Indication of suitable transarterial chemoembolization and multikinase inhibitors for intermediate stage hepatocellular carcinoma

Prognosis of patients with intermediate stage hepatocellular carcinoma (HCC) treated with transcatheter arterial chemoembolization (TACE) is unsatisfactory. The present study analyzed the indications for suitable TACE in patients with intermediate stage HCC. Additionally, it was investigated whether further TACE or switching to multi-kinase inhibitors (MKIs) was more beneficial for patients with HCC recurrence following initial TACE. The present retrospective study included 238 patients with intermediate stage HCC who were initially treated with TACE (median age, 74 years). A decision-tree analysis was employed to investigate the therapeutic effect profiles and overall survival (OS) rates. In the decision-tree analysis for OS, complete response (CR) by initial TACE was selected as the most important variable. In the decision-tree analysis for CR, <3 liver segments with nodule, simple nodular type and within the up-to-seven criteria were selected as the first, second and third variables associated with a high CR rate (35–64%), respectively. In patients with HCC recurrence having ≥3 liver segments with nodule, out of the up-to-seven criteria, and Child-Pugh class A, the median survival time was significantly longer in those who were treated by switching to MKIs compared with further TACE (44.9 vs. 21.9 months; P=0.003). In intermediate stage HCC, the indications for suitable TACE criteria may be ‘<3 liver segments with nodule’, ‘simple nodular type’, and ‘within the up-to-seven criteria’. Additionally, in patients who were ineligible for TACE criteria, the switch to MKIs may improve the prognosis compared with further TACE in cases of HCC recurrence following first TACE.