Sucralfate in the prevention of treatment-induced diarrhea in patients receiving pelvic radiation therapy: A North Central Cancer Treatment Group Phase III Double-Blind Placebo-Controlled Trial

James A. Martenson, John W. Bollinger, Jeff A. Sloan, Paul J. Novotny, Rodolfo E. Urias, John C. Michalak, Thomas G. Shanahan, James A. Mailliard, Ralph Levitt

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Abstract

Purpose: Randomized studies have suggested that sucralfate is effective in mitigating diarrhea during pelvic radiation therapy (RT). This North Central Cancer Treatment Group study was undertaken to confirm the antidiarrheal effect of sucralfate. Several other measures of bowel function were also assessed. Patients and Methods: Patients receiving pelvic RT to a minimum of 45 Gy at 1.7 to 2.1 Gy/d were eligible for the study. Patients were assigned randomly, in double-blind fashion, to receive sucralfate (1.5 g orally every 6 hours) or an identical looking placebo during pelvic RT. Results: One hundred twenty-three patients were randomly assigned and found assessable. Overall, there was no significant difference in patient characteristics between those receiving sucralfate and those receiving placebo. Moderate or worse diarrhea was observed in 53% of patients receiving sucralfate versus 41% of those receiving placebo. Compared with patients receiving placebo, more sucralfate-treated patients reported fecal incontinence (16% v 34%, respectively; P = .04) and need for protective clothing (8% v 23%, respectively; P = .04). The incidence and severity of nausea were worse among those taking sucralfate (P = .03). Analysis of patient-reported symptoms 10 to 12 months after RT showed a nonsignificant trend toward more problems in patients taking sucralfate than in those taking placebo (average, 2.3 v 1.9 problems, respectively; P = .34). Conclusion: Sucralfate did not decrease pelvic RT-related bowel toxicity by any of the end points measured and seems to have aggravated some gastrointestinal symptoms. (C) 2000 by American Society of Clinical Oncology.

Original languageEnglish (US)
Pages (from-to)1239-1245
Number of pages7
JournalJournal of Clinical Oncology
Volume18
Issue number6
DOIs
StatePublished - Mar 2000

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ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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