Patents by Inventor Serge Leger

Serge Leger 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: 8318748
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: November 27, 2012
    Assignees: Merck, Sharp & Dohme Corp., Axys Pharmaceuticals, Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Publication number: 20120010186
    Abstract: Heterocyclic compounds of structural formula I are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD). The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease; atherosclerosis; obesity; diabetes; neurological disease; Metabolic Syndrome; insulin resistance; cancer, liver steatosis; and non-alcoholic steatohepatitis.
    Type: Application
    Filed: March 18, 2010
    Publication date: January 12, 2012
    Applicant: MERCK FROSST CANADA LTD.
    Inventors: Nicolas Lachance, Serge Leger, Renata M. Oballa, David Powell, Geoffrey K. Tranmer, Evelyn Martins, Yves Gareau
  • Publication number: 20110301143
    Abstract: Heterocyclic compounds of structural formula (I), or a pharmaceutically acceptable salt thereof, wherein W is a R1— substituted heteroaryl, R1 is an heteroaryl ring substituted with an ester or carboxylic acid containing radical, X-T is N—CR5R6, C?CR5 or CR13—CR5R6, Y is a bond or —C(O)—, a and b represent an integer selected from 1 to 4, and Ar is an optionally substituted phenyl or naphtyl, are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD) The heterocyclic compounds are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, atherosclerosis, obesity, diabetes, neurological disease, Metabolic Syndrome, insulin resistance, cancer, liver steatosis, and non-alcoholic steatohepatitis.
    Type: Application
    Filed: February 18, 2010
    Publication date: December 8, 2011
    Inventors: Elise Isabel, Nicolas Lachance, Jean-Philippe Leclerc, Serge Leger, Renata M. Oballa, David Powell, Yeeman K. Ramtohul, Patrick Roy, Geoffrey K. Tranmer, Renee Aspiotis, Lianhai Li, Evelyn Martins
  • Publication number: 20110230446
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: May 25, 2011
    Publication date: September 22, 2011
    Applicants: Axys Pharmaceuticals, Inc., Merck Canada Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Chirstophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Patent number: 7973037
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: July 5, 2011
    Assignees: Axys Pharmaceuticals, Inc., Merck Canada Inc.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Publication number: 20100152208
    Abstract: Bicyclic heteroaromatic compounds of structural formula I are inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD). The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; Type 2 diabetes; insulin resistance; hyperglycemia; Metabolic Syndrome; neurological disease; cancer; and liver steatosis. Formula (I).
    Type: Application
    Filed: May 22, 2008
    Publication date: June 17, 2010
    Inventors: Serge Leger, Denis Deschenes, Rejean Fortin, Elise Isabel, David Powell
  • Publication number: 20100063013
    Abstract: The present invention relates to novel compounds of the formula (I), wherein R?-R7, X, Y, D and n are as defined in the specification. These compounds are cysteine protease inhibitors which include but are not limited to inhibitors of cathepsms K, L, S and B and are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: March 25, 2008
    Publication date: March 11, 2010
    Inventors: Renata Oballa, Christopher Bayly, Jean-Francois Truchon, Chun Sing Li, Serge Leger
  • Publication number: 20090291955
    Abstract: Azacyclohexane derivatives of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Application
    Filed: November 10, 2006
    Publication date: November 26, 2009
    Inventors: Sheldon N. Crane, Joel Stéphane Robichaud, Serge Léger, Yeeman K. Ramtohul
  • Publication number: 20090270434
    Abstract: Azacycloalkane derivatives of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Application
    Filed: July 7, 2009
    Publication date: October 29, 2009
    Inventors: Yves Leblanc, David Powell, Yeeman K. Ramtohul, Serge Leger
  • Publication number: 20090253672
    Abstract: This invention relates to a novel class of compounds, represented by the formula (I) below, wherein the meanings of R1, R2, R3, R4, R5, R6, R7, X and Y are indicated therein, which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsms K L, S and B These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis, osteoarthritis and rheumatoid arthritis
    Type: Application
    Filed: October 10, 2006
    Publication date: October 8, 2009
    Inventors: Serge Leger, Christopher Bayly, Jean-Francois Truchon
  • Patent number: 7582633
    Abstract: Azacycloalkane derivatives of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: September 1, 2009
    Assignee: Merck Frosst Canada L.L.C.
    Inventors: Yves Leblanc, David Powell, Yeeman K. Ramtohul, Serge Léger
  • Publication number: 20090176861
    Abstract: The present invention relates to a novel class of compounds mainly, substituted leucinamide-carboxylate derivatives of formula (I) wherein X is O or NR9, Y is CR1R2, —SO2, C?O or NR9; Z is CR1R2, O, S, —SO2 or NR9 and each G is independently a CR1CR2 and pharmaceutical compositions thereof. Said compounds are cathepsin cysteine protease inhibitors, including but not limited to, inhibitors of cathepsin K, L, S and B. These compounds are useful for treating and preventing cathepsin dependent conditions in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: January 6, 2005
    Publication date: July 9, 2009
    Inventors: Christopher Bayly, Sheldon N. Crane, Serge Leger
  • Publication number: 20090118296
    Abstract: Heteroaromatic compounds of structural formula (I) are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease; atherosclerosis; lipid disorders; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and fatty liver disease.
    Type: Application
    Filed: July 18, 2006
    Publication date: May 7, 2009
    Applicant: MERCK FROSST CANADA LTD.
    Inventors: Cameron Black, Denis Deschenes, Marc Gagnon, Nicolas Lachance, Yves LeBlanc, Serge Leger, Chun Sing Li, Renata M. Oballa
  • Publication number: 20080188529
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: April 8, 2008
    Publication date: August 7, 2008
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Publication number: 20080182838
    Abstract: Azacycloalkane derivatives of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis.
    Type: Application
    Filed: January 25, 2008
    Publication date: July 31, 2008
    Inventors: Yves Leblanc, David Powell, Yeeman K. Ramtohul, Serge Leger
  • Patent number: 7375134
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: May 20, 2008
    Assignees: Axys Pharmaceuticals, Inc., Merck Frosst Canada & Co.
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien
  • Publication number: 20050240023
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: February 28, 2003
    Publication date: October 27, 2005
    Inventors: Christopher Bayly, Cameron Black, Serge Leger, Chun Ku, Dan McKay, Christophe Mellon, Jacques Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien
  • Publication number: 20030232863
    Abstract: This invention relates to a novel class of compounds which are cysteine protease inhibitors, including but not limited to, inhibitors of cathepsins K, L, S and B. These compounds are useful for treating diseases in which inhibition of bone resorption is indicated, such as osteoporosis.
    Type: Application
    Filed: February 28, 2003
    Publication date: December 18, 2003
    Inventors: Christopher I. Bayly, Cameron Black, Serge Leger, Chun Sing Li, Dan McKay, Christophe Mellon, Jacques Yves Gauthier, Vouy-Linh Truong, Cheuk Lau, Michel Therien, Michael J. Green, Bernard L. Hirschbein, James William Janc, James T. Palmer, Chitra Baskaran
  • Patent number: 6486194
    Abstract: The present invention provides a method of treating a neurodegenerative disease and in particular Alzheimers disease which comprises administering to a human in need thereof a therapeutically effective amount of a non-steroid COX-II inhibitor.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 26, 2002
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Yves Ducharme, Jacques Yves Gauthier, Petpiboon Prasit, Yves Leblanc, Zhaoyin Wang, Serge Leger, Michel Therien
  • Patent number: 6329421
    Abstract: The invention encompasses the novel compound of Formula I as well as a method of treating cyclooxygenase-2 mediated diseases comprising administration to a patient in need of such treatment of a non-toxic therapeutically effective amount of a compound of Formula I. The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: December 11, 2001
    Assignee: Merck Frosst Canada & Co.
    Inventors: Petpiboon Prasit, Daniel Guay, Zhaoyin Wang, Serge Leger, Michel Therien