A Study to Generate Real-world Evidence of Guselkumab Effectiveness in Inflammatory Bowel Disease in Germany

This registry study in Germany is collecting real-world information on how well guselkumab — a biologic injection — works for people with inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. **You may be eligible if...** - You live in Germany and have inflammatory bowel disease - Your doctor has decided to start you on guselkumab as part of your standard care - You are willing to complete periodic questionnaires about your symptoms and quality of life **You may NOT be eligible if...** - You have already tried four or more different advanced IBD treatments (biologics or other) - You have previously used a different IL-23 inhibitor (note: prior use of ustekinumab may be acceptable) - You have had your colon removed (colectomy) Talk to your doctor to see if this trial is right for you.