Abstract
PurposePrevious reports suggest that contrast-enhanced ultrasonography (CEUS) is useful for predicting the efficacy of sorafenib and lenvatinib treatment. However, there are no reports on the utility of CEUS for predicting the efficacy of atezolizumab plus bevacizumab combination therapy (Atezo + Bev). This study aimed to identify CEUS parameters for predicting the efficacy of Atezo + Bev.MethodsA total of 30 patients with hepatocellular carcinoma (HCC) treated with Atezo + Bev who underwent CEUS before and 5 weeks after treatment initiation were included.ResultsPost area under the curve (post AUC) was identified as a predictive factor for early progressive disease (PD). The optimal cut-off value of post AUC for predicting progression-free survival (PFS) was 61.3.ConclusionThe results of this study suggest that CEUS at 5 weeks after initiation of Atezo + Bev may predict PFS in HCC patients. Changes to the treatment plan may need to be considered in patients with post AUC > 61.3.
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