Daiichi Sankyo Initiates P-II Study of Patritumab Deruxtecan in Patients with EGFR-Mutated NSCLC

Shots:

• The P-II HERTHENA-Lung01 study involves assessing patritumab deruxtecan in 420 patients in a ratio (1:1) with EGFR-mutated m/ LA NSCLC prior treated with TKI and Pt-based CT. The first patient has been dosed in P-II study
• The 1EPs of P-II study include ORR and 2EPs include DoR, PFS, DCR, and time to response. Moreover, the level of HER3 protein expression in tumor tissue and its relationship with efficacy will be analyzed along with its PK and immunogenicity
• Patritumab deruxtecan is an investigational ADC and is comprised of a human anti-HER3 Ab attached to a topoisomerase I inhibitor payload via a stable tetrapeptide-based cleavable linker

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