Stopping Aminosalicylate Therapy in Inactive Crohn's Disease

Prior treatment

• A flare of CD within 3 months prior to enrollment requiring initiation/escalation of medical therapy or surgery
• Use of systemic corticosteroids for CD (2 continuous weeks or more) within 3 months prior to enrollment
• Any major resective bowel surgery for CD (ileal resection, ileocecal resection, proctocolectomy, colectomy, enterectomy, ostomy formation and repair, anastomosis/reanastomosis) within 6 months prior to enrollment
• Currently participating in another interventional trial, or previous participation within the last 3 months

Other illness

• A current diagnosis of UC, indeterminate colitis, microscopic colitis, or diverticular disease-associated colitis
• A diagnosis of short-bowel syndrome
• Active perianal disease
• Active fistulizing disease
• Serious underlying disease other than CD that, in the opinion of the investigator, may interfere with the subject's ability to participate fully in the study
• History of active alcohol or drug abuse that, in the opinion of the investigator, may interfere with the subject's ability to comply with the study procedures

Other

• Unwillingness to stop taking aminosalicylates for the duration of the trial
• Untreated bile salt malabsorption that, in the opinion of the investigator, may interfere with accurate study HBI assessment

• Documented diagnosis of CD at least 3 months prior to enrollment
• Taking any brand or dosage of an oral aminosalicylate for at least 6 months
• Subject-confirmed compliance with current aminosalicylate therapy (taking at least 75% of prescribed doses)
• CD currently in clinical remission
• Able to participate fully in all aspects of the clinical trial
• Written informed consent obtained and documented