Astellas Doses First PatientBeyond's analysis on Astellas Doses First Patient2026-08-25 — Astellas initiates Phase 3 trial of ASP2138 for CLDN18.2-positive gastric cancer, advancing its oncology pipelineRecent news mentioning Astellas Doses First Patient2026-08-24 — Astellas Doses First Patient in Phase 3 Study of ASP2138 in CLDN18.2-postive and HER2-negative locally advanced unresectable or metastatic gastric or gastroesophageal junction (GEJ) adenocarcinomaAppears alongsidePhaseStudyASP2138CLDN18.2-postiveHER2-negativeBrowse the full archive →