First-line modified FOLFOX plus/minus nivolumab and Ipilimumab or FLOT plus nivolumab in advanced gastroesophageal adenocarcinoma: a phase II multi-cohort trial.

ABSTRACT: This multi-cohort study evaluates whether dual immune checkpoint inhibition with nivolumab and ipilimumab in parallel or sequentially, or triplet chemotherapy with nivolumab can enhance efficacy as first-line therapy for advanced or metastatic gastroesophageal adenocarcinoma. Patients are randomized 1:1 to Arm A (mFOLFOX + nivolumab 240 mg every two weeks + ipilimumab 1 mg/kg every six weeks in parallel or Arm B (mFOLFOX). Subsequently, patients are randomized 1:2 to Arm A1 (identical to Arm A) or Arm A2 (three cycles of mFOLFOX followed by nivolumab + ipilimumab). In Arm C all patients receive FLOT + nivolumab. Primary endpoint is progression-free survival. Secondary endpoints include overall survival and objective response rate. Median progression-free survival (months) is: Arm A/A1, 5.8

SUBMITTER: Lorenzen S 

PROVIDER: S-EPMC12948978 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature