Biochemical modulation of 5-FU in systemic treatment of advanced colorectal cancer

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16 Scopus citations

Abstract

Randomized studies have tested a variety of strategies to improve the activity of 5-fluorouracil (5-FU) in colorectal cancer patients. Results from 14 randomized trials comparing 5-FU administered via intravenous (IV) bolus either as a single agent or modulated by leucovorin indicate a significantly higher response rate with 5-FU/leucovorin (25% vs 13% of assessable patients). Sequential methotrexate followed by IV bolus 5-FU is associated with a higher response rate. Continuous infusion schedules also produce superior response rates compared to bolus 5-FU alone. Published meta-analyses indicate a small, but statistically significant, survival advantage for methotrexate/5-FU and infusional 5-FU, but not for leucovorin-modulated 5-FU. Although the incidence of hand-foot syndrome is higher with protracted infusional 5-FU, the incidence of other toxicities including myelosuppression, diarrhea, and mucositis is low. Oral administration of 5-FU may simulate infusional schedules while avoiding catheter-related complications.

Original languageEnglish (US)
Pages (from-to)13-19
Number of pages7
JournalONCOLOGY
Volume15
Issue number1 SUPPL. 2
StatePublished - 2001

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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