Bispecific antibody effective to treat B-cell lymphoma and cell

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Structurally-modified antibody – immunoglobulin – or fragment...

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4241361, 435 7021, 5303873, 5303881, 5303877, 53038875, 53038885, A61K 39395, C12P 2104, C12P 2108, C07K 1600

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active

061299146

ABSTRACT:
The invention provides bispecific antibodies with selective cytotoxicity against malignant B-cells. The bispecific antibodies bind to an effector cell antigen and to a 28/32 kDa heterodimeric protein on the surface of malignant B-cells. The invention also includes the monospecific components of the bispecific antibodies, humanized versions thereof, and humanized bispecific antibodies. The invention further provides therapeutic and diagnostic methods employing these antibodies.

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