Overview Efficacy of Flavocoxid Compared With Naproxen in Subjects With Moderate-severe Osteoarthritis of the Knee Status: Completed Trial end date: 2008-08-01 Target enrollment: Participant gender: Summary To compare flavocoxid with naproxen for patients with moderate to severe osteoarthritis of the knee. Phase: N/A Details Lead Sponsor: Primus PharmaceuticalsTreatments: Naproxen