Abstract
Purpose
The prognosis in advanced biliary carcinoma has remained poor. The purpose of this study was to investigate the efficacy of intraarterial 5-fluorouracil and interferon therapy against unresectable biliary carcinoma.
Methods
Patients with unresectable biliary carcinoma with performance status 0 or 1 were enrolled between January 2002 and September 2012. They received pegylated interferon-α 2a and intraarterial 5-FU every 4 weeks. The therapy was either terminated at the end of the first cycle for the patients with progressive disease or continued for at least three cycles. Patients' characteristics (physical, laboratory and radiographic) at the time of starting intraarterial 5-FU therapy were investigated. The relationship between the patients’ characteristics and outcome, i.e., survival time and radiographic therapeutic evaluation of patients, was statistically analyzed.
Results
Tumor sites were the intrahepatic bile ducts in 23 patients and gallbladder in 2 patients. Previous treatment had been administered in ten patients. The overall response rate was 24 % (6 partial responses in 25 patients). Stable disease was observed in 13 patients. The median overall survival was 358 days. Among the six partial responses, three patients received surgery, and one patient received radiofrequency ablation because clinical downstaging was obtained. The treatment was well tolerated. The survival analyses revealed that two factors (serum albumin ≥3.5 and hypovascular tumor) were significantly associated with overall survival.
Conclusions
Combination therapy with 5-FU and interferon-α was safe and may improve the prognosis of advanced biliary carcinomas.
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Compliance with ethical requirements and Conflict of interest
All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5). Informed consent was obtained from all patients for being included in the study. Yoko Yashima, Shinpei Sato, Toshihiro Kawai, Takafumi Sugimoto, Takahisa Sato, Miho Kanda and Shuntaro Obi declare that they have no conflicts of interest. This study does not contain any studies with animal subjects. This study was approved by our hospital's ethics committee, and written informed consent was obtained from all patients.
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Yashima, Y., Sato, S., Kawai, T. et al. Intraarterial 5-fluorouracil and interferon therapy is safe and effective for nonresectable biliary tract adenocarcinoma. Hepatol Int 9, 142–148 (2015). https://doi.org/10.1007/s12072-014-9583-z
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DOI: https://doi.org/10.1007/s12072-014-9583-z