Paricipant Preferences in the Treatment of Inflammatory Bowel Disease (IBD) in Europe

This is a descriptive, observational, cross-sectional survey of participants with IBD. The survey will look into the preferences of participants towards the attributes of treatment with advanced therapies for IBD based on DCE (experimentally designed survey), including safety and efficacy profiles, frequency and RoA in a real-world setting, in European participants living with CD or UC. The survey will involve data collection in a real-world setting via an online self-reported questionnaire hosted on the Carenity platform, an international participant community. The survey will enroll approximately 600 participants. Participants will be enrolled in two observational cohorts: * CD Participants * UC Participants This multi-center trial will be conducted in France, the United Kingdom, Italy, Spain, Belgium, Switzerland, the Netherlands.