PD-1 targeted IL-15/IL-15Rα Fc fusion proteins with improved properties

US11932675B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11932675-B2
Application numberUS-202017067508-A
CountryUS
Kind codeB2
Filing dateOct 9, 2020
Priority dateOct 11, 2019
Publication dateMar 19, 2024
Grant dateMar 19, 2024

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

The present invention relates to fusion proteins comprising variant IL-15 proteins, fusion proteins comprising variant anti-PD-1 antigen binding domains, and fusion proteins comprising variant IL-15 proteins and variant anti-PD-1 antigen binding domains. The present invention also relates to nucleic acid molecules, expression vectors, host cells and methods for making such fusion proteins and the use of such fusion proteins in the treatment of cancer.

First claim

Opening claim text (preview).

What is claimed is: 1. A composition comprising a variant IL-15 protein as compared to SEQ ID NO:2, said variant IL-15 protein comprising an amino acid modification selected from the group consisting of N71Q, N79Q, N112Q, S114del and S114A. 2. A pharmaceutical composition comprising the composition comprising a variant IL-15 protein according to claim 1 and a pharmaceutically acceptable carrier. 3. The composition according to claim 1 , wherein said variant IL-15 protein further comprises an amino acid modification selected from the group consisting of N1D, N4D, D8N, D30N, D61N, E64Q, N65D and Q108E. 4. The composition according to claim 1 , wherein said variant IL-15 protein comprises amino acid modifications selected from the group consisting of N71Q/N79Q, N71Q/N79Q/N112Q, N71Q/N79Q/S114del and N71Q/N79Q/S114A. 5. The composition according to claim 1 , wherein said variant IL 15 protein comprises amino acid modifications selected from the group consisting of N1D/N4D/D8N, N1D/N4D/N65D, N1D/D30N, N1D/D61N, N1D/D61N/E64Q/Q108E, N1D/E64Q, N1D/N65D, N1D/Q108E, N4D/D30N, N4D/D61N, N4D/D61N/N65D, N4D/D61N/E64Q/Q108E, N4D/E64Q, N4D/N65D, D8N/D61N, D8N/E64Q, D30N/E64Q, D30N/N65D, D30N/E64Q/N65D, D30N/Q180E, D61N/E64Q/N65D, E64Q/N65D, E64Q/Q108E and N65D/Q108E. 6. The composition according to claim 1 , wherein said variant IL 15 protein comprises the amino acid modifications N71Q/N79Q/N112Q. 7. The composition according to claim 1 , wherein said variant IL 15 protein comprises the amino acid modifications N71Q/N79Q/N112Q and D30N/N65D. 8. The composition according to claim 1 , wherein said variant IL-15 protein comprises the amino acid modifications N71Q/N79Q/N112Q and D30N/E64Q/N65D. 9. The pharmaceutical composition according to claim 2 , wherein said variant IL-15 protein further comprises an amino acid modification selected from the group consisting of N1D, N4D, D8N, D30N, D61N, E64Q, N65D and Q108E. 10. The pharmaceutical composition according to claim 2 , wherein said variant IL-15 protein comprises amino acid modifications selected from the group consisting of N71Q/N79Q, N71Q/N79Q/N112Q, N71Q/N79Q/S114del and N71Q/N79Q/S114A. 11. The pharmaceutical composition according to claim 2 , wherein said variant IL 15 protein comprises amino acid modifications selected from the group consisting of N1D/N4D/D8N, N1D/N4D/N65D, N1D/D30N, N1D/D61N, N1D/D61N/E64Q/Q108E, N1D/E64Q, N1D/N65D, N1D/Q108E, N4D/D30N, N4D/D61N, N4D/D61N/N65D, N4D/D61N/E64Q/Q108E, N4D/E64Q, N4D/N65D, D8N/D61N, D8N/E64Q, D30N/E64Q, D30N/N65D, D30N/E64Q/N65D, D30N/Q180E, D61N/E64Q/N65D, E64Q/N65D, E64Q/Q108E and N65D/Q108E. 12. The pharmaceutical composition according to claim 2 , wherein said variant IL 15 protein comprises the amino acid modifications N71Q/N79Q/N112Q. 13. The composition according to claim 2 , wherein said variant IL 15 protein comprises the amino acid modifications N71Q/N79Q/N112Q and D30N/N65D. 14. The composition according to claim 2 , wherein said variant IL-15 protein comprises the amino acid modifications N71Q/N79Q/N112Q and D30N/E64Q/N65D. 15. The composition according to claim 14 , wherein said variant IL-15 protein comprises the amino acid sequence of SEQ ID NO: 319.

Assignees

Inventors

Classifications

  • IL-15 · CPC title

  • Antineoplastic agents · CPC title

  • against CD28 or CD152 · CPC title

  • Medicinal preparations containing peptides (peptides containing beta-lactam rings A61K31/00; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, A61K31/00; ergot alkaloids of the cyclic peptide type A61K31/48; containing macromolecular compounds having statistically distributed amino acid units A61K31/74; medicinal preparations containing antigens or antibodies A61K39/00; medicinal preparations characterised by the non-active ingredients, e.g. peptides as drug carriers, A61K47/00) · CPC title

  • Non-immunoglobulin-derived peptide or protein having an immunoglobulin constant or Fc region, or a fragment thereof, attached thereto · CPC title

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What does patent US11932675B2 cover?
The present invention relates to fusion proteins comprising variant IL-15 proteins, fusion proteins comprising variant anti-PD-1 antigen binding domains, and fusion proteins comprising variant IL-15 proteins and variant anti-PD-1 antigen binding domains. The present invention also relates to nucleic acid molecules, expression vectors, host cells and methods for making such fusion proteins and t…
Who is the assignee on this patent?
Genentech Inc, Xencor Inc
What technology area does this patent fall under?
Primary CPC classification C07K14/5443. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Mar 19 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).