Patents by Inventor Todd Ewing

Todd Ewing 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: 9938273
    Abstract: Disclosed are compounds of Formula I: or a pharmaceutically acceptable salt, a solvate, a tautomer, an isomer or a deuterated analog thereof, wherein Z2, Z3, and Z5 are as described herein, compositions thereof, and uses thereof.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: April 10, 2018
    Assignee: Plexxikon Inc.
    Inventors: Guoxian Wu, Jeffrey Wu, Katrina Chan, Ken Dong, Todd Ewing, Prabha N. Ibrahim, Jack Lin, Wayne Spevak, Ying Zhang
  • Publication number: 20170349572
    Abstract: Compounds active on c-kit protein kinases or mutant c-kit protein kinases having any mutations are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of the c-kit protein kinases and/or mutant c-kit protein kinases.
    Type: Application
    Filed: June 12, 2017
    Publication date: December 7, 2017
    Inventors: Guoxian Wu, Katrina Chan, Todd Ewing, Prabha N. Ibrahim, Jack Lin, Marika Nespi, Wayne Spevak, Ying Zhang
  • Patent number: 9814714
    Abstract: The present disclosure provides methods of treating a subject suffering from or at risk of a BRAF V600 mutation or BRAF fusion mutation related disease or condition, without activating the MAPK pathway or inducing expression of MAPK pathway genes in cells harboring wild-type BRAF.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: November 14, 2017
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang, Gideon Bollag
  • Publication number: 20170320888
    Abstract: GnRH receptor antagonists are disclosed which have utility in the treatment of a variety of sex-hormone related conditions in both men and women. The compounds of this invention have the structure: wherein R1a, R1b, R1c, R1d, R2, R2a, and A are as defined herein, including stereoisomers, esters, solvates and pharmaceutically acceptable salts thereof. Also disclosed are compositions containing a compound of this invention in combination with a pharmaceutically acceptable carrier, as well as methods relating to the use thereof for antagonizing gonadotropin-releasing hormone in a subject in need thereof.
    Type: Application
    Filed: February 28, 2017
    Publication date: November 9, 2017
    Inventors: Graham Beaton, Mi Chen, Timothy Richard Coon, Todd Ewing, Wanlong Jiang, Willy Moree, Martin Rowbottom, Warren Wade, Liren Zhao, Richard Lowe, Nicole Smith, Neil Ashweek, Yun-Fei Zhu
  • Publication number: 20170283423
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described, wherein the compounds have formula Ia: In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on one or more of Fms, Kit, Flt3, TrkA, TrkB and TrkC kinase protein.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 5, 2017
    Applicant: Plexxikon Inc.
    Inventors: Jiazhong Zhang, Prabha N. Ibrahim, Wayne Spevak, Jianming Tsai, Todd Ewing, Ying Zhang, Chao Zhang
  • Patent number: 9682981
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described, wherein the compounds have formula Ia: In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on one or more of Fms, Kit, Flt3, TrkA, TrkB and TrkC kinase protein.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: June 20, 2017
    Assignee: Plexxikon Inc.
    Inventors: Jiazhong Zhang, Prabha N. Ibrahim, Wayne Spevak, Jianming Tsai, Todd Ewing, Ying Zhang, Chao Zhang
  • Patent number: 9676748
    Abstract: Compounds active on c-kit protein kinases or mutant c-kit protein kinases having any mutations are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of the c-kit protein kinases and/or mutant c-kit protein kinases.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: June 13, 2017
    Assignee: Plexxikon Inc.
    Inventors: Guoxian Wu, Katrina Chan, Todd Ewing, Prabha N. Ibrahim, Jack Lin, Marika Nespi, Wayne Spevak, Ying Zhang
  • Publication number: 20170157120
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Application
    Filed: February 17, 2017
    Publication date: June 8, 2017
    Applicant: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Publication number: 20170158690
    Abstract: Disclosed are compounds of Formula I: or a pharmaceutically acceptable salt, a solvate, a tautomer, an isomer or a deuterated analog thereof, wherein Z2, Z3, and Z5 are as described herein, compositions thereof, and uses thereof.
    Type: Application
    Filed: December 6, 2016
    Publication date: June 8, 2017
    Inventors: Guoxian Wu, Jeffrey Wu, Katrina Chan, Ken Dong, Todd Ewing, Prabha N. Ibrahim, Jack Lin, Wayne Spevak, Ying Zhang
  • Patent number: 9624213
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: April 18, 2017
    Assignee: Plexxikon Inc.
    Inventors: Prabha Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Publication number: 20160339025
    Abstract: The present disclosure provides methods of treating a subject suffering from or at risk of a BRAF V600 mutation or BRAF fusion mutation related disease or condition, without activating the MAPK pathway or inducing expression of MAPK pathway genes in cells harboring wild-type BRAF.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang, Gideon Bollag
  • Patent number: 9440969
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on each of B-Raf, B-Raf V600E and c-Raf-1 protein kinase. In certain aspects and embodiments, the described compounds are active in inhibiting proliferation of a Ras mutant cell line.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: September 13, 2016
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Guoxian Wu, Jack Lin, Wayne Spevak, Hanna Cho, Todd Ewing, Chao Zhang
  • Patent number: 9422310
    Abstract: GnRH receptor antagonists are disclosed which have utility in the treatment of a variety of sex-hormone related conditions in both men and women. The compounds of this invention have the structure: wherein R1a, R1b, R1c, R1d, R2, R2a, and A are as defined herein, including stereoisomers, esters, solvates and pharmaceutically acceptable salts thereof. Also disclosed are compositions containing a compound of this invention in combination with a pharmaceutically acceptable carrier, as well as methods relating to the use thereof for antagonizing gonadotropin-releasing hormone in a subject in need thereof.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: August 23, 2016
    Assignee: Neurocrine Biosciences, Inc.
    Inventors: Graham Beaton, Mi Chen, Timothy Richard Coon, Todd Ewing, Wanlong Jiang, Willy Moree, Martin Rowbottom, Warren Wade, Liren Zhao, Richard Lowe, Nicole Smith, Neil Ashweek, Yun-Fei Zhu
  • Publication number: 20150183793
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on one or more of Fms, Kit, Flt3, TrkA, TrkB and TrkC kinase protein.
    Type: Application
    Filed: December 1, 2014
    Publication date: July 2, 2015
    Inventors: Jiazhong ZHANG, Prabha N. IBRAHIM, Wayne SPEVAK, Jianming TSAI, Todd EWING, Ying ZHANG, Chao ZHANG
  • Publication number: 20150183800
    Abstract: GnRH receptor antagonists are disclosed which have utility in the treatment of a variety of sex-hormone related conditions in both men and women. The compounds of this invention have the structure: wherein R1a, R1b, R1c, R1d, R2, R2a, and A are as defined herein, including stereoisomers, esters, solvates and pharmaceutically acceptable salts thereof. Also disclosed are compositions containing a compound of this invention in combination with a pharmaceutically acceptable carrier, as well as methods relating to the use thereof for antagonizing gonadotropin-releasing hormone in a subject in need thereof.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 2, 2015
    Inventors: Graham Beaton, Mi Chen, Timothy Richard Coon, Todd Ewing, Wanlong Jiang, Willy Moree, Martin Rowbottom, Warren Wade, Liren Zhao, Richard Lowe, Nicole Smith, Neil Ashweek, Yun-Fei Zhu
  • Publication number: 20150080372
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on each of B-Raf, B-Raf V600E and c-Raf-1 protein kinase. In certain aspects and embodiments, the described compounds are active in inhibiting proliferation of a Ras mutant cell line.
    Type: Application
    Filed: October 14, 2014
    Publication date: March 19, 2015
    Inventors: Prabha N. Ibrahim, Guoxian Wu, Jack Lin, Wayne Spevak, Hanna Cho, Todd Ewing, Chao Zhang
  • Patent number: 8952161
    Abstract: GnRH receptor antagonists are disclosed which have utility in the treatment of a variety of sex-hormone related conditions in both men and women. The compounds of this invention have the structure: wherein R1a, R1b, R1c, R1d, R2, R2a, and A are as defined herein, including stereoisomers, esters, solvates and pharmaceutically acceptable salts thereof. Also disclosed are compositions containing a compound of this invention in combination with a pharmaceutically acceptable carrier, as well as methods relating to the use thereof for antagonizing gonadotropin-releasing hormone in a subject in need thereof.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: February 10, 2015
    Assignee: Neurocrine Biosciences, Inc.
    Inventors: Graham Beaton, Mi Chen, Timothy Richard Coon, Todd Ewing, Wanlong Jiang, Willy Moree, Martin Rowbottom, Warren Wade, Liren Zhao, Richard Lowe, Nicole Smith, Neil Ashweek, Yun-Fei Zhu
  • Patent number: 8901118
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described, wherein the compounds have formula I: In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on one or more of Fms, Kit, Flt3, TrkA, TrkB and TrkC kinase protein.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: December 2, 2014
    Assignee: Plexxikon Inc.
    Inventors: Jiazhong Zhang, Prabha N. Ibrahim, Wayne Spevak, Jianming Tsai, Todd Ewing, Ying Zhang, Chao Zhang
  • Publication number: 20140213554
    Abstract: Compounds active on c-kit protein kinases or mutant c-kit protein kinases having any mutations are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of the c-kit protein kinases and/or mutant c-kit protein kinases.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 31, 2014
    Inventors: Guoxian Wu, Katrina Chan, Todd Ewing, Prabha N. Ibrahim, Jack Lin, Marika Nespi, Wayne Spevak, Ying Zhang
  • Publication number: 20140128390
    Abstract: Compounds active on c-kit protein kinases or mutant c-kit protein kinases having any mutations are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of the c-kit protein kinases and mutant c-kit protein kinases.
    Type: Application
    Filed: September 5, 2013
    Publication date: May 8, 2014
    Inventors: JACK LIN, JOHN BUELL, KATRINA CHAN, TODD EWING, PRABHA IBRAHIM, MARIKA NESPI, PHUONGLY PHAM, SONGYUAN SHI, WAYNE SPEVAK, GUOXIAN WU, JIAZHONG ZHANG, YING ZHANG