Summit Regulatory Thursday, September 3, 2026 +0.10 Neutral

Ivonescimab Monotherapy Demonstrates Significant OS Benefit vs. Pembrolizumab in Phase III HARMONi-2 Study

Summit partner Akeso announced positive overall survival results from the Phase III HARMONi-2 trial in NSCLC. Ivonescimab, licensed for Summit's territories as SMT112, showed statistically significant improvement over pembrolizumab for a key endpoint, reinforcing its potential commercial value.

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