RecruitingPhase 3Drug trialSHR-A1904 Compared With Investigator's Choice of Therapy in Claudin18.2 Positive Patitens With Second-line Advanced or Metastatic Gastric or Gastroesophageal Junction AdenocarcinomaThe study evaluated the overall survival (OS) of SHR-A1904 versus investigator-selected treatment in second-line CLDN18.2-positive advanced GC/GEJC patients