Celiac Facts for Patients

Studies which usually randomly allocate the participants in groups which get different predefined treatment, e.g. different protocols of gluten-introduction. The study participants are then followed for a long period and in a controlled setting. These studies are performed to test specific hypotheses. With these studies, you can establish or rebut a cause-effect-relationship. All these studies must obtain permission form an ethical committee, regardless if the intervention comprises medication or not.