AstraZeneca drug shows survival benefit in gastric cancer trial

Go back to AstraZeneca drug shows survival benefit in gastric cancer trial

Sonesitatug vedotin demonstrated a statistically significant and highly clinically meaningful improvement in overall survival in 2nd and later-line CLDN18.2-positive advanced gastric/GEJ cancers

July 27, 2026 7:05 AM EDT

Results provide opportunity to expand CLDN18.2 positivity to 25% expression, representing approximately 60% of patients in this setting

CLARITY-Gastric01 is the first Phase III trial to show overall survival benefit with an anti-CLDN18.2 ADC in this setting

First pivotal readout from AstraZenecas wholly owned ADC portfolio

WILMINGTON, Del.--(BUSINESS WIRE)-- Positive high-level results from the CLARITY-Gastric01 global Phase III trial showed that sonesitatug vedotin (Sone-Ve) demonstrated a statistically significant and highly clinically meaningful improvement in overall survival (OS) in 2nd and later-line Claudin... More