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NCT07431281 2026-02-24Sonesitatug Vedotin in Combination With Capecitabine With or Without Rilvegostomig in Participants With Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma Expressing Claudin18.2AstraZenecaPhase 3 Recruiting2,130 enrolled