Patents by Inventor Leon Zakrzewski

Leon Zakrzewski 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: 20230181675
    Abstract: There is provided, inter alia, an aqueous liquid pharmaceutical formulation comprising (i) a fast acting insulin analogue; (ii) ionic zinc; and (ill) citrate, said formulation being substantially free of a zinc binding species having a logK with respect to zinc ion binding of greater than 12.3 at 25° C.; for use in the treatment of a human subject suffering from diabetes mellitus by administration by subcutaneous injection or subcutaneous infusion at or close to a meal-time wherein the administration of 0.3 U/kg of the formulation leads to one or more specified pharmacokinetic and/or pharmacodynamic parameters.
    Type: Application
    Filed: April 1, 2021
    Publication date: June 15, 2023
    Inventors: David GERRING, Sarah HOWELL, Jan JEZEK, Leon ZAKRZEWSKI
  • Publication number: 20220184213
    Abstract: According to the invention there is provided inter alia an aqueous liquid pharmaceutical formulation comprising insulin or an insulin analogue, ionic zinc, a chelating agent and polysorbate 80.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: David GERRING, Leon ZAKRZEWSKI, Jan JEZEK, Sarah HOWELL
  • Patent number: 11278624
    Abstract: According to the invention there is provided inter alia an aqueous liquid pharmaceutical formulation comprising insulin or an insulin analogue, ionic zinc, a chelating agent and polysorbate 80.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 22, 2022
    Assignee: ARECOR LIMITED
    Inventors: David Gerring, Leon Zakrzewski, Jan Jezek, Sarah Howell
  • Publication number: 20210113763
    Abstract: There is provided inter alia medical infusion pump system comprising a pump and a reservoir comprising an aqueous liquid pharmaceutical composition for delivery by means of said pump to a mammal wherein the composition comprises (i) an insulin compound at a concentration of 400 U/mL or more, (ii) ionic zinc and (iii) a non-ionic surfactant and wherein the said pump delivers the composition in pulses wherein the volume of the pulse is 0.5 ?L or less.
    Type: Application
    Filed: April 4, 2019
    Publication date: April 22, 2021
    Inventors: Jan JEZEK, David GERRING, Sarah HOWELL, Leon ZAKRZEWSKI
  • Publication number: 20210093775
    Abstract: There is provided inter alia medical infusion pump system comprising a pump and a reservoir comprising an aqueous liquid pharmaceutical composition for delivery by means of said pump to a mammal wherein the composition comprises (i) an insulin C compound, (ii) ionic zinc and (iii) an alkyl glycoside as a non-ionic surfactant.
    Type: Application
    Filed: April 4, 2019
    Publication date: April 1, 2021
    Inventors: Jan JEZEK, David GERRING, Sarah HOWELL, Leon ZAKRZEWSKI
  • Publication number: 20210038506
    Abstract: There is provided inter alia an injection pen system comprising an injector mechanism and a reservoir comprising an aqueous liquid pharmaceutical composition for delivery by means of said injector mechanism to a mammal wherein the composition comprises (i) an insulin compound, (ii) ionic zinc and (iii) an alkyl glycoside as a non-ionic surfactant.
    Type: Application
    Filed: April 4, 2019
    Publication date: February 11, 2021
    Inventors: Jan JEZEK, David GERRING, Sarah HOWELL, Leon ZAKRZEWSKI
  • Publication number: 20200093895
    Abstract: The present invention relates inter alia to an aqueous liquid pharmaceutical formulation comprising: (i) an insulin compound; (ii) ionic zinc; (iii) a zinc binding species at a concentration of 1 mM or more selected from species having a log K with respect to zinc ion binding in the range 4.5-10 at 25° C.; (iv) a zinc binding species selected from species having a log K with respect to zinc ion binding of more than 12.3 at 25° C. at a concentration of less than about 0.3 mM; and (v) a non-ionic surfactant. It also provides related methods, uses and pharmaceutical compositions.
    Type: Application
    Filed: May 3, 2018
    Publication date: March 26, 2020
    Inventors: Jan JEZEK, David GERRING, Sarah HOWELL, Leon ZAKRZEWSKI
  • Publication number: 20200093894
    Abstract: The present invention relates inter alia to an aqueous liquid pharmaceutical formulation comprising (i) an insulin compound, (ii) ionic zinc, (iii) a nicotinic compound (iv) a non-ionic surfactant; and (v) a salt selected from the salts formed between Group 1 metals and a mono or divalent anion. It also provides related methods, uses and pharmaceutical compositions.
    Type: Application
    Filed: May 3, 2018
    Publication date: March 26, 2020
    Inventors: Jan JEZEK, David GERRING, Sarah HOWELL, Leon ZAKRZEWSKI
  • Publication number: 20190290737
    Abstract: There is provided inter alia an aqueous liquid pharmaceutical formulation comprising (i) an insulin compound, (ii) ionic zinc, (iii) a zinc binding species at a concentration of 1 mM or more selected from species having a log K with respect to zinc ion binding in the range 4.5-12.3 at 25° C., and (iv) a non-ionic surfactant which is an alkyl glycoside; and wherein the formulation is substantially free of EDTA and any other zinc binding species having a log K with respect to zinc ion binding of more than 12.3 at 25° C.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 26, 2019
    Inventors: David GERRING, Sarah HOWELL, Jan JEZEK, Leon ZAKRZEWSKI
  • Publication number: 20190282667
    Abstract: There is provided inter alia an aqueous liquid pharmaceutical formulation comprising (i) an insulin compound at a concentration of 500-1000 U/ml, (ii) ionic zinc, (iii) a zinc binding species at a concentration of 1 mM or more selected from species having a logK with respect to zinc ion binding in the range 4.5-12.3 at 25° C., and (iv) a non-ionic surfactant; and wherein the formulation is substantially free of EDTA and any other zinc binding species having a logK with respect to zinc ion binding of more than 12.3 at 25° C.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 19, 2019
    Inventors: David GERRING, Sarah HOWELL, Jan JEZEK, Leon ZAKRZEWSKI
  • Publication number: 20190183980
    Abstract: There is provided inter alia an aqueous solution composition comprising insulin glargine as an active ingredient and an amino acid selected from aspartic acid and glutamic acid as a stabilising agent, wherein the amino acid is present at a concentration of 1-50 mM.
    Type: Application
    Filed: August 11, 2017
    Publication date: June 20, 2019
    Inventors: David GERRING, Sarah HOWELL, Jan JEZEK, Leon ZAKRZEWSKI, Gary WATTS
  • Publication number: 20190175737
    Abstract: There is provided inter alia an aqueous solution composition comprising insulin glargine as an active ingredient and triethylenetetramine (TETA) as a stabilising agent.
    Type: Application
    Filed: August 11, 2017
    Publication date: June 13, 2019
    Inventors: Jan JEZEK, Sarah HOWELL, David GERRING, Gary WATTS, Leon ZAKRZEWSKI
  • Publication number: 20180078645
    Abstract: According to the invention there is provided inter alia an aqueous liquid pharmaceutical formulation comprising insulin or an insulin analogue, ionic zinc, a chelating agent and polysorbate 80.
    Type: Application
    Filed: September 29, 2017
    Publication date: March 22, 2018
    Applicant: Arecor Limited
    Inventors: David GERRING, Leon Zakrzewski, Jan Jezek, Sarah Howell