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    EGFRÊÇÔ­°©»ùÒòc-erbB1µÄ±í´ï²úÎÊÇ±íÆ¤Éú³¤Òò×ÓÊÜÌ壨HER£©¼Ò×å³ÉÔ±Ö®Ò»¡£¸Ã¼Ò×å°üÀ¨HER1£¨erbB1£¬EGFR£©¡¢HER2£¨erbB2£¬NEU£©¡¢HER3£¨erbB3£©¼°HER4£¨erbB4£©¡£HER¼Ò×åÔÚϸ°ûÉúÀí¹ý³ÌÖз¢»ÓÖØÒªµÄµ÷½Ú×÷Óá£

    EGFR¹ã·º·Ö²¼ÓÚ²¸È鶯ÎïÉÏÆ¤Ï¸°û¡¢³ÉÏËάϸ°û¡¢½ºÖÊϸ°û¡¢½ÇÖÊϸ°ûµÈϸ°û±íÃæ£¬EGFRÐźÅͨ·¶Ôϸ°ûµÄÉú³¤¡¢ÔöÖ³ºÍ·Ö»¯µÈÉúÀí¹ý³Ì·¢»ÓÖØÒªµÄ×÷Óá£EGFRµÈµ°°×ÀÒ°±Ëἤø¹¦ÄÜȱʧ»òÆäÏà¹ØÐźÅͨ·ÖйؼüÒò×ӵĻîÐÔ»òϸ°û¶¨Î»Òì³££¬¾ù»áÒýÆðÖ×Áö¡¢ÌÇÄò²¡¡¢ÃâÒßȱÏݼ°ÐÄѪ¹Ü¼²²¡µÄ·¢Éú¡£

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EGFRÒÖÖÆ¼ÁCO-1686µÄÑо¿½øÕ¹

Èý¡¢ÒÖÖÆ¼ÁCO-1686
    Ò©Îï¼ò½é£º        CO-1686 (AVL-301)ÊÇÒ»ÖÖ²»¿ÉÄæµÄ£¬Í»±äÑ¡ÔñÐÔµÄEGFRÒÖÖÆ¼Á£¬×÷ÓÃÓÚEGFRL858R/T790MºÍEGFRWT£¬ Ki·Ö±ðΪ21.5 nMºÍ303.3 nM¡£Phase 2¡£

    ÌåÍâ»îÐÔÑо¿£º        CO-1686 inhibits p-EGFR with IC50 ranging from 62 to 187 nM in the mutant EGFR¨Cexpressing cells, while inhibits EGFR phosphorylation with IC50 of > 2,000 nM in the three WT EGFR¨Cexpressing cells. CO-1686 selectively inhibits growth of NSCLC cells expressing mutant EGFR with GI50 ranging from 7 to 32 nM, and induces apoptosis. CO-1686¨Cresistant NSCLC cell lines exhibits signs of epithelial-mesenchymal transition and increased sensitivity to AKT inhibitors.

    ÌåÄÚ»îÐÔÑо¿£º        CO-1686 causes dose-dependent and significant tumor growth inhibition in all EGFR-mutant models as well as human EGFRL858R- and EGFRL858R/T790M-expressing transgenic mice.
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