Bland Embolization of Hepatocellular Carcinoma Using Superabsorbent Polymer Microspheres
- Osaka University Graduate School of Medicine, Department of Diagnostic and Interventional Radiology (Japan)
- Gate Tower Institute for Image Guided Therapy (Japan)
- Kochi Health Sciences Center, Department of Radiology (Japan)
The purpose of this study was to investigate the clinical outcomes of bland embolization using superabsorbent polymer microspheres (SAP-TAE) as an initial therapeutic option for previously untreated hepatocellular carcinoma (HCC) ineligible for resection or ablation. Fifty-nine patients with previously untreated HCC unamenable to surgery or ablation underwent bland embolization using 100- to 200-{mu}m reconstituted SAP particles (SAP-TAE) as the initial treatment. SAP-TAE was repeated as needed based on tumor response but was switched to chemoembolization when necessary to control residual or progressive tumor. Early tumor response was assessed by contrast-enhanced CT according to RECIST and EASL criteria 1 month after the initial SAP-TAE. The overall survival was calculated using the Kaplan-Meier method. The overall mean follow-up period was 30.6 months (range, 7-59 months). A total of 121 sessions of SAP-TAE were performed, with 1-5 sessions per patient (mean, 2.1 sessions). The mean period of repeated SAP-TAE was 15.6 months (range, 1-51 months), and it exceeded 1 and 2 years in 32 (54%) and 15 (25%) patients, respectively. Thirteen (22%) patients underwent repeated SAP-TAE alone, and the remaining 46 (78%) patients underwent subsequent chemoembolization. No major complication was observed and postembolization syndrome was minimal after SAP-TAE in all patients. Response rate was 14% and 66% by RECIST and EASL criteria, respectively. Overall survival rates were 100% and 83% at 1 and 2 years, respectively, and median survival time was 30 months. In conclusion, SAP-TAE was a safe and repeatable option as the induction therapy for HCC unamenable to surgery or ablation, despite the high incidence of converting to TACE during the total course.
- OSTI ID:
- 21450326
- Journal Information:
- Cardiovascular and Interventional Radiology, Vol. 31, Issue 6; Other Information: DOI: 10.1007/s00270-008-9369-6; Copyright (c) 2008 Springer Science+Business Media, LLC; ISSN 0174-1551
- Country of Publication:
- United States
- Language:
- English
Similar Records
Transarterial Chemoembolization With Cisplatin as Second-Line Treatment for Hepatocellular Carcinoma Unresponsive to Chemoembolization With Epirubicin-Lipiodol Emulsion
Bland Embolization in Patients with Unresectable Hepatocellular Carcinoma Using Precise, Tightly Size-Calibrated, Anti-Inflammatory Microparticles: First Clinical Experience and One-Year Follow-Up