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Chemoradiotherapy with concurrent gemcitabine and cisplatin with or without sequential chemotherapy with gemcitabine/cisplatin vs chemoradiotherapy with concurrent 5-fluorouracil in patients with locally advanced pancreatic cancer--a multi-centre randomised phase II study.

Author(s): Wilkowski R, Boeck S, Ostermaier S, Sauer R, Herbst M, Fietkau R, Flentje M, Miethe S, Boettcher HD, Scholten T, Bruns CJ, Rau HG, Hinke A, Heinemann V

Affiliation(s): Department for Radiotherapy and Radiooncology, Klinik Bad Trissl, Oberaudorf, Germany.

Publication date & source: 2009-12-01, Br J Cancer., 101(11):1853-9. Epub 2009 Nov 10.

Publication type: Clinical Trial, Phase II; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

BACKGROUND: No standard treatment for locally advanced pancreatic cancer (LAPC) is defined. PATIENTS AND METHODS: Within a multi-centre, randomised phase II trial, 95 patients with LAPC were assigned to three different chemoradiotherapy (CRT) regimens: patients received conventionally fractionated radiotherapy of 50 Gy and were randomised to concurrent 5-fluorouracil (350 mg m(-2) per day on each day of radiotherapy, RT-5-FU arm), concurrent gemcitabine (300 mg m(-2)), and cisplatin (30 mg m(-2)) on days 1, 8, 22, and 29 (RT-GC arm), or the same concurrent treatment followed by sequential full-dose gemcitabine (1000 mg m(-2)) and cisplatin (50 mg m(-2)) every 2 weeks (RT-GC+GC arm). Primary end point was the overall survival (OS) rate after 9 months. RESULTS: The 9-month OS rate was 58% in the RT-5-FU arm, 52% in the RT-GC arm, and 45% in the RT-GC+GC arm. Corresponding median survival times were 9.6, 9.3, and 7.3 months (P=0.61) respectively. The intent-to-treat response rate was 19, 22, and 13% respectively. Median progression-free survival was estimated with 4.0, 5.6, and 6.0 months (P=0.21). Grade 3/4 haematological toxicities were more frequent in the two GC-containing arms, no grade 3/4 febrile neutropaenia was observed. CONCLUSION: None of the three CRT regimens tested met the investigators' definition for efficacy; the median OS was similar to those previously reported with gemcitabine alone in LAPC.

Page last updated: 2010-10-05

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