Efficacy of Infliximab after Failure of Subcutaneous Anti-TNF Agents in Patients with Moderate to Severe Ulcerative Colitis
DOI:
https://doi.org/10.2015/hc.v15i1.878Abstract
Aim: To assess the efficacy of infliximab in ulcerative colitis (UC) patients who had failed therapy with adalimumab or golimumab.
Methods: Retrospective analysis of prospectively acquired data of all anti-TNF naive patients with moderate to severe UC who received adalimumab or golimumab in 4 tertiary referral centres. Patients with primary non response or secondary loss of response to adalimumab or golimumab received therapy with infliximab. Clinical response and remission rates were assessed at week 14 and 54 after initiation of infliximab.
Results: Between September 2015 and September 2017, 29 of 58 (50%) anti-TNF naive patients with moderate to severe UC failed therapy with adalimumab (n=38) or golimumab (n=20). Twenty one of 29 (72.4%) patients were primary non responders and 8 (27.6%) patients lost response to adalimumab or golimumab. All these 29 patients received infliximab, while 15 (51.7%) were on concomitant azathioprine therapy. Eighteen (62.1%) and 10 (34.5%) patients showed clinical response and clinical remission at week 14 respectively, while 14 (48.3%) patients were on clinical remission at week 54 after initiation of infliximab. Azathioprine co-administration at the start of infliximab was associated with a greater proportion of patients achieving clinical remission at week 54 (10 of 15 patients on combination therapy vs 4 of 14 patients on infliximab monotherapy, p=0.04).
Conclusions: A significant proportion of anti-TNF naive patients with moderate to severe UC who have failed 1st course therapy with subcutaneous anti-TNF agents can achieve clinical response and/or remission with 2nd course therapy with infliximab.
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