- concomitant arthropathy that may confuse or interfere with pain assessment or efficacy, including: inflammatory arthropathy (rheumatoid arthritis, systemic lupus erythematosus, spondyloarthropathy, psoriatic arthritis, polymyalgia rheumatic), gouty arthritis, acute episodes of monoarthritis compatible with pseudogout, Paget's disease with involvement of the joint study, history of septic arthritis, avascular necrosis or intra-articular joint studied, Wilson's disease, hemochromatosis, alkaptonuria, primary osteochondromatosis fracture;