8. Concurrent articular rheumatism (history and/or current presence of signs) that could give rise to an erroneous interpretation of the efficacy on pain or which interfere in its assessment, such as carpal tunnel syndrome, Guyon's canal syndrome (involvement of cubital nervous), flexor tenosynovitis, trigger finger, chondrocalcinosis, , aseptic osteonecrosis, gout, septic arthritis, ochronosis, acromegaly, haemochromatosis, Wilson's disease, osteochondromatosis, rheumatoid arthritis, ankilosing spondylitis, psoriasis, inflammatory bowel disease, connective tissue disease, vasculitis, diabetic neuropathy, post-traumatic osteoarthritis of the finger;