Managing Infliximab Reinduction After Temporary Discontinuation of Drug

Inclusion Criteria

• •Subjects 18 years or older who are willing and able to provide informed consent
• •HIstory of IBD (Crohn's disease, ulcerative colitis, indeterminate colitis) by standard clinical, histological, and radiographic date.
• •History of stable clinical response to prior IFX induction and regular maintenance dosing, as determine by enrolling clinician.
• •Prior to drug holiday, was on stable dose of infliximab for at least 3 infusions at regular maintenance intervals
• •Infliximab drug holiday for at least 12 weeks.