发明名称 Compositions and methods for treating IgE-mediated disorders
摘要 The present invention relates to immunoglobulins that bind IgE and FcγRIIb with high affinity, said compositions being capable of inhibiting cells that express membrane-anchored IgE. Such compositions are useful for treating IgE-mediated disorders, including allergies and asthma.
申请公布号 US9617348(B2) 申请公布日期 2017.04.11
申请号 US201313860500 申请日期 2013.04.10
申请人 Xencor, Inc. 发明人 Desjarlais John R.;Chu Seung Y.;Horton Holly M.;Bernett Matthew J.
分类号 A61K39/395;C07K16/42;C07K16/46 主分类号 A61K39/395
代理机构 Morgan, Lewis & Bockius, LLP 代理人 Silva Robin M.;Nguyen Louis T.;Morgan, Lewis & Bockius, LLP
主权项 1. An antibody comprising: a) a heavy chain comprising: i) heavy chain variable region comprising SEQ ID NO: 17; andii) a variant Fc domain of a human parent IgG Fc polypeptide; and b) a light chain comprising a light chain variable region comprising SEQ ID NO: 21, wherein said variant Fc region has increased binding to FcγIIb relative to said human parent IgG Fc polypeptide.
地址 Monrovia CA US