TYK Medicines says China regulator grants conditional approval for TY-9591 lung cancer drug

• China’s NMPA granted conditional marketing clearance for TY-9591, a next-generation EGFR-TKI, for first-line EGFR-mutant NSCLC with CNS metastases.
• Authorization covers adult patients with EGFR exon 19 deletion or exon 21 L858R substitution mutations.

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