in 2 multicenter , double blind studies , the efficacy and safety of diclofenac , 150 mg/day , were compared with those of aspirin , 3.6 g/day , in 194 patients with rheumatoid arthritis ( ra ) in study 1 and with those of naproxen , 1000 mg/day , in 223 patients with ra in study 2 .
C0012091
diclofenac
C0003873
ra