This is an observational study to determine the prevalence of moderate to severe Crohn's disease (CD) among patients with active CD and to evaluate existing therapeutic trends in a standard clinical practice.

Inclusion Criteria

1. Must have a diagnosis of active Crohn's Disease irrespective of severity,

2. Must be inadequately controlled with their current therapy and for whom physician

   decides to switch treatment.

3. Must be between 18 and 65 years of age, of either sex,

4. Must demonstrate willingness to participate in the study by signing the written informed consent.

Exclusion Criteria

• No specific exclusion criteria will be applied to a participant as long as the participant is eligible for the trial

Participants with diagnosed active Crohn's Disease who are inadequately controlled with their current therapy