Patents Assigned to IMPACT Therapeutics, Inc.
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Patent number: 11358955Abstract: 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: GrantFiled: May 17, 2019Date of Patent: June 14, 2022Assignee: 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
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Patent number: 11179392Abstract: 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: GrantFiled: April 1, 2016Date of Patent: November 23, 2021Assignee: IMPACT THERAPEUTICS, INC.Inventors: Suixiong Cai, Yushen Guo
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Publication number: 20210128535Abstract: 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: ApplicationFiled: February 26, 2018Publication date: May 6, 2021Applicant: IMPACT THERAPEUTICS, INC.Inventors: Suixiong CAI, Ye Edward TIAN, Xiaozhu WANG
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Patent number: 10874670Abstract: 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: GrantFiled: January 9, 2018Date of Patent: December 29, 2020Assignee: IMPACT THERAPEUTICS, INC.Inventors: Suixiong Cai, Ye Edward Tian
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Patent number: 10703759Abstract: 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: GrantFiled: November 16, 2017Date of Patent: July 7, 2020Assignee: IMPACT THERAPEUTICS, INCInventors: Sui Xiong Cai, Ye Edward Tian
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Patent number: 10676468Abstract: 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: GrantFiled: July 19, 2013Date of Patent: June 9, 2020Assignee: 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
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Publication number: 20200131192Abstract: 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: ApplicationFiled: July 10, 2018Publication date: April 30, 2020Applicant: IMPACT THERAPEUTICS, INC.Inventors: Suixiong CAI, Ye Edward TIAN, Zhiqiang DONG, Xiaozhu WANG
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Patent number: 10562889Abstract: 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: GrantFiled: March 31, 2017Date of Patent: February 18, 2020Assignee: IMPACT THERAPEUTICS, INC.Inventors: Suixiong Cai, Ping Huang
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Publication number: 20190270732Abstract: 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: ApplicationFiled: May 17, 2019Publication date: September 5, 2019Applicant: 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
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Patent number: 10316027Abstract: 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: GrantFiled: March 26, 2018Date of Patent: June 11, 2019Assignee: 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
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Publication number: 20190112298Abstract: 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: ApplicationFiled: March 31, 2017Publication date: April 18, 2019Applicant: IMPACT THERAPEUTICS, INC.Inventors: Suixiong CAI, Ping HUANG
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Patent number: 9926304Abstract: 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: GrantFiled: February 12, 2016Date of Patent: March 27, 2018Assignee: 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
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Patent number: 9290460Abstract: 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: GrantFiled: March 31, 2012Date of Patent: March 22, 2016Assignee: IMPACT THERAPEUTICS, INC.Inventors: Sui Xiong Cai, Ye Edward Tian, Xiuhua Hu
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Patent number: 9102631Abstract: 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: GrantFiled: November 1, 2012Date of Patent: August 11, 2015Assignee: 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
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Patent number: 9090568Abstract: 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: GrantFiled: March 12, 2012Date of Patent: July 28, 2015Assignee: IMPACT Therapeutics, Inc.Inventors: Dong Liu, Minsheng Zhang, Kan He, Lianshan Zhang
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Publication number: 20140023642Abstract: 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: ApplicationFiled: March 31, 2012Publication date: January 23, 2014Applicant: 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
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Publication number: 20130280245Abstract: 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: ApplicationFiled: November 16, 2011Publication date: October 24, 2013Applicant: IMPACT Therapeutics, Inc.Inventors: Suixiong Cai, Ye Edward Tian, Haijun Dong, Lei Chen, Zenghui Yu, Feng Yin, Sheng Bi, Lijun Liu, Lizhen Wu