Estudo de pembrolizumabe mais quimioterapia versus placebo mais quimioterapia em participantes com adenocarcinoma gástrico ou da junção gastroesofágica
The purpose of this study is to evaluate the efficacy of pembrolizumab (MK-3745) in the neoadjuvant (prior to surgery) or adjuvant (after surgery) treatment of previously untreated adults with gastric and