Patents by Inventor Laykea Tafesse

Laykea Tafesse 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).

  • Publication number: 20170183337
    Abstract: The disclosure relates to Compounds of Formula (I) and pharmaceutically acceptable derivatives thereof, where R1, R4, R8, R9, and m are as defined herein, compositions comprising an effective amount of a Compound of Formula (I) or a pharmaceutically acceptable derivative thereof, and methods for treating or preventing a condition such as pain, pain associated with osteoarthritis, osteoarthritis, UI, an ulcer, IBD, and IBS, comprising administering to an animal in need thereof an effective amount of a Compound of Formula (I) or a pharmaceutically acceptable derivative thereof.
    Type: Application
    Filed: March 10, 2017
    Publication date: June 29, 2017
    Inventors: Shigeru ANDO, Noriyuki KUROSE, Laykea TAFESSE
  • Patent number: 9656968
    Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: May 23, 2017
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangcho Yao, Mark Youngman, Minnie Park, Bin Shao
  • Patent number: 9656962
    Abstract: The application is directed to compounds of Formula (I) or (IA) and pharmaceutically acceptable salts and solvates thereof, wherein R1 R2, R3 and G are defined as set forth in the specification. The invention is also directed to use of compounds of Formula (I) or (IA), and the pharmaceutically acceptable salts and solvates thereof, to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates. Certain compounds of the present invention are especially useful for treating pain.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: May 23, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Jeffrey Lockman, Laykea Tafesse
  • Patent number: 9656959
    Abstract: The invention relates to substituted pyridine compounds of Formula I: (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R1a, R1b, R2a, R2b, R2c, A1, A2, and X are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula I to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: May 23, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Xiaoming Zhou
  • Patent number: 9637458
    Abstract: The present disclosure provides substituted pyrimidine carboxamides of Formula (I) and the pharmaceutically acceptable salts and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: May 2, 2017
    Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
  • Patent number: 9630959
    Abstract: The disclosure relates to Compounds of Formula (I) and pharmaceutically acceptable derivatives thereof, where R1, R4, R8, R9, and m are as defined herein, compositions comprising an effective amount of a Compound of Formula (I) or a pharmaceutically acceptable derivative thereof, and methods for treating or preventing a condition such as pain, pain associated with osteoarthritis, osteoarthritis, UI, an ulcer, IBD, and IBS, comprising administering to an animal in need thereof an effective amount of a Compound of Formula (I) or a pharmaceutically acceptable derivative thereof.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: April 25, 2017
    Assignees: Purdue Pharma L.P., Shionogi & Co., Ltd.
    Inventors: Shigeru Ando, Noriyuki Kurose, Laykea Tafesse
  • Publication number: 20170107220
    Abstract: The application is directed to compounds of Formula (I) and pharmaceutically acceptable salts and solvates thereof, wherein R1, R2, R3, R4, Y, and Z are defined as set forth in the specification. The invention is also directed to use of compounds of any one of Formulae I-VIII, and the pharmaceutically acceptable salts and solvates thereof, to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates. Certain compounds of the invention are especially useful for treating pain.
    Type: Application
    Filed: June 12, 2015
    Publication date: April 20, 2017
    Inventors: Jae Hyun Park, Laykea Tafesse
  • Publication number: 20170096421
    Abstract: The present disclosure provides substituted pyridyl-, pyrimidinyl-, pyrazinyl-, pyridazinyl-, and triazinyl-based carboxamides of Formula I-A: and the pharmaceutically acceptable salts and solvates thereof, wherein Z, HET, R10, and E are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula I-A to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.
    Type: Application
    Filed: October 7, 2016
    Publication date: April 6, 2017
    Inventors: JIANGCHAO YAO, LAYKEA TAFESSE
  • Patent number: 9611222
    Abstract: The invention relates to substituted pyridine compounds of Formula (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R1a, A1, A2, E, G, Z1, and Z2 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula I to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: April 4, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Bin Shao, Laykea Tafesse, Jiangchao Yao, Jianming Yu, Xiaoming Zhou
  • Patent number: 9598447
    Abstract: The disclosure relates to Phosphorus-Substituted Quinoxaline-Type Piperidine Compounds of Formula (I): and pharmaceutically acceptable derivatives thereof wherein the dashed line, A, B, Q, R1, R2, R3, R4, Y1, Z, and a are as defined herein, compositions comprising an effective amount of a Phosphorus-Substituted Quinoxaline-Type Piperidine Compound, and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Phosphorus-Substituted Quinoxaline-Type Piperidine Compound.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: March 21, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Dawit Tadesse, Laykea Tafesse, Xiaoming Zhou
  • Publication number: 20170073313
    Abstract: The invention provides compounds as represented by Formula I or I? and pharmaceutically acceptable salts, solvates, and diastereomers thereof: Wherein R1, R2, R2a, R3, and R4 are defined in the disclosure. The invention also provides compounds of Formulae II, III, and A-H, and pharmaceutically acceptable salts, solvates, and diastereomers thereof. In certain embodiments, Compounds of the Invention are useful for treating pain, constipation, and other conditions as delineated in the disclosure. Without wishing to be bound by any theory, it is believed that Compounds of the Invention are effective in treating conditions that are modulated by activity of opioid and/or ORL-1 receptors.
    Type: Application
    Filed: May 5, 2015
    Publication date: March 16, 2017
    Inventors: Laykea Tafesse, Jiangchao Yao, Jianming Yu, R. Richard Goehring
  • Publication number: 20170057942
    Abstract: The Invention provides compounds of Formula (I) and pharmaceutically acceptable salts, solvates, hydrates, N-oxides, or diastereomers thereof: wherein W1, W2, W3, J1, J2, A, R1, R2, R3, R4, R5, a, and b are defined as set forth in the specification. The Invention also provides uses of the compounds of any one of Formulae (I)-(VIII) and the pharmaceutically acceptable salts, solvates, hydrates, N-oxides, or diastereomers thereof. Compounds of the Invention are useful for treating a disorder responsive to blockade of one or more sodium channels. In certain embodiments, Compounds of the Invention are useful for treating pain.
    Type: Application
    Filed: February 12, 2015
    Publication date: March 2, 2017
    Inventors: Laykea Tafesse, Jae Hyun Park
  • Publication number: 20170037046
    Abstract: The application is directed to compounds of Formula (I) and pharmaceutically acceptable salts and solvates thereof, wherein R1-R9, Y, Z are defined as set forth in the specification. The invention is also directed to use of compounds of Formula (I) and the maceutically acceptable salts and solvates thereof to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates. Certain compounds of the present invention are especially useful for treating pain.
    Type: Application
    Filed: December 23, 2014
    Publication date: February 9, 2017
    Inventor: Laykea Tafesse
  • Publication number: 20160355499
    Abstract: The invention relates to compounds of formula IA and pharmaceutically acceptable derivatives thereof, compositions comprising an effective amount of a compound of formula IA or a pharmaceutically acceptable derivative thereof, and methods for treating or preventing a condition such as pain, UI, an ulcer, IBD and IBS, comprising administering to an animal in need thereof an effective amount of a compound of formula IA or a pharmaceutically acceptable derivative thereof.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 8, 2016
    Inventor: Laykea TAFESSE
  • Publication number: 20160340316
    Abstract: The application is directed to compounds of Formula (I) or (IA) and pharmaceutically acceptable salts and solvates thereof, wherein R1 R2, R3 and G are defined as set forth in the specification. The invention is also directed to use of compounds of Formula (I) or(IA), and the pharmaceutically acceptable salts and solvates thereof, to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates. Certain compounds of the present invention are especially useful for treating pain.
    Type: Application
    Filed: December 19, 2014
    Publication date: November 24, 2016
    Inventors: Jeffrey Lockman, Laykea Tafesse
  • Publication number: 20160333020
    Abstract: The application is directed to compounds of Formula I (I) and pharmaceutically acceptable salts and solvates thereof, wherein R1, R1a, R1b, X, Y, Z, G, Q, W1 and W2 are defined as set forth in the specification. The invention is also directed to use of the compounds of Formula I and the pharmaceutically acceptable salts and solvates thereof to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates. Certain compounds of the present invention are especially useful for treating pain.
    Type: Application
    Filed: December 17, 2014
    Publication date: November 17, 2016
    Inventors: Donald J. Kyle, Laykea Tafesse
  • Patent number: 9493449
    Abstract: The present disclosure provides substituted pyridyl-, pyrimidinyl-, pyrazinyl-, pyridazinyl-, and triazinyl-based carboxamides of Formula I-A: R10 Z-HET-E I-A and the pharmaceutically acceptable salts and solvates thereof, wherein Z, HET, R10 and E are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula I-A to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: November 15, 2016
    Assignee: Purdue Pharma L.P.
    Inventors: Jiangchao Yao, Laykea Tafesse
  • Publication number: 20160326111
    Abstract: The invention relates to aryl and heteroaryl substituted compounds of Formula (I), and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein G, R1, and Z1-Z5 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.
    Type: Application
    Filed: December 14, 2015
    Publication date: November 10, 2016
    Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
  • Publication number: 20160318872
    Abstract: The application is directed to compounds of Formula I or II: and pharmaceutically acceptable salts and solvates thereof, wherein R?, R?, R?? R1, R2, R3, R4, R4a, and R20 are defined as set forth in the specification. The invention is also directed to use of compounds of Formula I or II and the pharmaceutically acceptable salts and solvates thereof to treat disorders responsive to the modulation of one or more opioid receptors. Certain compounds of the invention are especially useful for treating pain.
    Type: Application
    Filed: October 10, 2014
    Publication date: November 3, 2016
    Inventors: Jeffrey Lockman, Laykea Tafesse, Jae Hyun Park, Mark A. Youngman
  • Patent number: 9434721
    Abstract: A compound of formula: wherein Ar1, A, R3, x, and m are as disclosed herein and Ar2 is a benzothiazolyl, benzooxazolyl, or benzoimidazolyl group or a pharmaceutically acceptable salt thereof (a “Benzoazolylpiperazine Compound”), compositions comprising a Benzoazolylpiperazine Compound, and methods for treating or preventing pain, UI, an ulcer, IBD, IBS, an addictive disorder, Parkinson's disease, parkinsonism, anxiety, epilepsy, stroke, a seizure, a pruritic condition, psychosis, a cognitive disorder, a memory deficit, restricted brain function, Huntington's chorea, amyotrophic lateral sclerosis, dementia, retinopathy, a muscle spasm, a migraine, vomiting, dyskinesia, or depression in an animal comprising administering to an animal in need thereof an effective amount of a Benzoazolylpiperazine Compound are disclosed.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 6, 2016
    Assignee: Purdue Pharma L.P.
    Inventors: Qun Sun, Laykea Tafesse, Sam Victory