Overview Study of Flavocoxid (Limbrel) Versus Naproxen in Subjects With Moderate-Severe Osteoarthritis of the Knee Status: Completed Trial end date: 2007-09-01 Target enrollment: Participant gender: Summary The purpose of the study is to compare the efficacy and safety of flavocoxid (Limbrel) with Naproxen and placebo in OA of the knee. Phase: N/A Details Lead Sponsor: Primus PharmaceuticalsTreatments: Naproxen