The CheckMate 649 trial, recently published in Nature, established chemotherapy plus nivolumab as a standard in advanced, treatment-naive gastroesophageal adenocarcinoma, with best results seen in patients with high PD-L1 expression and microsatellite unstable tumors. In contrast, nivolumab plus ipilimumab, compared with chemotherapy, showed early progression and no overall survival benefit.

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http://dx.doi.org/10.1016/j.ccell.2022.05.014DOI Listing

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