Celecoxib versus Diclofenac and Omeprazole in Reducing the Risk of Recurrent Ulcer Bleeding in Patients with Arthritis
Francis K.L. Chan, M.D., Lawrence C.T. Hung, M.D., Bing Y. Suen, R.N., Justin C.Y. Wu, M.D., Kenneth C. Lee, Ph.D., Vincent K.S. Leung, M.D., Aric J. Hui, M.D., Ka F. To, M.D., Wai K. Leung, M.D., Vincent W.S. Wong, M.D., S.C. Sydney Chung, M.D., and Joseph J.Y. Sung, M.D., Ph.D.
Background Current guidelines recommend that patients at riskfor ulcer disease who require treatment for arthritis receivenonsteroidal antiinflammatory drugs (NSAIDs) that are selectivefor cyclooxygenase-2 or the combination of a nonselective NSAIDwith a proton-pump inhibitor. We assessed whether celecoxibwould be similar to diclofenac plus omeprazole in reducing therisk of recurrent ulcer bleeding in patients at high risk forbleeding.
Methods We studied patients who used NSAIDs for arthritis andwho presented with ulcer bleeding. After their ulcers had healed,we randomly assigned patients who were negative for Helicobacterpylori to receive either 200 mg of celecoxib twice daily plusdaily placebo or 75 mg of diclofenac twice daily plus 20 mgof omeprazole daily for six months. The end point was recurrentulcer bleeding.
Results In the intention-to-treat analysis, which included 287patients (144 receiving celecoxib and 143 receiving diclofenacplus omeprazole), recurrent ulcer bleeding occurred in 7 patientsreceiving celecoxib and 9 receiving diclofenac plus omeprazole.The probability of recurrent bleeding during the six-month periodwas 4.9 percent (95 percent confidence interval, 3.1 to 6.7)for patients who received celecoxib and 6.4 percent (95 percentconfidence interval, 4.3 to 8.4) for patients who received diclofenacplus omeprazole (difference, 1.5 percentage points; 95percent confidence interval for the difference, 6.8 to3.8). Renal adverse events, including hypertension, peripheraledema, and renal failure, occurred in 24.3 percent of the patientsreceiving celecoxib and 30.8 percent of those receiving diclofenacplus omeprazole.
Conclusions Among patients with a recent history of ulcer bleeding,treatment with celecoxib was as effective as treatment withdiclofenac plus omeprazole, with respect to the prevention ofrecurrent bleeding. Renal toxic effects are common in high-riskpatients receiving celecoxib or diclofenac plus omeprazole.
Source Information
From the Department of Medicine and Therapeutics (F.K.L.C., L.C.T.H., J.C.Y.W., A.J.H., W.K.L., V.W.S.W., J.J.Y.S.), the Department of Surgery (B.Y.S., S.C.S.C.), the Department of Pharmacy (K.C.L.), and the Department of Anatomical and Cellular Pathology (K.F.T.), Prince of Wales Hospital, Chinese University of Hong Kong; and the Medical Unit, United Christian Hospital (V.K.S.L.) all in Hong Kong, China.
Address reprint requests to Dr. Chan at the Department of Medicine and Therapeutics, Prince of Wales Hospital, 30-32 Ngan Shing St., Shatin, Hong Kong, China, or at fklchan{at}cuhk.edu.hk.
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