This study is for people with Crohn’s disease (CD), which is when your intestines get really swollen and painful. Doctors want to know if a medicine called RO7790121 can help make CD better and safer. This is a Phase III study, which means it’s been tested before but needs more checking. It’s double-blind, meaning neither you nor the doctor knows if you’re getting RO7790121 or a placebo (a fake treatment). You can join if you have a moderate to severe case of CD and haven’t responded well to other treatments. But you cannot join if you have other similar bowel diseases or certain health conditions like infections or cancer.

• The study lasts several months with regular doctor visits.
• Participants may receive compensation for their time and travel.
• There are possible risks like side effects or no change in symptoms.

Joining this study could help doctors learn more about CD and maybe help you feel better, but it’s important to talk to your doctor to see if it’s right for you.