A Study to Evaluate the Efficacy and Safety of CG5503 Prolonged Release (PR) in Subjects With Moderate to Severe Chronic Pain Due to Osteoarthritis of the Knee
Conditions
Interventions
- DRUG: Tapentadol ER (100 to 250 mg twice daily)
- DRUG: Matching Placebo (twice daily)
- DRUG: Oxycodone CR (20 to 50 mg twice daily)
Sponsor
Grünenthal GmbH
Collaborators