Abstract: The invention provides a compound of formula I: wherein R1-R6, X, Y, and B have any of the values described herein, as well as salts of such compounds, compositions comprising such compounds, and therapeutic methods that comprise the administration of such compounds. The compounds are inhibitors of MAO-B enzyme function and are useful for improving cognitive function and for treating psychiatric disorders in animals.
Type:
Grant
Filed:
December 22, 2010
Date of Patent:
March 19, 2013
Assignee:
Dart NeuroScience (Cayman) Ltd.
Inventors:
Xianbo Zhou, Roderick E. M. Scott, Rusiko Bourtchouladze, Alan P. Kaplan, Terence P. Keenan, Andrew McRiner
Abstract: The invention provides a novel chemical series of formula I, as well as methods of use thereof for binding to the benzodiazepine site of the GABAA receptor and modulating GABAA, and use of the compound of formula I for the treatment of GABAA receptor associated disorders. The general structure of formula I is shown below: The invention further provides a method of modulation of one or more GABAA subtypes in an animal comprising administering to the animal an effective amount of a compound of formula (I).
Abstract: Drug compositions comprising the compound HT-2157 and their therapeutic uses, including the treatment of CNS disorders and cognitive impairments and the modulation of cognitive function, are disclosed. More particularly, the present invention relates to enteric-coated formulations comprising HT-2157 that reduce the appearance of clinically relevant methemoglobinemia relative to administration of non-enteric-coated formulations comprising HT-2157.
Abstract: The invention provides a compound of formula I: wherein A1, A2, A3, R1, X, Y, and B have any of the values described herein, as well as salts of such compounds, compositions comprising such compounds, and therapeutic methods that comprise the administration of such compounds. The compounds are inhibitors of monoamine oxidase B (MAO-B) enzyme function and are useful for improving cognitive function and for treating psychiatric disorders in animals.
Type:
Application
Filed:
April 16, 2012
Publication date:
August 9, 2012
Applicant:
Dart Neuroscience (Cayman) Ltd.
Inventors:
Alan P. Kaplan, Terence P. Keenan, Andrew J. McRiner
Abstract: The invention provides a compound of formula I: wherein A1, A2, A3, R1, X, Y, and B have any of the values described herein, as well as salts of such compounds, compositions comprising such compounds, and therapeutic methods that comprise the administration of such compounds. The compounds are inhibitors of monoamine oxidase B (MAO-B) enzyme function and are useful for improving cognitive function and for treating psychiatric disorders in animals.
Type:
Grant
Filed:
August 26, 2008
Date of Patent:
July 17, 2012
Assignee:
Dart NeuroScience (Cayman) Ltd
Inventors:
Alan P. Kaplan, Terence P. Keenan, Andrew J. McRiner
Abstract: The present invention provides methods of improving cognitive and motor deficits associated with central nervous system (CNS) disorder or condition in an animal. The methods comprise a general administration of phosphodiesterase 4 inhibitors and optionally training the animal under conditions sufficient to produce an improvement in performance.
Type:
Grant
Filed:
May 18, 2007
Date of Patent:
April 10, 2012
Assignee:
Dart NeuroScience (Cayman) Ltd.
Inventors:
Thomas M. Hallam, Tim Tully, Rusiko Bourtchouladze