Summit Regulatory Wednesday, August 26, 2026 +0.80 Positive

Partner Demonstrates Significant OS Benefit in First-Line BTC Study

Ivonescimab plus chemotherapy showed statistically significant overall survival superior to Durvalumab plus chemo in the advanced biliary tract cancer Phase III HARMONi-GI1 trial, a significant early-stage development for Summit's partner Akeso.

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