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Article Abstract
Objective: The prognosis of large hepatocellular carcinoma (HCC) is still unfavorable due to limited and challenging treatment. CalliSpheres® microsphere-transarterial chemoembolization (CSM-TACE) is an effective therapy for general HCC but not frequently applied for large HCC. Hence, this study aimed to investigate the efficacy and safety of CSM-TACE in large HCC patients.
Materials And Methods: This prospective study analyzed 100 large HCC (tumor size >5 cm) patients receiving CSM-TACE. Treatment response, survival, change in liver function indexes, and adverse events were recorded.
Result: The best complete response, partial response, stable disease, and progressive disease rates were 2.0%, 31.3%, 65.7%, and 1.0%, respectively, leading to the best objective response rate (ORR) of 33.3% and disease control rate of 99.9%. Multivariate analysis showed that intrahepatic metastasis was independently related to poor ORR (odd ratio = 0.366, P = 0.023). The 1- and 2-year progression-free survival (PFS) rates were 88.9% and 80.6%, with a mean [95% confidence interval (CI)] PFS of 21.6 (20.4-22.9) months. The 1- and 2-year overall survival (OS) rates were 99.0% and 99.0%, with a mean (95% CI) OS of 23.8 (23.3-24.2) months. Total bilirubin (P < 0.001), alanine transaminase (P < 0.001), aspartate transaminase (P < 0.001), and α-fetoprotein (P = 0.045) were abnormal in a short-term period then stably recovered from 1 month ± 15 days after drug-eluting bead-TACE to 24 months ± 15 days. During hospitalization and postdischarge, tolerable abdominal pain and decreased appetite were common adverse events.
Conclusions: CSM-TACE shows favorable treatment response and survival with acceptable tolerance among large HCC patients, indicating that it may promote the management of these patients.
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