FDA Approves Tislelizumab/Chemo in Gastric/GEJ AdenocarcinomaByRoman Fabbricatore,Ariana PelosciDecember 27th 2024Data from the RATIONALE 305 trial support the approval of tislelizumab/chemotherapy in unresectable or metastatic HER2-negative gastric or GEJ adenocarcinoma.