Patents by Inventor Peter A. Virsik

Peter A. Virsik 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: 20240398797
    Abstract: Provided herein are the compound of formula I in combination with (a) abiraterone acetate plus prednisone or (b) apalutamide for use in methods of treating metastatic castration-resistant prostate cancer (mCRPC) in a male human. Also provided herein are the compound of formula I in combination with (a) abiraterone acetate plus prednisone or (b) apalutamide for use in methods of achieving a composite response rate in a male human.
    Type: Application
    Filed: September 1, 2022
    Publication date: December 5, 2024
    Inventors: Won KIM, Peter VIRSIK
  • Publication number: 20240358701
    Abstract: The present disclosure generally relates to pharmaceutical compositions and combinations comprising N-(4-((4-(2-(3-chloro-4-(2-chloroethoxy)-5-cyanophenyl)propan-2-yl)phenoxy) methyl)pyrimidin-2-yl)methanesulfonamide or a pharmaceutically acceptable salt, or solvate thereof, and a second therapeutically active agent, such as enzalutamide. In particular, the present disclosure relates to pharmaceutical compositions and combinations useful for treatment of various cancers, for example breast cancer and prostate cancer.
    Type: Application
    Filed: September 1, 2022
    Publication date: October 31, 2024
    Inventor: Peter VIRSIK
  • Patent number: 12109179
    Abstract: The present disclosure generally relates to pharmaceutical compositions and combinations comprising an androgen receptor N-terminal domain inhibitor or an inhibitor and a second therapeutically active agent, such as an CDK4/6 inhibitor, a Pin1 inhibitor (inhibitor of peptidyl-prolyl cis/trans isomerases), or an antiandrogen. In particular, the present disclosure relates to pharmaceutical compositions and combinations useful for treatment of various cancers, for example breast cancer and prostate cancer. Further, the present disclosure relates administering an androgen receptor N-terminal domain inhibitor in combination with radiation therapy for treatment of various cancers.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 8, 2024
    Assignees: ESSA PHARMA INC., THE UNIVERSITY OF BRITISH COLUMBIA, PROVINCIAL HEALTH SERVICES AUTHORITY
    Inventors: Peter Virsik, Han-Jie Zhou, Marianne Dorothy Sadar, Raymond John Andersen, Kunzhong Jian, Daniel Andrew Golec
  • Publication number: 20240261282
    Abstract: The present disclosure generally relates to pharmaceutical compositions and combinations comprising N-(4-((4-(2-(3-chloro-4-(2-chloroethoxy)-5-cyanophenyl)propan-2-yl)phenoxy)methyl)pyrimidin-2-yl)methanesulfonamide or a pharmaceutically acceptable salt, solvate, stereoisomer, or prodrug thereof, and a second therapeutically active agent, such as an antiandrogen. In particular, the present disclosure relates to pharmaceutical compositions and combinations useful for treatment of various cancers, for example breast cancer and prostate cancer.
    Type: Application
    Filed: March 5, 2024
    Publication date: August 8, 2024
    Inventors: Peter VIRSIK, Han-Jie ZHOU
  • Publication number: 20240240229
    Abstract: Methods of improving patient safety and reducing undesirable side effects for patients considering therapeutic treatment using monomethyl fumarate and prodrugs of monomethyl fumarate are disclosed. In particular, a method of treating a disease in a patient in need of such treatment is provided. The method comprises testing the patient for a propensity for a deficiency in tissue glutathione S-transferase theta 1 enzyme (GSTT1) levels. Thereafter, a therapeutically effective amount of a compound selected from monomethyl fumarate (MMF), a prodrug of monomethyl fumarate, and combinations thereof is administered to the patient. During the treatment of the disease, blood lymphocyte concentration is periodically tested in the patient at a predetermined time interval length that is based on the enzyme level propensity testing result.
    Type: Application
    Filed: January 23, 2024
    Publication date: July 18, 2024
    Inventor: Peter A. VIRSIK
  • Publication number: 20240207264
    Abstract: The present disclosure generally relates to pharmaceutical compositions comprising N-(4-((4-(2-(3-chloro-4-(2-chloroethoxy)-5-cyanophenyl) propan-2-yl)phenoxy)methyl)pyrimidin-2-yl)methanesulfonamideN-(4-((4-(2-(3-chloro-4-(2-chloroethoxy)-5-cyanophenyl) propan-2-yl)phenoxy)methyl)pyrimidin-2-yl)methanesulfonamide or a pharmaceutically acceptable salt, solvate, stereoisomer, or prodrug thereof. In particular, the present disclosure relates to solid dispersion pharmaceutical compositions useful for treatment of various cancers, for example breast cancer and prostate cancer.
    Type: Application
    Filed: April 15, 2022
    Publication date: June 27, 2024
    Inventors: Han-Jie ZHOU, Peter VIRSIK
  • Publication number: 20240197661
    Abstract: Methods of treating psoriasis with sustained release compression coated tablet dosage forms comprising certain MHF prodrugs are provided.
    Type: Application
    Filed: October 24, 2023
    Publication date: June 20, 2024
    Inventors: Peter A. VIRSIK, Sami KARABORNI, Laura Elizabeth BAUER, Chen MAO, Ching Wah CHONG
  • Publication number: 20240051926
    Abstract: The present invention relates to a crystalline form of Compound I, a salt, a solvate, or a solvate salt thereof or an amorphous form of Compound I, a salt, a solvate, or a solvate salt thereof. The present invention also provides compositions comprising the crystalline form and/or the amorphous form, therapeutic uses of the crystalline forms and/or the amorphous forms, and the compositions thereof.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 15, 2024
    Inventors: Han-Jie ZHOU, Peter Virsik
  • Publication number: 20240024249
    Abstract: Oral dosage forms and granulations with a high loading of a methyl hydrogen fumarate prodrug are disclosed.
    Type: Application
    Filed: June 13, 2023
    Publication date: January 25, 2024
    Inventors: Sarina Grace Harris MA, Laura Elizabeth BAUER, Sami KARABORNI, David J. WUSTROW, Peter A. VIRSIK
  • Publication number: 20230373934
    Abstract: The present invention relates to compounds of formula (ABC), (BC), (A), (B), (B-I), (C), (C-I), (D), (D-I), (E), (E-I), (F), (G), (H), (J), or (K), or any subgenera thereof, or a pharmaceutically acceptable salt, tautomer or stereoisomer. The compounds of the present disclosure are useful in modulating androgen receptor activity and for treating cancer, including prostate cancer.
    Type: Application
    Filed: April 24, 2023
    Publication date: November 23, 2023
    Inventors: Han-Jie ZHOU, Peter VIRSIK, Berenger BIANNIC
  • Patent number: 11814357
    Abstract: The present invention relates to a crystalline form of Compound I, a salt, a solvate, or a solvate salt thereof or an amorphous form of Compound I, a salt, a solvate, or a solvate salt thereof. The present invention also provides compositions comprising the crystalline form and/or the amorphous form, therapeutic uses of the crystalline forms and/or the amorphous forms, and the compositions thereof.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: November 14, 2023
    Assignee: ESSA Pharma Inc.
    Inventors: Han-Jie Zhou, Peter Virsik
  • Publication number: 20230104598
    Abstract: The present invention relates to a crystalline form of Compound I, a salt, a solvate, or a solvate salt thereof or an amorphous form of Compound I, a salt, a solvate, or a solvate salt thereof. The present invention also provides compositions comprising the crystalline form and/or the amorphous form, therapeutic uses of the crystalline forms and/or the amorphous forms, and the compositions thereof.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 6, 2023
    Inventors: Han-Jie ZHOU, Peter VIRSIK
  • Patent number: 11518747
    Abstract: The present invention relates to a crystalline form of Compound I, a salt, a solvate, or a solvate salt thereof or an amorphous form of Compound I, a salt, a solvate, or a solvate salt thereof. The present invention also provides compositions comprising the crystalline form and/or the amorphous form, therapeutic uses of the crystalline forms and/or the amorphous forms, and the compositions thereof.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: December 6, 2022
    Assignee: ESSA Pharma, Inc.
    Inventors: Han-Jie Zhou, Peter Virsik
  • Publication number: 20220380378
    Abstract: The present invention relates to compounds of formula (A), (A-I), (A-II), (A-III), (B), (B-I), (C), (D), (E), (E-I), (F), (G), (H), (J), and (K), or any subgenera thereof, or a pharmaceutically acceptable salt, tautomer or stereoisomer. The compounds of the present disclosure are useful in modulating androgen receptor activity and for treating cancer, including prostate cancer.
    Type: Application
    Filed: April 22, 2022
    Publication date: December 1, 2022
    Inventors: Han-Jie ZHOU, Peter Virsik, Berenger Biannic
  • Publication number: 20220380325
    Abstract: The present invention relates to compounds of formula (I)-(VI) and/or (A)-(H-I), or any subgenera thereof, or a pharmaceutically acceptable salt, tautomer or stereoisomer. The compounds of the present disclosure are useful in modulating androgen receptor activity and for treating cancer including prostate cancer.
    Type: Application
    Filed: June 30, 2021
    Publication date: December 1, 2022
    Inventors: Han-Jie Zhou, Peter Virsik, Raymond John Andersen, Marianne Dorothy Sadar
  • Patent number: 11485713
    Abstract: Compounds having a structure of formula (I), (I-A), (Ia)-(Ie), (A)-(E), and (II) or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof are provided. Uses of such compounds for modulating androgen receptor activity, imaging diagnostics in cancer and therapeutics, and methods for treatment of disorders including prostate cancer are also provided.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: November 1, 2022
    Assignees: ESSA Pharma, Inc., The University of British Columbia, Provincial Health Services Authority
    Inventors: Han-Jie Zhou, Peter Virsik, Raymond John Andersen, Marianne Dorothy Sadar, Kunzhong Jian, Daniel Andrew Golec
  • Publication number: 20220259158
    Abstract: The present invention relates to a crystalline form of Compound I, a salt, a solvate, or a solvate salt thereof or an amorphous form of Compound I, a salt, a solvate, or a solvate salt thereof. The present invention also provides compositions comprising the crystalline form and/or the amorphous form, therapeutic uses of the crystalline forms and/or the amorphous forms, and the compositions thereof.
    Type: Application
    Filed: April 28, 2022
    Publication date: August 18, 2022
    Inventors: Han-Jie Zhou, Peter Virsik
  • Publication number: 20220218632
    Abstract: The present disclosure generally relates to pharmaceutical compositions and combinations comprising an androgen receptor N-terminal domain inhibitor or an inhibitor and a second therapeutically active agent, such as an CDK4/6 inhibitor, a Pin1 inhibitor (inhibitor of peptidyl-prolyl cis/trans isomerases), or an antiandrogen. In particular, the present disclosure relates to pharmaceutical compositions and combinations useful for treatment of various cancers, for example breast cancer and prostate cancer. Further, the present disclosure relates administering an androgen receptor N-terminal domain inhibitor in combination with radiation therapy for treatment of various cancers.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 14, 2022
    Inventors: Peter Virsik, Han-Jie Zhou, Marianne Dorothy Sadar, Raymond John Andersen, Kunzhong Jain, Daniel Andrew Golec
  • Publication number: 20220202780
    Abstract: The present disclosure generally relates to pharmaceutical compositions and combinations comprising an androgen receptor modulator or an inhibitor and a second therapeutically active agent, such as an antiandrogen. In particular, the present disclosure relates to pharmaceutical compositions and combinations useful for treatment of various cancers, for example breast cancer and prostate cancer.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 30, 2022
    Inventors: Peter Virsik, Han-Jie Zhou, Ronan Le Moigne
  • Patent number: 11358938
    Abstract: The present invention relates to a crystalline form of Compound I, a salt, a solvate, or a solvate salt thereof or an amorphous form of Compound I, a salt, a solvate, or a solvate salt thereof. The present invention also provides compositions comprising the crystalline form and/or the amorphous form, therapeutic uses of the crystalline forms and/or the amorphous forms, and the compositions thereof.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: June 14, 2022
    Assignee: ESSA Pharma, Inc.
    Inventors: Han-Jie Zhou, Peter Virsik