Patents by Inventor Øystein Rekdal

Øystein Rekdal 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: 12239686
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with an immune checkpoint inhibitor. The present invention further provides pharmaceutical packs or compositions comprising these active agents and methods of treating a tumour comprising administration of these active agents.
    Type: Grant
    Filed: March 7, 2024
    Date of Patent: March 4, 2025
    Assignee: LYTIX BIOPHARMA AS
    Inventors: Liv Marie Eike, Ketil André Camilio, Baldur Sveinbjörnsson, Laurence Zitvogel, Takahiro Yamazaki, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Publication number: 20250002854
    Abstract: Methods of generating populations of tumour-infiltrating T cells The present invention provides a method of generating a population of tumour-infiltrating T cells, said method comprising administering to a subject a positively charged amphipathic amino acid derivative, peptide or peptidomimetic which is able to lyse tumour cell membranes and then collecting a cellular sample from a tumour within said subject and separating T cells therefrom. The present invention further provides a method of generating a population of tumour-infiltrating T cells, said method comprising separating T cells from a cellular tumour sample taken from a subject treated with a positively charged amphipathic amino acid derivative, peptide or peptidomimetic which is able to lyse tumour cell membranes and optionally culturing said T cells.
    Type: Application
    Filed: January 20, 2023
    Publication date: January 2, 2025
    Inventors: Ketil André Camilio, Janne Merethe Nestvold, Baldur Sveinbjôrnsson, ØYstein Rekdal
  • Publication number: 20240293506
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with an immune checkpoint inhibitor. The present invention further provides pharmaceutical packs or compositions comprising these active agents and methods of treating a tumour comprising administration of these active agents.
    Type: Application
    Filed: March 7, 2024
    Publication date: September 5, 2024
    Inventors: Liv Marie Eike, Ketil André Camilio, Baldur Sveinbjörnsson, Laurence Zitvogel, Takahiro Yamazaki, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Publication number: 20230201305
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with an immune checkpoint inhibitor. The present invention further provides pharmaceutical packs or compositions comprising these active agents and methods of treating a tumour comprising administration of these active agents.
    Type: Application
    Filed: July 2, 2021
    Publication date: June 29, 2023
    Inventors: Liv Marie Eike, Ketil André Camilio, Baldur Sveinbjörnsson, Laurence Zitvogel, Takahiro Yamazaki, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Patent number: 11548912
    Abstract: The present invention relates to a compound of formula (I) AA-AA-AA-R1—R2 (I) wherein, in any order, 2 of said AA (amino acid) moieties are cationic amino acids and 1 of said AA is an amino acid with a lipophilic R group, the R group having 14-27 non-hydrogen atoms; R1 is a N atom, which may be substituted by a branched or unbranched C1-C10 alkyl or aryl group, which group may incorporate up to 2 heteroatoms selected from N, O and S; and R2 is an aliphatic moiety having 2-20 non-hydrogen atoms, said moiety being linear, branched or cyclic. The invention further relates to formulations containing these compounds, solid supports having these compounds attached thereto, the use of these compounds in therapy, particularly as antimicrobial, anti-tumour or anti-biofilm agents and non-therapeutic uses of these compounds, particularly their use in inhibiting biofilm formation or removing a biofilm.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: January 10, 2023
    Assignee: Peptide Patents AS
    Inventors: Wenche Stensen, Frederick A. Leeson, Oystein Rekdal, John S. Svendsen
  • Publication number: 20210401933
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with an immune checkpoint inhibitor. The present invention further provides pharmaceutical packs or compositions comprising these active agents and methods of treating a tumour comprising administration of these active agents.
    Type: Application
    Filed: July 2, 2021
    Publication date: December 30, 2021
    Inventors: Liv Marie Eike, Ketil André Camilio, Baldur Sveinbjörnsson, Laurence Zitvogel, Takahiro Yamazaki, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Patent number: 11123398
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with a cytotoxic chemotherapeutic agent that inhibits immune tolerance, wherein the chemotherapeutic agent is administered at a sub-cytotoxic dose.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: September 21, 2021
    Assignee: LYTIX BIOPHARMA AS
    Inventors: Liv Marie Eike, Ketil Camilio, Baldur Sveinbjornsson, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Patent number: 11083774
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with an immune checkpoint inhibitor. The present invention further provides pharmaceutical packs or compositions comprising these active agents and methods of treating a tumour comprising administration of these active agents.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: August 10, 2021
    Assignee: LYTIX BIOPHARMA AS
    Inventors: Liv Marie Eike, Ketil Camilio, Baldur Sveinbjornsson, Laurence Zitvogel, Takahiro Yamazaki, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Publication number: 20210107939
    Abstract: The present invention relates to a compound of formula (I) AA-AA-AA-R1—R2 (I) wherein, in any order, 2 of said AA (amino acid) moieties are cationic amino acids and 1 of said AA is an amino acid with a lipophilic R group, the R group having 14-27 non-hydrogen atoms; R1 is a N atom, which may be substituted by a branched or unbranched C1-C10 alkyl or aryl group, which group may incorporate up to 2 heteroatoms selected from N, O and S; and R2 is an aliphatic moiety having 2-20 non-hydrogen atoms, said moiety being linear, branched or cyclic. The invention further relates to formulations containing these compounds, solid supports having these compounds attached thereto, the use of these compounds in therapy, particularly as antimicrobial, anti-tumour or anti-biofilm agents and non- therapeutic uses of these compounds, particularly their use in inhibiting biofilm formation or removing a biofilm.
    Type: Application
    Filed: December 9, 2020
    Publication date: April 15, 2021
    Inventors: Wenche Stensen, Frederick A. Leeson, Oystein Rekdal, John S. Svendsen
  • Publication number: 20190256558
    Abstract: The present invention relates to a compound of formula (I) AA-AA-AA-R1-R2 (I) wherein, in any order, 2 of said AA (amino acid) moieties are cationic amino acids and 1 of said AA is an amino acid with a lipophilic R group, the R group having 14-27 non-hydrogen atoms; R1 is a N atom, which may be substituted by a branched or unbranched C1-C10 alkyl or aryl group, which group may incorporate up to 2 heteroatoms selected from N, O and S; and R2 is an aliphatic moiety having 2-20 non-hydrogen atoms, said moiety being linear, branched or cyclic. The invention further relates to formulations containing these compounds, solid supports having these compounds attached thereto, the use of these compounds in therapy, particularly as antimicrobial, anti-tumour or anti-biofilm agents and non-therapeutic uses of these compounds, particularly their use in inhibiting biofilm formation or removing a biofilm.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Inventors: Wenche Stensen, Frederick A. Leeson, Oystein Rekdal, John S. Svendsen
  • Patent number: 10287320
    Abstract: The present invention provides a peptide which: (i) consists of 10 to 16 amino acids; (ii) has at least 8 cationic amino acids with either (a) a side chain comprising a guanidinium group, or (b) a side chain comprising an amino group, of which no more than 7 are consecutive; and (iii) has 2 or 3 tryptophan residues which are not both, or not all, consecutive, said peptide optionally in the form of a salt, ester or amide, or a peptidomimetic of said peptide. The invention further relates to pharmaceutical compositions containing these compounds, the use of these compounds in therapy, particularly as anti-tumor (e.g. anti-lymphoma) agents and non-therapeutic uses of these compounds.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: May 14, 2019
    Assignee: Universitetet i Tromsø—Norges Arktiske Universit
    Inventors: John Sigurd Svendsen, Øystein Rekdal, Johannes Eksteen
  • Publication number: 20190038670
    Abstract: The present invention provides a method of generating a population of tumour-infiltrating T cells, said method comprising administering to a subject a positively charged amphipathic amino acid derivative, peptide or peptidomimetic which is able to lyse tumour cell membranes and then collecting a cellular sample from a tumour within said subject and separating T cells therefrom. The present invention further provides a method of generating a population of tumour-infiltrating T cells, said method comprising separating T cells from a cellular tumour sample taken from a subject treated with a positively charged amphipathic amino acid derivative, peptide or peptidomimetic which is able to lyse tumour cell membranes and optionally culturing said T cells. The present invention also provides the tumour-infiltrating T cells described above for use in treating tumour cells or preventing or reducing the growth, establishment, spread, or metastasis of a tumour.
    Type: Application
    Filed: February 2, 2017
    Publication date: February 7, 2019
    Applicant: LYTIX BIOPHARMA AS
    Inventors: Ketil André Camilio, Janne Merethe Nestvold, Baldur Sveinbjörnsson, Øystein Rekdal
  • Publication number: 20180264079
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with an immune checkpoint inhibitor. The present invention further provides pharmaceutical packs or compositions comprising these active agents and methods of treating a tumour comprising administration of these active agents.
    Type: Application
    Filed: November 4, 2015
    Publication date: September 20, 2018
    Applicants: LYTIX BIOPHARMA AS, LYTIX BIOPHARMA AS
    Inventors: Liv Marie Eike, Ketil Camilio, Baldur Sveinbjornsson, Laurence Zitvogel, Takahiro Yamazaki, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Publication number: 20170340696
    Abstract: The present invention provides a compound, preferably a peptide, having the following characteristics: a) consisting of 9 amino acids in a linear arrangement; b) of those 9 amino acids, 5 are cationic and 4 have a lipophilic R group; c) at least one of said 9 amino acids is a non-genetically coded amino acid (e.g. a modified derivative of a genetically coded amino acid); and optionally d) the lipophilic and cationic residues are arranged such that there are no more than two of either type of residue adjacent to one another; and further optionally e) the molecule comprises two pairs of adjacent cationic amino acids and one or two pairs of adjacent lipophilic residues; for use in the treatment of a tumour by combined, sequential or separate administration with a cytotoxic chemotherapeutic agent that inhibits immune tolerance, wherein the chemotherapeutic agent is administered at a sub-cytotoxic dose.
    Type: Application
    Filed: November 4, 2015
    Publication date: November 30, 2017
    Inventors: Liv Marie Eike, Ketil Camilio, Baldur Sveinbjornsson, Oystein Rekdal, John Sigurd Mjoen Svendsen
  • Publication number: 20170107250
    Abstract: The present invention relates to a compound of formula (I) AA-AA-AA-R1-R2 (I) wherein, in any order, 2 of said AA (amino acid) moieties are cationic amino acids and 1 of said AA is an amino acid with a lipophilic R group, the R group having 14-27 non-hydrogen atoms; R1 is a N atom, which may be substituted by a branched or unbranched C1-C10 alkyl or aryl group, which group may incorporate up to 2 heteroatoms selected from N, O and S; and R2 is an aliphatic moiety having 2-20 non-hydrogen atoms, said moiety being linear, branched or cyclic. The invention further relates to formulations containing these compounds, solid supports having these compounds attached thereto, the use of these compounds in therapy, particularly as antimicrobial, anti-tumour or anti-biofilm agents and non-therapeutic uses of these compounds, particularly their use in inhibiting biofilm formation or removing a biofilm.
    Type: Application
    Filed: December 27, 2016
    Publication date: April 20, 2017
    Applicant: LYTIX BIOPHARMA AS
    Inventors: Wenche Stensen, Frederick A. Leeson, Oystein Rekdal, John S. Svendsen
  • Publication number: 20170073372
    Abstract: The present invention provides a peptide which: (i) consists of 10 to 16 amino acids; (ii) has at least 8 cationic amino acids with either (a) a side chain comprising a guanidinium group, or (b) a side chain comprising an amino group, of which no more than 7 are consecutive; and (iii) has 2 or 3 tryptophan residues which are not both, or not all, consecutive, said peptide optionally in the form of a salt, ester or amide, or a peptidomimetic of said peptide. The invention further relates to pharmaceutical compositions containing these compounds, the use of these compounds in therapy, particularly as anti-tumour (e.g. anti-lymphoma) agents and non-therapeutic uses of these compounds.
    Type: Application
    Filed: February 4, 2015
    Publication date: March 16, 2017
    Inventors: John Sigurd SVENDSEN, Oystein REKDAL, Johannes EKSTEEN
  • Patent number: 9556223
    Abstract: The present invention relates to a compound of formula (I) AA-AA-AA-R1—R2 (I) wherein, in any order, 2 of said AA (amino acid) moieties are cationic amino acids and 1 of said AA is an amino acid with a lipophilic R group, the R group having 14-27 non-hydrogen atoms; R1 is a N atom, which may be substituted by a branched or unbranched C1-C10 alkyl or aryl group, which group may incorporate up to 2 heteroatoms selected from N, O and S; and R2 is an aliphatic moiety having 2-20 non-hydrogen atoms, said moiety being linear, branched or cyclic. The invention further relates to formulations containing these compounds, solid supports having these compounds attached thereto, the use of these compounds in therapy, particularly as antimicrobial, anti-tumor or anti-biofilm agents and non-therapeutic uses of these compounds, particularly their use in inhibiting biofilm formation or removing a biofilm.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: January 31, 2017
    Assignee: LYTIX BIOPHARMA AS
    Inventors: Wenche Stensen, Frederick Alan Leeson, Øystein Rekdal, John Sigurd Svendsen
  • Publication number: 20160176923
    Abstract: The present invention relates to peptides or peptide like molecules and their uses in therapy, in particular as anti-tumour agents.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 23, 2016
    Inventors: Bengt Erik Haug, Jon Amund Eriksen, John Sigurd Svendsen, Oystein Rekdal
  • Patent number: 9241968
    Abstract: The present invention relates to peptides or peptide like molecules and their uses in therapy, in particular as anti-tumor agents.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: January 26, 2016
    Assignee: Lytix Biopharma AS
    Inventors: Bengt Erik Haug, Jon Amund Eriksen, John Sigurd Svendsen, Oystein Rekdal
  • Patent number: 9212202
    Abstract: The present invention relates to a method of improving the resistance of a peptide or peptidomimetic to degradation by trypsin which comprises incorporating into said peptide or peptidomimetic a C-terminal capping group of formula (I): X—Y—Z (I) wherein X is a N atom, which may be substituted by a branched or unbranched C1-C10 alkyl or aryl group which group may incorporate up to 2 heteroatoms selected from N, O and S; Y represents a group selected from —Ra—Rb—, —Ra—Rb—Rb,- and —Rb—Rb—Ra— wherein Ra is C, O, S or N, and Rb is C; each of Ra and Rb, may be substituted by C1-C4 alkyl groups or unsubstituted; and Z is a group comprising 1 to 3 cyclic groups each of 5 or 6 non-hydrogen atoms, 2 or more of the cyclic groups may be fused and one or more of the cyclic groups may be substituted; the Z. moiety incorporates a maximum of 15 non-hydrogen atoms; and wherein the bond between Y and Z is a covalent bond between Ra or Rb of Y and a non-hydrogen atom of one of the cyclic groups of Z.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: December 15, 2015
    Assignee: Lytix Biopharma AS
    Inventors: Wenche Stensen, Oystein Rekdal, John Sigurd Svendsen