Cluster Randomized Trials: Lessons for Inflammatory Bowel Disease Trials

Randomized clinical trials are the gold standard for the development of new drugs. Clinical trials have become increasingly complex, in particular in the field of inflammatory bowel diseases. For this reason, a new study design called 'cluster randomized trial' has been introduced. Cluster randomized trials randomly assign groups of individuals within a population of interest, such as people in a particular research site, clinic or hospital, and...