FIELD: biotechnology.
SUBSTANCE: group of inventions relates to biotechnology and can be used in medicine. Invention discloses an anti-claudin antibody conjugate with at least one exatecan fragment (see compound of general formula (Pc-L-Y-D)), where Pc is an antibody to claudin 18.2 or its antigen-binding fragment, and L, Y and n are as defined in the present description.
EFFECT: invention can be used in preparing a drug for treating cancer, the cells of which are characterized by high expression of claudin 18.2.
31 cl, 16 ex, 17 tbl, 5 dwg
         
      
             
         
            
              
                | Title | Year | Author | Number | 
							
              
                | ANTI-CLAUDIN 18.2 ANTIBODY AND USE THEREOF | 2020 | 
										Yan, YanGe, KhuTao, Vejkan | RU2822550C2 | 
							
              
                | CONJUGATE OF TROP-2 ANTIBODY AND EXATECAN ANALOGUE AND MEDICAL USE THEREOF | 2021 | 
										Yang YangHu QiyueTao Weikang | RU2830167C1 | 
							
              
                | ANTIBODY TO CD3 AND ITS PHARMACEUTICAL USE | 2019 | 
										Ying HuaZhang LingYang XiaoyingGe HuTao Weikang | RU2802272C2 | 
							
              
                | CONJUGATE OF ANTI-CEA ANTIBODY AND EXCATECAN ANALOGUE AND PHARMACEUTICAL USE THEREOF | 2020 | 
										Ying HuaMao LangyongWang Sijia | RU2833323C1 | 
							
              
                | PHARMACEUTICAL COMPOSITION BASED ON ANTIBODY TO PD-L1 AND ITS APPLICATION | 2018 | 
										Yan, ZhenYang, JianjianYan, XiaodanWu, ShanLiu, Xun | RU2766590C2 | 
							
              
                | CONNECTIVE TISSUE GROWTH FACTOR ANTIBODY AND USE THEREOF | 2020 | 
										Fu, YayuanMa, SyaoliGe, KhuTao, Vejkan | RU2819228C2 | 
							
              
                | PHARMACEUTICAL COMPOSITION BASED ON ANTIBODIES AGAINST CD40 AND APPLICATION THEREOF | 2019 | 
										Yang, JianjianLi, HaoLiu, XunJiang, Jiahua | RU2778572C1 | 
							
              
                | ERIBULIN DERIVATIVE DRUG CONJUGATE, METHOD FOR PREPARATION THEREOF AND USE THEREOF IN MEDICINE | 2021 | 
										Huang JianZhu LingjianYu XiuzhaoZhu BoRen WenmingTang MiSun XingYang YangLiang JindongHu Qiyue | RU2830242C1 | 
							
              
                | PHARMACEUTICAL COMPOSITION CONTAINING ANTIBODIES TO PCSK-9, AND ITS USE | 2018 | 
										Tian, ChenminLi, HaoLiu, Xun | RU2782792C2 | 
							
              
                | ANTIBODY TO PD-1, ITS ANTIGEN-BINDING FRAGMENT AND ITS PHARMACEUTICAL USE | 2020 | 
										Gu XiaolingYe XinGe HuTao Weikang | RU2807484C2 |