Patents by Inventor Zaihui Zhang

Zaihui Zhang 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).

  • Patent number: 7754711
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (Ia): where x, y, W, V, R2, R3, R4, R5, R6, R6a, R7, R7a, R8, R8a, R9 and R9a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: July 13, 2010
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Nagasree Chakka, Mikhail Chafeev, Sultan Chowdhury, Jian-Min Fu, Duanjie Hou, Rajender Kamboj, Vishnumurthy Kodumuru, Shifeng Liu, Vandna Raina, Shaoyi Sun, Serguei Sviridov, Michael D. Winther, Zaihui Zhang, Melwyn Abreo, Mark W. Holladay, Wenbao Li, Sengen Sun, Chi Tu, Heinz W. Gschwend
  • Publication number: 20100152187
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I), where V, W, R1, R2, R3 and R4 are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: June 5, 2006
    Publication date: June 17, 2010
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Jianmin Fu, Duanjie Hou, Rajender Kamboj, Vishnumurthy Kodumuru, Natalia Pokrovskaia, Vandna Raina, Shaoyi Sun, Serguei Sviridov, Zaihui Zhang
  • Publication number: 20100048584
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): wherein x, y, W, V, R1, R2, R3, R4, R5, R6, R7, R7a, R8, R8a, R9, R9a, R10 and R10a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: September 2, 2009
    Publication date: February 25, 2010
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Melwyn Abreo, Daniel F. Harvey, Heinz W. Gschwend, Wenbao Li, Chi Tu, Rajender Kamboj, Michael D. Winther, Vishnumurthy Kodumuru, Cindy J. Hudson, Mikhail A. Kondratenko, Shifeng Liu, Vandna Raina, Serguei Sviridov, Zaihui Zhang, Mehran Seid Bagherzadeh, Shaoyi Sun
  • Publication number: 20100029722
    Abstract: The present invention provides heterocyclic derivatives that modulate the activity of stearoyl-CoA desaturase. Methods of using such derivatives to modulate the activity of stearoyl-CoA desaturase and pharmaceutical compositions comprising such derivatives are also encompassed.
    Type: Application
    Filed: December 19, 2007
    Publication date: February 4, 2010
    Inventors: Natalie Dales, Zaihui Zhang, Julia Fonarev, Jianmin Fu, Rajender Kamboj, Vishnumurthy Kodumuru, Natalia Pokrovskaia, Shaoyi Sun
  • Publication number: 20100029718
    Abstract: The present invention provides heterocyclic derivatives that modulate the activity of stearoyl-CoA desaturase. Methods of using such derivatives to modulate the activity of stearoyl-CoA desaturase and pharmaceutical compositions comprising such derivatives are also encompassed.
    Type: Application
    Filed: September 19, 2007
    Publication date: February 4, 2010
    Inventors: Natalie Dales, Zaihui Zhang, Rajender Kamboj, Jianmin Fu, Shaoyi Sun, Natalia Pokrovskaia, Serguei Sviridov
  • Publication number: 20090306090
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): where x, y, G, J, K, L, M, W, R2, R3, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: August 13, 2009
    Publication date: December 10, 2009
    Applicant: Xenon Pharmaceuticals Inc.
    Inventors: Rajender Kamboj, Zaihui Zhang, Jianmin Fu, Vandna Raina, Serguei Sviridov, Vishnumurthy Kodumuru, Nagasree Chakka, Shifeng Lui, Shaoyi Sun, Duanjie Hou
  • Publication number: 20090264444
    Abstract: The present invention provides heterocyclic derivatives that modulate the activity of stearoyl-CoA desaturase. Methods of using such derivatives to modulate the activity of stearoyl-CoA desaturase and pharmaceutical compositions comprising such derivatives are also encompassed.
    Type: Application
    Filed: February 20, 2009
    Publication date: October 22, 2009
    Inventors: Sultan Chowdhury, Natalie Dales, Julia Fonarev, Jianmin Fu, Duanjie Hou, Qi Jia, Vishnumurthy Kodumuru, Natalia Pokrovskaia, Shaoyi Sun, Zaihui Zhang
  • Patent number: 7605161
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): wherein: W is —O—, —N(R1)—, C(O), S(O)t; (where t is 0, 1 or 2), N(R1)S(O)2, S(O)2N(R1), C(O)N(R1) or N(R1)C(O)N(R1); and V is C(O), C(S), C(O)N(R1)—, C(O)O—, S(O)2—, S(O)2N(R1)— or C(R11)H; and x, y, R1, R2, R3, R4, R5, R6, R7, R7a, R8, R8a, R9, R9a, R10 and R10a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: October 20, 2009
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Melwyn Abreo, Daniel F. Harvey, Heinz W. Gschwend, Wenbao Li, Chi Tu, Rajender Kamboj, Michael D. Winther, Vishnumurthy Kodumuru, Cindy J. Hudson, Mikhail A. Kondratenko, Shifeng Liu, Vandna Raina, Serguei Sviridov, Zaihui Zhang, Mehran Seid Bagherzadeh, Shaoyi Sun
  • Patent number: 7592343
    Abstract: Compounds of formula (Ia): where x, y, G, L, M, W, R2, R3, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein, are disclosed, as well as pharmaceutical compositions comprising the compounds. These compounds and pharmaceutical compositions are useful in treating SCD-mediated diseases or conditions.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: September 22, 2009
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Rajender Kamboj, Zaihui Zhang, Jianmin Fu, Vandna Raina, Serguei Sviridov, Vishnumurthy Kodumuru, Nagasree Chakka, Shifeng Liu, Shaoyi Sun, Duanjie Hou
  • Publication number: 20090156615
    Abstract: The present invention provides heterocyclic derivatives that modulate the activity of stearoyl-CoA desaturase. Methods of using such derivatives to modulate the activity of stearoyl-CoA desaturase and pharmaceutical compositions comprising such derivatives are also encompassed.
    Type: Application
    Filed: June 4, 2007
    Publication date: June 18, 2009
    Inventors: Natalie Dales, Julia Fonarev, Jianmin Fu, Duanjie Hou, Rajender Kamboj, Vishnumurthy Kodumuru, Natalia Pokrovskaia, Vandna Raina, Shaoyi Sun, Zaihui Zhang
  • Publication number: 20090131447
    Abstract: This invention is directed to the use of SCD-1 inhibitors of the formula (I): where x, y, V, W, G, J, L, M, R2, R3, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein, in combination with other drug therapies to treat adverse weight gain.
    Type: Application
    Filed: February 8, 2006
    Publication date: May 21, 2009
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Rajender Kamboj, Michael D. Winther, Robert Fraser, Mikhail Chafeev, Sultan Chowdhury, Jian-Min Fu, Duanjie Hou, Shifeng Liu, Vandna Raina, Mehran Seid Bagherzadeh, Serguei Sviridov, Kashinath Sadalapure, Shaoyi Sun, Vishnumurthy Kodumuru, Nagasree Chakka, Zaihui Zhang, Melwyn Abreo, Mikhail A. Kondratenko, Daniel F. Harvey, Cindy J. Hudson, Wenbao Li, Chi Tu, Sengen Sun, Mark W. Holladay, Heinz W. Gschwend
  • Publication number: 20090069408
    Abstract: This invention is directed to, for example, compounds of formula (I): wherein n, m, R1, R2, R3, R4, R5, R6, R7 and R8 are as defined herein, as a stereoisomer, enantiomer, tautomer thereof or mixtures thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof, for the treatment of iron disorders. This invention is also directed to pharmaceutical compositions comprising the compounds and methods of using the compounds to treat iron disorders.
    Type: Application
    Filed: March 7, 2008
    Publication date: March 12, 2009
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Mikhail Chafeev, Nagasree Chakka, Jean-Jacques Cadieux, Jianmin Fu, Rajender Kamboj, Vishnumurthy Kodumuru, Jonathan Langille, Shifeng Liu, Jianyu Sun, Serguei Sviridov, Zaihui Zhang
  • Publication number: 20080234384
    Abstract: This invention is directed to compounds of formula (I): wherein m, n, R1, R2 and R3 are as defined herein, as a stereoisomer, enantiomer, tautomer thereof or mixtures thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof, for the treatment of iron disorders. This invention is also directed to pharmaceutical compositions comprising the compounds and methods of using the compounds to treat iron disorders.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 25, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Mikhail Chafeev, Nagasree Chakka, Jean-Jacques Cadieux, Jianmin Fu, Rajender Kamboj, Vishnumurthy Kodumuru, Jonathan Langille, Shifeng Liu, Jianyu Sun, Serguei Sviridov, Zaihui Zhang
  • Publication number: 20080234327
    Abstract: This invention is directed to compounds of formula (I): wherein m, R1, R2, R3 and R4 are as defined herein, as a stereoisomer, enantiomer, tautomer thereof or mixtures thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof, for the treatment of iron disorders. This invention is also directed to pharmaceutical compositions comprising the compounds and methods of using the compounds to treat iron disorders.
    Type: Application
    Filed: March 21, 2008
    Publication date: September 25, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Jean-Jacques Cadieux, Jianmin Fu, Rajender Kamboj, Zaihui Zhang
  • Publication number: 20080207587
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I) where x, y, G, J, K, L, M, Q, W, V, R2, R3, R5, R5a, R6, R6a, R7, R7a, R8 and R8a arc defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: September 20, 2005
    Publication date: August 28, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Rajender Kamboj, Zaihui Zhang, Jian-Min Fu, Serguei Sviridov, Sultan Chowdhury, Vishnumurthy Kodumuru
  • Publication number: 20080188488
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I) where x, y, J, K, W, V, R3, R4, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: September 20, 2005
    Publication date: August 7, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Rajender Kamboj, Zaihui Zhang, Serguei Sviridov, Vandna Raina, Duanjie Hou, Vishnumurthy Kodumuru, Mehran Seid Bagherzadeh
  • Patent number: 7393869
    Abstract: Methods of using thiazolidine derivatives of formula (I) to treat cancer, inflammation, or other disorders related to the activities of protein phosphatases PTPN12 or PTPN2 in a mammal are disclosed.
    Type: Grant
    Filed: May 8, 2003
    Date of Patent: July 1, 2008
    Assignee: QLT Inc.
    Inventors: Zaihui Zhang, Timothy S. Daynard, Gabriel Bela Kalmar
  • Publication number: 20080125434
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): where x, y, G, J, K, L, M, W, R2, R3, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: September 20, 2005
    Publication date: May 29, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Rajender Kamboj, Zaihui Zhang, Jianmin Fu, Vandna Raina, Serguei Sviridov, Vishnumurthy Kodumuru, Nagasree Chakka, Shifeng Liu, Shaoyi Sun, Duanjie Hou
  • Publication number: 20080108629
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): where x, y, G, J, K, L, M, W, V, R2, R3, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: September 20, 2005
    Publication date: May 8, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Rajender Kamboj, Zaihui Zhang, Jianmin Fu, Vishnumurthy Kodumuru, Shifeng Liu, Shaoyi Sun, Nagasree Chakka
  • Publication number: 20080096895
    Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): where x, y, G, J, K, L, M, V R2, R3, R4, R5, R5a, R6, R6a, R7, R7a, R8 and R8a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.
    Type: Application
    Filed: September 20, 2005
    Publication date: April 24, 2008
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Rajender Kamboj, Zaihui Zhang, Jian-Min Fu