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摘要
The prevention of tumor recurrence after curative treatment of hepatocellular carcinoma (HCC) is unresolved. Postoperative intraarterial injection of I-131-labeled lipiodol has been proposed as adjuvant treatment. The aim of this prospective randomized trial was to evaluate if a single dose of postoperative adjuvant intraarterial I-131-lipiodol (vs. unlabeled lipiodol) could reduce the rate of intrahepatic recurrence at 2 y. Methods: Patients who underwent curative treatment for HCC and recovered within 6 wk were randomly assigned to receive a single 2,200-MBq I-131-lipiodol dose or a single unlabeled lipiodol dose on a 1:1 basis. Recurrence-free and overall survival rates were analyzed. Results: Between June 2005 and February 2009, we included 58 patients (median age of 63 y [range, 23-85 y]): 29 received intraarterial I-131-lipiodol and 29 received lipiodol adjuvant treatment. At 2 y after treatment, the rate of patients with intrahepatic recurrence was 28% in the I-131-lipiodol group and 56% in the lipiodol group (P = 0.0449). The Kaplan-Meier analysis confirmed this result, with a 2-y recurrence-free survival in the I-131-ipiodol and lipiodol groups of 73% and 45%, respectively (P = 0.0259). The 5-y recurrence-free survival rates in the I-131-lipiodol and lipiodol groups were 40% and 0%, respectively (P = 0.0184). The overall and specific survivals were not significantly different between groups (P = 0.9378 and P = 0.1339, respectively). I-131-lipiodol had no severe toxic effects. Conclusion: After curative treatment of patients with HCC, one 2,200-MBq dose of intraarterial I-131-lipiodol significantly decreased the rate of intrahepatic recurrence but failed to improve overall or specific survival.
- 出版日期2014-6
