Lantern Pharma reports extended survival in lung cancer trial

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Lantern Pharma Reports HARMONICâ„¢ Data Showing LP-300 Progression-Free Survival Benefit Deepens with Treatment Duration in EGFR Exon 21 L858R Lung Cancer

June 2, 2026 8:13 AM EDT

Exon 21 L858R NSCLC Mutated Patients Treated Through Up to Six Cycles Reached 8.9-Month Median PFS; Durable Responses Beyond Two Years; and a Consistently Clean Safety Profile.

PFS benefit deepens with treatment duration: L858R patients treated through up to six cycles of LP-300 reached an 8.9-month median PFS, versus 8.4 months overall (n=15) future patients will be eligible to receive up to 8 doses of LP-300. Durable, deep responses: tumor reduction in over 70% of evaluable L858R patients, responses beyond two years, and a 77% clinical benefit rate. Clean, treatment-enabling safety: no... More