Patents by Inventor Felix Cleemann

Felix Cleemann 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: 20250127797
    Abstract: The present invention relates to a prodrug or a pharmaceutically acceptable salt thereof comprising a drug linker conjugate D-L, wherein -D is an amine containing biologically active moiety; and -L is a non-biologically active linker moiety -L1 represented by formula (I): wherein the dashed line indicates the attachment to the amine of the biologically active moiety and wherein R1, R1a, R2, R2a, R3, R3a, X, X1, X2, X3 have the meaning as indicated in the description and the claims and wherein L1 is substituted with one to four groups L2-Z and optionally further substituted, provided that the hydrogen marked with the asterisk in formula (I) is not replaced by a substituent; wherein L2 is a single chemical bond or a spacer; and Z is a carrier group. The invention also relates to A-L, wherein A is a leaving group, pharmaceutical composition comprising said prodrugs and their use as medicaments.
    Type: Application
    Filed: October 18, 2024
    Publication date: April 24, 2025
    Inventors: Felix Cleemann, Ulrich Hersel, Silvia Kaden-Vagt, Harald Rau, Thomas Wegge
  • Publication number: 20250127859
    Abstract: The present invention relates to a CNP prodrug or a pharmaceutically acceptable salt thereof comprising a CNP moiety -D; and a carrier moiety —Z that is conjugated through a moiety -L1- to a reversible prodrug linker moiety -L1-, which reversible prodrug linker moiety -L1- is covalently and reversibly conjugated to -D; wherein -L1- is a chemical bond or a spacer; and —Z is a polymer having a molecular weight of at least 10 kDa. It further relates to pharmaceutical compositions comprising the CNP prodrug or a pharmaceutically acceptable salt thereof, their use as a medicament and to methods of treatment.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 24, 2025
    Inventors: Harald Rau, Ulrich Hersel, Felix Cleemann, Kennett Sprogøe
  • Publication number: 20250121074
    Abstract: The present invention relates to CNP prodrugs in which the carrier is covalently and reversibly attached to the ring moiety of a CNP moiety, to pharmaceutical compositions comprising such CNP prodrugs, to their uses and to methods of treating diseases that can be treated with the CNP prodrugs of the present invention.
    Type: Application
    Filed: October 25, 2024
    Publication date: April 17, 2025
    Inventors: Harald RAU, Ulrich HERSEL, Felix CLEEMANN, Kennett Sprogøe
  • Publication number: 20250090639
    Abstract: The present invention relates to a controlled-release CNP agonist from which CNP agonist is released with a release half-life of at least 6 hours under physiological conditions and which controlled-release CNP agonist has an EC50 that is at least 20-fold higher than the EC50 of the corresponding free CNP agonist and which released CNP agonist has an EC50 that is at most 3-fold higher than the EC50 of the corresponding free CNP agonist; to pharmaceutical compositions comprising said controlled-release CNP agonist; their use; and to methods of treatment.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 20, 2025
    Inventors: Kennett SPROGØE, Harald Rau, Felix Cleemann, Ulrich Hersel
  • Publication number: 20250090671
    Abstract: The present invention relates to prodrugs of C-type natriuretic peptide (CNP), pharmaceutical compositions comprising such CNP prodrugs and their uses. In an embodiment, the CNP prodrugs are conjugates of CNP peptides to poly(ethylene glycol) through a reversible linker.
    Type: Application
    Filed: August 23, 2024
    Publication date: March 20, 2025
    Applicant: ASCENDIS PHARMA GROWTH DISORDERS A/S
    Inventors: Kennett Sprogøe, Ulrich Hersel, Harald Rau, Felix Cleemann
  • Patent number: 12239689
    Abstract: The present invention relates to a controlled-release CNP agonist from which CNP agonist is released with a release half-life of at least 6 hours under physiological conditions and which controlled-release CNP agonist has an EC50 that is at least 20-fold higher than the EC50 of the corresponding free CNP agonist and which released CNP agonist has an EC50 that is at most 3-fold higher than the EC50 of the corresponding free CNP agonist; to pharmaceutical compositions comprising said controlled-release CNP agonist; their use; and to methods of treatment.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: March 4, 2025
    Assignee: ASCENDIS PHARMA GROWTH DISORDERS A/S
    Inventors: Kennett Sprogøe, Harald Rau, Felix Cleemann, Ulrich Hersel
  • Publication number: 20250041431
    Abstract: The present invention relates to controlled-release CNP agonists having an at least 5-fold longer degradation half-life in an in vitro NEP degradation assay than the corresponding released CNP agonist, to pharmaceutical compositions comprising said controlled-release CNP agonist, their use and to methods of treatment.
    Type: Application
    Filed: August 7, 2024
    Publication date: February 6, 2025
    Inventors: Kennett SPROGØE, Harald Rau, Ulrich Hersel, Felix Cleemann
  • Patent number: 12214020
    Abstract: The present invention relates to PTH prodrugs, pharmaceutical compositions comprising such PTH prodrugs and their uses.
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: February 4, 2025
    Assignee: ASCENDIS PHARMA BONE DISEASES A/S
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Patent number: 12156917
    Abstract: The present invention relates to CNP prodrugs in which the carrier is covalently and reversibly attached to the ring moiety of a CNP moiety, to pharmaceutical compositions comprising such CNP prodrugs, to their uses and to methods of treating diseases that can be treated with the CNP prodrugs of the present invention.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: December 3, 2024
    Assignee: ASCENDIS PHARMA GROWTH DISORDERS A/S
    Inventors: Harald Rau, Ulrich Hersel, Felix Cleemann, Kennett Sprogøe
  • Publication number: 20240316153
    Abstract: The present invention relates to a CNP prodrug or a pharmaceutically acceptable salt thereof comprising a CNP moiety -D; and a carrier moiety —Z that is conjugated through a moiety -L2- to a reversible prodrug linker moiety -L1-, which reversible prodrug linker moiety -L1- is covalently and reversibly conjugated to -D; wherein -L2- is a chemical bond or a spacer; and —Z is a polymer having a molecular weight of at least 10 kDa. It further relates to pharmaceutical compositions comprising the CNP prodrug or a pharmaceutically acceptable salt thereof, their use as a medicament and to methods of treatment.
    Type: Application
    Filed: January 8, 2024
    Publication date: September 26, 2024
    Inventors: Harald Rau, Ulrich Hersel, Felix Cleemann, Kennett Sprogøe
  • Patent number: 12083182
    Abstract: The present invention relates to controlled-release CNP agonists having an at least 5-fold longer degradation half-life in an in vitro NEP degradation assay than the corresponding released CNP agonist, to pharmaceutical compositions comprising said controlled-release CNP agonist, their use and to methods of treatment.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: September 10, 2024
    Assignee: ASCENDIS PHARMA GROWTH DISORDERS A/S
    Inventors: Kennett Sprogøe, Harald Rau, Ulrich Hersel, Felix Cleemann
  • Publication number: 20240123038
    Abstract: The present invention relates to PTH prodrugs, pharmaceutical compositions comprising such PTH prodrugs and their uses.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 18, 2024
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Patent number: 11918628
    Abstract: The present invention relates to a controlled-release parathyroid hormone (PTH) compound in which PTH(1-34) is reversibly conjugated to a branched polyethylene glycol. The invention further relates to a pharmaceutical composition of the compound. The compound or pharmaceutical composition is useful for treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH.
    Type: Grant
    Filed: July 19, 2023
    Date of Patent: March 5, 2024
    Assignee: ASCENDIS PHARMA BONE DISEASES A/S
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Patent number: 11890326
    Abstract: The present invention relates to a controlled-release parathyroid hormone (PTH) compound in which PTH(1-34) is reversibly conjugated to a branched polyethylene glycol. The invention further relates to a pharmaceutical composition of the compound. The compound or pharmaceutical composition is useful for treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: February 6, 2024
    Assignee: ASCENDIS PHARMA BONE DISEASES A/S
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Patent number: 11857603
    Abstract: The present invention relates to a pharmaceutical composition comprising a PTH compound, wherein after subcutaneous administration the pharmacokinetic profile of the PTH compound exhibits a peak to trough ratio of less than 4 within one injection interval.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: January 2, 2024
    Assignee: ASCENDIS PHARMA BONE DISEASES A/S
    Inventors: Kennett Sprogøe, Lars Holten-Andersen, David Brian Karpf, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Publication number: 20230381284
    Abstract: The present invention relates to a pharmaceutical composition comprising at least one controlled-release PTH compound or a pharmaceutically acceptable salt, hydrate or solvate thereof, for use in the treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH, pharmaceutical composition comprising at least one controlled-release PTH compound or a pharmaceutically acceptable salt, hydrate or solvate thereof, for use in the treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH, wherein said pharmaceutical composition is administered no more frequent than once every 24 hours with a dosage of the controlled-release PTH compound that corresponds to no more than 70% of the molar equivalent dose of PTH 1-84 administered every 24 hours required to maintain serum calcium within normal levels over said 24 hour period in humans.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 30, 2023
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Patent number: 11793861
    Abstract: The present invention relates to PTH prodrugs, pharmaceutical compositions comprising such PTH prodrugs and their uses.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: October 24, 2023
    Assignee: ASCENDIS PHARMA BONE DISEASES A/S
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Publication number: 20230321198
    Abstract: The present invention relates to a pharmaceutical composition comprising at least one controlled-release PTII compound or a pharmaceutically acceptable salt, hydrate or solvate thereof, for use in the treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH, pharmaceutical composition comprising at least one controlled-release PTII compound or a pharmaceutically acceptable salt, hydrate or solvate thereof, for use in the treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH, wherein said pharmaceutical composition is administered no more frequent than once every 24 hours with a dosage of the controlled-release PTH compound that corresponds to no more than 70% of the molar equivalent dose of PTII 1-84 administered every 24 hours required to maintain serum calcium within normal levels over said 24 hour period in humans.
    Type: Application
    Filed: February 28, 2023
    Publication date: October 12, 2023
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Patent number: 11759504
    Abstract: The present invention relates to a pharmaceutical composition comprising a PTH compound, wherein after subcutaneous administration the pharmacokinetic profile of the PTH compound exhibits a peak to trough ratio of less than 4 within one injection interval.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: September 19, 2023
    Assignee: Ascendis Pharma Bone Diseases A/S
    Inventors: Kennett Sprogøe, Lars Holten-Andersen, David Brian Karpf, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler
  • Publication number: 20230248836
    Abstract: The present invention relates to a pharmaceutical composition comprising at least one controlled-release PTH compound or a pharmaceutically acceptable salt, hydrate or solvate thereof, for use in the treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH, pharmaceutical composition comprising at least one controlled-release PTH compound or a pharmaceutically acceptable salt, hydrate or solvate thereof, for use in the treatment, control, delay or prevention of a condition that can be treated, controlled, delayed or prevented with PTH, wherein said pharmaceutical composition is administered no more frequent than once every 24 hours with a dosage of the controlled-release PTH compound that corresponds to no more than 70% of the molar equivalent dose of PTH 1-84 administered every 24 hours required to maintain serum calcium within normal levels over said 24 hour period in humans.
    Type: Application
    Filed: December 8, 2022
    Publication date: August 10, 2023
    Inventors: Kennett Sprogøe, Felix Cleemann, Guillaume Maitro, Mathias Krusch, Thomas Wegge, Joachim Zettler