Importantly, the difference in OS between PD‐L1 inhibitors and PD‐1 inhibitors approached significance (HR = 0.99 and 0.77, respectively, p for the subgroup difference 0.08), suggesting possible improved efficacy of PD‐1 inhibitors in gastric or GEJ adenocarcinoma, though this difference was not statistically significant.
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Efficacy of immune-checkpoint inhibitors in metastatic gastric or gastroesophageal junction adenocarcinoma by patient subgroups: A systematic review and meta-analysis.
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