Patents by Inventor Bruce Lefker

Bruce Lefker 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).

  • Publication number: 20260184722
    Abstract: The present invention provides compounds of formula I, compositions thereof, and methods of using the same for the inhibition of SIK2 and the treatment of SIK2-mediated disorders.
    Type: Application
    Filed: December 30, 2025
    Publication date: July 2, 2026
    Inventors: Derun Li, Leela Dodda, Scott D. Edmondson, Nathan E. Genung, Alan Graves, Neelu Kaila, Daniel Joseph Price, Ivan V. Sergeyer, Md Munan Shaik, Sekhar Surapaneni, Sebastien Campos, Russell George Dushin, Bruce Lefker, Steffen Gressies, Nikolay Sitnikov
  • Patent number: 12503475
    Abstract: The present disclosure relates to compounds of Formula (I?): and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for modulating orexin receptor activity and may be used in the treatment of disorders in which orexin receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or a complication in emergence from anaesthesia.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: December 23, 2025
    Assignee: CENTESSA PHARMACEUTICALS (UK) LIMITED
    Inventors: Bruce Lefker, Karl Gibson, Matthew Spendiff, Paul Humphries, Sarah Bucknell, Wojciech Zawodny, Roderick Alan Porter
  • Publication number: 20250289828
    Abstract: The present disclosure relates to compounds of Formula (I?): and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for modulating orexin-2 receptor activity and may be used in the treatment of disorders in which orexin-2 receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or facilitating emergence from anaesthesia.
    Type: Application
    Filed: April 11, 2025
    Publication date: September 18, 2025
    Inventors: Gregory R. OTT, Karl GIBSON, Bruce LEFKER, Paul HUMPHRIES, Matthew SPENDIFF
  • Publication number: 20250236629
    Abstract: The present disclosure relates to compounds of Formula (I?): and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for modulating orexin-2 receptor activity and may be used in the treatment of disorders in which orexin-2 receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or facilitating emergence from anaesthesia.
    Type: Application
    Filed: August 28, 2024
    Publication date: July 24, 2025
    Inventors: Gregory R. OTT, Karl GIBSON, Bruce LEFKER, Paul HUMPHRIES, Matthew SPENDIFF
  • Publication number: 20250100968
    Abstract: The present disclosure relates to compounds of Formula (I?): and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for modulating orexin receptor activity and may be used in the treatment of disorders in which orexin receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or a complication in emergence from anaesthesia.
    Type: Application
    Filed: August 28, 2024
    Publication date: March 27, 2025
    Inventors: Gregory R. OTT, Karl GIBSON, Bruce LEFKER, Paul HUMPHRIES
  • Publication number: 20230331720
    Abstract: The present disclosure relates to compounds of Formula (I?): and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for modulating orexin-2 receptor activity and may be used in the treatment of disorders in which orexin-2 receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or facilitating emergence from anaesthesia.
    Type: Application
    Filed: September 3, 2021
    Publication date: October 19, 2023
    Inventors: Bruce LEFKER, Gordon SAXTY, Karl GIBSON, Mark PICKWORTH, Matthew SPENDIFF, Miles Stuart CONGREVE, Paul HUMPHRIES
  • Publication number: 20230271973
    Abstract: The present disclosure relates to compounds of Formula (I?): and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for modulating orexin receptor activity and may be used in the treatment of disorders in which orexin receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or a complication in emergence from anaesthesia.
    Type: Application
    Filed: September 3, 2021
    Publication date: August 31, 2023
    Inventors: Bruce LEFKER, Karl GIBSON, Matthew SPENDIFF, Paul HUMPHRIES, Sarah BUCKNELL, Wojciech ZAWODNY, Roderick Alan PORTER
  • Patent number: 8383660
    Abstract: Dibenzyl amine compounds and derivatives of Formula I, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases in some mammals, including humans.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: February 26, 2013
    Assignee: Pfizer Inc.
    Inventors: George Chang, Ravi S. Garigipati, Bruce Lefker, David A. Perry
  • Patent number: 7919506
    Abstract: Dibenzyl amine compounds and derivatives, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases in some mammals, including humans.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: April 5, 2011
    Assignee: Pfizer Inc.
    Inventors: George Chang, Ravi S. Garigipati, Bruce Lefker, David A. Perry, Dongxiang Zeng
  • Publication number: 20090239865
    Abstract: Dibenzyl amine compounds and derivatives, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases in some mammals, including humans.
    Type: Application
    Filed: November 21, 2005
    Publication date: September 24, 2009
    Inventors: George Chang, Mary Didiuk, Peter Dorff, Ravi Garigipati, Wenhua Jiao, Bruce Lefker, David Perry, Roger Ruggeri, Toby Underwood
  • Publication number: 20080064745
    Abstract: The present invention is directed to the compound 4-(2-methoxy-phenoxy)-2-trifluoromethyl-benzonitrile, is use as an androgen modulator and to pharmaceutical compositions containing this compound.
    Type: Application
    Filed: August 5, 2005
    Publication date: March 13, 2008
    Applicant: WARNER-LAMBERT COMPANY LLC
    Inventors: Bruce Lefker, Yvonne Smith
  • Publication number: 20080045504
    Abstract: This invention relates to novel amino substituted benzonitrile derivatives and to pharmaceutical compositions containing the novel amino substituted benzonitrile derivatives. This invention also relates to methods of treatment using amino substituted benzonitrile derivatives to prevent and/or restore age-related decline in muscle mass and strength, treat a wasting disease, treat a condition that prevents with low bone mass, increase muscle mass, increase lean body mass, decrease fat body mass, and treat bone fracture and muscle damage in mammals, including humans.
    Type: Application
    Filed: April 29, 2005
    Publication date: February 21, 2008
    Applicant: PFIZER PRODUCTS INC.
    Inventors: Thomas Gant, Bruce Lefker, Hua Ke, James O'Malley, Roger Hill
  • Publication number: 20070213371
    Abstract: Dibenzyl amine compounds and derivatives, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases in some mammals, including humans.
    Type: Application
    Filed: January 3, 2007
    Publication date: September 13, 2007
    Inventors: George Chang, Ravi S. Garigipati, Bruce Lefker, David A. Perry, Dongxiang Zeng
  • Publication number: 20070213314
    Abstract: Dibenzyl amine compounds and derivatives, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases in some mammals, including humans.
    Type: Application
    Filed: January 3, 2007
    Publication date: September 13, 2007
    Inventors: George Chang, Ravi S. Garigipati, Bruce Lefker, David A. Perry
  • Publication number: 20070197641
    Abstract: The present invention is directed to a new class of 4-cyano-phenoxy-alkyl carboxyl derivatives and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth.
    Type: Application
    Filed: April 1, 2005
    Publication date: August 23, 2007
    Inventors: Lain-Yen Hu, Huangshu Lei, Daniel Du, Bruce Lefker, Yvonne Smith, Victor Fedij
  • Publication number: 20070197642
    Abstract: The present invention is directed to a class of 4-cyano-phenoxy derivatives of formula I and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth.
    Type: Application
    Filed: April 15, 2005
    Publication date: August 23, 2007
    Inventors: Lain-Yen Hu, Huangshu Lei, Daniel Du, Bruce Lefker
  • Publication number: 20070072936
    Abstract: The present invention is directed to a new class of benzonitriles and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth.
    Type: Application
    Filed: November 7, 2006
    Publication date: March 29, 2007
    Applicant: WARNER-LAMBERT COMPANY LLC
    Inventors: Stephen Barrett, Victor Fedij, Lain-Yen Hu, Donna Iula, Bruce Lefker, Raj Raheja, Karen Sexton, Jennifer Van Camp
  • Publication number: 20060252796
    Abstract: The present invention is directed to a new class of benzonitriles and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth.
    Type: Application
    Filed: May 2, 2006
    Publication date: November 9, 2006
    Inventors: Stephen Barrett, Victor Fedij, Lain-Yen Hu, Donna Iula, Bruce Lefker, Raj Raheja, Karen Sexton, Jennifer Van Camp
  • Publication number: 20060247254
    Abstract: 6,7-Dihydro-5H-cyclopenta[b]pyridine and 5,6,7,8-tetrahydroquinoline compounds of Formula (I), including salts, hydrates and solvates thereof, that act as 5-HT2 receptor ligands and their uses in the treatment of diseases linked to the activation of 5-HT2c receptors are described herein.
    Type: Application
    Filed: March 31, 2006
    Publication date: November 2, 2006
    Inventors: Bruce Lefker, Kevin Liu, Hou Chen, Steven Coffey
  • Publication number: 20060009427
    Abstract: The present invention is directed to a new class of 4-cycloalkoxy benzonitriles and to their use as androgen receptor modulators. Other aspects of the invention are directed to the use of these compounds to decrease excess sebum secretions and to stimulate hair growth.
    Type: Application
    Filed: July 5, 2005
    Publication date: January 12, 2006
    Inventors: Lain-Yen Hu, Bruce Lefker, Daniel Du, Yvonne Smith, Huangshu Lei, William Harter, Victoria Downs, Mark Boys, Donna Iula