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  • Title: Who needs prophylaxis of nonsteroidal anti-inflammatory drug-induced ulcers and what is optimal prophylaxis?
    Author: Goldstein JL.
    Journal: Eur J Gastroenterol Hepatol; 2000 Jun; 12 Suppl 1():S11-5. PubMed ID: 10929893.
    Abstract:
    Nonsteroidal anti-inflammatory drugs (NSAIDs) are used successfully by many patients for the treatment of the signs and symptoms of arthritis, and other painful and inflammatory disorders. However, traditional nonselective NSAIDs that inhibit COX-1 and COX-2 lead to a state of propensity for gastric and duodenal ulcer disease and ulcer complications. The point prevalence of endoscopic ulcers ranges from 14 to 44% of patients using NSAIDs. Moreover, it is estimated that 1.46-1.90% of chronic NSAID users develop serious upper gastrointestinal (UGI) toxicity annually, most notably UGI bleeding, gastric/duodenal obstruction or ulcer perforation. In the USA, it has been estimated that 107,000 hospitalisations and 16,500 deaths occur annually related to the use of nonselective NSAIDs. Because these ulcer complications are often not heralded by chronic symptoms of dyspepsia, symptoms alone are not sufficient to guide long-term management of NSAID-related toxicity. Instead, prophylactic and preventive therapies are recommended in patients at above-average and high risk. Epidemiological data have identified that patients with a past history of ulcer disease, past history of UGI bleeding, greater age, concomitant corticosteroid use, and those who use higher doses and multiple NSAIDs fall into this category. Other risk factors of lesser importance have also been identified. A controversial issue remains regarding the possible increased risk of NSAID-associated ulcers and ulcer complications in patients who are infected with Helicobacter pylori. Prophylactic therapies have been evaluated primarily in randomised clinical trials, with the rate of endoscopic ulcers as the primary endpoint. It is assumed, but not proven, that these endoscopic ulcer rates are surrogate markers for gastrointestinal toxicity and are predictive of the rate of significant UGI adverse events. In the only outcomes trial to date, it was reported that misoprostol (200 microg 4 times daily) caused an approximately 50% reduction in serious UGI adverse events in a large 6-month trial involving rheumatoid arthritis patients. In parallel, this approximates the 50% reduction of endoscopic ulcers seen in randomised controlled trials using misoprostol. While H2 receptor antagonists are ineffective agents at traditional doses, proton pump inhibitors have been clearly shown to reduce the rate of endoscopic ulcers in several trials. In fact, the efficacy approximates to the efficacy seen with misoprostol. Beyond efficacy and in practical terms, the choice of optimal prophylaxis should take into consideration patient compliance, patient satisfaction, side-effects and cost.
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