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Tϸ°ûÏνÓÆ÷£¨TCE£©Óë×÷ÓûúÖÆ

Tϸ°ûÏνÓÆ÷£¨T cell engager, TCE£©ÊÇϸ°ûÒò×Ó¡¢¼ì²éµãÒÖÖƼÁºÍTϸ°ûÁÆ·¨µÄÌæ´úÁÆ·¨£¬ËüÃÇͨ³£»ùÓÚ¿¹Ìå»ò¿¹ÌåƬ¶Î£¬Äܹ»½«ÌåÄÚÈκÎTϸ°ûÓë±í´ïÑ¡¶¨±íÃæ±êÖ¾ÎïµÄϸ°ûÁ¬½ÓÆðÀ´¡£TCE¿ÉÒÔ¾«È·¿ØÖƼÁÁ¿ºÍÉãÈëʱ¼ä£¬ÓÐÖúÓÚ×î´óÏ޶ȵؼõÉÙ¸±×÷Ó㬲¢ÇÒÉú²ú¹ý³Ì±Èϸ°ûÁÆ·¨Òª¼òµ¥µÃ¶à¡£°ÐÏòCD19¡¢CD20¡¢BCMAµÄTCEÔÚ¸´·¢/ÄÑÖÎÐÔ£¨r/r£©¼±ÐÔÁÜ°Íϸ°û°×Ѫ²¡£¨ALL£©¡¢·Ç»ôÆæ½ðÁÜ°ÍÁö£¨NHL£©¡¢¶à·¢ÐÔ¹ÇËèÁö£¨MM£©ÒѾ­¹Û²ìµ½ÁîÈËÐÅ·þµÄÍêÈ«»º½âÂÊ¡£

TCEÒ»¸ö±Û°ÐÏòÖ×ÁöÏà¹Øϸ°û±íÃ濹ԭ£¨TAA£©£¬ÁíÒ»¸ö±Û°ÐÏòTCR-CD3¸´ºÏÎïÖÐCD3¦ÅÑÇ»ù£¬½áºÏ°©Ö¢Ï¸°ûºÍTϸ°û¡£ÕâÖÖ½áºÏ´Ù½øTϸ°ûºÍ°©Ï¸°ûÖ®¼äÃâÒßÍ»´¥µÄÐγɣ¬Tϸ°û¿ÉÒÔͨ¹ýÍ»´¥½«´©¿×ËغͿÅÁ£Ã¸×¢Èëµ½¸½×ŵݩϸ°ûÖС£Í»´¥µÄÐγÉÒýÆðTCR½»ÁªºÍTϸ°û»î»¯£¬Òý·¢´ÙÑ×ϸ°ûÒò×ÓµÄÊÍ·Å£¬ÓÕµ¼Tϸ°ûÔöÖ³¡£´ÓÀíÂÛÉϽ²£¬Ã¿ÖÖϸ°û¶¾ÐÔTϸ°û±íÐͶ¼¿ÉÒÔͨ¹ýÕâÖÖ·½Ê½½áºÏ²¢²ÎÓëÁ¬Ðø°©Ï¸°ûÁѽ⣬°üÀ¨CD8+Tϸ°û£¬CD4+Tϸ°û£¬¦Ã/¦ÄTϸ°ûºÍNKTϸ°û¡£Í¨¹ýʶ±ðϸ°û±íÃ濹ԭ£¬TCEʹµÃTϸ°ûµÄ»î»¯°ÚÍÑÁËMHC·Ö×Ó¡¢¿¹Ô­ëļӹ¤ºÍ³ÊµÝÒÔ¼°TCRÌØÒìÐÔµÄÏÞÖÆ¡£

TCE-mechanism

TCE¼¼Êõƽ̨

IgG-like TCE

  • Mosunetuzumab£¨Genentech, Inc.£©

    Mosunetuzumab²ÉÓÃknobs-into-holes¼¼Êõ½øÐÐÖØÁ´Åä¶Ô£¬²ÉÓÃÌåÍâÍË»ð¼¼Êõ½øÐÐÖØÇáÁ´Åä¶Ô£¬Òѱ»Åú×¼ÓÃÓÚÖÎÁÆR/RÂËÅÝÐÔÁÜ°ÍÁö£¨FL£©¡£

    Mosunetuzumab

  • Teclistamab£¨JNJ£©

    TeclistamabÊÇÒ»ÖÖ»ùÓÚGenmab¹«Ë¾¿ª·¢DuoBody?ƽ̨µÄTCE£¬°ÐÏòBCMA/CD3£¬ÒÑÉÏÊÐÓÃÓÚÖÎÁÆr/r¶à·¢ÐÔ¹ÇËèÁö£¨MM£©¡£

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    Teclistamab

  • Epcoritamab£¨AbbVie & Genmab£©

    EpcoritamabÒ²»ùÓÚDuoBody?ƽ̨£¬×î½ü±»Åú×¼ÓÃÓÚÖÎÁÆR/RÃÖÂþÐÔ´óBϸ°ûÁÜ°ÍÁö£¨DLBCL£©¡£

  • ERY974£¨Chugai£©

    ERY974ÊÇÒ»ÖÖ°ÐÏòGlypican-3£¨GPC3£©µÄTCE£¬ÓÃÓÚÖÎÁÆʵÌåÁö£¬Ä¿Ç°´¦ÓÚÁÙ´²Ç°¿ª·¢½×¶Î¡£ËüµÄ¹¹½¨ÊÇͨ¹ýÔÚCH3½á¹¹ÓòÒýÈë¾²µçתÏòÍ»±äÀ´Çý¶¯ÖØÁ´µÄÒìÔ´¶þ¾Û»¯£¬Í¬Ê±ÀûÓù²Í¬ÇáÁ´À´±ÜÃâÇáÁ´µÄ´íÅ䣨ART-Ig£©¡£

  • REGN1979£¨Regeneron£©

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    REGN1979

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»ùÓÚ¿¹ÌåƬ¶ÎµÄTCE

ËäÈ»Fc-like TCE¾ßÓÐÌìÈ»IgGµÄÌØÐÔ£¬ÓÐÀûÓÚ¿¹ÌåÒ©ÎïµÄÖƱ¸ºÍPK/ADAÌØÐÔ£¬µ«»ò³öÓÚ¶ÀÌصÄÒ½ÁÆÄ¿µÄ£¬»òÓÉÓÚÉú²ú¹¤ÒÕ¼¼Êõ»òÉÌÒµÏÞÖÆ£¬»ùÓÚ¿¹ÌåƬ¶ÎµÄTCEÒ²Öð½¥×ßÈëÊÓÏß¡£

»ùÓÚ¿¹ÌåƬ¶ÎµÄTCEͨ³£ÊÇ¡ª¡ª

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  • ÄÑÒÔÉú²ú£¬ÈÝÒ×¾ÛºÏ/ËéƬ
  • Ìå»ýС£¬°ëË¥ÆÚ¶Ì

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Fragment-based-TCE1

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TriTAC½öº¬ÓÐÒ»ÌõëÄÁ´£¬°üº¬Èý¸ö½á¹¹Óò£¬·Ö±ð½áºÏCD3£¬ÈËѪÇå°×µ°°×ºÍTAA¡£ÆäÖнáºÏCD3±íλµÄ¿¹ÌåΪµ¥Á´¿¹Ì壨scFv£©£¬½áºÏÈËѪÇå°×µ°°×ºÍTAAµÄ¿¹ÌåΪÄÉÃ׿¹Ìå¡£
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Fragment-based-TCE2

ÆäËûÀàÐ͵ÄTCE

  • EMB-07/EMB-06

    EMB-07ÊÇÀûÓÃEpimAbµÄFIT-Igƽ̨Éè¼ÆµÄ£¬°ÐÏòROR1/CD3µÄTCE£¬ÓÃÓÚʵÌåÁöµÄÖÎÁÆ£¬Ä¿Ç°ÕýÔÚ½øÐÐÁÙ´²ÆÀ¹À¡£

    Appended-IgGÔÚ³£¹æIgGÉϸ½¼ÓscFv¡¢Fab»òÄÉÃ׿¹Ìå¡£ËüÃǵİëË¥ÆÚÓëÇ×´úIgGÏ൱¡£È»¶ø£¬·Ç×ÔÈ»½á¹¹¿ÉÄÜ»áÔö¼Ó¾Û¼¯ÐÔ¡¢²»Îȶ¨ÐÔºÍADA·çÏÕ¡£FIT-Igƽ̨ÔÚ²»ÒýÈëÍ»±ä»òÁ¬½Ó×Ó£¨linker£©µÄÇé¿öϲúÉúË«ÌØÒìÐÔ¿¹Ì壬ÓÐÀûÓÚÆäÖƱ¸ºÍÎȶ¨ÐÔ¡£

    EMB-06ÊÇÁíÒ»ÖÖ»ùÓÚFIT-Igƽ̨µÄ°ÐÏòBCMAµÄTCE£¬Ä¿Ç°Ò²ÔÚÁÙ´²ÆÀ¹ÀÖС£

  • BA1202

    BA1202ΪBoan Biotech°ÐÏòCEA/CD3µÄ¶Ô³ÆÈý¼Ûµ¥Á´¿¹Ì壬Æä¾ßÓÐÀàËƺûµûÐεĿ¹Ìå½á¹¹£ºFab¶ËÓëCEAË«¼Û½áºÏ£¬¶øÇáÁ´C¶ËÁ¬½ÓµÄ¶þ¼Ûµ¥Á´¿¹ÌåÓëCD3µ¥¼Û½áºÏ£¨¿ÉÄÜÊÇÓÉÓڿռ乹ÏóµÄ¸Ä±ä»òÇ׺ÍÁ¦½µµÍ£©£¬Ä¿Ç°ÒѽøÈëÁÙ´²ÊÔÑé½×¶Î¡£

  • Cibisatamab (RG7802)

    CibisatamabÊÇÒ»ÖÖ°ÐÏòCEA/CD3µÄTCE£¬Í¨¹ý½«µÚ¶þ¸öÓëCEA½áºÏµÄFabÇøÌí¼Óµ½¶Ô³ÆKIH½á¹¹À´ÊµÏÖÓë¼²²¡°ÐµãµÄ¡°µÍÇ׺ÍÁ¦£¨affinity£©¸ßÇ׺ÏÁ¦£¨avidity£©¡±½áºÏ£¬ÊÔͼͨ¹ý¼õÉÙÍѰж¾ÐÔÀ´ÊµÏÖÁÆЧºÍ°²È«ÐÔµÄƽºâ¡£Ä¿Ç°¸ÃTCEÕýÔÚÁÙ´²ÊÔÑéÖС£

    TCE-Other-Than-Discussed1

  • CX-904

    CX-904ÊÇÓÉCytomx¹«Ë¾Îª¾«×¼°ÐÏòÉè¼ÆµÄÇ°ÌåÒ©ÎÔÚÖ×Áö΢»·¾³ÖÐͨ¹ýÌØÒìÐÔµ°°×Ë®½âÌõ¼þ±»¼¤»î£¬°ÐÏòEGFR/CD3£¬Ä¿Ç°ÕýÔÚÁÙ´²ÊÔÑéÖС£

  • Imvotamab (IGM-2323)

    ImvotamabÊÇ°ÐÏòCD20ºÍCD3µÄIgMͬÖÖÐÍTCE¡£ImvotamabÓµÓÐ10¸öCD20½áºÏÓò£¬±ÈIgGͬÖÖÐ͵Ŀ¹ÌåÓиü¸ßµÄÇ׺ÏÁ¦£¬´Ó¶øÄܹ»¿Ë·þ°Ðµã¼õÉÙÒýÆðµÄÄÍÒ©£¬²¢ÊµÏÖ±ÈÄ¿Ç°ÒÑÅú×¼µÄ¿¹ÌåÁÆ·¨¸üºÃµÄÁÆЧ¡£¸Ã¹«Ë¾¸ü¶àµÄIgM TCEÒ©Îï°üÀ¨IgM-2644(CD38/CD3)ºÍIgM-2537(CD123/CD3)¡£

  • TNB-486

    TNB-486ÊÇÒ»ÖÖÓÉTenobio¹«Ë¾¿ª·¢°ÐÏòCD19µÄ²»¶Ô³ÆTCE¡£ËüµÄÐÎʽ½éÓÚIgG-like TCEºÍ»ùÓÚ¿¹ÌåƬ¶ÎTCEÖ®¼ä¡£ËüÓÉÒ»°ë½áºÏCD3µÄIgGºÍÒ»°ë½áºÏCD19µÄÖØÁ´¿¹Ì壨HcAb£©×é³É£¬Ä¿Ç°ÕýÕë¶Ôr/r BÁÜ°ÍÁö½øÐÐÁÙ´²ÆÀ¹À¡£

  • YBODY

    ÓëTNB-486¸ñʽÏàËÆ£¬YZYBio¹«Ë¾µÄYBODYƽ̨ÓÉÒ»°ëÓë¼²²¡°Ðµã½áºÏµÄIgGºÍÒ»°ëÓëCD3½áºÏµÄscFv×é³É¡£Ò»Ð©»ùÓÚYBODYƽ̨µÄTCEÄ¿Ç°ÕýÔÚÁÙ´²ÊÔÑéÖУ¬ÈçM802£¨HER2/CD3£©¡£

    TCE-Other-Than-Discussed2

²Î¿¼ÎÄÏ×
[1]Baeuerle PA, Wesche H. T-cell-engaging antibodies for the treatment of solid tumors: challenges and opportunities. Curr Opin Oncol. 2022 Sep 1;34(5):552-558. doi: 10.1097/CCO.0000000000000869.
[2]Pillarisetti K, Powers G, Luistro L, et al.Teclistamab is an active T cell-redirecting bispecific antibody against B-cell maturation antigen for multiple myeloma. Blood Adv. 2020 Sep 22;4(18):4538-4549. doi: 10.1182/bloodadvances.2020002393.
[3]Smith, E., Olson, K., Haber, L. et al. A novel, native-format bispecific antibody triggering T-cell killing of B-cells is robustly active in mouse tumor models and cynomolgus monkeys. Sci Rep 5, 17943 (2016). https://doi.org/10.1038/srep17943.

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