Undetectable anti‐TNF drug levels in patients with long‐term remission predict successful drug withdrawal

Low drug levels are associated with emerging loss of response to anti-TNF. However, this may not be the case in patients with long-term remission.To investigate the outcome of anti-TNF discontinuation in patients with long-term remission and incidental undetectable drug levels.A retrospective cohort study examining the duration of relapse-free survival in IBD patients in remission who discontinued infliximab or adalimumab having undetectable...