Patents by Inventor Richard J. Roman

Richard J. Roman 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: 20210059984
    Abstract: A new drug useful in the treatment of cognitive impairment is provided, in which an effective amount of luseogliflozin or a pharmaceutically acceptable salt thereof, or a hydrate of luseogliflozin or the salt is contained as an active ingredient.
    Type: Application
    Filed: August 30, 2019
    Publication date: March 4, 2021
    Inventors: Fan FAN, Richard J. ROMAN, Shaoxun WANG
  • Patent number: 9511072
    Abstract: The present invention provides a method for preferentially reducing the proliferation of cystic epithelial cells in the kidney or bile duct in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to preferentially reduce the proliferation of cystic epithelial cells over normal epithelial cells such as tubule epithelial cells in the kidney or bile duct. The present invention also provides a method for preventing or treating autosomal dominant polycystic kidney disease (ADPKD), autosomal recessive polycystic kidney disease (ARPKD), ARPKD associated congenital hepatic fibrosis, ARPKD associated Caroli's disease, or cholangiocarcinoma in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to prevent or treat the disease.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: December 6, 2016
    Assignee: The Medical College of Wisconsin, Inc.
    Inventors: William E. Sweeney, Ellis D. Avner, Richard J. Roman
  • Patent number: 9320727
    Abstract: Medicaments that depend on a combination of SGLT 2 inhibitors and antihypertensive drugs and which are useful in the treatment of diseases involving at least hypertension or diabetes mellitus as a risk factor of cardiovascular events, as well as methods of treating the diseases are provided. Since the present invention exhibits a superior hypotensive action that cannot be attained by any single antihypertensive drugs, the conventional problems associated with the use of two or more antihypertensive drugs in order to lower the blood pressure to the desired level can be solved. In addition, the present invention shows a marked therapeutic efficacy in diabetes mellitus, a disease associated with diabetes mellitus, or complications of diabetes mellitus, in particular, diabetic nephropathy. As a further advantage, the present invention is also useful for the treatment of diseases involving lowered renal function.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: April 26, 2016
    Assignee: TAISHO PHARMACEUTICAL CO., LTD
    Inventors: Naoki Kojima, Richard J. Roman, Noriyuki Miyata, Teisuke Takahashi, Hideki Tomoike, Takuya Takeda
  • Publication number: 20150320721
    Abstract: Medicaments that depend on a combination of SGLT 2 inhibitors and antihypertensive drugs and which are useful in the treatment of diseases involving at least hypertension or diabetes mellitus as a risk factor of cardiovascular events, as well as methods of treating the diseases are provided. Since the present invention exhibits a superior hypotensive action that cannot be attained by any single antihypertensive drugs, the conventional problems associated with the use of two or more antihypertensive drugs in order to lower the blood pressure to the desired level can be solved. In addition, the present invention shows a marked therapeutic efficacy in diabetes mellitus, a disease associated with diabetes mellitus, or complications of diabetes mellitus, in particular, diabetic nephropathy. As a further advantage, the present invention is also useful for the treatment of diseases involving lowered renal function.
    Type: Application
    Filed: August 30, 2013
    Publication date: November 12, 2015
    Applicant: TAISHO PHARMACEUTICAL CO., LTD
    Inventors: Naoki KOJIMA, Richard J. ROMAN, Noriyuki MIYATA, Teisuke TAKAHASHI, Hideki TOMOIKE, Takuya TAKEDA
  • Publication number: 20140329811
    Abstract: The present invention provides a method for preferentially reducing the proliferation of cystic epithelial cells in the kidney or bile duct in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to preferentially reduce the proliferation of cystic epithelial cells over normal epithelial cells such as tubule epithelial cells in the kidney or bile duct. The present invention also provides a method for preventing or treating autosomal dominant polycystic kidney disease (ADPKD), autosomal recessive polycystic kidney disease (ARPKD), ARPKD associated congenital hepatic fibrosis, ARPKD associated Caroli's disease, or cholangiocarcinoma in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to prevent or treat the disease.
    Type: Application
    Filed: June 12, 2014
    Publication date: November 6, 2014
    Inventors: William E. Sweeney, Ellis D. Avner, Richard J. Roman
  • Patent number: 8846764
    Abstract: The present invention provides a method for preferentially reducing the proliferation of cystic epithelial cells in the kidney or bile duct in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to preferentially reduce the proliferation of cystic epithelial cells over normal epithelial cells such as tubule epithelial cells in the kidney or bile duct. The present invention also provides a method for preventing or treating autosomal dominant polycystic kidney disease (ADPKD), autosomal recessive polycystic kidney disease (ARPKD), ARPKD associated congenital hepatic fibrosis, ARPKD associated Caroli's disease, or cholangiocarcinoma in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to prevent or treat the disease.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: September 30, 2014
    Assignee: The Medical College of Wisconsin, Inc.
    Inventors: William E. Sweeney, Ellis D. Avner, Richard J. Roman
  • Publication number: 20090203603
    Abstract: Compositions and methods for the prevention and treatment of nephropathy, including hypertensive and diabetic nephropathy, and nephropathy associated with insulin resistance and metabolic syndrome are described. Compositions of the invention include a compound that binds to a receptor for the glucagon like peptide-1, an incretin, a glucagon-like peptide-1 (GLP-1), an exendin, or an analog (including an agonist analog), derivative, or variant of any of them.
    Type: Application
    Filed: December 18, 2008
    Publication date: August 13, 2009
    Applicant: AMYLIN PHARMACEUTICALS, INC.
    Inventors: Alain Baron, David R. Hathaway, Mahesh Mistry, Richard J. Roman
  • Patent number: 7507871
    Abstract: A rat model of diabetic nephropathy is disclosed. In another embodiment of the invention, a method of evaluating a test compound's effect of diabetic nephropathy is disclosed. In one embodiment, this method comprises the steps of (a) exposing the test compound to the rat of claim 1, wherein the rat would develop progressive proteinuria and glomerulosclerosis leading to diabetic nephropathy in the absence of the test compound, and (b) comparing the rat's development of diabetic nephropathy with a control T2DN mimic rat that has not been exposed to the test compound.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: March 24, 2009
    Assignee: MCW Research Foundation, Inc.
    Inventors: Howard J. Jacob, Richard J. Roman, Marcelo Nobrega
  • Publication number: 20080306155
    Abstract: A method preserving renal medullary blood flow in a renal disorder in a human or non-human animal is disclosed. The method involves administering 20-HETE or a 20-HETE analog to the human or non-human animal in an amount sufficient to attenuate a fall in renal medullary blood flow following a renal disorder. In addition, a method for preventing and treating ischemic acute renal failure is disclosed. The method involves administering 20-HETE or a 20-HETE agonist to the human or non-human animal in an amount sufficient to prevent or treat ischemic acute renal failure.
    Type: Application
    Filed: June 18, 2008
    Publication date: December 11, 2008
    Inventors: Richard J. Roman, John R. Falck
  • Publication number: 20080167382
    Abstract: The present invention provides a method for preferentially reducing the proliferation of cystic epithelial cells in the kidney or bile duct in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to preferentially reduce the proliferation of cystic epithelial cells over normal epithelial cells such as tubule epithelial cells in the kidney or bile duct. The present invention also provides a method for preventing or treating autosomal dominant polycystic kidney disease (ADPKD), autosomal recessive polycystic kidney disease (ARPKD), ARPKD associated congenital hepatic fibrosis, ARPKD associated Caroli's disease, or cholangiocarcinoma in a mammal in need thereof by administering a 20-HETE synthesizing enzyme inhibitor or a 20-HETE antagonist to the mammal in an amount sufficient to prevent or treat the disease.
    Type: Application
    Filed: September 13, 2007
    Publication date: July 10, 2008
    Inventors: William E. Sweeney, Ellis D. Avner, Richard J. Roman
  • Patent number: 7307101
    Abstract: A method for treating cerebral vascular diseases in a human or non-human animal is disclosed. The method involves inhibiting 20-HETE synthesizing enzyme activity sufficiently to increase or prevent a decrease in cerebral blood flow in the human or non-human animal.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: December 11, 2007
    Assignees: MCW Research Foundation, Inc., Taisho Pharmaceutical Co., Ltd.
    Inventors: Richard J. Roman, David R. Harder, Noriyuki Miyata, Masakazu Sato, Kazuya Kameo, Shigeru Okuyama
  • Publication number: 20040209803
    Abstract: Compositions and methods for the prevention and treatment of nephropathy, including hypertensive and diabetic nephropathy, and nephropathy associated with insulin resistance and metabolic syndrome are described. Compositions of the invention include a compound that binds to a receptor for the glucagon like peptide-1, an incretin, a glucagon-like peptide-1 (GLP1), an exendin, or an analog (including an agonist analog), derivative, or variant of any of them.
    Type: Application
    Filed: December 19, 2003
    Publication date: October 21, 2004
    Inventors: Alain Baron, David R. Hathaway, Mahesh Mistry, Richard J. Roman
  • Patent number: 6764855
    Abstract: The present invention provides a fluorescent HPLC assay for detecting the presence and/or measuring the level of 20-hydroxyeicosatetraenoic acid (20-HETE) and other P-450 metabolites of arachidonic acid in a sample. P-450 metabolites of arachidonic acid are first extracted from the sample and then labeled with 2-(2,3-naphthalimino)ethyl trifluoromethanesulfonate. The labeling reaction is catalyzed by N,N-diisopropylethylamine. Next, the labeled P-450 metabolites are separated on a 4.5×250-mm, 5 &mgr;M particle size C18 reverse-phase HPLC column using a mobile phase of methanol:water:acetic acid (82:18:0.1, v/v/v) and an isocratic elution at a rate of about 1.3 ml per minute. Fluorescence intensities of the column eluent are monitored by a fluorescence detector. Quantitation of P-450 metabolites in a sample can be made by using an internal standard.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: July 20, 2004
    Assignee: MCW Research Foundation
    Inventors: Richard J. Roman, Kristopher G. Maier
  • Publication number: 20030237103
    Abstract: Collections of animals useful for evaluating effects of test agents are disclosed. The collections of animals are offspring of combinatorially mated inbred animals designed to maximize genetic diversity at selected genetic loci or across the genome.
    Type: Application
    Filed: March 4, 2003
    Publication date: December 25, 2003
    Inventors: Howard J. Jacob, Richard J. Roman, Steven H. Nye
  • Publication number: 20030211623
    Abstract: The present invention provides a fluorescent HPLC assay for detecting the presence and/or measuring the level of 20-hydroxyeicosatetraenoic acid (20-HETE) and other P-450 metabolites of arachidonic acid in a sample. P-450 metabolites of arachidonic acid are first extracted from the sample and then labeled with 2-(2,3-naphthalimino)ethyl trifluoromethanesulfonate. The labeling reaction is catalyzed by N,N-diisopropylethylamine. Next, the labeled P-450 metabolites are separated on a 4.5×250-mm, 5 &mgr;M particle size C18 reverse-phase HPLC column using a mobile phase of methanol:water:acetic acid (82:18:0.1, v/v/v) and an isocratic elution at a rate of about 1.3 ml per minute. Fluorescence intensities of the column eluent are monitored by a fluorescence detector. Quantitation of P-450 metabolites in a sample can be made by using an internal standard.
    Type: Application
    Filed: February 14, 2003
    Publication date: November 13, 2003
    Inventors: Richard J Roman, Kristopher G Maier
  • Patent number: 6605641
    Abstract: 20-HETE agonists and antagonists are disclosed along with therapeutic applications. In a preferable form of the invention, the 20-HETE agonists are selected from the group consisting of 21-hydroxyheneicosa-5(Z), 8(Z), 11(Z), 14(Z)-tetraenoic acid, 20-hydroxyeicosa-5(Z), 14(Z)-dienoic acid and 20-, 21-dimethyl 20-HETE. Preferable 20-HETE antagonists include 5(S)-HETE, 15(S)-HETE, 19(S)-HETE, 19-hydroxynonadeca-5(Z), 8(Z), 11(Z), 14(Z)-tetraenoic acid and 20-hydroxyeicosa 6(Z), 15(Z)-dienoic acid.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: August 12, 2003
    Assignee: MCW Research Foundation
    Inventors: Richard J. Roman, John R. Falck, Magdalena Alonso-Galicia, Elizabeth R. Jacobs, David R. Harder
  • Patent number: 6596769
    Abstract: 20-HETE agonists and antagonists are disclosed along with therapeutic applications. In a preferable form of the invention, the 20-HETE agonists are selected from the group consisting of 21-hydroxyheneicosa-5(Z),8(Z),11(Z),14(Z)-tetraenoic acid, 20-hydroxyeicosa-5(Z),4(Z)-dienoic acid and 20-,21-dimethyl 20-HETE. Preferable 20-HETE antagonists include 5(S)-HETE, 15(S)-HETE, 19(S)-HETE, 19-hydroxynonadeca-5(Z),8(Z),11(Z),14(Z)-tetraenoic acid and 20-hydroxyeicosa 6(Z),15(Z)-dienoic acid.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: July 22, 2003
    Assignee: MCW Research Foundation
    Inventors: Richard J. Roman, John R. Falck, Magdalena Alonso-Galicia, Elizabeth R. Jacobs, David R. Harder
  • Publication number: 20020072534
    Abstract: 20-HETE agonists and antagonists are disclosed along with therapeutic applications. In a preferable form of the invention, the 20-HETE agonists are selected from the group consisting of 21-hydroxyheneicosa-5(Z),8(Z),11(Z),14(Z)-tetraenoic acid, 20-hydroxyeicosa-5(Z),4(Z)-dienoic acid and 20-,21-dimethyl 20-HETE. Preferable 20-HETE antagonists include 5(S)-HETE, 15(S)-HETE, 19(S)-HETE, 19-hydroxynonadeca-5(Z),8(Z),ll(Z),14(Z)-tetraenoic acid and 20-hydroxyeicosa 6(Z),15(Z)-dienoic acid.
    Type: Application
    Filed: December 14, 2001
    Publication date: June 13, 2002
    Inventors: Richard J. Roman, John R. Falck, Magdalena Alonso-Galicia, Elizabeth R. Jacobs, David R. Harder
  • Patent number: 6395781
    Abstract: 20-HETE agonists and antagonists are disclosed along with therapeutic applications. In a preferable form of the invention, the 20-HETE agonists are selected from the group consisting of 21-hydroxyheneicosa-5(Z),8(Z),11(Z),14(Z)-tetraenoic acid, 20-hydroxyeicosa-5(Z),14(Z)-dienoic acid and 20-,21-dimethyl 20-HETE. Preferable 20-HETE antagonists include 5(S)-HETE, 15(S)-HETE, 19(S)-HETE, 19-hydroxynonadeca-5(Z),8(Z),11(Z),14(Z)-tetraenoic acid and 20-hydroxyeicosa 6(Z),15(Z)-dienoic acid.
    Type: Grant
    Filed: February 23, 1999
    Date of Patent: May 28, 2002
    Assignee: MCW Research Foundation
    Inventors: Richard J. Roman, John R. Falck, Magdalena Alonso-Galicia, Elizabeth R. Jacobs, David R. Harder
  • Publication number: 20020049244
    Abstract: 20-HETE agonists and antagonists are disclosed along with therapeutic applications. In a preferable form of the invention, the 20-HETE agonists are selected from the group consisting of 21-hydroxyheneicosa-5(Z), 8(Z),11(Z),14(Z)-tetraenoic acid, 20-hydroxyeicosa-5(Z),14(Z)-dienoic acid and 20-,21-dimethyl 20-HETE. Preferable 20-HETE antagonists include 5(S)-HETE, 15(S)-HETE, 19(S)-HETE, 19-hydroxynonadeca-5(Z),8(Z),11(Z),14(Z)-tetraenoic acid and 20-hydroxyeicosa 6(Z),15(Z)-dienoic acid.
    Type: Application
    Filed: December 14, 2001
    Publication date: April 25, 2002
    Inventors: Richard J. Roman, John R. Falck, Magdalena Alonso-Galicia, Elizabeth R. Jacobs, David R. Harder