“…Clinical studies have shown it to be an effective, well tolerated drug for the treatment of rheumatoid arthritis (Helby-Peterson et al, 1973;Hill et al, 1974;Bowers et al, 1975;Huskisson et al, 1976). In addition, earlier studies have suggested that naproxen is also effective for the relief of the signs and symptoms of osteoarthrosis (Cochrane, 1973;Kageyama, 1973;Tanaka et al, 1976). Accordingly, this study was designed to further evaluate the efficacy and tolerance of nap-Accepted for publication July 5, 1977 Correspondence to Dr Carter Multz, Syntex Corporation, 3401 Hillview Avenue, Palo Alto, California 94304, USA roxen for the treatment of osteoarthrosis of the two commonly affected weight-bearing joints, the hip and knee.…”