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).
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Patent number: 8304409Abstract: 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: GrantFiled: December 11, 2009Date of Patent: November 6, 2012Assignee: 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
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Patent number: 8222277Abstract: 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: GrantFiled: December 28, 2010Date of Patent: July 17, 2012Assignee: 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
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Patent number: 8088762Abstract: 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: GrantFiled: December 11, 2009Date of Patent: January 3, 2012Assignee: 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
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Publication number: 20110098253Abstract: 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: ApplicationFiled: December 28, 2010Publication date: April 28, 2011Applicant: 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
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Patent number: 7883714Abstract: 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: GrantFiled: December 11, 2009Date of Patent: February 8, 2011Assignee: 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
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Patent number: 7772278Abstract: 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: GrantFiled: September 24, 2008Date of Patent: August 10, 2010Assignee: NitroMed, Inc.Inventors: David S. Garvey, Ricky D. Gaston, L. Gordon Letts, Inigo Saenz de Tejada, Sang William Tam, Manuel Worcel
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Patent number: 7754772Abstract: 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: GrantFiled: May 23, 2005Date of Patent: July 13, 2010Assignee: 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
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Publication number: 20100137291Abstract: 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: ApplicationFiled: December 11, 2009Publication date: June 3, 2010Inventors: Richard A. EARL, Maiko EZAWA, Xinqin FANG, David S. GARVEY, Ricky D. GASTON, Subhash P. KHANAPURE, L. Gordon LETTS, Chia-En LIN, Ramani R. RANATUNGA, Stewart K. RICHARDSON, Joseph D. SCHROEDER, Cheri A. STEVENSON, Shiow-Jyi WEY
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Publication number: 20100093708Abstract: 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: ApplicationFiled: December 11, 2009Publication date: April 15, 2010Inventors: 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
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Publication number: 20100093671Abstract: 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: ApplicationFiled: December 11, 2009Publication date: April 15, 2010Inventors: 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
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Publication number: 20090306081Abstract: The invention provides solid dosage formulations, methods of making and using the formulations comprising at least one hydralazine compound or a pharmaceutically acceptable salt thereof, and at least one excipient or carrier, wherein the formulations have less than about 0.001% to about 0.1% of a hydrazone compound based on the total weight of the formulation. The invention also provides solid dosage formulations, methods of making and using the formulations comprising at least one hydralazine compound or a pharmaceutically acceptable salt thereof, and at least one nitric oxide donor compound or a pharmaceutically acceptable salt thereof and at least one excipient or carrier, wherein the formulations have less than about 0.001% to about 0.1% of a hydrazone compound based on the total weight of the formulation.Type: ApplicationFiled: May 16, 2007Publication date: December 10, 2009Inventor: L. Gordon Letts
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Patent number: 7595313Abstract: 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: GrantFiled: June 10, 2008Date of Patent: September 29, 2009Assignee: 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
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Patent number: 7589124Abstract: The invention provides novel nitrosated and/or nitrosylated cyclooxygenase 2 (COX-2) selective inhibitors and novel compositions and kits 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 methods for treating inflammation, pain and fever; for treating and/or improving the gastrointestinal properties of COX-2 selective inhibitors; for facilitating wound healing; for treating and/or preventing renal and/or respiratory toxicity; for treating and/or preventing other disorders resulting from elevated levels of cyclooxygenase-2; and for improving the cardiovascular profile of COX-2 selective inhibitors.Type: GrantFiled: April 4, 2007Date of Patent: September 15, 2009Assignee: NicOx, S.A.Inventors: L. Gordon Letts, David S. Garvey
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Publication number: 20090099139Abstract: 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: ApplicationFiled: August 21, 2008Publication date: April 16, 2009Applicant: NITROMED, INC.Inventors: Ramani R. BANDARAGE, Upul K. BANDARAGE, Xinqin FANG, David S. GARVEY, L. Gordon LETTS, Joseph D. SCHROEDER, Sang William TAM
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Publication number: 20090054381Abstract: The invention provides methods for treating respiratory disorders in a patient in need thereof comprising administering an effective amount of (i) at least one hydralazine compound or a pharmaceutically acceptable salt thereof, (ii) isosorbide dinitrate and/or isosorbide mononitrate, and (iii) optionally at least one therapeutic agent. The hydralazine compound may be hydralazine hydrochloride. The respiratory disorders may be chronic obstructive pulmonary disease, pulmonary hypertension, emphysema, asthma, cystic fibrosis and bronchitis.Type: ApplicationFiled: October 4, 2006Publication date: February 26, 2009Applicant: NitroMed, Inc.Inventor: L. Gordon Letts
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Publication number: 20080300292Abstract: The invention describes novel nitrosated and/or nitrosylated compounds or pharmaceutically acceptable salts thereof, and novel compositions comprising at least one nitrosated and/or nitrosylated 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 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. The invention also provides methods for treating ophthalmic disorders. The nitrosated and/or nitrosylated compounds are preferably nitrosated and/or nitrosylated (3-adrenergic antagonists and nitrosated and/or nitrosylated angiotensin-converting enzyme (ACE) inhibitors.Type: ApplicationFiled: November 8, 2005Publication date: December 4, 2008Applicant: NitroMed, IncInventors: L. Gordon Letts, David S. Garvey
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Patent number: 7449595Abstract: 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: GrantFiled: December 19, 2006Date of Patent: November 11, 2008Assignee: NitroMed, Inc.Inventors: David S. Garvey, Ricky D. Gaston, L. Gordon Letts, Inigo Saenz de Tejada, Sang William Tam, Manuel Worcel
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Publication number: 20080275010Abstract: 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: ApplicationFiled: July 16, 2008Publication date: November 6, 2008Applicant: NITROMED, INC.Inventors: David S. GARVEY, L. Gordon LETTS, H. Burt RENFROE, Sang William TAM
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Publication number: 20080255101Abstract: 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: ApplicationFiled: June 10, 2008Publication date: October 16, 2008Applicant: 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
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Patent number: 7432285Abstract: 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: GrantFiled: November 15, 2006Date of Patent: October 7, 2008Assignee: NitroMed, Inc.Inventors: Ramani R. Bandarage, Upul K. Bandarage, Xinqin Fang, David S. Garvey, L. Gordon Letts, Joseph D. Schroeder, Sang W. Tam