    Publication date: July 17, 2008
    Applicant: University of Pittsburgh
    Inventors: Edwin K. Jackson, Stevan P. Tofovic, Raghvendra K. Dubey
  • Patent number: 7192941
    Abstract: Methods are provided for the treatment of pulmonary hypertension and other conditions associated therewith. In particular, the methods include treatment of pulmonary hypertension with estradiol metabolite or estradiol metabolite associated with biodegradable microparticles or nanoparticles alone or in combination with another therapeutic agent. Preferred estradiol metabolites include 2-methoxyestradiol, 4-methoxyestradiol, 2-hydroxyestradiol, and 4-hydroxyestradiol, and/or to synthetic derivatives and analogues thereof or prodrugs thereof. The compositions may also be in the form of a controlled release formulation.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: March 20, 2007
    Assignee: University of Pittsburgh
    Inventors: Stevan P. Tofovic, Edwin K. Jackson
  • Patent number: 6998395
    Abstract: Methods are provided for preventing or treating risk factors for cardiovascular disease in an individual, comprising administering a therapeutically effective amount of a composition comprising an estradiol metabolite to said individual. Such risk factors include obesity, the metabolic syndrome, diabetes mellitus, vascular disorders, and renal disorders. Preferred estradiol metabolites include 2-methoxyestradiol, 4-methoxyestradiol, 2-hydroxyestradiol, and 4-hydroxyestradiol or prodrugs thereof. The compositions may also be in the form of a controlled release formulation. Methods are also provided for use of estradiol metabolites to treat or prevent insulin resistance, vascular endothelial dysfunction, hyperlipidemia, hypertension, diabetic nephropathy, proteinuria and reducing leptin levels. In addition, the methods provide a method of stabilizing glucose levels. These treatments may be used in either gender because of their lack of a feminizing estrogenic effect.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: February 14, 2006
    Assignee: University of Pittsburg,
    Inventors: Edwin K. Jackson, Stevan P. Tofovic, Raghvendra K. Dubey
  • Publication number: 20040209855
    Abstract: Methods are provided for the treatment of pulmonary hypertension and other conditions associated therewith. In particular, the methods include treatment of pulmonary hypertension with estradiol metabolite or estradiol metabolite associated with biodegradable microparticles or nanoparticles alone or in combination with another therapeutic agent. Preferred estradiol metabolites include 2-methoxyestradiol, 4-methoxyestradiol, 2-hydroxyestradiol, and 4-hydroxyestradiol, and/or to synthetic derivatives and analogues thereof or prodrugs thereof. The compositions may also be in the form of a controlled release formulation.
    Type: Application
    Filed: February 20, 2004
    Publication date: October 21, 2004
    Inventors: Stevan P. Tofovic, Edwin K. Jackson
  • Publication number: 20040082558
    Abstract: Methods and composition are provided for the treatment or prevention of drug-induced nephrotoxicity and related conditions. More particularly, this invention relates to compositions comprising estradiol metabolites, and prodrugs thereof, that may be incorporated in various controlled release formulations.
    Type: Application
    Filed: August 4, 2003
    Publication date: April 29, 2004
    Inventors: Stevan P. Tofovic, Edwin K. Jackson, Raghvendra K. Dubey
  • Publication number: 20030050294
    Abstract: Methods are provided for preventing or treating risk factors for cardiovascular disease in an individual, comprising administering a therapeutically effective amount of a composition comprising an estradiol metabolite to said individual. Such risk factors include obesity, the metabolic syndrome, diabetes mellitus, vascular disorders, and renal disorders. Preferred estradiol metabolites include 2-methoxyestradiol, 4-methoxyestradiol, 2-hydroxyestradiol, and 4-hydroxyestradiol or prodrugs thereof. The compositions may also be in the form of a controlled release formulation. Methods are also provided for use of estradiol metabolites to treat or prevent insulin resistance, vascular endothelial dysfunction, hyperlipidemia, hypertension, diabetic nephropathy, proteinuria and reducing leptin levels. In addition, the methods provide a method of stabilizing glucose levels. These treatments may be used in either gender because of their lack of a feminizing estrogenic effect.
    Type: Application
    Filed: August 19, 2002
    Publication date: March 13, 2003
    Inventors: Edwin K. Jackson, Stevan P. Tofovic, Raghvendra K. Dubey