Joint Pain Occurring During Anti-TNF Therapy in Chronic Inflammatory Bowel Disease

Inclusion Criteria

• •Males or females over the age of 18 years at the time of inclusion
• •Patients with IBD (Crohn's disease or ulcerative colitis), diagnosed by a set of compatible clinical (chronic diarrhoea, haematochezia, anoperineal lesions, etc.), laboratory, histological and endoscopic arguments. Patients will be included regardless of the severity of their disease, its clinical course, the type of lesions, and the presence or absence of associated manifestations.
• •Patients treated with anti-TNF: infliximab or adalimumab.
• •Informed patients not refusing to participate.
• •Patients covered by French national health insurance.