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Cohen SJ, Dobelbower Jr R, Lipsitz S, Catalano PJ, Sischy B, Smith TJ, Haller DG
A randomized phase III study of radiotherapy alone or with 5-fluorouracil and mitomycin-C in patients with locally advanced adenocarcinoma of the pancreas: Eastern Cooperative Oncology Group study E8282
International Journal of Radiation Oncology Biology Physics (2005) 62:1345-1350.
Purpose: The median survival time of patients with locally advanced adenocarcinoma of the pancreas is 8-10 months. Radiation therapy has been used to improve local control and palliate symptoms. This randomized study was undertaken to determine whether the addition of 5-fluorouracil (5-FU) and mitomycin-C (MMC) to radiation therapy improves outcome in this patient population. Patients and Methods: One hundred fourteen patients were randomized to receive 59.4 Gy external beam radiotherapy in 1.8 Gy fractions alone or in combination with 5-FU (1,000 mg/m2/day for 4 days by continuous infusion Days 2-5 and 28-31) and MMC (10 mg/m2 on Day 2). Results: One hundred four patients were evaluable for efficacy. Hematologic and nonhematologic toxicities were more common in the combination arm. The response rates were 6% in the radiation therapy arm and 9% in the combination arm. There were no differences in median disease-free survival time (DFS) or overall survival time (OS) between the combination and radiation therapy alone arms: 5.1 vs. 5.0 months, respectively, for DFS (p = 0.19) and 8.4 vs. 7.1 months, respectively, for OS (p = 0.16). Conclusion: The addition of 5-FU and MMC to radiotherapy increased toxicity without improving DFS or OS in patients with locally advanced pancreatic cancer. Alternative drugs for radiosensitization may improve outcome. © 2005 Elsevier Inc.
Publication Date: 2005-01-01.
Last updated on Wednesday, February 05, 2020