Dexibuprofen 400 mg Sachet Versus Ibuprofen 400 mg Sachet in Patients With Osteoarthritis of the Hip or Knee

Inclusion Criteria: * male or female patients aged between 18 and 75 years * everyday joint pain for the past three months * global pain intensity in the involved joint (hip or knee) of "moderate" to "severe" within the last 48 h Exclusion Criteria: * acute inflammation or ischaemic necrosis * paget's disease, chondrocalcinosis, ochronosis of the hip/knee joint * slowly progressing hip/knee arthropathy in particular of tuberculosis aetiology * hip/knee arthropathy due to diabetes mellitus * Charcot's joint * villous synovitis * chondromatosis of the synovium * patients with existing gastritis or existing ulcers or bleedings in the gastrointestinal tract or patients with history of gastrointestinal ulcers or gastrointestinal haemorrhage in the past 6 months