Patents by Inventor Richard Chesworth

Richard Chesworth 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).

  • PRMT1 inhibitors and uses thereof
    Patent number: 10227307
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds described herein are useful for inhibiting PRMT1 activity. Methods of using the compounds for treating PRMT1-mediated disorders are also described.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: March 12, 2019
    Assignee: Epizyme, Inc.
    Inventors: Kevin Wayne Kuntz, Lorna Helen Mitchell, Gideon Shapiro, Richard Chesworth, Paula Ann Boriack-Sjodin
  • PRMT1 Inhibitors and Uses Thereof
    Publication number: 20190022064
    Abstract: Described herein are compounds of Formula (I-a) and (I-b), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds of the present invention are useful for inhibiting PRMT1 activity. Methods of using the compounds for treating PRMT1-mediated disorders are also described.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 24, 2019
    Inventors: Lorna Helen Mitchell, Gideon Shapiro, Richard Chesworth, Paula Ann Boriack-Sjodin, Oscar Miguel Moradei, Kevin Wayne Kuntz
  • Isoxazole carboxamides as irreversible SMYD inhibitors
    Patent number: 10179773
    Abstract: The present disclosure provides substituted isoxazole carboxamides having Formula (I), and the pharmaceutically acceptable salts and solvates thereof, wherein R1, R2a, R2b, R3a, R3b, X, n, and m 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 SMYD proteins such as SMYD3 or SMYD2. Compounds of the present disclosure are especially useful for treating cancer.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: January 15, 2019
    Assignee: EPIZYME, INC.
    Inventors: Richard Chesworth, Megan Alene Cloonan Foley, Kevin Wayne Kuntz, Lorna Helen Mitchell, Jennifer C. Petter, Carl Eric Schwartz
  • Aryl- or heteroaryl-substituted benzene compounds
    Patent number: 10155002
    Abstract: The present invention relates to aryl- or heteroaryl-substituted benzene compounds. The present invention also relates to pharmaceutical compositions containing these compounds and methods of treating cancer by administering these compounds and pharmaceutical compositions to subjects in need thereof. The present invention also relates to the use of such compounds for research or other non-therapeutic purposes.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: December 18, 2018
    Assignee: Epizyme, Inc.
    Inventors: Kevin Wayne Kuntz, Richard Chesworth, Kenneth William Duncan, Heike Keilhack, Natalie Warholic, Christine Klaus, Sarah Kathleen Knutson, Timothy James Nelson Wigle, Masashi Seki, Syuji Shirotori, Satoshi Kawano
  • PRMT5 inhibitors and uses thereof
    Patent number: 10150758
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds of the present invention are useful for inhibiting PRMT5 activity. Methods of using the compounds for treating PRMT5-mediated disorders are also described.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: December 11, 2018
    Assignee: Epizyme, Inc.
    Inventors: Kenneth W. Duncan, Richard Chesworth, Michael John Munchhof
  • ARYL-OR HETEROARYL-SUBSTITUTED BENZENE COMPOUNDS
    Publication number: 20180318309
    Abstract: The present invention relates to aryl- or heteroaryl-substituted benzene compounds. The present invention also relates to pharmaceutical compositions containing these compounds and methods of treating cancer by administering these compounds and pharmaceutical compositions to subjects in need thereof. The present invention also relates to the use of such compounds for research or other non-therapeutic purposes.
    Type: Application
    Filed: November 17, 2017
    Publication date: November 8, 2018
    Inventors: Kevin W. KUNTZ, Richard CHESWORTH, Kenneth W. DUNCAN, Heike KEILHACK, Natalie WARHOLIC, Christine KLAUS, Sarah K. KNUTSON, Timothy J.N. WIGLE, Masashi SEKI, Syuji SHIROTORI, Satoshi KAWANO
  • PRMT5 inhibitors and uses thereof
    Patent number: 10118918
    Abstract: Described herein are compounds of formula (A), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds of the present invention are useful for inhibiting PRMT5 activity. Methods of using the compounds for treating PRMT5-mediated disorders are also described.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 6, 2018
    Assignee: Epizyme, Inc.
    Inventors: Kenneth W. Duncan, Richard Chesworth, Paula Ann Boriack-Sjodin, Michael John Munchhof
  • CARM1 inhibitors and uses thereof
    Patent number: 10118931
    Abstract: Provided herein are compounds of Formula (I): and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, wherein X, R1, R1a, R2a, R2b, R2c, R2d, are as defined herein, and Ring HET is a 6-membered monocyclic heteroaryl ring system of Formula: wherein L2, R13, G8, G10, G11, and G12 are as defined herein. Compounds of the present invention are useful for inhibiting CARM1 activity. Methods of using the compounds for treating CARM1-mediated disorders are also described.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 6, 2018
    Assignee: Epizyme, Inc.
    Inventors: Richard Chesworth, Oscar Miguel Moradei, Gideon Shapiro, Lei Jin, Robert E. Babine
  • Inhibitors of protein methyltransferase DOT1L and methods of use thereof
    Patent number: 10112968
    Abstract: The present invention relates to DOT1L inhibitors and methods of identifying, designing, or optimizing them. The present invention also relates to crystals of DOT1L-inhibitor complexes, the crystal structures thereof, and the use of the crystal structures. Also disclosed are pharmaceutical compositions containing these DOT1L inhibitors and methods of treating disorders in which DOT1-mediated protein methylation plays a part, such as cancer and neurological disorders, by administering these compounds and pharmaceutical compositions to subjects in need thereof.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 30, 2018
    Assignee: Epizyme, Inc.
    Inventors: Edward J. Olhava, Richard Chesworth, Roy M. Pollock, Lei Jin
  • PRMT5 INHIBITORS AND USES THEREOF
    Publication number: 20180303822
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds of the present invention are useful for inhibiting PRMT5 activity. Methods of using the compounds for treating PRMT5-mediated disorders are also described.
    Type: Application
    Filed: December 15, 2017
    Publication date: October 25, 2018
    Inventors: Kenneth W. Duncan, Richard Chesworth, Paula Ann Boriack-Sjodin, Michael John Munchhof, Lei Jin
  • PRMT5 INHIBITORS AND USES THEREOF
    Publication number: 20180298010
    Abstract: Described herein are compounds of Formula (A), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds of the present invention are useful for inhibiting PRMT5 activity. Methods of using the compounds for treating PRMT5-mediated disorders are also described.
    Type: Application
    Filed: January 9, 2018
    Publication date: October 18, 2018
    Inventors: Kenneth W. Duncan, Richard Chesworth, Michael John Munchhof, Lei Jin
  • ARGININE METHYLTRANSFERASE INHIBITORS AND USES THEREOF
    Publication number: 20180290982
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds of the present invention are useful for inhibiting arginine methyltransferase activity. Methods of using the compounds for treating arginine methyltransferase-mediated disorders are also described.
    Type: Application
    Filed: March 22, 2018
    Publication date: October 11, 2018
    Inventors: Richard Chesworth, Lorna Helen Mitchell, Gideon Shapiro, Kevin Wayne Kuntz
  • ARGININE METHYLTRANSFERASE INHIBITORS AND USES THEREOF
    Publication number: 20180289671
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds described herein are useful for inhibiting arginine methyltransferase activity. Methods of using the compounds for treating arginine methyltransferase-mediated disorders are also described.
    Type: Application
    Filed: January 26, 2018
    Publication date: October 11, 2018
    Inventors: Richard Chesworth, Lorna Helen Mitchell, Gideon Shapiro
  • CARM1 INHIBITORS AND USES THEREOF
    Publication number: 20180282343
    Abstract: Provided herein are compounds of Formula (I): and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof; wherein X, R1, R1a, R2a, R2b, R2c, R2d, are as defined herein, and Ring HET is a 6-membered monocyclic heteroaryl ring system of Formula: wherein L2, R13, G8, G10, G11, and G12 are as defined herein. Compounds of the present invention are useful for inhibiting CARM1 activity. Methods of using the compounds for treating CARM1-mediated disorders are also described.
    Type: Application
    Filed: December 8, 2017
    Publication date: October 4, 2018
    Inventors: Richard Chesworth, Oscar Miguel Moradei, Gideon Shapiro, Lei Jin, Robert E. Babine
  • SUBSTITUTED PURINE AND 7-DEAZAPURINE COMPOUNDS
    Publication number: 20180280422
    Abstract: The present invention relates to substituted purine and 7-deazapurine compounds. The present invention also relates to pharmaceutical compositions containing these compounds and methods of treating disorders in which DOT1-mediated protein methylation plays a part, such as cancer and neurological disorders, by administering these compounds and pharmaceutical compositions to subjects in need thereof.
    Type: Application
    Filed: November 3, 2017
    Publication date: October 4, 2018
    Inventors: Edward J. OLHAVA, Richard CHESWORTH, Kevin Wayne KUNTZ, Victoria M. RICHON, Roy M. POLLOCK, Scott R. DAIGLE
  • Treatment of Cognitive Disorders with (R)-7-Chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-Carboxamide and Pharmaceutically Acceptable Salts Thereof
    Publication number: 20180271844
    Abstract: (R)-7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide has been found to have procognitive effects in humans at unexpectedly low doses. Thus, (R)-7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide and pharmaceutically acceptable salts thereof can be used at unexpectedly low doses to improve cognition.
    Type: Application
    Filed: October 27, 2017
    Publication date: September 27, 2018
    Inventors: Richard Chesworth, Gerhard Koenig, Gideon Shapiro
  • Arginine methyltransferase inhibitors and uses thereof
    Patent number: 10081603
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds described herein are useful for inhibiting arginine methyltransferase activity. Methods of using the compounds for treating arginine methyltransferase-mediated disorders are also described.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: September 25, 2018
    Assignee: Epizyme Inc.
    Inventors: Richard Chesworth, Lorna Helen Mitchell, Gideon Shapiro, Kerren Kalai Swinger
  • PRMT1 INHIBITORS AND USES THEREOF
    Publication number: 20180265478
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds described herein are useful for inhibiting PRMT1 activity. Methods of using the compounds for treating PRMT1-mediated disorders are also described.
    Type: Application
    Filed: December 21, 2017
    Publication date: September 20, 2018
    Inventors: Kevin Wayne Kuntz, Lorna Helen Mitchell, Gideon Shapiro, Richard Chesworth, Paula Ann Boriack-Sjodin
  • PYRAZOLE DERIVATIVES AS ARGININE METHYLTRANSFERASE INHIBITORS AND USES THEREOF
    Publication number: 20180237397
    Abstract: Described herein are compounds of Formula (I), pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof. Compounds described herein are useful for inhibiting arginine methyltransferase activity. Methods of using the compounds for treating arginine methyltransferase-mediated disorders are also described. Formula (I).
    Type: Application
    Filed: August 15, 2017
    Publication date: August 23, 2018
    Inventors: Richard Chesworth, Lorna Helen Mitchell, Gideon Shapiro, Paula Ann Boriack-Sjodin, Oscar Miguel Moradei, Lei Jin, Kenneth W. Duncan
  • Isoxazole Carboxamides as Irreversible SMYD Inhibitors
    Publication number: 20180230110
    Abstract: The present disclosure provides substituted isoxazole carboxamides having Formula (I), and the pharmaceutically acceptable salts and solvates thereof, wherein R1, R2a, R2b, R3a, R3b, X, n, and m 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 SMYD proteins such as SMYD3 or SMYD2. Compounds of the present disclosure are especially useful for treating cancer.
    Type: Application
    Filed: September 9, 2015
    Publication date: August 16, 2018
    Applicant: EPIZYME, INC.
    Inventors: Richard CHESWORTH, Megan Alene Cloonan FOLEY, Kevin Wayne KUNTZ, Lorna Helen MITCHELL, Russell C. PETTER, Carl Eric SCHWARTZ