a group of 50 patients with rheumatoid arthritis ( half of whom received prednisone for 12 weeks before and then during the study ) participated in a double-blind trial evaluating the efficacy and safety of 3 dosages of naproxen ( 125 , 250 , and 500 mg b.i.d . ) .
C0003873
rheumatoid arthritis
C0027396
naproxen