Patents by Inventor Zhiyong Luo
Zhiyong Luo 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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Publication number: 20110212882Abstract: The invention relates to methods of use of synthetic peptide amides that are ligands of the kappa opioid receptor in the treatment and prevention of kappa opioid receptor-associated diseases and conditions; and particularly to uses of these agonists in the prophylaxis, inhibition and treatment of pain, inflammation and pruritis associated with a variety of diseases, disorders and conditions. Inflammatory conditions preventable or treatable by the methods of the invention include diseases and conditions associated with elevated levels of a proinflammatory cytokines, such as TNF-?, IL-?, IL-6, MMP-1 and MMP-3.Type: ApplicationFiled: August 26, 2010Publication date: September 1, 2011Applicant: CARA THERAPEUTICS, INC.Inventors: Claudio D. Schteingart, Frédérique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Robert Zhiyong Luo
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Publication number: 20110190336Abstract: Compounds are provided having the general structure of formula I: In formula I, one member of the group (W, X, Y and Z) is a nitrogen atom and the remaining three members of the group are each independently a carbon atom covalently bonded to a radical, R4. The radicals, R1, R2, R3 and R4 are each defined herein, and n is an integer from 1 to 4. Also provided are stereoisomers, prodrugs, pharmaceutically acceptable salts, hydrates, salt hydrates, acid salt hydrates, and polymorphs of the compounds having the structure of formula I. The compounds bind the prostaglandin D2 receptor and are useful in the prophylaxis and treatment of prostaglandin D2-mediated diseases and conditions, including pain and inflammation, as well as asthma and allergic diseases and conditions.Type: ApplicationFiled: October 14, 2009Publication date: August 4, 2011Applicant: CARA THERAPEUTICS, INC.Inventors: Robert Zhiyong Luo, Mary-Margaret Zablocki
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Publication number: 20110144121Abstract: The present invention provides substituted pyrazolo-heterocycles having the general structure of formula I Also provided are pharmaceutically acceptable salts, acid salts, hydrates, solvates and stereoisomers of the compounds of formula I. The compounds are useful as modulators of cannabinoid receptors and for the prophylaxis and treatment of cannabinoid receptor-associated diseases and conditions, such as pain, inflammation and pruritis.Type: ApplicationFiled: June 16, 2010Publication date: June 16, 2011Applicant: CARA THERAPEUTICS, INC.Inventor: Robert Zhiyong Luo
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Publication number: 20110118186Abstract: The invention relates to synthetic peptide amides that are ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: wherein Xaa is a D-amino acid and G is selected from the following three groups: The compounds are useful in the prophylaxis and treatment of pain, pruritis and inflammation associated with a variety of diseases and conditions.Type: ApplicationFiled: May 5, 2010Publication date: May 19, 2011Applicant: CARA THERAPEUTICS, INC.Inventors: Claudio D. Schteingart, Frederique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Publication number: 20110034443Abstract: The present invention provides methods of prevention and treatment of cannabinoid receptor-associated diseases and conditions, wherein the method includes administering a substituted imidazoheterocyclic compounds having the structure of formula I or a pharmaceutically acceptable salt, acid salt, hydrate, solvate or stereoisomer of a compound having the structure of formula I. The cannabinoid receptor-associated diseases and conditions preventable or treatable by the methods of the present invention include pain, inflammation and pruritis.Type: ApplicationFiled: August 26, 2010Publication date: February 10, 2011Applicant: CARA THERAPEUTICS, INC.Inventors: R. Paul Beckett, Richard Foster, Christelle Henault, Janet L. Ralbovsky, Carla M. Gauss, Gary G. Gustafson, Robert Zhiyong Luo, Ann-Marie Campbell, Tatiana E. Shelekhin, Mary-Margaret E. Zablocki
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Patent number: 7842662Abstract: The invention relates to synthetic peptide amide ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: Pharmaceutical compositions containing these compounds are useful in the prophylaxis and treatment of pain and inflammation associated with a variety of diseases and conditions. Such treatable pain includes visceral pain, neuropathic pain and hyperalgesia. Inflammation associated with conditions such as IBD and IBS, ocular and otic inflammation, other disorders and conditions such as pruritis, edema, hyponatremia, hypokalemia, ileus, tussis and glaucoma are treatable or preventable with the pharmaceutical compositions of the invention.Type: GrantFiled: November 12, 2007Date of Patent: November 30, 2010Assignee: Cara Therapeutics, Inc.Inventors: Claudio D. Schteingart, Frédérique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Patent number: 7741350Abstract: The present invention provides substituted pyrazolo-heterocycles having the general structure of formula I Also provided are pharmaceutically acceptable salts, acid salts, hydrates, solvates and stereoisomers of the compounds of formula I. The compounds are useful as modulators of cannabinoid receptors and for the prophylaxis and treatment of cannabinoid receptor-associated diseases and conditions, such as pain, inflammation and pruritis.Type: GrantFiled: October 20, 2009Date of Patent: June 22, 2010Assignee: Cara Therapeutics, Inc.Inventor: Robert Zhiyong Luo
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Patent number: 7737154Abstract: CRF receptor antagonists are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm blooded animals, such as stroke. The CRF receptor antagonists of this invention have the following structure (I), including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, Y, Ar, and het are as defined herein. Compositions containing a CRF receptor antagonist in combination with a pharmaceutically acceptable carrier are also disclosed, as well as methods for use of the same.Type: GrantFiled: December 20, 2004Date of Patent: June 15, 2010Assignee: Smithkline Beecham (Cork) LimitedInventors: Zhiyong Luo, Deborah H Slee, John Williams
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Patent number: 7727963Abstract: The invention relates to synthetic tetrapeptide amide ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. An exemplary synthetic tetrapeptide amide of the invention is D-Phe-D-Phe-D-Leu-(?-Me) D-Lys-[4-Amidinohomopiperazine amide]: Pharmaceutical compositions containing these compounds are useful in the prophylaxis and treatment of pain and inflammation associated with a variety of diseases and conditions. Such treatable pain includes visceral pain, neuropathic pain and hyperalgesia. Inflammation associated with conditions such as IBD and IBS, ocular and otic inflammation, other disorders and conditions such as pruritis, edema, hyponatremia, hypokalemia, ileus, tussis and glaucoma are treatable or preventable with the pharmaceutical compositions of the invention.Type: GrantFiled: July 18, 2008Date of Patent: June 1, 2010Assignee: Cara Therapeutics, Inc.Inventors: Claudio D. Schteingart, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Zhiyong Luo
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Patent number: 7713937Abstract: The invention relates to synthetic peptide amides that are ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: wherein Xaa is a D-amino acid and G is selected from the following three groups: The compounds are useful in the prophylaxis and treatment of pain, pruritis and inflammation associated with a variety of diseases and conditions.Type: GrantFiled: May 12, 2008Date of Patent: May 11, 2010Assignee: Cara Therapeutics, Inc.Inventors: Claudio D. Schteingart, Frédérique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Patent number: 7700794Abstract: A method of increasing the fluorous nature of a compound includes the step of reacting the compound with at least one second compound having the formula: wherein Rf is a fluorous group, Rs is a spacer group, d is 1 or 0, m is 1, 2 or 3, Ra is an alkyl group and X is a suitable leaving group. A compound has the formula: wherein Rf is a fluorous group, n is an integer between 0 and 6, m is 1, 2 or 3, Ra is an alkyl group and X is a leaving group.Type: GrantFiled: November 29, 2004Date of Patent: April 20, 2010Assignee: University of Pittsburgh - of the Commonwealth System of Higher EducationInventors: Dennis P. Curran, Roger Read, Zhiyong Luo
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Publication number: 20100075910Abstract: The invention relates to synthetic peptide amides that are ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: wherein Xaa is a D-amino acid and G is selected from the following three groups: The compounds are useful in the prophylaxis and treatment of pain, pruritus and inflammation associated with a variety of diseases and conditions.Type: ApplicationFiled: June 8, 2009Publication date: March 25, 2010Applicant: CARA THERAPEUTICS, INC.Inventors: Claudio D. Schteingart, Frederique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Publication number: 20090264373Abstract: The invention relates to synthetic peptide amide ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: Pharmaceutical compositions containing these compounds are useful in the prophylaxis and treatment of pain and inflammation associated with a variety of diseases and conditions. Such treatable pain includes visceral pain, neuropathic pain and hyperalgesia. Inflammation associated with conditions such as IBD and IBS, ocular and otic inflammation, other disorders and conditions such as pruritis, edema, hyponatremia, hypokalemia, ileus, tussis and glaucoma are treatable or preventable with the pharmaceutical compositions of the invention.Type: ApplicationFiled: November 12, 2007Publication date: October 22, 2009Applicant: Cara Therapeutics, Inc.Inventors: Claudio D. Schteingart, Frederique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Patent number: 7576245Abstract: The present invention includes methods and compositions for increasing the fluorous nature of an organic compound by reacting it with at least one fluorous compound to produce a fluorous tagged organic compound. The increased fluorous nature of the fluorous tagged organic compound can then be utilized to separate the fluorous organic compound from untagged reagents, reactants, catalysts and/or products derived therefrom. The resultant fluorous tagged organic compound can be subjected to subsequent chemical transformations, wherein the fluorous nature of the tagged compound is utilized to increase the ease of separation of the fluorous tagged organic compound from untagged reagents, reactants, catalysts and/or products derived therefrom, after each chemical transformation.Type: GrantFiled: January 24, 2006Date of Patent: August 18, 2009Assignee: Fluorous Technologies IncorporatedInventors: Wei Zhang, Zhiyong Luo
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Publication number: 20090156508Abstract: The invention relates to synthetic peptide amides that are ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: wherein Xaa is a D-amino acid and G is selected from the following three groups: The compounds are useful in the prophylaxis and treatment of pain, pruritis and inflammation associated with a variety of diseases and conditions.Type: ApplicationFiled: May 12, 2008Publication date: June 18, 2009Applicant: CARA THERAPEUTICS, INC.Inventors: Claudio D. Schteingart, Frederique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Publication number: 20090149450Abstract: The present invention provides substituted imidazoheterocyclic compounds having the structure of formula I Also provided are pharmaceutically acceptable salts, acid salts, hydrates, solvates and stereoisomers of the compounds of formula I. The compounds are useful as modulators of cannabinoid receptors and for the prophylaxis and treatment of cannabinoid receptor-associated diseases and conditions, such as pain, inflammation and pruritis.Type: ApplicationFiled: December 18, 2008Publication date: June 11, 2009Applicant: CARA THERAPEUTICS, INC.Inventors: R. Paul Beckett, Richard Foster, Christelle Henault, Janet L. Ralbovsky, Carla M. Gauss, Gary R. Gustafson, Robert Zhiyong Luo, Ann-Marie Campbell, Tatiana E. Shelekhin, Mary-Margaret E. Zablocki
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Patent number: 7517874Abstract: The present invention provides substituted imidazoheterocyclic compounds having the structure of formula I Also provided are pharmaceutically acceptable salts, acid salts, hydrates, solvates and stereoisomers of the compounds of formula I. The compounds are useful as modulators of cannabinoid receptors and for the prophylaxis and treatment of cannabinoid receptor-associated diseases and conditions, such as pain, inflammation and pruritis.Type: GrantFiled: June 20, 2008Date of Patent: April 14, 2009Assignee: Cara Therapeutics, Inc.Inventors: R. Paul Beckett, Richard Foster, Christelle Henault, Janet L. Ralbovsky, Carla M. Gauss, Gary G. Gustafson, Zhiyong Luo, Ann-Marie Campbell, Tatiana E. Shelekhin
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Publication number: 20090075907Abstract: The invention relates to synthetic peptide amide ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P450 CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure of formula I: Pharmaceutical compositions containing these compounds are useful in the prophylaxis and treatment of pain and inflammation associated with a variety of diseases and conditions. Such treatable pain includes visceral pain, neuropathic pain and hyperalgesia. Inflammation associated with conditions such as IBD and IBS, ocular and otic inflammation, other disorders and conditions such as pruritis, edema, hyponatremia, hypokalemia, ileus, tussis and glaucoma are treatable or preventable with the pharmaceutical compositions of the invention.Type: ApplicationFiled: July 18, 2008Publication date: March 19, 2009Applicant: Cara Therapeutics, Inc.Inventors: Claudio D. Schteingart, Frederique Menzaghi, Guangcheng Jiang, Roberta Vezza Alexander, Javier Sueiras-Diaz, Robert H. Spencer, Derek T. Chalmers, Zhiyong Luo
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Publication number: 20080318935Abstract: The present invention provides substituted imidazoheterocyclic compounds having the structure of formula I Also provided are pharmaceutically acceptable salts, acid salts, hydrates, solvates and stereoisomers of the compounds of formula I. The compounds are useful as modulators of cannabinoid receptors and for the prophylaxis and treatment of cannabinoid receptor-associated diseases and conditions, such as pain, inflammation and pruritis.Type: ApplicationFiled: June 20, 2008Publication date: December 25, 2008Applicant: CARA THERAPEUTICS, INC.Inventors: R. Paul Beckett, Richard Foster, Christelle Henault, Janet L. Ralbovsky, Carla M. Gauss, Gary R. Gustafson, Zhiyong Luo, Ann-Marie Campbell, Tatiana E. Shelekhin
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Publication number: 20080194589Abstract: CRF receptor antagonists are disclosed which may have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in mammals. The CRF receptor antagonists of this invention have the following structure: (I); and pharmaceutically acceptable salts, esters, solvates, stereoisomers and prodrugs thereof, wherein R1, R2a, R2b, Y, Het, n, o, R6, Ar and R7 are as defined herein. Compositions containing a CRF receptor antagonist in combination with a pharmaceutically acceptable carrier are also disclosed, as well as methods for use of the same.Type: ApplicationFiled: October 19, 2005Publication date: August 14, 2008Applicant: NEUROCRINE BIOSCIENCES, INC.Inventors: Marion Lanier, Zhiyong Luo, Manisha Moorjani, John Edward Tellew, John P. Williams, Xiaohu Zhang