Patents by Inventor L. Gordon Letts

L. Gordon Letts 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: 7396829
    Abstract: The invention describes novel compositions and kits comprising at least one nitric oxide enhancing diuretic compound, or pharmaceutically acceptable salts thereof, and, optionally, at least one nitric oxide enhancing compound and/or at least one therapeutic agent. The invention also provides methods for (a) treating conditions resulting from excessive water and/or electrolyte retention; (b) treating cardiovascular diseases; (c) treating renovascular diseases; (d) treating diabetes; (e) treating diseases resulting from oxidative stress; (f) treating endothelial dysfunctions; (g) treating diseases caused by endothelial dysfunctions; (h) treating cirrhosis; (j) treating pre-eclampsia; (k) treating osteoporosis; (l) treating nephropathy; (m) treating peripheral vascular diseases; (n) treating portal hypertension; (o) treating central nervous system disorders; (p) treating metabolic syndrome; (q) treating sexual dysfunctions; and (r) hyperlipidemia.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: July 8, 2008
    Assignee: Nitromed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Richard A. Earl, Maiko Ezawa, Xinqin Fang, Ricky D. Gaston, Subhash P. Khanapure, Chia-En Lin, Ramani R. Ranatunge, Cheri A. Stevenson, Shiow-Jyi Wey
  • Patent number: 7345037
    Abstract: Disclosed are (i) compounds of a steroid, a ?-agonist, an anticholinergic, a mast cell stabilizer and a phosphodiesterase (PDE) inhibitor directly or indirectly linked to a NO or NO2 group or a group which stimulates endogenous production of NO or EDRF in vivo; (ii) compositions of steroids, ?-agonists, anticholinergics, mast cell stabilizers and PDE inhibitors, which can optionally be substituted with at least one NO or NO2 moiety or a group which stimulates endogenous production of NO or EDRF in vivo, and a compound that donates, transfers or releases nitric oxide as a charged species, i.e., nitrosonium (NO+) or nitroxyl (NO?), or as the neutral species, nitric oxide (NO.) or that stimulates endogenous production of NO or EDRF in vivo; and (iii) uses for them in preventing and/or treating respiratory disorders.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: March 18, 2008
    Assignee: Nitromed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Stewart K. Richardson
  • Patent number: 7332505
    Abstract: The present invention describes novel nitrosated and/or nitrosylated proton pump inhibitor compounds, and novel compositions comprising at least one proton pump inhibitor compound that is optionally substituted with at least one NO and/or NO2 group, and, optionally, at least one compound that donates, transfers, or releases nitric oxide, induces the production of endogenous nitric oxide or endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase, and/or at least one nonsteroidal antiinflammatory drug, selective COX-2 inhibitor, antacid, bismuth-containing reagent, acid-degradable antibacterial compound, and mixtures thereof.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: February 19, 2008
    Assignee: Nitromed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Stewart K. Richardson, Sang William Tam, Tiansheng Wang
  • Patent number: 7282519
    Abstract: The invention describes novel nitrosated and/or nitrosylated diuretic compounds or pharmaceutically acceptable salts thereof, and novel compositions comprising at least one nitrosated and/or nitrosylated diuretic compound, and, optionally, at least one nitric oxide donor and/or at least one therapeutic agent. The invention also provides novel compositions and kits comprising at least one diuretic compound of the invention, that is optionally nitrosated and/or nitrosylated, and, optionally, at least one nitric oxide donor compound and/or at least one therapeutic agent.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: October 16, 2007
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Manuel Worcel, Richard A. Earl, Maiko Ezawa, Xinqin Fang, Subhash P. Khanapure, Chia-En Lin, Ramani R. Ranatunge, Cheri A. Stevenson
  • Patent number: 7256205
    Abstract: The invention describes novel nitrosated and/or nitrosylated H2 receptor antagonist compounds, and novel compositions comprising at least one H2 receptor antagonist compound that is optionally substituted with at least one NO and/or NO2 group, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase and/or at least one nonsteroidal antiinflammatory drug, antacid, bismuth-containing reagent or anti-viral agent.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: August 14, 2007
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Chia-En Lin, Tiansheng Wang
  • Patent number: 7220749
    Abstract: The invention describes novel nitrosated and/or nitrosylated cyclooxygenase 2 (COX-2) selective inhibitors and novel compositions comprising at least one nitrosated and/or nitrosylated cyclooxygenase 2 (COX-2) selective inhibitor, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase, and/or, optionally, at least one therapeutic agent. The invention also provides novel compositions comprising at least one COX-2 selective inhibitor, that is optionally sitrosated and/or nitrosylated, and, optionally, at least one nitric oxide donor and/or at least one therapeutic agent.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: May 22, 2007
    Assignee: NitroMed, Inc.
    Inventors: L. Gordon Letts, David S. Garvey
  • Patent number: 7211590
    Abstract: The invention describes novel nitrosated proton pump inhibitor compounds and pharmaceutically acceptable salts thereof, and novel compositions comprising at least one nitrosated proton pump inhibitor compound, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase, and/or at least one therapeutic agent. The invention also provides novel compositions comprising at least one nitrosated proton pump inhibitor compound, and at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: May 1, 2007
    Assignee: NitroMed, Inc.
    Inventors: Xinqin Fang, David S. Garvey, L. Gordon Letts
  • Patent number: 7176238
    Abstract: The present invention describes novel nitrosated and/or nitrosylated prostaglandins, and novel compositions comprising at least one nitrosated and/or nitrosylated prostaglandin, and, optionally, at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase, and/or at least one vasoactive agent. The present invention also provides novel compositions comprising at least one prostaglandin and at least one S-nitrosothiol compound, and, optionally, at least one vasoactive agent. The prostaglandin is preferably a prostaglandin E1 compound, more preferably alprostadil, and the S-nitrosothiol compound is preferably S-nitrosoglutathione.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: February 13, 2007
    Assignee: NitroMed Inc.
    Inventors: David S. Garvey, Ricky D. Gaston, L. Gordon Letts, Inigo Saenz de Tejada, Sang William Tam, Manuel Worcel
  • Patent number: 7166618
    Abstract: The present invention describes novel nitrosated and/or nitrosylated cyclooxygenase 2 (COX-2) inhibitors and novel compositions comprising at least one nitrosated and/or nitrosylated cyclooxygenase 2 (COX-2) inhibitor, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase, and/or optionally, at least one therapeutic agent, such as, steroids, nonsteroidal antiinflammatory compounds (NSAID), 5-lipoxygenase (5-LO) inhibitors, leukotriene B4 (LTB4) receptor antagonists, leukotriene A4 (LTA4) hydrolase inhibitors, 5-HT agonists, 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) inhibitors, H2antagonists, antineoplastic agents, antiplatelet agents, decongestants, diuretics, sedating or non-sedating anti-histamines, inducible nitric oxide synthase inhibitors, opioids, analgesics, Helicobacter pylori inhibitors, proton pump inhi
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: January 23, 2007
    Assignee: NitroMed, Inc.
    Inventors: Ramani R. Bandarage, David S. Garvey, L. Gordon Letts, Joseph D. Schroeder, Sang William Tam
  • Patent number: 7163958
    Abstract: The invention describes novel nitrosated nonsteroidal antiinflammatory drugs (NSAIDs) and pharmaceutically acceptable salts thereof, and novel compositions comprising at least one nitrosated NSAID, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase, and/or at least one therapeutic agent. The invention also provides novel compositions comprising at least one nitrosated NSAID, and at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent. The invention also provides novel kits comprising at least one nitrosated NSAID, and, optionally, at least one nitric oxide donor and/or at least one therapeutic agent.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: January 16, 2007
    Assignee: NitroMed Inc.
    Inventors: Richard A. Earl, Maiko Ezawa, Xinqin Fang, David S. Garvey, Ricky D. Gaston, Subhash P. Khanapure, L. Gordon Letts, Chia-En Lin, Ramani R. Ranatunge, Stewart K. Richardson, Joseph D. Schroeder, Cheri A. Stevenson, Shiow-Jyi Wey
  • Patent number: 7160920
    Abstract: Disclosed are (i) compounds of a steroid, a ?-agonist, an anticholinergic, a mast cell stabilizer and a phosphodiesterase (PDE) inhibitor directly or indirectly linked to a NO or NO2 group or a group which stimulates endogenous production of NO or EDRF in vivo; (ii) compositions of steroids, ?-agonists, anticholinergics, mast cell stabilizers and PDE inhibitors, which can optionally be substituted with at least one NO or NO2 moiety or a group which stimulates endogenous production of NO or EDRF in vivo, and a compound that donates, transfers or releases nitric oxide as a charged species, i.e., nitrosonium (NO+) or nitroxyl (NO?), or as the neutral species, nitric oxide (NO.) or that stimulates endogenous production of NO or EDRF in vivo; and (iii) uses for them in preventing and/or treating respiratory disorders.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: January 9, 2007
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Stewart K. Richardson
  • Patent number: 7129251
    Abstract: The invention describes novel nitrosated and/or nitrosylated H2 receptor antagonist compounds, and novel compositions comprising at least one H2 receptor antagonist compound that is optionally substituted with at least one NO and/or NO2 group, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase and/or at least one nonsteroidal antiinflammatory drug, antacid, bismuth-containing reagent or anti-viral agent.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: October 31, 2006
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Chia-En Lin, Tiansheng Wang
  • Publication number: 20050222243
    Abstract: The invention describes novel nitrosated nonsteroidal antiinflammatory drugs (NSAIDs) and pharmaceutically acceptable salts thereof, and novel compositions comprising at least one nitrosated NSAID, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase, and/or at least one therapeutic agent. The invention also provides novel compositions comprising at least one nitrosated NSAID, and at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent. The invention also provides novel kits comprising at least one nitrosated NSAID, and, optionally, at least one nitric oxide donor and/or at least one therapeutic agent.
    Type: Application
    Filed: May 23, 2005
    Publication date: October 6, 2005
    Applicant: NitroMed, Inc.
    Inventors: Richard Earl, Maiko Ezawa, Xinqin Fang, David Garvey, Ricky Gaston, Subhash Khanapure, L. Gordon Letts, Chia-En Lin, Ramani Ranatunga, Stewart Richardson, Joseph Schroeder, Cheri Stevenson, Shiow-Jyi Wey
  • Patent number: 6936627
    Abstract: The invention describes novel nitrosated and/or nitrosylated H2 receptor antagonist compounds, and novel compositions comprising at least one H2 receptor antagonist compound that is optionally substituted with at least one NO and/or NO2 group, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase and/or at least one nonsteroidal antiinflammatory drug, antacid, bismuth-containing reagent or anti-viral agent.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: August 30, 2005
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Chia-En Lin, Tiansheng Wang
  • Patent number: 6869973
    Abstract: The present invention describes novel nitrosated and/or nitrosylated taxanes, and novel compositions comprising at least one nitrosated and/or nitrosylated taxane, and, optionally, at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent. The present invention also provides novel compositions comprising at least one taxane and at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent. The compounds and compositions of the present invention can also be bound to a matrix.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: March 22, 2005
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Chia-En Lin, Stewart K. Richardson, Tiansheng Wang
  • Patent number: 6852739
    Abstract: The present invention describes novel nitrosated and/or nitrosylated proton pump inhibitor compounds, and novel compositions comprising at least one proton pump inhibitor compound that is optionally substituted with at least one NO and/or N02 group, and, optionally, at least one compound that donates, transfers or releases nitric oxide, stimulates endogenous synthesis of nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor or is a substrate for nitric oxide synthase, and/or at least one nonsteroidal antiinflammatory drug, selective COX-2 inhibitor, antacid, bismuth-containing reagent, acid-degradable antibacterial compound, and mixtures thereof.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: February 8, 2005
    Assignee: Nitromed Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Sang William Tam
  • Publication number: 20040266828
    Abstract: The present invention describes novel nitrosated and/or nitrosylated proton pump inhibitor compounds, and novel compositions comprising at least one proton pump inhibitor compound that is optionally substituted with at least one NO and/or NO2 group, and, optionally, at least one compound that donates, transfers, or releases nitric oxide, induces the production of endogenous nitric oxide or endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase, and/or at least one nonsteroidal antiinflammatory drug, selective COX-2 inhibitor, antacid, bismuth-containing reagent, acid-degradable antibacterial compound, and mixtures thereof.
    Type: Application
    Filed: June 14, 2004
    Publication date: December 30, 2004
    Applicant: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Stewart K. Richardson, Sang William Tam, Tiansheng Wang
  • Patent number: 6790864
    Abstract: Nonsteroidal antiinflammatory drugs which have been substituted with a nitrogen monoxide group; compositions comprising (i) a nonsteroidal antiinflammatory drug, which can optionally be substituted with a nitrogen monoxide group and (ii) a compound that directly donates, transfers or releases a nitrogen monoxide group (preferably as a charged species, particularly nitrosonium); and methods of treatment of inflammation, pain, gastrointestinal lesions and/or fever using the compositions are disclosed. The compounds and compositions protect against the gastrointestinal, renal and other toxicities that are otherwise induced by nonsteroidal antiinflammatory drugs.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: September 14, 2004
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Publication number: 20040152753
    Abstract: The invention describes methods of use for an organic nitrate compound, or a pharmaceutically acceptable salt thereof, wherein the organic nitrate compound comprises at least one sulfur atom and/or at least one disulfide group.
    Type: Application
    Filed: January 21, 2004
    Publication date: August 5, 2004
    Applicant: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts
  • Publication number: 20040087510
    Abstract: The present invention describes novel nitrosated and/or nitrosylated taxanes, and novel compositions comprising at least one nitrosated and/or nitrosylated taxane, and, optionally, at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent. The present invention also provides novel compositions comprising at least one taxane and at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase and/or at least one therapeutic agent. The compounds and compositions of the present invention can also be bound to a matrix.
    Type: Application
    Filed: October 14, 2003
    Publication date: May 6, 2004
    Applicant: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, Chia-En Lin, Stewart K. Richardson, Tiansheng Wang