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Background 95% CI 8.8-16.2). Subgroup analyses showed that the treatment effect of pembrolizumab was generally similar across baseline participant characteristics, including viral status, Barcelona Clinic Liver Cancer stage, and geographic region. Conclusions: Meta-analysis of KEYNOTE-240 and KEYNOTE-394 showed that pembrolizumab provides clinically meaningful improvement in overall survival, progression-free survival, and objective response rate. This analysis expands on findings from each study individually and provides further evidence of the global benefit of pembrolizumab as second-line therapy for advanced HCC after prior sorafenib- or oxaliplatin-based therapy. Impact and implications: To obtain a more precise estimate of the pembrolizumab treatment effect in participants with previously treated advanced hepatocellular carcinoma, we performed a meta-analysis of efficacy using pooled participant data from the phase III KEYNOTE-240 and KEYNOTE-394 studies. Subgroup analyses showed that the treatment effect of pembrolizumab was generally similar across baseline characteristics, including viral status, Barcelona Clinic Liver Cancer stage, and geographic region. This meta-analysis provides further evidence of the global benefit of pembrolizumab as second-line therapy for advanced hepatocellular carcinoma. Clinical Trials Registration: Registered at ClinicalTrials.gov NCT02702401 (KEYNOTE-240) and NCT03062358 (KEYNOTE-394).
Finn et al. (Tue,) studied this question.