Combination therapy using antibody to human Siglec-9 and antibody to human NKG2A for treating cancer

US11447545B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11447545-B2
Application numberUS-201816629585-A
CountryUS
Kind codeB2
Filing dateJul 9, 2018
Priority dateJul 10, 2017
Publication dateSep 20, 2022
Grant dateSep 20, 2022

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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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

This invention relates to agents that bind human Siglecs having inhibitory activity in immune cells, and that neutralize the inhibitory activity of such Siglec. Such agents can be used for the treatment of cancers.

First claim

Opening claim text (preview).

The invention claimed is: 1. A pharmaceutical composition comprising an antibody that neutralizes the inhibitory activity of NKG2A, and an antibody that neutralizes the inhibitory activity of Siglec-9, wherein the antibody that neutralizes the inhibitory activity of Siglec-9 is selected from the group consisting of: (a) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 15 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 16; (b) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 17 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 18; (c) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 19 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 20; (d) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 21 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 22; (e) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 23 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 24; (f) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 25 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 26; (g) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 3 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 4; (h) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 5 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 6; (i) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 7 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 8; (j) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 9 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 10; (k) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 11 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 12; and (l) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 13 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 14. 2. A kit comprising: (a) a dose of an antibody, that neutralizes the inhibitory activity of NKG2A, and (b) a dose of an antibody, that neutralizes the inhibitory activity of Siglec-9, wherein the antibody that neutralizes the inhibitory activity of Siglec-9 is selected from the group consisting of: (a) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 15 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 16; (b) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 17 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 18; (c) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 19 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 20; (d) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 21 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 22; (e) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 23 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 24; (f) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 25 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 26; (g) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 3 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 4; (h) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 5 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 6; (i) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 7 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 8; (j) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 9 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 10; (k) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 11 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 12; and (l) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 13 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 14. 3. A method for modulating NKG2A+ Siglec+ lymphocytes, optionally NK cells, optionally CD8+ T cells, in an individual, the method comprising administering to said individual an effective amount of a pharmaceutical composition according to claim 1 . 4. An in vitro method for modulating the activity of NKG2A+ Siglec+ lymphocytes, optionally NK cells, optionally CD8+ T cells, comprising bringing lymphocytes expressing at their surface NKG2A and Siglec-9 into contact with an antibody that neutralizes the inhibitory activity of NKG2A and an antibody that neutralizes the inhibitory activity of Siglec-9, wherein the antibody that neutralizes the inhibitory activity of Siglec-9 is selected from the group consisting of: (a) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 15 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 16; (b) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 17 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 18; (c) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 19 and (ii) a light chain comprising CDR 1, 2 and 3 of the light chain variable region of SEQ ID NO: 20; (d) a monoclonal antibody comprising (i) a heavy chain comprising CDR 1, 2 and 3 of the heavy chain variable region of SEQ ID NO: 21 and (ii) a light chain comprising CDR 1, 2 and 3 of the l

Assignees

Inventors

Classifications

  • Complementarity determining region [CDR] · CPC title

  • against the immunoglobulin superfamily · CPC title

  • General protective or antinoxious agents · CPC title

  • Comprising a combination of two or more separate antibodies · CPC title

  • Antineoplastic agents · CPC title

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Frequently asked questions

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What does patent US11447545B2 cover?
This invention relates to agents that bind human Siglecs having inhibitory activity in immune cells, and that neutralize the inhibitory activity of such Siglec. Such agents can be used for the treatment of cancers.
Who is the assignee on this patent?
Innate Pharma
What technology area does this patent fall under?
Primary CPC classification C07K16/2803. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 20 2022 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).