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Newer, safer nonsteroidal anti-inflammatory drugs. Rational NSAID selection for arthritis
Objective:
To summarize current evidence that three new additions to nonsteroidal anti-inflammatory drugs (NSAIDs) offer comparable efficacy with fewer adverse effects than established NSAIDs.
Quality Of Evidence:
No large randomized controlled trials (RCTs) have compared all important NSAIDs. Several RCTs have shown that H2 antagonists do not protect against NSAID side effects, but some RCTs compared the protective effect of misoprostol (Cytotec) used with other NSAIDs; others have compared etodolac (Ultradol) or nabumetone (Relafen) with placebo and naproxen (eg, Naprosyn). Postmarketing surveys have been used to support claims that the new NSAIDs have few gastric or renal side effects.
Main Findings:
Using misoprostol in conjunction with traditional NSAIDs reduces gastric and renal adverse effects. Misoprostol can be taken at the same time as NSAIDs or in a combination tablet. Two new NSAIDS, etodolac and nabumetone, do not inhibit cyclooxygenase 1 prostaglandins, which occur in the stomach and kidneys, but more selectively block cyclooxygenase 2 prostaglandins, which cause arthritic inflammation. These two NSAIDs have efficacy profiles comparable to older NSAIDs but have markedly fewer side effects.
Conclusions:
Safer treatment for arthritis can be achieved by combining misoprostol with traditional NSAIDs or by using one of two new agents, nabumetone or etodolac.