Abstract
Transarterial chemoembolization (TACE) has been the standard treatment for intermediate-stage, unresectable hepatocellular carcinoma (u-HCC). However, with recent advances in systemic therapy and the emergence of the concept of TACE-refractory or -unsuitable, the effectiveness of systemic therapy, as well as TACE, has been demonstrated for patients judged to be TACE-refractory or -unsuitable. In this study, the efficacy of lenvatinib and its combination with TACE after lenvatinib was investigated in 140 patients with intermediate-stage u-HCC treated with lenvatinib mainly because of being judged to be TACE-refractory or -unsuitable. Median overall survival (OS) and progression-free survival (PFS) were 24.4 and 9.0 months, respectively, indicating a good response rate. In multivariate analysis, modified albumin-bilirubin (mALBI) grade and up to seven criteria were identified as independent factors for OS, and mALBI grade and tumor morphology were identified as independent factors for PFS. While 95% of all patients were TACE-refractory or -unsuitable, the further prognosis was prolonged by the combination with TACE after lenvatinib initiation. These findings suggest that systemic therapy should be considered for intermediate-stage u-HCC, even in patients judged to be TACE-refractory or -unsuitable. The use of TACE after the start of systemic therapy may further improve prognosis.
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