Patents by Inventor Ramani R. Ranatunge

Ramani R. Ranatunge 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: 8304409
    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: December 11, 2009
    Date of Patent: November 6, 2012
    Assignee: Nicox S.A.
    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: 8222277
    Abstract: The invention also provides methods for treating inflammation, pain and fever; for treating gastrointestinal disorders; for facilitating wound healing; for treating and/or preventing gastrointestinal, renal and/or respiratory toxicities resulting from the use of nonsteroidal antiinflammatory compounds; for treating inflammatory disease states and/or disorders; and for treating and/or preventing ophthalmic diseases and/or disorders comprising administration of novel compositions comprising at least one nitrosated NSAID, 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.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: July 17, 2012
    Assignee: NiCox S.A.
    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: 8088762
    Abstract: The invention describes novel nitrosated nonsteroidal anti-inflammatory 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: December 11, 2009
    Date of Patent: January 3, 2012
    Assignee: NiCox S.A.
    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
  • Publication number: 20110098253
    Abstract: The invention also provides methods for treating inflammation, pain and fever; for treating gastrointestinal disorders; for facilitating wound healing; for treating and/or preventing gastrointestinal, renal and/or respiratory toxicities resulting from the use of nonsteroidal antiinflammatory compounds; for treating inflammatory disease states and/or disorders; and for treating and/or preventing ophthalmic diseases and/or disorders comprising administration of novel compositions comprising at least one nitrosated NSAID, 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.
    Type: Application
    Filed: December 28, 2010
    Publication date: April 28, 2011
    Applicant: Nicox S.A.
    Inventors: Richard Earl, Maiko Ezawa, Xinquin 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: 7883714
    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: December 11, 2009
    Date of Patent: February 8, 2011
    Assignee: NicOx S.A.
    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: 7838023
    Abstract: The invention provides novel furoxan compounds, or pharmaceutically acceptable salts thereof, and novel compositions comprising at least one compound, and, optionally, at least one nitric oxide enhancing compound and/or at least one therapeutic agent. The compounds and compositions of the invention can also be bound to a matrix. The invention also provides methods for (a) treating cardiovascular diseases; (b) inhibiting platelet aggregation and platelet adhesion caused by the exposure of blood to a medical device; (c) treating pathological conditions resulting from abnormal cell proliferation; (d) treating transplantation rejections, (e) treating autoimmune, inflammatory, proliferative, hyperproliferative or vascular diseases; (f) reducing scar tissue or for inhibiting wound contraction; (g) treating diseases resulting from oxidative stress; (h) treating endothelial dysfunctions; and (j) treating diseases caused by endothelial dysfunctions.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: November 23, 2010
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, Ramani R. Ranatunge
  • Patent number: 7754772
    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: May 23, 2005
    Date of Patent: July 13, 2010
    Assignee: NicOx, S.A.
    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
  • Publication number: 20100093671
    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: December 11, 2009
    Publication date: April 15, 2010
    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
  • Publication number: 20100093708
    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: December 11, 2009
    Publication date: April 15, 2010
    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: 7595313
    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: June 10, 2008
    Date of Patent: September 29, 2009
    Assignee: NicOx, S.A.
    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
  • Publication number: 20090215838
    Abstract: The invention describes compositions and kits comprising at least one organic nitric oxide enhancing salt of an angiotensin ? antagonist, and, optionally, at least one nitric oxide enhancing compound and/or at least one therapeutic agent. The invention also provides methods for (a) treating cardiovascular diseases; (b) treating renovascular diseases; (c) treating diabetes; (d) treating diseases resulting from oxidative stress; (e) treating endothelial dysfunctions; (f) treating diseases caused by endothelial dysfunctions; (g) treating cirrhosis; (h) treating pre-eclampsia; (j) treating osteoporosis; (k) treating nephropathy; (l) treating peripheral vascular diseases; (m) treating portal hypertension; (n) treating ophthalmic disorders; (o) treating metabolic syndrome; and (p) treating hyperlipidemia.
    Type: Application
    Filed: March 9, 2006
    Publication date: August 27, 2009
    Applicant: NitroMed, Inc.
    Inventors: David S. Garvey, Xiong Cai, Chia-En Lin, Ramani R. Ranatunge, Cheri A. Stevenson, Shiow-Jyi Wey
  • Publication number: 20090005350
    Abstract: The invention describes novel cyclooxygenase 2 (COX-2) selective inhibitors and novel compositions comprising at least one 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 at least one therapeutic agent. The invention also provides novel kits comprising at least one COX-2 selective inhibitor, optionally nitrosated and/or nitrosylated, and, optionally, at least one nitric oxide donor, and/or, optionally, at least one therapeutic agent. The novel cyclooxygenase 2 selective inhibitors of the invention can be optionally nitrosated and/or nitrosylated.
    Type: Application
    Filed: September 15, 2008
    Publication date: January 1, 2009
    Applicant: NitroMed, Inc.
    Inventors: Upul K. Bandarage, Richard A. Earl, Maiko Ezawa, Xinqin Fang, David S. Garvey, Subhash P. Khanapure, Ramani R. Ranatunge, Stewart K. Richardson, Joseph D. Schroeder, Cheri A. Stevenson, Shiow-Jyi Wey
  • Publication number: 20080275093
    Abstract: The invention describes novel diuretic compounds comprising at least one heterocyclic nitric oxide donor group, or pharmaceutically acceptable salts thereof, and novel composition comprising at least one diuretic compound comprising at least one heterocyclic nitric oxide donor group, and optionally, at least one nitric oxide enhancing compound and/or at least one therapeutic agent. The invention also provides novel compositions and kits comprising at least one diuretic compound of the invention comprising at least one heterocyclic nitric oxide donor group, and optionally, at least one nitric oxide enhancing compound and/or at least one therapeutic agent.
    Type: Application
    Filed: November 15, 2005
    Publication date: November 6, 2008
    Applicant: NitroMed, Inc.
    Inventors: David S. Garvey, Ramani R. Ranatunge
  • Publication number: 20080268014
    Abstract: The invention provides novel furoxan compounds, or pharmaceutically acceptable salts thereof, and novel compositions comprising at least one compound, and, optionally, at least one nitric oxide enhancing compound and/or at least one therapeutic agent. The compounds and compositions of the invention can also be bound to a matrix. The invention also provides methods for (a) treating cardiovascular diseases; (b) inhibiting platelet aggregation and platelet adhesion caused by the exposure of blood to a medical device; (c) treating pathological conditions resulting from abnormal cell proliferation; (d) treating transplantation rejections, (e) treating autoimmune, inflammatory, proliferative, hyperproliferative or vascular diseases; (f) reducing scar tissue or for inhibiting wound contraction; (g) treating diseases resulting from oxidative stress; (h) treating endothelial dysfunctions; and (j) treating diseases caused by endothelial dysfunctions.
    Type: Application
    Filed: November 16, 2006
    Publication date: October 30, 2008
    Applicant: NITROMED, INC.
    Inventors: David S. Garvey, Ramani R. Ranatunge
  • Patent number: 7442802
    Abstract: The invention describes novel cyclooxygenase 2 (COX-2) selective inhibitors and novel compositions comprising at least one 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 at least one therapeutic agent. The invention also provides novel kits comprising at least one COX-2 selective inhibitor, optionally nitrosated and/or nitrosylated, and, optionally, at least one nitric oxide donor, and/or, optionally, at least one therapeutic agent. The novel cyclooxygenase 2 selective inhibitors of the invention can be optionally nitrosated and/or nitrosylated.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: October 28, 2008
    Assignee: NitroMed, Inc.
    Inventors: Upul K. Bandarage, Richard A. Earl, Maiko Ezawa, Xinqin Fang, David S. Garvey, Subhash P. Khanapure, Ramani R. Ranatunge, Stewart K. Richardson, Joseph D. Schroeder, Cheri A. Stevenson, Shiow-Jyi Wey
  • Publication number: 20080255101
    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: Application
    Filed: June 10, 2008
    Publication date: October 16, 2008
    Applicant: 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: 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: 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: 7244753
    Abstract: The invention describes novel cyclooxygenase 2 (COX-2) selective inhibitors and novel compositions comprising at least one 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 at least one therapeutic agent. The invention also provides novel kits comprising at least one COX-2 selective inhibitor, optionally nitrosated and/or nitrosylated, and, optionally, at least one nitric oxide donor, and/or, optionally, at least one therapeutic agent. The novel cyclooxygenase 2 selective inhibitors of the invention can be optionally nitrosated and/or nitrosylated.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: July 17, 2007
    Assignee: NitroMed, Inc.
    Inventors: David S. Garvey, Subhash P. Khanapure, Ramani R. Ranatunge, Stewart K. Richardson, Joseph D. Schroeder
  • Patent number: 7238814
    Abstract: The invention describes compositions and kits comprising 4-aza-4-(2-methyl-2-sulfanylpropyl) tricyclo(5.2.1.0<2,6>)dec-8-ene-3,5-dione; 4-aza-4-(2-methyl-2-(nitrosothio)propyl) tricyclo(5.2.1.0<2,6>)dec-8-ene-3,5-dione; 4-{1-methyl-1-((2,4,6-trimethoxyphenyl)methylthio)ethyl}-1,3-oxazolidin-2-one; 2-aAmino-3-methyl-3-((2,4,6-trimethoxyphenyl)methylthio)butan-1-ol; 4-(1-methyl-1-(nitrosothio)ethyl)-1,3-oxazolidin-2-one; or pharmaceutically acceptable salts thereof. The compositions of the invention can further comprise at least one penetration enhancer, 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.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: July 3, 2007
    Assignee: NitroMed, Inc.
    Inventors: Przemyslaw A. Marek, Andzrej M. Trocha, Chia-En Lin, Ramani R. Ranatunge, Stewart K. Richardson