A multi-specific antibody targeting the HER2 extracellular domain II and the antigen on the immune effector cell is provided, and a conjugate of the antibody and the nano particle is provided, and the conjugate can further comprise a binding part specifically binding the HER2 extracellular domain IV. A pharmaceutical composition including the multi-specific antibody or its conjugate and the use of the multi-specific antibody or its conjugate in the preparation of a drug for the treatment of HER2 positive tumors are also provided.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。/n
【技术特征摘要】
【国外来华专利技术】20170317...
【专利技术属性】
技术研发人员:王忠,于浩洋,
申请(专利权)人:本康生物制药深圳有限公司,
类型:发明
国别省市:广东;44
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