1,2 Thiopurines are effective in maintaining the remission of both Crohn disease and ulcerative colitis.1 Anti-TNF agents are superior to azathioprine in patients with Crohn disease not previously treated with thiopurines2 and are approved in patients with moderate to severe Crohn disease or ...
For the evaluation of treatment patterns, despite the use of a 6-month washout period for the identification of the initiation of 1L therapy, some patients in remission for an extended period of time may have been included in the study sample; therefore, the LOT number may not have been app...