Πέμπτη 1 Σεπτεμβρίου 2016

A pilot study of concurrent chemoradiotherapy with gemcitabine and cisplatin in patients with locally advanced biliary tract cancer

Abstract

Purpose

Combination chemotherapy with gemcitabine and cisplatin is a standard treatment for patients with advanced biliary tract cancer. This study aimed to evaluate the efficacy and safety of gemcitabine- and cisplatin-based concurrent chemoradiotherapy in patients with unresectable biliary tract cancer.

Methods

Patients with pathologically proven, unresectable, non-metastatic biliary tract cancer were enrolled. Gemcitabine was administered intravenously at a dose of 1000 mg/m2 on days 1, 8, and 15. Cisplatin was administered intravenously at a dose of 70 mg/m2 on day 1. All the patients underwent concurrent radiotherapy with 45 Gy in 1.8-Gy daily fractions. After treatment completion, tumor response was evaluated by using computed tomography.

Results

Eighteen patients were enrolled between June 2007 and October 2011. Their median age was 61 years (range, 38–72 years). Eight patients (44.5 %) were diagnosed with gallbladder cancer, six (33.3 %) with Klatskin's tumor, and four (22.2 %) with distal common bile duct cancer. After treatment completion, partial response was achieved in five patients (27.8 %) and stable disease in 13 patients (72.2 %). The overall response rate was 27.8 %, and the disease stabilization rate was 100 %. No grade 4 adverse events or treatment-related deaths occurred. The most common grade 3 adverse events were thrombocytopenia (33.3 %) and anemia (11.1 %). The median progression-free and overall survival times were 6.8 months (range, 4.5–19.8 months) and 9.6 months (5.4–30.4 months), respectively.

Conclusions

This study shows that gemcitabine- and cisplatin-based concurrent chemoradiotherapy is feasible and tolerable in patients with unresectable and non-metastatic biliary tract cancer.



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