- Korean outpatients with symptomatic radiologic evidence of OA of the knee (diagnosed
according to the modified American College Rheumatology criteria)
- Patient's Assessment of Arthritis Pain measurement of at least 40 mm on VAS
- Patients had not received any NSAIDs or analgesics within 2 days (within 4 days for
subjects taking oxaprozin, piroxicam or full dose aspirin) prior to the Baseline Visit
- Diagnosis of inflammatory arthritis, gout, pseudogout, Paget's disease, or any chronic
pain syndrome that, in the Investigator's opinion, would interfere with the assessment
of the Index Knee
- Symptomatic anserine bursitis or acute joint trauma of the Index Knee
- Arthroscopy performed on the Index Knee within the past 12 months
- Complete loss of articular cartilage of the Index Knee
- Administration of oral, or intramuscular, intravenous, or soft tissue injections of
corticosterosteroids within 4 weeks prior to screening visit
- Administration of intra-articular injection of corticosteroids or hyaluronic acid
preparation in the Index Knee within 3 months or 6 months, respectively