Antibody combination useful for tumor therapy
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United States of America Patent
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Issued Date -
Aug 11, 2005
app pub date -
Apr 21, 2005
filing date -
Apr 19, 2002
priority date (Note) -
Abandoned
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Abstract
Described is a combination of at least two antibodies, characterized by the following properties: (a) it comprises at least two different multivalent antibodies, each one having at least two specificities and being characterized by features (b) and (d) or (b) and (c) as defined below, (b) an antigen-binding domain specific to a tumor antigen, (c) an antigen-binding domain specific to an antigen present on human T cells, or (d) an antigen-binding domain specific to an antigen present on CD3-epsilon negative human effector cells. Also described are polynucleotides encoding said antibodies as well as vectors comprising said polynucleotides, host cells transformed therewith and their use in the production of said antibodies. Finally, compositions, preferably pharmaceutical and diagnostic compositions, are described comprising the above mentioned polynucleotides, antibodies or vectors. The pharmaceutical compositions are useful for immunotherapy, preferably against B-cell malignancies, B-cell mediated autoimmune diseases and diseases associated with depletion of B-cells.
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