A Study of CDPATH™ to Help Manage and Treat Crohn's Disease

Inclusion Criteria:

1. Has an initial diagnosis of CD established within five years prior to screening byclinical and endoscopic evidence and corroborated by a histopathology report (ifavailable).

2. Has agreed to use the CDPATH™ tool.

3. Has reliable access to the internet and is willing to answer electronicpatient-reported outcomes (ePROs) throughout the study.

Exclusion Criteria:

1. Has had known complications from CD including but not limited to: bowel stricture,CD-related intra-abdominal abscess, internal penetrating disease (known fistulaother than perianal fistula), non-perianal surgery, bowel resection, orstricturoplasty. A perianal fistula or abscess without other signs of penetratingdisease is allowed.

2. Has had any non-CD-related abdominal surgery.

3. Has received investigational biologic or nonbiologic agents for the treatment of CDin an investigational protocol. Approved biologic or nonbiologic agents for CD areallowed.

4. Has previously used CDPATH™ or PROSPECT results to assess CD risk for complications.