Patents Assigned to XenoPort, Inc.
  • Patent number: 8378137
    Abstract: Methods for synthesis of 1-(acyloxy)-alkyl carbamates, particularly, the synthesis of 1-(acyloxy)-alkyl carbamate prodrugs of primary or secondary amine-containing drugs are described. Also described are methods for synthesis of 1-(acyloxy)-alkyl N-hydroxysuccinimidyl carbonates which are useful intermediates in the synthesis of 1-(acyloxy)-alkyl carbamates are also described.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: February 19, 2013
    Assignee: XenoPort, Inc.
    Inventors: Mark A. Gallop, Xuedong Dai, Randall A. Scheuerman, Stephen P. Raillard, Suresh K. Manthati, Fenmei Yao, Thu Phan, Maria Ludwikow, Ge Peng, Seema Bhat
  • Publication number: 20130041026
    Abstract: Crystalline (3R)-4-{[(1S)-2-methyl-1-(2-methylpropanoyloxy)propoxy]carbonylamino}-3-(4-chlorophenyl)butanoic acid anhydrate and crystalline (3R)-4-{[(1S)-2-methyl-1-(2-methylpropanoyloxy)propoxy]carbonylamino}-3-(4-chlorophenyl)butanoic acid hemihydrate, pharmaceutical compositions comprising such compounds, methods of making and methods of using the same are disclosed.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 14, 2013
    Applicant: XENOPORT, INC.
    Inventors: Stephen P. Raillard, Suresh K. Manthati, Sudhir Joshi
  • Patent number: 8372881
    Abstract: Acyloxyalkyl carbamate prodrugs of trans-4-(aminomethyl)-cyclohexanecarboxylic acid, pharmaceutical compositions thereof, methods of making prodrugs of trans-4-(aminomethyl)-cyclohexane-carboxylic acid, and methods of using prodrugs of trans-4-(aminomethyl)-cyclohexanecarboxylic acid and pharmaceutical compositions thereof to treat or prevent various diseases or disorders are disclosed. Acyloxyalkyl carbamate prodrugs of trans-4-(aminomethyl)-cyclohexanecarboxylic acid and pharmaceutical compositions thereof suitable for oral and topical administration and for administration using sustained release dosage forms are also disclosed.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: February 12, 2013
    Assignee: XenoPort, Inc.
    Inventors: Noa Zerangue, Bernd Jandeleit, Yunxiao Li, Mark A. Gallop
  • Patent number: 8367722
    Abstract: The present invention provides prodrugs of GABA analogs, pharmaceutical compositions of prodrugs of GABA analogs and methods for making prodrugs of GABA analogs. The present invention also provides methods for using prodrugs of GABA analogs and methods for using pharmaceutical compositions of prodrugs of GABA analogs for treating or preventing common diseases and/or disorders.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: February 5, 2013
    Assignee: Xenoport, Inc.
    Inventors: Mark A. Gallop, Kenneth C. Cundy, Cindy X. Zhou, Fenmei Yao, Jia-Ning Xiang
  • Patent number: 8344028
    Abstract: Gamma-amino-butyric acid derivatives that are GABAB receptor ligands, pharmaceutical compositions comprising such derivatives, and methods of using such derivatives and pharmaceutical compositions thereof for treating diseases are disclosed.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: January 1, 2013
    Assignee: XenoPort, Inc.
    Inventors: Feng Xu, Mark A. Gallop, Ge Peng, Thu Phan, Usha Dilip, David J. Wustrow
  • Patent number: 8324273
    Abstract: Catechol protected levodopa diester prodrugs pharmaceutical, compositions comprising catechol protected levodopa diester prodrugs, and methods of using such prodrugs and pharmaceutical compositions for treating diseases such as Parkinson's disease are provided.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: December 4, 2012
    Assignee: XenoPort, Inc.
    Inventors: Jia-Ning Xiang, Cindy X. Zhou, Fenmei Yao, Mark Q. Nguyen
  • Patent number: 8324272
    Abstract: Levodopa dimethyl-substituted diester prodrugs pharmaceutical, compositions comprising levodopa dimethyl-substituted diester prodrugs, and methods of using such prodrugs and pharmaceutical compositions for treating diseases such as Parkinson's disease are provided.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: December 4, 2012
    Assignee: XenoPort, Inc.
    Inventors: Jia-Ning Xiang, Cindy X. Zhou, Fenmei Yao, Mark Q. Nguyen
  • Publication number: 20120296109
    Abstract: (2R)-2-Phenylcarbonyloxypropyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoate mesylate and crystalline form thereof, methods of making the same, pharmaceutical compositions thereof, and methods of using the same to treat diseases or disorders such as Parkinson's disease are provided.
    Type: Application
    Filed: May 16, 2012
    Publication date: November 22, 2012
    Applicant: XenoPort, Inc.
    Inventors: Jia-Ning Xiang, Xuedong Dai, Cindy X. Zhou, Jianhua Li, Mark Q. Nguyen
  • Patent number: 8299291
    Abstract: The present disclosure relates to methods of synthesizing 1-(acyloxy)-alkyl carbamate prodrugs and to intermediates used in the methods.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: October 30, 2012
    Assignees: XenoPort, Inc., Glaxo Group Limited
    Inventors: Stephen P. Raillard, Suresh K. Manthati, Peng Liu, Qunying Dai, Hao Yin
  • Patent number: 8258179
    Abstract: A crystalline form of a (3S)-aminomethyl-5-hexanoic acid prodrug and methods of preparing a crystalline form of a (3S)-aminomethyl-5-hexanoic acid prodrug, and methods of using a crystalline form of a (3S)-aminomethyl-5-hexanoic acid prodrug are provided.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: September 4, 2012
    Assignee: XenoPort, Inc.
    Inventors: Fenmei Yao, Mark A. Gallop, Ronald W. Barrett, Peter A. Virsik
  • Publication number: 20120190861
    Abstract: Prodrugs of levodopa, methods of making prodrugs of levodopa, methods of using prodrugs of levodopa, and compositions of prodrugs of levodopa are disclosed.
    Type: Application
    Filed: April 5, 2012
    Publication date: July 26, 2012
    Applicant: XenoPort, Inc.
    Inventors: Jia-Ning Xiang, Mark A. Gallop, Cindy X. Zhou, Mark Nguyen, Xuedong Dai, Jianhua Li, Kenneth C. Cundy, Nelson L. Jumbe
  • Publication number: 20120157523
    Abstract: Prodrugs of methyl hydrogen fumarate, pharmaceutical compositions comprising prodrugs of methyl hydrogen fumarate, and methods of using prodrugs of methyl hydrogen fumarate and pharmaceutical compositions thereof for treating diseases such as psoriasis, asthma, multiple sclerosis, inflammatory bowel disease, and arthritis are disclosed.
    Type: Application
    Filed: October 14, 2011
    Publication date: June 21, 2012
    Applicant: XenoPort, Inc.
    Inventors: Archana Gangakhedkar, Xuedong Dai, Noa Zerangue, Peter A. Virsik
  • Patent number: 8202852
    Abstract: Membrane permeable prodrugs of creatine phosphate analogs, pharmaceutical compositions comprising membrane permeable prodrugs of creatine phosphate analogs, and methods of treating diseases such as ischemia, heart failure, and neurodegenerative disorders comprising administering prodrugs of creatine phosphate analogs, or pharmaceutical compositions thereof are disclosed.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: June 19, 2012
    Assignee: XenoPort, Inc.
    Inventors: Noa Zerangue, Qingzhi Gao, William J. Dower
  • Patent number: 8193242
    Abstract: (2R)-2-Phenylcarbonyloxypropyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoate mesylate and crystalline form thereof, methods of making the same, pharmaceutical compositions thereof, and methods of using the same to treat diseases or disorders such as Parkinson's disease are provided.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: June 5, 2012
    Assignee: XenoPort, Inc.
    Inventors: Jia-Ning Xiang, Xuedong Dai, Cindy X. Zhou, Jianhua Li, Mark Q. Nguyen
  • Patent number: 8168617
    Abstract: Pantoic acid ester neopentyl sulfonyl ester prodrugs of acamprosate, pharmaceutical compositions comprising such prodrugs, and methods of using such prodrugs and compositions thereof for treating diseases are disclosed. In particular, acamprosate prodrugs exhibiting enhanced oral bioavailability and methods of using acamprosate prodrugs to treat neurodegenerative disorders, psychotic disorders, mood disorders, anxiety disorders, somatoform disorders, movement disorders, substance abuse disorders, binge eating disorder, cortical spreading depression related disorders, tinnitus, sleeping disorders, multiple sclerosis, and pain are disclosed.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: May 1, 2012
    Assignee: XenoPort, Inc.
    Inventors: Bernd Jandeleit, Yunxiao Li, Mark A. Gallop, Noa Zerangue, Peter A. Virsik, Wolf-Nicolas Fischer
  • Patent number: 8168623
    Abstract: The present invention provides prodrugs of GABA analogs, pharmaceutical compositions of prodrugs of GABA analogs and methods for making prodrugs of GABA analogs. The present invention also provides methods for using prodrugs of GABA analogs and methods for using pharmaceutical compositions of prodrugs of GABA analogs for treating or preventing common diseases and/or disorders.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: May 1, 2012
    Assignee: XenoPort, Inc.
    Inventors: Mark A. Gallop, Kenneth C. Cundy, Cindy X. Zhou, Fenmei Yao, Jia-Ning Xiang, Ian R. Ollman, Fayang G. Qiu
  • Patent number: 8163958
    Abstract: Prodrugs of levodopa, methods of making prodrugs of levodopa, methods of using prodrugs of levodopa, and compositions of prodrugs of levodopa are disclosed.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: April 24, 2012
    Assignee: Xenoport, Inc.
    Inventors: Jia-Ning Xiang, Mark A. Gallop, Cindy X. Zhou, Mark Nguyen, Xuedong Dai, Jianhua Li, Kenneth C. Cundy, Nelson L. Jumbe
  • Publication number: 20120095003
    Abstract: Prodrugs of methyl hydrogen fumarate, pharmaceutical compositions comprising prodrugs of methyl hydrogen fumarate, and methods of using prodrugs of methyl hydrogen fumarate and pharmaceutical compositions thereof for treating diseases such as psoriasis, asthma, multiple sclerosis, inflammatory bowel disease, and arthritis are disclosed.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 19, 2012
    Applicant: XenoPort, Inc.
    Inventors: Archana Gangakhedkar, Xuedong Dai, Noa Zerangue, Peter A. Virsik
  • Publication number: 20120082645
    Abstract: The present disclosure provides 2?-C-methyl-ribofuranosyl cytidine prodrugs, methods of making 2?-C-methyl-ribofuranosyl cytidine prodrugs, pharmaceutical compositions of 2?-C-methyl-ribofuranosyl cytidine prodrugs, and methods of using 2?-C-methyl-ribofuranosyl cytidine prodrugs and pharmaceutical compositions thereof to treat viral diseases such as hepatitis C.
    Type: Application
    Filed: November 4, 2011
    Publication date: April 5, 2012
    Applicant: XENOPORT, INC.
    Inventor: Mark A. Gallop
  • Patent number: 8148414
    Abstract: Prodrugs of methyl hydrogen fumarate, pharmaceutical compositions comprising prodrugs of methyl hydrogen fumarate, and methods of using prodrugs of methyl hydrogen fumarate and pharmaceutical compositions thereof for treating diseases such as psoriasis, asthma, multiple sclerosis, inflammatory bowel disease, and arthritis are disclosed.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: April 3, 2012
    Assignee: XenoPort, Inc.
    Inventors: Archana Gangakhedkar, Xuedong Dai, Noa Zerangue, Peter A. Virsik