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Long-Term Treatment with Sulindac in Familial Adenomatous Polyposis: A Prospective Cohort Study
authors: Cruz-Correa M, Hylind L M, Romans K E, Booker S V, Giardiello F Msummary/abstract:
BACKGROUND & AIMS : Management of patients with familial adenomatous polyposis (FAP) can consist of colectomy with ileorectal anastomosis (IRA). Sulindac, a nonsteroidal anti-inflammatory drug, causes regression of colorectal adenomas in the retained rectal segment of FAP patients, although long-term use of this therapy has not been studied. We evaluated the long-term effectiveness and toxicity of sulindac in attempting to maintain retained rectal segments free of adenomas.
METHODS : Twelve FAP patients (5 women), mean age 37.1 years, with IRA received sulindac (mean dosage, 158 mg/day) for a mean period of 63.4 +/- 31.3 months (range, 14-98 months). Number, size, and histologic grade of polyps, side effects, and medication compliance were assessed every 4 months.
RESULTS : Seven of 12 patients (58%) remained in the study (6 of these polyp-free) for a mean of 76.9 +/- 27.5 months. Five of 12 patients (42%) withdrew from the trial after a mean follow-up period of 44 +/- 28 months (range, 14-89 months). A significant regression of polyp number was observed in all patients at 12 months (P = 0.039) and at a mean of 63.4 +/- 31.3 months (P = 0.006). Prevention of recurrence of higher-grade adenomas (tubulovillous, villous adenomas) was also observed (P = 0.004). At 35 months of follow-up, 1 patient developed stage III cancer in the rectal stump. The most common side effect was rectal mucosal erosions in 6 patients.
CONCLUSIONS : Long-term use of sulindac seems to be effective in reducing polyp number and preventing recurrence of higher-grade adenomas in the retained rectal segment of most FAP patients. Erosions at the IRA site can preclude adequate dose maintenance.organization: The Johns Hopkins University School of Medicine
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