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Ninety patients with rheumatoid arthritis completed a double-blind crossover trial comparing fenoprofen, ibuprofen, ketoprofen, and naproxen. Fenoprofen and naproxen were slightly more effective than the other two drugs but there were striking individual variations in response. Groups of patients could be identified who preferred each of the four drugs. The commonest side effects were those related to the upper gastrointestinal tract; these showed individual variation and seldom occurred with more than one or two of the drugs. Side effects were least common with ibuprofen and naproxen. Since naproxen combined greater effectiveness with a lower incidence of side effects it must be regarded as the first choice among these drugs. It may be necessary to try several drugs before finding the right one for a particular patient.
HUSKISSON et al. (Sat,) studied this question.