This is a non-interventional, prospective study of participants with moderately to severely active IBD (UC or CD) who are initiating or currently ongoing induction or maintenance treatment with vedolizumab in the real world setting.
The study will enroll approximately 100 participants. The data will be collected prospectively at the study sites and will be recorded into electronic case report forms (e-CRFs). All the participants will be assigned to a single observational cohort:
* Participants with IBD
This multi-center study will be conducted in Austria at specialized gastroenterology centers. The overall duration of the study will be 24 months. Data will be collected at baseline, at 3 months after induction, and every 6 months after induction, and at the time of switch, discontinuation and/or at routine follow-up visits up to 12 months.