FIELD: biotechnology.
SUBSTANCE: invention relates to an antibody containing only heavy chains, which binds to CD19. Also disclosed is a multispecific antibody which binds to CD19 and has binding affinity to CD3, a pharmaceutical composition containing said antibodies, method of treating diseases and conditions characterized by CD19 expression, including a B-cell disorder, use of said antibodies for treating a B-cell disorder and a kit for treating a disease or disorder characterized by CD19 expression.
EFFECT: invention provides antibodies containing only heavy chains, with binding affinity to CD19.
24 cl, 9 dwg, 1 tbl, 8 ex
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