Subjects
The study subjects were patients with OA in Rheumatology Clinic Dr. Sardjito Hospital, Yogyakarta.
Inclusion criteria: patients with mild to moderate knee OA and agreed to follow this study procedure. The diagnosis of OA was depended on the American College of Rheumatology (ACR) criteria for OA. Exclusion criteria: have arthritis other than OA, hypersensitive history to diclofenac sodium or curcuminoid, history of dyspepsia and gastro-intestinal ulceration, liver, kidney or bone marrow function disturbances, using anti co-agulant or other NSIADs.