Patents Assigned to IMPACT Therapeutics, Inc.
  • Patent number: 11358955
    Abstract: Disclosed are 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones represented by the Formula (I): wherein Ar, R1-R6 are defined herein. Compounds having Formula (I) are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: June 14, 2022
    Assignee: IMPACT THERAPEUTICS, INC.
    Inventors: Sui Xiong Cai, Ye Edward Tian, Haijun Dong, Qingbing Xu, Lizhen Wu, Lijun Liu, Yangzhen Jiang, Qingli Bao, Guoxiang Wang, Feng Yin, Chengyun Gu, Xiuhua Hu, Xiaozhu Wang, Sishun Kang, Shengzhi Chen
  • Patent number: 11179392
    Abstract: The present invention provides a solid pharmaceutical formulation of PARP inhibitors and its use thereof, and more specifically a solid dispersion powder including 5-fluoro-1-(4-fluoro-3-(4-(pyrimidin-2-yl)piperazine-1-carbonyl)benzyl)quinazoline-2,4(1H,3H)-dione and polymers, wherein the content of polymers is from about 50 wt % to about 80 wt %, and wherein less than 10 wt % of 5-fluoro-1-(4-fluoro-3-(4-(pyrimidin-2-yl)piperazine-1-carbonyl)benzyl)quinazoline-2,4(1H,3H)-dione is in crystalline form. The present invention also provides a method for preparing the solid dispersion powder, a pharmaceutical composition including the solid dispersion powder and the use of the pharmaceutical composition for treating diseases caused by PARP activity abnormalities.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: November 23, 2021
    Assignee: IMPACT THERAPEUTICS, INC.
    Inventors: Suixiong Cai, Yushen Guo
  • Publication number: 20210128535
    Abstract: The disclosure relates to substituted fused heteroaromatic tricyclic compounds and the use thereof. Specifically, the disclosure provides compounds of the following Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein A1-A3, B1-B3, D1-D4 and R1-R2 are defined herein. Compounds having Formula I are ATM kinase inhibitors. Therefore, compounds of the disclosure may be used to treat clinical conditions caused by DDR functional defects, such as cancer.
    Type: Application
    Filed: February 26, 2018
    Publication date: May 6, 2021
    Applicant: IMPACT THERAPEUTICS, INC.
    Inventors: Suixiong CAI, Ye Edward TIAN, Xiaozhu WANG
  • Patent number: 10874670
    Abstract: The disclosure relates to substituted fused heteroaromatic compounds and the use thereof. Specifically, the disclosure provides compounds of the following Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein A1-A4, B1-B3, D1-D4 and R1-R3 are defined herein. Compounds having Formula I are kinalse inhibitors. Therefore, compounds of the disclosure may be used to treat clinical conditions caused by DDR functional defects, such as cancer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: December 29, 2020
    Assignee: IMPACT THERAPEUTICS, INC.
    Inventors: Suixiong Cai, Ye Edward Tian
  • Patent number: 10703759
    Abstract: Disclosed are 8,9-dihydroimidazo[1,2-a]pyrimido[5,4-e]pyrimidin-5(6H)-one compounds, specifically represented by the Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein A and R1-R7 are defined herein. Compounds having Formula I are Wee1 kinase inhibitors. Therefore, compounds of the disclosure may be used to treat diseases caused by abnormal Wee1 activity.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 7, 2020
    Assignee: IMPACT THERAPEUTICS, INC
    Inventors: Sui Xiong Cai, Ye Edward Tian
  • Patent number: 10676468
    Abstract: Disclosed are novel N-(3-heteroarylaryl)-4-arylarylcarboxamides and analogs thereof, represented by the Formula I: wherein C cyclic group, D1-D4, Q1, Q2, R5 are defined herein. Compounds having Formula (I) are hedgehog pathway inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of hedgehog activity, such as cancer.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: June 9, 2020
    Assignee: Impact Therapeutics, Inc.
    Inventors: Suixiong Cai, Ye Edward Tian, Sishun Kang, Zheng Meng, Chengyun Gu, Feng Yin, Shengzhi Chen, Yang Zhang, Xiuyan Zhang, Hongqiang Fei, Dongmei Wang
  • Publication number: 20200131192
    Abstract: Disclosed are imidazo[1,2-b]pyrimido[4,5-d]pyridazin-5(6H)-one compounds, specifically represented by the Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein A and R1-R5 are defined herein. Compounds having Formula I are Wee1 kinase inhibitors. Therefore, compounds of the disclosure may be used to treat diseases caused by abnormal Wee1 activity.
    Type: Application
    Filed: July 10, 2018
    Publication date: April 30, 2020
    Applicant: IMPACT THERAPEUTICS, INC.
    Inventors: Suixiong CAI, Ye Edward TIAN, Zhiqiang DONG, Xiaozhu WANG
  • Patent number: 10562889
    Abstract: This disclosure provides a process for preparing 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones, specially provides a method for preparing the compound of Formula I, and the method comprises the step of reacting the compound of Formula II with the compound of Formula A in the presence of a condensation agent, an organic base and an organic solvent by condensation.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 18, 2020
    Assignee: IMPACT THERAPEUTICS, INC.
    Inventors: Suixiong Cai, Ping Huang
  • Publication number: 20190270732
    Abstract: Disclosed are 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones represented by the Formula (I): wherein Ar, R1-R6 are defined herein. Compounds having Formula (I) are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Applicant: IMPACT Therapeutics, Inc.
    Inventors: Sui Xiong CAI, Ye Edward TIAN, Haijun DONG, Qingbing XU, Lizhen WU, Lijun LIU, Yangzhen JIANG, Qingli BAO, Guoxiang WANG, Feng YIN, Chengyun GU, Xiuhua HU, Xiaozhu WANG, Sishun KANG, Shengzhi CHEN
  • Patent number: 10316027
    Abstract: Disclosed are 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones represented by the Formula (I): wherein Ar, R1-R6, are defined herein. Compounds having Formula (I) are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: June 11, 2019
    Assignee: Impact Therapeutics, Inc.
    Inventors: Sui Xiong Cai, Ye Edward Tian, Haijun Dong, Qingbing Xu, Lizhen Wu, Lijun Liu, Yangzhen Jiang, Qingli Bao, Guoxiang Wang, Feng Yin, Chengyun Gu, Xiuhua Hu, Xiaozhu Wang, Sishun Kang, Shengzhi Chen
  • Publication number: 20190112298
    Abstract: This disclosure provides a process for preparing 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones, specially provides a method for preparing the compound of Formula I, and the method comprises the step of reacting the compound of Formula II with the compound of Formula A in the presence of a condensation agent, an organic base and an organic solvent by condensation.
    Type: Application
    Filed: March 31, 2017
    Publication date: April 18, 2019
    Applicant: IMPACT THERAPEUTICS, INC.
    Inventors: Suixiong CAI, Ping HUANG
  • Patent number: 9926304
    Abstract: Disclosed are 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones represented by the Formula (I): wherein Ar, R1-R6 are defined herein. Compounds having Formula (I) are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: March 27, 2018
    Assignee: Impact Therapeutics, Inc.
    Inventors: Sui Xiong Cai, Ye Edward Tian, Haijun Dong, Qingbing Xu, Lizhen Wu, Lijun Liu, Yangzhen Jiang, Qingli Bao, Guoxiang Wang, Feng Yin, Chengyun Gu, Xiuhua Hu, Xiaozhu Wang, Sishun Kang, Shengzhi Chen
  • Patent number: 9290460
    Abstract: Disclosed are 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones thereof, represented by the Formula (I) wherein Ar, R1-R6 are defined herein. Compounds having Formula (I) are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity.
    Type: Grant
    Filed: March 31, 2012
    Date of Patent: March 22, 2016
    Assignee: IMPACT THERAPEUTICS, INC.
    Inventors: Sui Xiong Cai, Ye Edward Tian, Xiuhua Hu
  • Patent number: 9102631
    Abstract: Disclosed are novel 1-(arylmethyl)-5,6,7,8-tetrahydroquinazoline-2,4-diones and analogs thereof, represented by the Formula 1: wherein Ar, A, R1, R3-R6 are defined herein. Compounds having Formula I are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity, such as cancer.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: August 11, 2015
    Assignee: IMPACT Therapeutics, Inc.
    Inventors: Suixiong Cai, Ye Edward Tian, Lizhen Wu, Lijun Liu, Xiaozhu Wang, Yangzhen Jiang, Guoxiang Wang, Xiuyan Zhang, Qingbing Xu, Zheng Meng
  • Patent number: 9090568
    Abstract: The present invention discloses compounds of formula (I), or pharmaceutically acceptable salts or prodrugs thereof, which inhibit the poly(ADP-ribose) polymerases (PARP) and therefore are useful for treating diseases, disorders, and conditions related to PARP. The present invention also discloses pharmaceutical compositions comprising a compound of formula (I), and methods of using such compounds to inhibit PARP enzymes, and to treat diseases, disorders, and conditions related to PARP.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: July 28, 2015
    Assignee: IMPACT Therapeutics, Inc.
    Inventors: Dong Liu, Minsheng Zhang, Kan He, Lianshan Zhang
  • Publication number: 20140023642
    Abstract: Disclosed are 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones thereof, represented by the Formula (I) wherein Ar, R1-R6 are defined herein. Compounds having Formula (I) are PARP inhibitors. Therefore, compounds of the invention may be used to treat clinical conditions that are responsive to the inhibition of PARP activity.
    Type: Application
    Filed: March 31, 2012
    Publication date: January 23, 2014
    Applicant: Impact Therapeutics, Inc.
    Inventors: Sui Xiong Cai, Ye Edward Tian, Haijun Dong, Qingbing Xu, Lizhen Wu, Lijun Liu, Yangzhen Jiang, Qingli Bao, Guoxiang Wang, Feng Yin, Chengyun Gu, Xiuhua Hu, Xiaozhu Wang, Sishun Kang, Shengzhi Chen
  • Publication number: 20130280245
    Abstract: Disclosed are 3-aryl-6-aryl-[1,2,4]triazolo[4,3-?]pyridines thereof, represented by the Formula (I) wherein Ar1, Ar2, R1—R3 are defined herein. Compounds having Formula (I) are inhibitors of cell proliferation. Therefore, compounds of the invention may be used to treat clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: November 16, 2011
    Publication date: October 24, 2013
    Applicant: IMPACT Therapeutics, Inc.
    Inventors: Suixiong Cai, Ye Edward Tian, Haijun Dong, Lei Chen, Zenghui Yu, Feng Yin, Sheng Bi, Lijun Liu, Lizhen Wu