Summit Therapeutics Reports Positive Phase III Overall Survival Data for Ivonescimab in Advanced NSCLC

Summit Therapeutics (NASDAQ:SMMT) announced positive overall survival results from its HARMONi-6 trial, showing ivonescimab plus chemotherapy reduced the risk of death by 34% compared to tislelizumab and chemotherapy. The median OS was 27.89 months for ivonescimab versus 23.69 months for tislelizumab.

By Maham Fatima Thu, June 4, 2026 at 12:05 PM GMT+3 1 min read · Yahoo Finance ·

Summit Therapeutics Reports Positive Phase III Overall Survival Data for Ivonescimab in Advanced NSCLC

Tickers: $SMMT

Topics: biotech cancer_treatment non-small_cell_lung_cancer pharmaceuticals

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