The study was designed as prospective, single-center, single-arm, open-label, observational study. The patients with grade II and III (Kellgren Lawrence classification) osteoarthritis of the knee attending outpatients were planned to enroll the study. Patients between the age 18-80 years who did not achieve remission of pain despite receiving the first-line treatment for gonarthrosis including nonsteroidal anti-inflammatory drugs medication, activity modification and ice, were planned to included in the study. A single dose of HA will be injected into the target knee joint. Clinical evaluation will be done using the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and the short form-36 questionnaires (SF-36 v2) at baseline, 3 months and 6 months by a clinical secretariat.
This prospective study was planned to carried out among the patients with grade II and III (Kellgren Lawrence classification) osteoarthritis of the knee attending outpatients clinic to evaluate the effectiveness and safety of viscosupplementation with intra-articular hyaluronic acid injection.