Bi-and trispecific antibodies for the induction of anti-tumor immunity
First Claim
Patent Images
1. A method of treatment of a human or animal subject suffering from a tumor disease consisting of administering to said subject an effective amount of an intact heterologous bispecific antibody having isotype combinations selected from the group consisting of:
- rat-IgG2b/mouse-IgG2a, rat-IgG2b/mouse-IgG2b, rat-IgG2b/mouse-IgG3, rat-IgG2b/human-IgG1, rat-IgG2b/human-IgG2, rat-IgG2b/human-IgG3(oriental allotype G3m(st)=binding to protein A), rat-IgG2b/human-IgG4, rat-IgG2b/rat-IgG2c, mouse-IgG2a/human-IgG3(caucasian allotypes G3m(b+g)=no binding to protein A), mouse-IgG2a/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-IgG2a/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-IgG2a/human-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-(VH-CH1,VL-CL)-human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-(VH-CH1,VL-CL)-human-IgG4/rat-(VH-CH1,VL-CL)-human-IgG4-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (CH3), rat-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge-CH2-CH3), rat-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG3-(hinge-CH2-CH3, oriental allotype), rat-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG4-(hinge-CH2-CH3)human-IgG1/human-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (CH3), human-IgG1/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (CH3), human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG2(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (CH3), human-IgG1/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG2(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (CH3), human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG1/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG2/human-(VH-CH1,VL-CL)-human-IgG2-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG4/human-(VH-CH1,VL-CL)-human-IgG4-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG4/human-(VH-CH1,VL-CL)-human-IgG4-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (CH3), mouse-IgG2b/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-IgG2b/human-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), and mouse-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3);
wherein said antibody provides the following properties and effects;
(a) binding to a T cell and activating said T cell;
(b) binding to tumor-associated antigens on a tumor cell;
(c) binding, through its Fc portion to the Fc receptor of Fc receptor-positive cells;
(d) activation of said Fc receptor-positive cell by said binding of said antibodies to the Fc receptor-positive cell and, thereby initiating or increasing the expression of cytokines and/or co-stimulatory molecules;
(e) inducing a physiological activation of the T cell by a member selected from the group consisting of co-stimulatory molecules and cytokines, this activation being indicated by up-regulation of activation markers, killing of the tumor cell, T cell proliferation or a combination thereof, inducing anti-tumor immunity.
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Abstract
According to the invention, a method is provided wherein intact bispecific or trispecific antibodies which at the same time bind to the T cell receptor complex of a T cell, to tumor-associated antigens on a tumor cell, and, via the Fc portion of the bispecific antibody, to Fc receptor-positive cells are used for the induction of an anti-tumour immunity in humans and animals.
194 Citations
13 Claims
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1. A method of treatment of a human or animal subject suffering from a tumor disease consisting of administering to said subject an effective amount of an intact heterologous bispecific antibody having isotype combinations selected from the group consisting of:
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rat-IgG2b/mouse-IgG2a, rat-IgG2b/mouse-IgG2b, rat-IgG2b/mouse-IgG3, rat-IgG2b/human-IgG1, rat-IgG2b/human-IgG2, rat-IgG2b/human-IgG3(oriental allotype G3m(st)=binding to protein A), rat-IgG2b/human-IgG4, rat-IgG2b/rat-IgG2c, mouse-IgG2a/human-IgG3(caucasian allotypes G3m(b+g)=no binding to protein A), mouse-IgG2a/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-IgG2a/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-IgG2a/human-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-(VH-CH1,VL-CL)-human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-(VH-CH1,VL-CL)-human-IgG4/rat-(VH-CH1,VL-CL)-human-IgG4-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (CH3),rat-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge-CH2-CH3), rat-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG3-(hinge-CH2-CH3, oriental allotype), rat-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG4-(hinge-CH2-CH3)human-IgG1/human-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (CH3),human-IgG1/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (CH3),human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG2(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (CH3),human-IgG1/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG2(N-terminal region of CH2)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (CH3),human-IgG1/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG1/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG2/human-(VH-CH1,VL-CL)-human-IgG2-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG4/human-(VH-CH1,VL-CL)-human-IgG4-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), human-IgG4/human-(VH-CH1,VL-CL)-human-IgG4-(hinge)-human-IgG4(N-terminal region of CH2)-human-IgG3 Caucasian allotypes G3m(b+g)=no binding to protein A (C-terminal region of CH2;
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aa position
251)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A (CH3),mouse-IgG2b/rat-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), mouse-IgG2b/human-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3), and mouse-IgG2b/mouse-(VH-CH1,VL-CL)-human-IgG1-(hinge)-human-IgG3 caucasian allotypes G3m(b+g)=no binding to protein A-(CH2-CH3);
wherein said antibody provides the following properties and effects;
(a) binding to a T cell and activating said T cell;
(b) binding to tumor-associated antigens on a tumor cell;
(c) binding, through its Fc portion to the Fc receptor of Fc receptor-positive cells;
(d) activation of said Fc receptor-positive cell by said binding of said antibodies to the Fc receptor-positive cell and, thereby initiating or increasing the expression of cytokines and/or co-stimulatory molecules;
(e) inducing a physiological activation of the T cell by a member selected from the group consisting of co-stimulatory molecules and cytokines, this activation being indicated by up-regulation of activation markers, killing of the tumor cell, T cell proliferation or a combination thereof, inducing anti-tumor immunity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification