The primary objective of this study is to show that the combination treatment CS/GH has comparable efficacy to CE in pain reduction from baseline to 6 months of treatment measured with the Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain subscale in knee OA patients with moderate to severe pain.
The purpose of this study is to determine whether the combination of Chondroitin sulfate (CS) and Glucosamine Hydrochloride (GH) has similar efficacy to Celecoxib (CE) in the treatment of patients with moderate to severe knee osteoarthritis (OA).