Patents by Inventor Sergey Tesler

Sergey Tesler 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: 12622952
    Abstract: Provided are pharmaceutical formulations comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: May 12, 2026
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné, Russell Gotschall, Hung V. Do
  • Publication number: 20250236592
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl) piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Application
    Filed: April 11, 2025
    Publication date: July 24, 2025
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler, James Cartwright, Clive King, Wendy Cross
  • Patent number: 12275703
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Grant
    Filed: June 26, 2023
    Date of Patent: April 15, 2025
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler, James Cartwright, Clive King, Wendy Cross
  • Patent number: 12246062
    Abstract: Provided are a recombinant acid ?-glucosidase and pharmaceutical composition comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa. Also provided herein are methods of producing, purifying, and formulating the recombinant acid ?-glucosidase or pharmaceutical composition for administration to a subject and methods of treating a disease or disorder such as Pompe disease using the recombinant acid ?-glucosidase or pharmaceutical composition.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: March 11, 2025
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Hung Do, Russell Gotschall, Richie Khanna, Yi Lun, Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné
  • Publication number: 20250057925
    Abstract: Provided are a recombinant acid ?-glucosidase and pharmaceutical composition comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa. Also provided herein are methods of producing, purifying, and formulating the recombinant acid ?-glucosidase or pharmaceutical composition for administration to a subject and methods of treating a disease or disorder such as Pompe disease using the recombinant acid ?-glucosidase or pharmaceutical composition.
    Type: Application
    Filed: November 11, 2024
    Publication date: February 20, 2025
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Hung V. Do, Russell Gotschall, Richie Khanna, Yi Lun, Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné
  • Publication number: 20240066104
    Abstract: Provided are pharmaceutical formulations comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.
    Type: Application
    Filed: November 7, 2022
    Publication date: February 29, 2024
    Inventors: Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné, Russell Gotschall, Hung V. Do
  • Publication number: 20230348388
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Application
    Filed: June 26, 2023
    Publication date: November 2, 2023
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler, James Cartwright, Clive King, Wendy Cross
  • Patent number: 11685718
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: June 27, 2023
    Assignee: Amicus Therapeutics, inc.
    Inventors: Kamlesh Sheth, Sergey Tesler, James Cartwright, Clive King, Wendy Cross
  • Patent number: 11491211
    Abstract: Provided are pharmaceutical formulations comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: November 8, 2022
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné, Russell Gotschall, Hung Do
  • Publication number: 20220194899
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 23, 2022
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler
  • Publication number: 20220185776
    Abstract: Provided are methods of producing a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of determining the purity of a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of distributing a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of assessing suitability of migalastat hydrochloride for medical use.
    Type: Application
    Filed: January 14, 2021
    Publication date: June 16, 2022
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler
  • Publication number: 20210393747
    Abstract: Provided are a recombinant acid ?-glucosidase and pharmaceutical composition comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa. Also provided herein are methods of producing, purifying, and formulating the recombinant acid ?-glucosidase or pharmaceutical composition for administration to a subject and methods of treating a disease or disorder such as Pompe disease using the recombinant acid ?-glucosidase or pharmaceutical composition.
    Type: Application
    Filed: May 15, 2018
    Publication date: December 23, 2021
    Inventors: Hung DO, Russell Gotschall, Richie Khanna, Yi Lun, Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné
  • Publication number: 20200171133
    Abstract: Provided are pharmaceutical formulations comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.
    Type: Application
    Filed: October 16, 2019
    Publication date: June 4, 2020
    Inventors: Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné, Russell Gotschall, Hung Do
  • Patent number: 10512676
    Abstract: Provided are pharmaceutical formulations comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: December 24, 2019
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné, Russell Gotschall, Hung Do
  • Patent number: 10117830
    Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: November 6, 2018
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
  • Publication number: 20180078497
    Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 22, 2018
    Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
  • Patent number: 9827189
    Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: November 28, 2017
    Assignee: Amicus Therapeautics, Inc.
    Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
  • Publication number: 20170333534
    Abstract: Provided are pharmaceutical formulations comprising a recombinant acid ?-glucosidase, wherein the recombinant acid ?-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.
    Type: Application
    Filed: March 30, 2017
    Publication date: November 23, 2017
    Inventors: Hing Char, Sergey Tesler, Wendy Sunderland, Enrique Diloné
  • Publication number: 20150352042
    Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.
    Type: Application
    Filed: January 9, 2014
    Publication date: December 10, 2015
    Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone