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Radiother Oncol. 2011 May;99(2):114-9. doi: 10.1016/j.radonc.2011.05.038. Epub 2011 May 27.

Long-term results of full-dose gemcitabine with radiation therapy compared to 5-fluorouracil with radiation therapy for locally advanced pancreas cancer.

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  • 1Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, USA.

Abstract

PURPOSE:

To retrospectively compare the efficacy and toxicity of full-dose gemcitabine based chemoradiotherapy (GemRT) versus 5-fluorouracil (5-FU) based chemoradiotherapy (5FURT) for locally advanced pancreas cancer (LAPC).

METHODS:

From January 1998 to December 2008, 93 patients with LAPC were treated either with 5FURT (n=38) or GemRT (n=55). 5FURT consisted of standard-field radiotherapy given concurrently with infusional 5-FU or capecitabine. GemRT consisted of involved-field radiotherapy given concurrently with full-dose gemcitabine (1000mg/m(2) weekly) with or without erlotinib. The follow-up time was calculated from the time of diagnosis to the date of death or last contact.

RESULTS:

Patient characteristics were not significantly different between treatment groups. The overall survival (OS) was significantly better for GemRT compared to 5FURT (median 12.5months versus 10.2months; 51% versus 34% at 1year; 12% versus 0% at 3years; 7% versus 0% at 5years, respectively; all P=0.04). The OS benefit of GemRT was maintained on subset analysis without concurrent erlotinib or with sequential gemcitabine (all P<0.05). The rates of distant metastasis, subsequent hospitalization, acute and late grade 3-5 gastrointestinal toxicities were not significantly different between the GemRT and 5FURT groups.

CONCLUSIONS:

GemRT was associated with an improved OS compared to standard 5FURT. This approach yielded long-term survivors and was not associated with increased hospitalization or severe gastrointestinal toxicity.

Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

PMID:
21621866
[PubMed - indexed for MEDLINE]
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