ANTI-MET ANTIBODIES, BISPECIFIC ANTIGEN BINDING MOLECULES THAT BIND MET, AND METHODS OF USE THEREOF
申请人:Regeneron Pharmaceuticals, Inc.
公开号:US20180134794A1
公开(公告)日:2018-05-17
Provided herein are antibodies and bispecific antigen-binding molecules that bind MET and methods of use thereof. The bispecific antigen-binding molecules comprise a first and a second antigen-binding domain, wherein the first and second antigen-binding domains bind to two different (preferably non-overlapping) epitopes of the extracellular domain of human MET. The bispecific antigen-binding molecules are capable of blocking the interaction between human MET and its ligand HGF. The bispecific antigen-binding molecules can exhibit minimal or no MET agonist activity, e.g., as compared to monovalent antigen-binding molecules that comprise only one of the antigen-binding domains of the bispecific molecule, which tend to exert unwanted MET agonist activity. Also included are antibody-drug conjugates (ADCs) comprising the antibodies or bispecific antigen-binding molecules provided herein linked to a cytotoxic agent, radionuclide, or other moiety, as well as methods of treating cancer in a subject by administering to the subject a bispecific antigen-binding molecule or an ADC thereof.
本文提供了结合MET的抗体和双特异性抗原结合分子,以及它们的使用方法。双特异性抗原结合分子包括第一和第二抗原结合结构域,其中第一和第二抗原结合结构域结合到人类MET的细胞外结构域的两个不同(最好是不重叠的)表位。双特异性抗原结合分子能够阻断人类MET与其配体HGF之间的相互作用。双特异性抗原结合分子可以表现出最小或没有MET激动剂活性,例如,与仅包含双特异性分子的抗原结合结构域之一的单价抗原结合分子相比,后者往往会产生不需要的MET激动剂活性。还包括将本文提供的抗体或双特异性抗原结合分子连接到细胞毒性药物、放射性核素或其他部分的抗体药物共轭物(ADCs),以及通过向受试者施用双特异性抗原结合分子或其ADC来治疗受试者的癌症的方法。