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Original Article
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Volume 355:873-884 August 31, 2006 Number 9
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Celecoxib for the Prevention of Sporadic Colorectal Adenomas
Monica M. Bertagnolli, M.D., Craig J. Eagle, M.D., Ann G. Zauber, Ph.D., Mark Redston, M.D., Scott D. Solomon, M.D., KyungMann Kim, Ph.D., Jie Tang, M.S., Rebecca B. Rosenstein, Ph.D., Janet Wittes, Ph.D., Donald Corle, M.S., Timothy M. Hess, M.S., G. Mabel Woloj, Ph.D., Frédéric Boisserie, William F. Anderson, M.D., M.P.H., Jaye L. Viner, M.D., M.P.H., Donya Bagheri, M.S., D.A.B.T., John Burn, M.D., Daniel C. Chung, M.D., Thomas Dewar, M.D., T. Raymond Foley, M.D., Neville Hoffman, M.D., Finlay Macrae, M.D., Ronald E. Pruitt, M.D., John R. Saltzman, M.D., Bruce Salzberg, M.D., Thomas Sylwestrowicz, M.D., Gary B. Gordon, M.D., Ph.D., Ernest T. Hawk, M.D., M.P.H., for the APC Study Investigators

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ABSTRACT

Background Studies showing that drugs that inhibit cyclooxygenase-2 (COX-2) reduce the number of colorectal adenomas in animals and patients with familial adenomatous polyposis suggest that COX-2 inhibitors may also prevent sporadic colorectal neoplasia.

Methods We randomly assigned patients who had adenomas removed before study entry to receive placebo (679 patients) or 200 mg (685 patients) or 400 mg (671 patients) of celecoxib twice daily. Randomization was stratified for the use of low-dose aspirin. Follow-up colonoscopies were performed at one and three years after randomization. The occurrence of newly detected colorectal adenomas was compared among the groups with the life-table extension of the Mantel–Haenszel test.

Results Follow-up colonoscopies were completed at year 1 in 89.5 percent of randomized patients, and at year 3 in 75.7 percent. The estimated cumulative incidence of the detection of one or more adenomas by year 3 was 60.7 percent for patients receiving placebo, as compared with 43.2 percent for those receiving 200 mg of celecoxib twice a day (risk ratio, 0.67; 95 percent confidence interval, 0.59 to 0.77; P<0.001) and 37.5 percent for those receiving 400 mg of celecoxib twice a day (risk ratio, 0.55; 95 percent confidence interval, 0.48 to 0.64; P<0.001). Serious adverse events occurred in 18.8 percent of patients in the placebo group, as compared with 20.4 percent of those in the low-dose celecoxib group (risk ratio, 1.1; 95 percent confidence interval, 0.9 to 1.3; P=0.5) and 23.0 percent of those in the high-dose group (risk ratio, 1.2; 95 percent confidence interval, 1.0 to 1.5; P=0.06). As compared with placebo, celecoxib was associated with an increased risk of cardiovascular events (risk ratio for the low dose, 2.6; 95 percent confidence interval, 1.1 to 6.1; and risk ratio for the high dose, 3.4; 95 percent confidence interval, 1.5 to 7.9).

Conclusions These findings indicate that celecoxib is an effective agent for the prevention of colorectal adenomas but, because of potential cardiovascular events, cannot be routinely recommended for this indication. (ClinicalTrials.gov number, NCT00005094 [ClinicalTrials.gov] .)


Source Information

From Brigham and Women's Hospital, Boston (M.M.B., M.R., S.D.S., J.R.S.); Pfizer, New York (C.J.E., J.T., R.B.R., G.M.W., F.B.); Memorial Sloan-Kettering Cancer Center, New York (A.G.Z.); the University of Wisconsin, Madison (K.K., T.M.H.); the Statistics Collaborative, Washington, D.C. (J.W.), the National Cancer Institute, Bethesda, Md. (D.C., W.F.A., J.L.V., E.T.H.); CCS Associates, Mountain View, Calif. (D.B.), the University of Newcastle upon Tyne, Newcastle upon Tyne, United Kingdom (J.B.); Massachusetts General Hospital, Boston (D.C.C.); Harris Methodist Hospital Fort Worth, Fort Worth, Tex. (T.D.); Regional Gastroenterology Associates of Lancaster, Lancaster, Pa. (T.R.F.), Sir Charles Gairdner Hospital, Perth, Australia (N.H.); the Royal Melbourne Hospital, Melbourne, Australia (F.M.), Nashville Medical Research Institute, Nashville (R.E.P.); Atlanta Gastroenterology Associates, Atlanta (B.S.); St. Paul's Hospital, University of Saskatchewan, Saskatoon, Canada (T.S.); and G.D. Searle, Skokie, Ill. (G.B.G.).

Address reprint requests to Dr. Bertagnolli at the Division of Surgical Oncology, Brigham and Women's Hospital, 75 Francis St., Boston, MA 02115, or at mbertagnolli{at}partners.org.

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Related Letters:

Risks and Benefits of Celecoxib to Prevent Colorectal Adenomas
Andersohn F., Suissa S., Garbe E., Solomon S., Wittes J., Arber N., Bertagnolli M., Hawk E., Levin B., the APC and PreSAP Trial Investigators , Psaty B. M., Potter J. D.
Extract | Full Text | PDF  
N Engl J Med 2006; 355:2371-2373, Nov 30, 2006. Correspondence

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