Purpose
To compare the efficacy and safety of combined treatment with lenvatinib and transarterial chemoembolization (TACE) versus TACE only in patients with unresectable hepatocellular carcinoma (uHCC).
Methods
Of the 120 patients enrolled in this study, 60 patients received treatment with TACE only, and 60 patients received TACE plus lenvatinib. We retrospectively compared the clinical outcomes including overall survival (OS), progression-free survival (PFS), and tumor response between the two groups. Both PFS and tumor response were based on the modified Response Evaluation Criteria in Solid Tumors (mRECIST). Adverse events were analyzed to assess the safety profiles.
Results
The 1-year and 2-year OS rates were significantly higher in the TACE + lenvatinib group (88.4% and 79.8%) than that in the TACE group (79.2% and 49.2%, p = 0.047). A similar PFS benefit was observed in the TACE + lenvatinib group (1-y PFS rate: 78.4% vs. 64.7%, 2-y PFS rate: 45.5% vs. 38.0%, p < 0.001). The best overall objective response rate (ORR) was also better with TACE + lenvatinib treatment (ORR: 68.3% vs. 31.7%, p < 0.001) and disease control rate (DCR) numerically increased in the TACE + lenvatinib treatment (93.3% vs. 86.7%, p = 0.224). Patients’ liver function remained comparable to baseline in the TACE + lenvatinib group. The most common adverse events were decreased albumin (55.0%), hypertension (48.3%) and decreased platelet count (46.7%) in the TACE + lenvatinib group.
Conclusions
Combination treatment with TACE and lenvatinib may significantly improve clinical outcomes over TACE monotherapy with a manageable safety profile for unresectable HCC. The efficacy of the combination treatment should be validated in prospective studies with a large sample size.
Graphical abstract
Liver and kidney cancers are notorious for drug resistance. Due to the complexity, redundancy and interpatient heterogeneity of resistance mechanisms, most efforts targeting a single pathway were unsuccessful. Novel personalized therapies targeting multiple essential drug resistance pathways in parallel hold a promise for future cancer treatment. Exploiting the multitarget characteristic of microRNAs (miRNAs), we developed a new therapeutic strategy by the combinational use of miRNA and anticancer drugs to increase drug response. By a systems approach, we identified that miR-27b, a miRNA deleted in liver and kidney cancers, sensitizes cancer cells to a broad spectrum of anticancer drugs in vitro and in vivo. Functionally, miR-27b enhances drug response by activating p53-dependent apoptosis and reducing CYP1B1-mediated drug detoxification. Notably, miR-27b promotes drug response specifically in patients carrying p53-wild-type or CYP1B1-high signature. Together, we propose that miR-27b synergizes with anticancer drugs in a defined subgroup of liver and kidney cancer patients.
Forkhead box M1 (FOXM1), a member of the Fox family of transcriptional factors, is considered to be an independent predictor of poor survival in many solid cancers. However, the underlying mechanism is not yet clear. The aim of the present study was to investigate the clinical significance of the correlation between FOXM1 and epithelial-mesenchymal transition (EMT) in non-small cell lung carcinoma and the possible mechanism responsible for FOXM1-induced EMT and metastasis. In the present study, expression levels of FOXM1 and EMT indicator proteins were determined by tissue microarray (TMA) and immunohistochemical staining, western blotting and reverse transcription-PCR (RT-PCR). Other cellular and molecular approaches including gene transfection, small interfering RNA (siRNA), and migration and invasion assays were utilized. Our results demonstrated that FOXM1 overexpression was statistically significantly associated with a higher TNM stage (p=0.036), lymph node metastasis (p=0.009) and a positive smoking history of the patients (p=0.044). Additionally, high expression of FOXM1 correlated with loss of E-cadherin expression (p<0.001) and anomalous immunopositivity of Vimentin (p=0.002). Moreover, patient survival analysis demonstrated that high expression of FOXM1 (p=0.043) and the presence of lymph node metastasis (p=0.042) were independent prognostic factors for non-small cell lung cancer (NSCLC). Furthermore, various in vitro experiments indicated that overexpression or knockdown of FOXM1 expression altered EMT through activation or inhibition of the AKT/p70S6K signaling pathway. Collectively, the results suggest that FOXM1 may be used as a prognostic indicator for patients with NSCLC and promotes metastasis by inducing EMT of lung cancer cells through activation of the AKT/p70S6K pathway. Therefore, we suggest that FOXM1 may be a potential target for lung cancer therapy.
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