Key clinical point: Longer follow-up results confirm the survival benefits and consistent safety of first-line atezolizumab + bevacizumab vs sorafenib in patients with locally advanced or metastatic and/or unresectable hepatocellular carcinoma (HCC).
Major finding: After a 15.6-month median follow-up, the median overall survival (19.2 months vs 13.4 months; stratified hazard ratio [HR] for death, 0.66; P < .001) and progression-free survival (6.9 months vs 4.3 months; HR for death/progression, 0.65; P < .001) were higher with atezolizumab + bevacizumab vs sorafenib. Treatment-related grade 3/4 adverse events occurred in 43% vs 46% of patients receiving atezolizumab + bevacizumab vs sorafenib.
Study details: Findings are from a post hoc analysis of the phase 3 IMbrave150 trial including 501 treatment-naïve patients with locally advanced or metastatic and/or unresectable HCC. Patients were randomly assigned to atezolizumab + bevacizumab or sorafenib.
Disclosures: This study was funded by F. Hoffman-La Roche (FHLR)/Genentech. All investigators reported receiving financial or nonfinancial support, providing expert testimony, being an employee of, or holding shares/stocks in various pharmaceutical companies including FHLR/Genentech.
Source: Cheng AL et al. J Hepatol. 2021 Dec 10. doi: 10.1016/j.jhep.2021.11.030 .