Patents by Inventor Dilrukshi Vitharana

Dilrukshi Vitharana 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).

  • COMPOUNDS FOR THE INDUCTION OF ANTIGEN-SPECIFIC IMMUNE TOLERANCE
    Publication number: 20230069712
    Abstract: Disclosed are compounds for the induction of antigen-specific immune tolerance in a subject, the compounds comprising an antigen, a polymeric linker and a liver targeting moiety, wherein the polymeric linker comprises a terminal end unit lacking each of a dithioester and a dithiobenzoate and wherein the terminal end unit confers improved stability to the compound when in solution.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 2, 2023
    Inventors: Stephan Kontos, Dilrukshi Vitharana, Sergey A. Isarov
  • Thiazole-substituted aminoheteroaryls as Spleen Tyrosine Kinase inhibitors
    Patent number: 9670196
    Abstract: The invention provides certain thiazole-substituted aminoheteroaryl compounds of the Formula (I) (I), or pharmaceutically acceptable salts thereof, wherein ring R1, R2, R3, R4, ring A, and the subscripts n1, n2, and r are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk).
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: June 6, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Thomas A. Miller, Alessia Petrocchi, Eric T. Romeo, Dilrukshi Vitharana, Solomon D. Kattar, Alan B. Northrup, Michael D. Altman, Neville J. Anthony
  • Thiazole-substituted aminopyridines as spleen tyrosine kinase inhibitors
    Patent number: 9598405
    Abstract: The invention provides certain thiazole-substituted aminopyridine compounds of the Formula (I) (I) or pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6, Cy, and the subscript t are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk).
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: March 21, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Michael D. Altman, Brian M. Andresen, Kenneth L. Arrington, Kaleen Konrad Childers, Maria Emilia Di Francesco, John Michael Ellis, Andrew M. Haidle, Yuan Liu, Alan B. Northrup, Brendan O'Boyle, Ryan D. Otte, Michael H. Reutershan, Dilrukshi Vitharana, Hyun Chong Woo
  • Triazolyl derivatives as Syk inhibitors
    Patent number: 9586931
    Abstract: Provided are triazole derivatives of Formula I which are potent inhibitors of spleen tyrosine kinase and pharmaceutical composition. The triazole derivatives are useful in the treatment and prevention of diseases mediated by said enzyme, such as asthma, COPD, rheumatoid arthritis, and cancer.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: March 7, 2017
    Assignees: Merck Sharp & Dohme Corp., Merck Canada Inc.
    Inventors: Michelle R. Machacek, Eric T. Romeo, Solomon D. Kattar, Matthew Christopher, Michael D. Altman, Alan B. Northrup, John Michael Ellis, Brendan O'Boyle, Anthony Donofrio, Jonathan Grimm, Michael H. Reutershan, Kaleen Konrad Childers, Ryan D. Otte, Brandon Cash, Yves Ducharme, Andrew M. Haidle, Kerrie Spencer, Dilrukshi Vitharana, Lingyun Wu, Li Zhang, Peng Zhang, Christian Beaulieu, Daniel Guay
  • THIAZOLE-SUBSTITUTED AMINOHETEROARYLS AS SPLEEN TYROSINE KINASE INHIBITORS
    Publication number: 20160326156
    Abstract: The invention provides certain thiazole-substituted aminoheteroaryl compounds of the Formula (I) (I), or pharmaceutically acceptable salts thereof, wherein ring R1, R2, R3, R4, ring A, and the subscripts n1, n2, and r are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk).
    Type: Application
    Filed: December 18, 2014
    Publication date: November 10, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Thomas A. Miller, Alessia Petrocchi, Eric T. Romeo, Dilrukshi Vitharana, Solomon D. Kattar, Alan B. Northrup, Michael D. Altman, Neville J. Anthony
  • Pyrazolyl derivatives as Syk inhibitors
    Patent number: 9242984
    Abstract: The present invention provides novel pyrazole derivatives of formula I which are potent inhibitors of spleen tyrosine kinase, and are useful in the treatment and prevention of diseases mediated by said enzyme, such as asthma, COPD, rheumatoid arthritis, and cancer.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: January 26, 2016
    Assignees: Merck Sharp & Dohme Corp., Merck Canada Inc.
    Inventors: Michelle R. Machacek, Michael D. Altman, Eric T. Romeo, Dilrukshi Vitharana, Brandon Cash, Tony Siu, Hua Zhou, Matthew Christopher, Solomon D. Kattar, Andrew M. Haidle, Kaleen Konrad Childers, Matthew L. Maddess, Michael H. Reutershan, Yves Ducharme, David J. Guerin, Kerrie Spencer, Christian Beaulieu, Vouy Linh Truong, Daniel Guay, Alan B. Northrup, Brandon M. Taoka, Jongwon Lim, Christian Fischer, John W. Butcher, Ryan D. Otte, Binyuan Sun, John Michael Ellis
  • Pyrazolo[1,5-a]pyrimidine compounds as mTOR inhibitors
    Patent number: 9227971
    Abstract: The present invention provides Pyrazolopyrimidine Compounds of Formula (I): wherein L, T, Z, U, V, W, R3, R6, R7, R8, and m are as defined herein, and pharmaceutically acceptable salts of such Pyrazolopyrimidine Compounds. The Pyrazolopyrimidine Compounds are useful in the treatment of cancer and other diseases or disorders wherein mTOR is deregulated.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: January 5, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: M. Arshad Siddiqui, Yang Nan, Mehul F. Patel, Panduranga Adulla P. Reddy, Umar Faruk Mansoor, Zhaoyang Meng, Lalanthi Dilrukshi Vitharana, Lianyun Zhao, Amit K. Mandal, Duan Liu, Shuyi Tang, Andrew McRiner, David B. Belanger, Patrick J. Curran, Chaoyang Dai, Angie R. Angeles, Liping Yang, Matthew Hersh Daniels
  • THIAZOLE-SUBSTITUTED AMINOPYRIDINES AS SPLEEN TYROSINE KINASE INHIBITORS
    Publication number: 20150353535
    Abstract: The invention provides certain thiazole-substituted aminopyridine compounds of the Formula (I) (I) or pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6, Cy, and the subscript t are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk).
    Type: Application
    Filed: December 19, 2013
    Publication date: December 10, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Michael D. Altman, Brian M. Andresen, Kenneth L. Arrington, Kaleen Konrad Childers, Maria Emilia Di Francesco, John Michael Ellis, Andrew M. Haidle, Yuan Liu, Alan B. Northrup, Brendan O'Boyle, Ryan D. Otte, Michael H. Reutershan, Dilrukshi Vitharana, Hyun Chong Woo
  • TRIAZOLYL DERIVATIVES AS SYK INHIBITORS
    Publication number: 20150239866
    Abstract: Provided are triazole derivatives of Formula I which are potent inhibitors of spleen tyrosine kinase and pharmaceutical composition. The triazole derivatives are useful in the treatment and prevention of diseases mediated by said enzyme, such as asthma, COPD, rheumatoid arthritis, and cancer.
    Type: Application
    Filed: September 24, 2013
    Publication date: August 27, 2015
    Applicants: MERCK CANADA INC., MERCK SHARP & DOHME CORP.
    Inventors: Michelle R. MACHACEK, Eric T. ROMEO, Solomon D. KATTAR, Matthew CHRISTOPHER, Michael D. ALTMAN, Alan B. NORTHRUP, John Michael ELLIS, Brendan O BOYLE, Anthony DONOFRIO, Jonathan GRIMM, Michael H. REUTERSHAN, Kaleen Konrad CHILDERS, Ryan D. OTTE, Brandon CASH, Yves DUCHARME, Andrew M. HAIDLE, Kerrie SPENCER, Dilrukshi VITHARANA, Lingyun WU, Li ZHANG, Peng ZHANG, Christian BEAULIEU, Daniel GUAY
  • PYRAZOLYL DERIVATIVES AS SYK INHIBITORS
    Publication number: 20150191461
    Abstract: The present invention provides novel pyrazole derivatives of formula I which are potent inhibitors of spleen tyrosine kinase, and are useful in the treatment and prevention of diseases mediated by said enzyme, such as asthma, COPD, rheumatoid arthritis, and cancer.
    Type: Application
    Filed: June 18, 2013
    Publication date: July 9, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Michelle R. Machacek, Michael D. Altman, Eric T. Romeo, Dilrukshi Vitharana, Brandon Cash, Tony Siu, Matthew Christopher, Solomon D. Kattar, Andrew M. Haidle, Kaleen Konrad Childers, Matthew L. Maddess, Michael H. Reutershan, Yves Ducharme, David J. Guerin, Kerrie Spencer, Christian Beaulieu, Vouy Linh Truong, Daniel Guay, Alan B. Northrup, Brandon M. Taoka, Jongwon Lim, Christian Fischer, John W. Butcher, Ryan D. Otte, Binyuan Sun, John Michael Ellis
  • Substituted pyrazolo[1,5-a]pyrimidines as mTOR inhibitors
    Patent number: 8883801
    Abstract: The present invention relates to certain pyrazolo[1,5-a]pyrimidine compounds of Formula (I) as inhibitors of mammalian Target Of Rapamycin (mTOR) kinase, which is also known as FRAP, RAFT, RAPT or SEP. The compounds may be used in the treatment of cancer and other disorders where mTOR is deregulated. The present invention further provides pharmaceutical compositions comprising the pyrazolo[1,5-a]pyrimidine compounds.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: November 11, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Lianyun Zhao, Duan Liu, Shuyi Tang, Amit K. Mandal, Umar Faruk Mansoor, Lalanthi Dilrukshi Vitharana, Panduranga Adulla P. Reddy, M. Arshad Siddiqui
  • Compounds for inhibiting KSP kinesin activity
    Patent number: 8796460
    Abstract: The present invention relates to compounds of Formula (I), below, (wherein X, R1, R2, R3, p, E, ring A, and ring B are as defined herein). The present invention also relates to compositions (including pharmaceutically acceptable compositions) comprising these compounds, alone and in combination with one or more additional therapeutic agents, and to methods for their use in inhibiting KSP kinesin activity, and for treating cellular proliferative diseases or disorders associated with KSP kinesin activity.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: August 5, 2014
    Assignee: Mercky Sharp & Dohme Corp.
    Inventors: M. Arshad Siddiqui, Chaoyang Dai, Umar Faruk Mansoor, Liping Yang, Lalalnthi Dilrukshi Vitharana, Angie R. Angeles
  • NOVEL PYRAZOLO[1,5-a]PYRIMIDINE DERIVATIVES AS mTOR INHIBITORS
    Publication number: 20130150362
    Abstract: The present invention relates to certain pyrazolo[1,5-a]pyrimidine compounds of Formula (I) as inhibitors of mammalian Target Of Rapamycin (mTOR) kinase, which is also known as FRAP, RAFT, RAPT or SEP. The compounds may be used in the treatment of cancer and other disorders where mTOR is deregulated. The present invention further provides pharmaceutical compositions comprising the pyrazolo[1,5-a]pyrimidine compounds.
    Type: Application
    Filed: August 22, 2011
    Publication date: June 13, 2013
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Lianyun Zhao, Duan Liu, Shuyi Tang, Amit K. Mandal, Umar Faruk Mansoor, Lalanthi Dilrukshi Vitharana, Panduranga Adulla P. Reddy, M. Arshad Siddiqui
  • PYRAZOLO[1,5-a]PYRIMIDINE COMPOUNDS AS mTOR INHIBITORS
    Publication number: 20120322791
    Abstract: The present invention provides Pyrazolopyrimidine Compounds of Formula (I): wherein L, T, Z, U, V, W, R3, R6, R7, R8, and m are as defined herein, and pharmaceutically acceptable salts of such Pyrazolopyrimidine Compounds. The Pyrazolopyrimidine Compounds are useful in the treatment of cancer and other diseases or disorders wherein mTOR is deregulated.
    Type: Application
    Filed: January 18, 2011
    Publication date: December 20, 2012
    Inventors: M. Arshad Siddiqui, Yang Nan, Mehul F. Patel, Panduranga Adulla P. Reddy, Umar Faruk Mansoor, Zhaoyang Meng, Lalanthi Dilrukshi Vitharana, Lianyun Zhao, Amit K. Mandal, Duan Liu, Shuyi Tang, Andrew McRiner, David B. Belanger, Patrick J. Curran, Chaoyang Dai, Angie R. Angeles, Liping Yang, Matthew Hersh Daniels
  • Alpha carbolines and uses thereof
    Patent number: 8101604
    Abstract: This invention provides alpha-carboline compounds of formula I: wherein R1, R2, R3, R4, R5, and x are as described in the specification. The compounds are useful for treating inflammatory diseases and cancer.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: January 24, 2012
    Assignee: Millennium Pharmaceuticals, Inc.
    Inventors: Michael E. Hepperle, Julie Fields Liu, R. Scott Rowland, Dilrukshi Vitharana
  • COMPOUNDS FOR INHIBITING KSP KINESIN ACTIVITY
    Publication number: 20110171172
    Abstract: The present invention relates to compounds of Formula (I), below, (wherein R1, R2, R3, p, E, ring A, and ring B are as defined herein). The present invention also relates to compositions (including pharmaceutically acceptable compositions) comprising these compounds, alone and in combination with one or more additional therapeutic agents, and to methods for their use in inhibiting KSP kinesin activity, and for treating cellular proliferative diseases or disorders associated with KSP kinesin activity.
    Type: Application
    Filed: October 16, 2008
    Publication date: July 14, 2011
    Inventors: M. Arshad Siddiqui, Chaoyang Dai, Umar Faruk Mansoor, Liping Yang, Lalalnthi Dilrukshi Vitharana
  • COMPOUNDS FOR INHIBITING KSP KINESIN ACTIVITY
    Publication number: 20110150757
    Abstract: The present invention relates to compounds of Formula (I), below, (wherein R1, R2, R3, R27, R28, R29, p, E, ring A, and ring B are as defined herein). The present invention also relates to compositions (including pharmaceutically acceptable compositions) comprising these compounds, alone and in combination with one or more additional therapeutic agents, and to methods for their use in inhibiting KSP kinesin activity, and for treating cellular proliferative diseases or disorders associated with KSP kinesin activity.
    Type: Application
    Filed: October 16, 2008
    Publication date: June 23, 2011
    Inventors: M. Arshad Siddiqui, Chaoyang Dai, Umar Faruk Mansoor, Liping Yang, Lalalnthi Dilrukshi Vitharana, Angie R. Angeles
  • COMPOUNDS FOR INHIBITING KSP KINESIN ACTIVITY
    Publication number: 20110123435
    Abstract: The present invention relates to compounds of Formula (I), below, (wherein X, R1, R2, R3, p, E, ring A, and ring B are as defined herein). The present invention also relates to compositions (including pharmaceutically acceptable compositions) comprising these compounds, alone and in combination with one or more additional therapeutic agents, and to methods for their use in inhibiting KSP kinesin activity, and for treating cellular proliferative diseases or disorders associated with KSP kinesin activity.
    Type: Application
    Filed: October 16, 2008
    Publication date: May 26, 2011
    Inventors: M. Arshad Siddiqui, Chaoyang Dai, Umar Faruk Mansoor, Liping Yang, Lalalnthi Dilrukshi Vitharana, Angie R. Angeles
  • ALPHA CARBOLINES AND USES THEREOF
    Publication number: 20100311715
    Abstract: This invention provides alpha-carboline compounds of formula I: wherein R1, R2, R3, R4, R5, and x are as described in the specification. The compounds are useful for treating inflammatory diseases and cancer.
    Type: Application
    Filed: August 19, 2010
    Publication date: December 9, 2010
    Applicant: Millennium Pharmaceuticals, Inc.
    Inventors: Michael E. Hepperle, Julie Fields Liu, R. Scott Rowland, Dilrukshi Vitharana
  • Alpha carbolines and uses thereof
    Patent number: 7812018
    Abstract: This invention provides alpha-carboline compounds of formula I: wherein R1, R2, R3, R4, R5, and x are as described in the specification. The compounds are useful for treating inflammatory diseases and cancer.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: October 12, 2010
    Assignee: Millennium Pharmaceuticals, Inc.
    Inventors: Michael E. Hepperle, Julie Fields Liu, R. Scott Rowland, Dilrukshi Vitharana