ArriVent Other Monday, October 26, 2026 +0.80 Positive

MRI Announces Strong Initial Phase 1 Data for ARR-217 ADC ESMO

ArriVent BioPharma released initial encouraging Phase 1 data for the ARR-217 ADC showing a 44.8% ORR at 6mg/kg in colorectal cancer patients, generally well-tolerated, and sent the stock higher post-debut.

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