Comparative Double-Blind Study of Tiaprofenic Acid versus Piroxicam in the Treatment of Osteoarthritis of the Knee

A double-blind, parallel-group study was carried out to compare the clinical efficacy and tolerance of tiaprofenic acid and piroxicam in 80 patients suffering from osteoarthritis of the knee. Tiaprofenic acid was administered orally at a dosage of 900mg daily for 14 days and piroxicam at a dosage of 40mg daily.