Long-Term Analgesic Efficacy And Safety Of Tanezumab Alone Or In Combination With Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Versus NSAIDs Alone In Patients With Osteoarthritis Of The Knee Or Hip

Inclusion Criteria: * Osteoarthritis of the knee or hip according to ACR criteria with Kellgren-Lawrence x-ray grade equal to, or greater than, 2. * Patients must be experiencing some benefit from their current stable dose regimen of oral NSAID therapy of either naproxen 500-1000 mg/day or celecoxib 200 mg/day (either 100 mg BID or 200 mg QD) and be tolerating their NSAID regimen. * Pain level and function levels as required by the protocol at Screening and Baseline. * Willing to discontinue all non-study pain medications for osteoarthritis except rescue medication (acetaminophen) and not use prohibited pain medications throughout the duration of the study except as permitted per protocol. * Willing and able to comply with lifestyle guidelines, scheduled visits, treatment plan, laboratory tests and other study procedures. Exclusion Criteria: * Pregnant women. * BMI greater than 39. * Fibromyalgia, regional pain caused by lumbar or cervical compression with radiculopathy or other moderate to sever pain that may confound assessments or self-evaluation of the pain associated with OA. * Signs and symptoms of clinically significant cardiac disease with 6 months prior to screening. * Diagnosis of TIA within 6 months prior to screening or diagnosis of stroke with residual deficits that would preclude completion of required study activities. * History, diagnosis, signs or symptoms of clinically significant neurological and/or psychiatric disease/disorder. * At Screening: uncontrol…