Patents by Inventor Xingchun Han
Xingchun Han 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).
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Publication number: 20240376073Abstract: The invention provides novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein R1 to R6 are as described herein: Frther provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.Type: ApplicationFiled: January 4, 2024Publication date: November 14, 2024Applicant: Hoffmann-La Roche Inc.Inventors: Sandra Marie Joseph GRALL-ULSEMER, Xingchun HAN, Joel Lukas KNECHT, Christian LERNER, Mingming LI, Yongqiang LIU, Patrizio MATTEI, Matthias NETTEKOVEN, Philippe PFLIEGER, Theodor STOLL, Jianhua WANG, Min WANG, Yongguang WANG, Song YANG, Chengang ZHOU
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Publication number: 20240368117Abstract: The invention provides novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein X, D, R1 to R4, and R6 to R10 are as described herein. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.Type: ApplicationFiled: November 10, 2023Publication date: November 7, 2024Applicant: Hoffmann-La Roche Inc.Inventors: Mathis BRAENDLIN, Sandra Marie Joseph GRALL-ULSEMER, Xingchun HAN, Christian LERNER, Mingming LI, Yongqiang LIU, Sébastien SCHMITT, Jianhua WANG, Yongguang WANG, Min WANG, Song YANG, Chengang ZHOU
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Publication number: 20240140933Abstract: The present invention relates to compounds of formula (I), wherein R1 to R3, A1 to A3 and n are as described herein, and their pharmaceutically acceptable salt thereof, and compositions including the compounds and methods of using the compounds.Type: ApplicationFiled: November 20, 2023Publication date: May 2, 2024Applicant: Hoffmann-La Roche Inc.Inventors: Fabian DEY, Dong DING, Xingchun HAN, Chungen LIANG, Hongtao XU, Ge ZOU
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Patent number: 11858912Abstract: The invention provides novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein X, D, R1 to R4, and R6 to R10 are as described herein. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.Type: GrantFiled: July 14, 2022Date of Patent: January 2, 2024Assignee: Hoffmann-La Roche Inc.Inventors: Mathis Braendlin, Sandra Marie Joseph Grall-Ulsemer, Xingchun Han, Christian Lerner, Mingming Li, Yongqiang Liu, Sébastien Schmitt, Jianhua Wang, Yongguang Wang, Min Wang, Song Yang, Chengang Zhou
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Publication number: 20230248723Abstract: The present invention relates to novel therapeutic agents against hepatitis B virus (HBV) infection, particularly inhibitors of viral covalently closed circular DNA (cccDNA) which is the key barrier for HBV cure. Accordingly, the invention provides the pyrrolo[2,3-b]pyrazine compounds of formula (I), as described and defined herein, for use in the treatment of HBV infection. The compounds provided herein are highly potent against HBV infection and enable an improved therapy, particularly of chronic HBV infection and HBV rebound. The present invention further relates to a novel screening assay for the identification of therapeutic agents against HBV infection, particularly cccDNA inhibitors, which is performed in hepatocyte-like cells that recapitulate the complete HBV life cycle following infection with patient-derived HBV.Type: ApplicationFiled: December 4, 2018Publication date: August 10, 2023Inventors: Jitao David ZHANG, Xingchun HAN, Song YANG, Miriam TRIYATNI, Brian LEONARD, Angelina WALLIER, Josephine SCHMALER, Daniel TURLEY, Philipp TROPBERGER, Samuel CROSET
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Publication number: 20230141403Abstract: The invention provides novel imidazopyrazine derivatives having the general formula (I), or pharmaceutically acceptable salts thereof, wherein X, m, n, and R1 to R3 are as described herein: Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.Type: ApplicationFiled: December 6, 2022Publication date: May 11, 2023Applicant: Hoffmann-La Roche Inc.Inventors: Zhanling CHENG, Xingchun HAN, Christian KRAMER, Holger KUEHNE, Christian LERNER, Mingming LI, Matthias NETTEKOVEN, Theodor STOLL, Min WANG, Song YANG
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Publication number: 20230133845Abstract: The invention provides novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein X, D, R1 to R4, and R6 to R10 are as described herein. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.Type: ApplicationFiled: July 14, 2022Publication date: May 4, 2023Applicant: Hoffmann-La Roche Inc.Inventors: Mathis BRAENDLIN, Sandra Marie Joseph GRALL-ULSEMER, Xingchun HAN, Christian LERNER, Mingming LI, Yongqiang LIU, Sébastien SCHMITT, Jianhua WANG, Yongguang WANG, Min WANG, Song YANG, Chengang ZHOU
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Publication number: 20230012368Abstract: Provided are novel imidazopyrazine derivatives having the general formula (I), wherein R1 to R11 are as described herein and pharmaceutically acceptable salts thereof. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and related diseases.Type: ApplicationFiled: June 16, 2021Publication date: January 12, 2023Applicant: Hoffmann-La Roche Inc.Inventors: Jean-Baptiste BLANC, Zhanling CHENG, Xingchun HAN, Nawaz KHAN, Christian KRAMER, Holger KUEHNE, Christian LERNER, Matthias NETTEKOVEN, Philippe PFLIEGER, Bernd PUELLMANN, Sebastien SCHMITT, Theodor STOLL, Jianhua WANG, Yongguang WANG, Song YANG
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Publication number: 20220396567Abstract: The present invention provides novel compounds having the general formula: wherein R1 to R4, L1, L2 and X are as described herein, compositions including the compounds and methods of using the compounds.Type: ApplicationFiled: September 28, 2020Publication date: December 15, 2022Applicant: Hoffmann-La Roche Inc.Inventors: Song FENG, Xingchun HAN, Chungen LIANG, Kun MIAO, Hong SHEN, Xuefei TAN, Jianping WANG, Li WANG
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Publication number: 20220396565Abstract: Provided are novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein R1 to R4, m, n, and p are as described herein. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.Type: ApplicationFiled: July 20, 2022Publication date: December 15, 2022Applicant: Hoffmann-La Roche Inc.Inventors: Zhanling CHENG, Xingchun HAN, Christian KRAMER, Christian LERNER, Yongqiang LIU, Matthias NETTEKOVEN, Philippe PFLIEGER, Bernd PUELLMANN, Jianhua WANG, Lisha WANG, Min WANG, Yongguang WANG, Song YANG, Chengang ZHOU
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Patent number: 11447489Abstract: The present invention provides novel compounds having the general formula: wherein R1, R2, X, Y and A are as described herein, compositions including the compounds and methods of using the compounds.Type: GrantFiled: December 21, 2018Date of Patent: September 20, 2022Assignee: Hoffmann-La Roche Inc.Inventors: Xingchun Han, Min Jiang, Yongguang Wang, Song Yang
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Publication number: 20220096527Abstract: The present invention relates to a method for identifying a compound that prevents, ameliorates and/or inhibits hepatitis B virus (HBV) infections. The compound (i) reduces the expression and/or activity of PAP associated domain containing 5 (PAPD5) and/or PAP associated domain containing 7 (PAPD7); and/or (ii) binds to PAPD5 and/or PAPD7 and inhibits 5 propagation of HBV; and is identified as a compound that prevents, ameliorates and/or inhibits HBV infections. An inhibitor of PAPD5 and/or PAPD7 for use in treating and/or preventing HBV infections; as well as a combined preparation comprising an inhibitor of PAPD5 and an inhibitor of PAPD7 for simultaneous or sequential use in the treatment or prevention of HBV infections is also provided. The present invention includes a 10-pharmaceutical composition for use in treatment and/or prevention of HBV infections, and a method for monitoring therapeutic success during treatment of HBV infections.Type: ApplicationFiled: December 3, 2021Publication date: March 31, 2022Applicant: HOFFMANN-LA ROCHE INC.Inventors: Xingchun HAN, Hassan JAVANBAKHT, Henrik MUELLER, Yongguang WANG, Song YANG
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Patent number: 11225482Abstract: The present invention provides novel compounds having the general formula: wherein R1, R2, A and X are as described herein, compositions including the compounds and methods of using the compounds.Type: GrantFiled: December 20, 2018Date of Patent: January 18, 2022Assignee: Hoffmann-La Roche Inc.Inventors: Zhanling Cheng, Xingchun Han, Min Jiang, Song Yang
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Patent number: 11191775Abstract: The present invention relates to a method for identifying a compound that prevents, ameliorates and/or inhibits a hepatitis B virus (HBV) infection, wherein a compound that (i) reduces the expression and/or activity of PAP associated domain containing 5 (PAPD5) and/or PAP associated domain containing 7 (PAPD7); and/or (ii) binds to PAPD5 and/or PAPD7 and inhibits 5 propagation of HBV; is identified as a compound that prevents, ameliorates and/or inhibits a HBV infection. The invention also provides for an inhibitor of PAPD5 and/or PAPD7 for use in treating and/or preventing a HBV infection; as well as a combined preparation comprising an inhibitor of PAPD5 and an inhibitor of PAPD7 for simultaneous or sequential use in the treatment or prevention of a HBV infection. Also comprised in the present invention is a 10 pharmaceutical composition for use in the treatment and/or prevention of a HBV infection, and a method for monitoring the therapeutic success during the treatment of a HBV infection.Type: GrantFiled: June 19, 2017Date of Patent: December 7, 2021Assignee: HOFFMANN-LA ROCHE INC.Inventors: Xingchun Han, Hassan Javanbakht, Henrik Mueller, Yongguang Wang, Song Yang
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Patent number: 11168086Abstract: The present invention relates to compounds of the formula (I), or pharmaceutically acceptable salts, enantiomer or diastereomer thereof, wherein R1 to R4 are as described above. The compounds may be useful for the treatment or prophylaxis of hepatitis B virus infection.Type: GrantFiled: December 19, 2017Date of Patent: November 9, 2021Assignee: Hoffmann-La Roche Inc.Inventors: Taishan Hu, Xingchun Han, Buyu Kou, Hong Shen, Shixiang Yan, Zhisen Zhang
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Patent number: 11104674Abstract: The present invention provides novel compounds having the general formula: wherein R1 to R4, A, W, Q and Y are as described herein, compositions including the compounds and methods of using the compounds.Type: GrantFiled: December 20, 2018Date of Patent: August 31, 2021Assignee: Hoffmann-La Roche Inc.Inventors: Zhanling Cheng, Xingchun Han, Min Jiang, Jianhua Wang, Yongguang Wang, Song Yang
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Patent number: 10968218Abstract: The present invention provides novel compounds having the general formula: wherein R1, R2 and R3 are as described herein, compositions including the compounds and methods of using the compounds.Type: GrantFiled: October 31, 2017Date of Patent: April 6, 2021Assignee: Hoffmann-La Roche Inc.Inventors: Zhanling Cheng, Xingchun Han, Yongguang Wang, Song Yang
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Publication number: 20210061801Abstract: The present invention provides novel compounds having the general formula: wherein R1, R2, X, Y and A are as described herein, compositions including the compounds and methods of using the compounds.Type: ApplicationFiled: December 21, 2018Publication date: March 4, 2021Applicant: Hoffmann-La Roche Inc.Inventors: Xingchun HAN, Min JIANG, Yongguang WANG, Song YANG
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Patent number: 10781206Abstract: The present invention relates to compounds of the formula (I), or pharmaceutically acceptable salts, enantiomer or diastereomer thereof, wherein R1 to R5 are as described above. The compounds may be useful for the treatment or prophylaxis of hepatitis B virus infection.Type: GrantFiled: January 14, 2019Date of Patent: September 22, 2020Assignee: HOFFMANN LA-ROCHE INC.Inventors: Taishan Hu, Hong Shen, Xingchun Han
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Patent number: 10683299Abstract: The present invention relates to compounds of the formula (I), or pharmaceutically acceptable salts, enantiomer or diastereomer thereof, wherein R1 to R4 and Q are as described above. The compounds may be useful for the treatment or prophylaxis of hepatitis B virus infection.Type: GrantFiled: January 14, 2019Date of Patent: June 16, 2020Assignee: HOFFMANN LA ROCHE INC.Inventors: Xingchun Han, Xianfeng Lin, Hong Shen, Taishan Hu, Zhisen Zhang