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ArriVent's ARR-217 shows 44.8% response rate in late-stage colorectal cancer patients in Phase 1 trial

Company Fundamentals
25 Oct 2026
GlobeNewsWire
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Bullish
ArriVent's ARR-217 shows 44.8% response rate in late-stage colorectal cancer patients in Phase 1 trial

ArriVent BioPharma announced promising Phase 1 results for ARR-217, an antibody-drug conjugate targeting CDH17, in heavily pretreated gastrointestinal cancer patients. At a 6 mg/kg dose, the drug achieved a 44.8% objective response rate in colorectal cancer patients, with a manageable safety profile and no severe lung toxicity observed. These results support advancing ARR-217 into a Phase 1b dose optimization study, with further data expected in 2027. This progress marks a significant milestone for ArriVent's ADC pipeline and offers hope for patients with limited treatment options.

ArriVent's Phase 1 data for ARR-217 in gastrointestinal cancers provides context for health sector activity on Pluang. As of Oct 25, 2026 19:21 WIB, 44 of 150 health stocks rose while 105 fell. Notable movers include Inovio Pharmaceuticals Inc (INO) with a price of USD 0.90 and a 6.94% gain, Hims and Hers Health Inc (HIMS) down 4.87% at USD 27.71, and Amylx Pharmaceuticals Inc (AMLX) down 4.80% at USD 27.20.

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