Urinary PGE-MUM (PROSTAGLANDIN E-MAJOR URINARY METABOLITE) as Inflammatory Marker in Chronic Inflammatory Bowel Disease

Urine collection will be proposed to patient during consultations or medical examinations corresponding to routine care of patients with IBD at the time of prescribing a FC test. The urine sample, as for stool samples, will be collected in an ordinary universal container at any time of the day (no dietary restriction is required). Urine and stool samples should be taken during the same period (for example, the same day, or within a maximum of one week if no change in treatment)