Patents by Inventor Sang William Tam

Sang William Tam 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: 7772278
    Abstract: The 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 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: September 24, 2008
    Date of Patent: August 10, 2010
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, Ricky D. Gaston, L. Gordon Letts, Inigo Saenz de Tejada, Sang William Tam, Manuel Worcel
  • Publication number: 20090099139
    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. The present invention also provides novel compositions comprising at least one parent COX-2 inhibitor and at least one nitric oxide donor, and, optionally, at least one therapeutic agent.
    Type: Application
    Filed: August 21, 2008
    Publication date: April 16, 2009
    Applicant: NITROMED, INC.
    Inventors: Ramani R. BANDARAGE, Upul K. BANDARAGE, Xinqin FANG, David S. GARVEY, L. Gordon LETTS, Joseph D. SCHROEDER, Sang William TAM
  • Publication number: 20090088366
    Abstract: The 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 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: Application
    Filed: September 24, 2008
    Publication date: April 2, 2009
    Applicant: NitroMed, Inc.
    Inventors: David S. Garvey, Ricky D. Gaston, Inigo Saenz de Tejada, Sang William Tam, Manuel Worcel
  • Publication number: 20090075956
    Abstract: The invention provides methods for (a) reducing mortality associated with heart failure; (b) improving oxygen consumption; (c) treating heart failure; (d) treating hypertension; (e) improving the quality of life in a heart failure patient; (f) inhibiting left ventricular remodeling; (g) reducing hospitalizations related to heart failure; (h) improving exercise tolerance; (j) increasing left ventricular ejection fraction; (k) decreasing levels of B-type natriuretic protein; (l) treating renovascular diseases; (m) treating end-stage renal diseases; (n) reducing cardiomegaly; (o) treating diseases resulting from oxidative stress; (p) treating endothelial dysfunctions; (q) treating diseases caused by endothelial dysfunctions; (r) treating cardiovascular diseases; in a patient in need thereof, wherein the patient has at least one polymorphism in the endothelial nitric oxide synthase (NOS3) gene, comprising administering to the patient (i) at least one antioxidant compound or a pharmaceutically acceptable salt ther
    Type: Application
    Filed: April 7, 2006
    Publication date: March 19, 2009
    Applicants: NitroMed, Inc., University of Pittsburgh of the Commonwealth System of Higher Education
    Inventors: Manuel Worcel, Michael L. Sabolinski, Sang William Tam, Dennis M. McNamara
  • Patent number: 7449595
    Abstract: The 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 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: December 19, 2006
    Date of Patent: November 11, 2008
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, Ricky D. Gaston, L. Gordon Letts, Inigo Saenz de Tejada, Sang William Tam, Manuel Worcel
  • Publication number: 20080275010
    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: Application
    Filed: July 16, 2008
    Publication date: November 6, 2008
    Applicant: NITROMED, INC.
    Inventors: David S. GARVEY, L. Gordon LETTS, H. Burt RENFROE, Sang William TAM
  • 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: 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: 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: 20030220228
    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: Application
    Filed: June 18, 2003
    Publication date: November 27, 2003
    Inventors: Ramani R. Bandarage, Upul K. Bandarage, Xinqin Fang, David S. Garvey, L. Gordon Letts, Joseph D. Schroeder, Sang William Tam
  • Patent number: 6649629
    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, H2 antagonists, antineoplastic agents, antiplatelet agents, decongestants, diuretics, sedating or non-sedating anti-histamines, inducible nitric oxide synthase inhibitors, opioids, analgesics, Helicobacter pylori inhibitors, proton pump inh
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: November 18, 2003
    Assignee: Nitromed, Inc.
    Inventors: Upul K. Bandarage, Xinqin Fang, David S. Garvey, L. Gordon Letts, Joseph D. Schroeder, Sang William Tam
  • Publication number: 20030109520
    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: Application
    Filed: October 22, 2002
    Publication date: June 12, 2003
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 6482846
    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: August 30, 2001
    Date of Patent: November 19, 2002
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Patent number: 6342503
    Abstract: The present invention provides novel compounds, compounds and pharmaceutical compositions thereof, and methods of using same in the treatment of affective disorders, anxiety, depression, post-traumatic stress disorders, eating disorders, supranuclear palsy, irritable bowel syndrome, immune suppression, Alzheimer'disease, gastrointestinal diseases, anorexia nervosa, drug and alcohol withdrawal symptoms, drug addiction, inflammatory disorders, or fertility problems. The novel compounds provided by this invention are those of formula: wherein R1, R3, R4, R5, Z, Y, V, X, X′, J, K, L, and M are as defined herein.
    Type: Grant
    Filed: January 7, 1998
    Date of Patent: January 29, 2002
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Paul Edward Aldrich, Argyrios Georgios Arvanitis, Robert Scott Cheeseman, Robert John Chorvat, Thomas Eugene Christos, Paul Joseph Gilligan, Dimitri Emil Grigoriadis, Carl Nicholas Hodge, Paul John Krenitsky, Everett Latham Scholfield, Sang William Tam, Zelda Rakowitz Wasserman
  • Patent number: 6323234
    Abstract: Nonsteroidal antiinflammatory drugs which have been substituted with a nitrogen monoxide group; composition 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: March 3, 2000
    Date of Patent: November 27, 2001
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam
  • Publication number: 20010041726
    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 (HMGCoA) inhibitors, H antagonists, antineoplastic agents, antiplatelet agents, decongestants, diuretics, sedating or non-sedating anti-histamines, inducible nitric oxide synthase inhibitors, opioids, analgesics, Helicobacter pylori inhibitors, proton pump inhib
    Type: Application
    Filed: December 22, 2000
    Publication date: November 15, 2001
    Inventors: Ramani R. Bandarage, Upul K. Bandarage, Xinqin Fang, David S. Garvey, L. Gordon Letts, Joseph D. Schroeder, Sang William Tam
  • Patent number: 6143734
    Abstract: A compound comprising a non-steroidal antiinflammatory agent to which is directly or indirectly linked an NO group, a compound comprising an enolic anilide non-steroidal antiinflammatory agent to which is directly or indirectly linked an NO.sub.2 group, a pharmaceutical composition including the compounds and methods of treatment of pain and/or inflammation using the compounds and compositions are disclosed. Also disclosed is a composition comprising a non-steroidal antiinflammatory agent and a compound that donates, transfers or releases nitric oxide.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: November 7, 2000
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, L. Gordon Letts, H. Burt Renfroe, Sang William Tam