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Background/Aim: The aim of this study was to investigate the outcomes of atezolizumab plus bevacizumab in patients with advanced hepatocellular carcinoma (HCC), including those with disease refractory to lenvatinib, in clinical practice. Patients and Methods: Of 34 patients treated with atezolizumab plus bevacizumab, a total of 23, including 16 with lenvatinib failure, were enrolled in this retrospective study. The adverse events, changes in liver function and antitumor responses at 6 weeks after starting therapy were evaluated. Results: The incidence of grade 3 adverse events was low, at 13.0%. Albumin-bilirubin scores did not worsen at 3 and 6 weeks compared to baseline. The objective response rate and disease control rate at 6 weeks were 17.4% and 78.3% according to Response Evaluation Criteria in Solid Tumors (RECIST), and 30.4% and 78.3% according to modified RECIST, respectively. Conclusion: Our results suggest that atezolizumab plus bevacizumab might have potential therapeutic safety and efficacy in patients with advanced HCC, including those with disease refractory to lenvatinib. Further studies are needed to confirm the outcomes of atezolizumab plus bevacizumab after lenvatinib failure.
Kuzuya et al. (2021) studied this question.