18/08/2025 Izalontamab brengitecan received the Breakthrough Therapy Designation by the US FDA for EGFR-mutated NSCLC (Ref) The US FDA granted the Breakthrough Therapy Designation to SystImmune and Bristol Myers Squibb's izalontamab brengitecan (EGFR x HER3 bispecific ADC) for the treatment of locally advanced or metastatic NSCLC with EGFR exon 19 deletions or exon 21 L858R substitution mutations whose disease has progressed on or after treatment with an EGFR TKI and platinum