BACKGROUND AND OBJECTIVES Adalimumab (ADA), a monoclonal humanised anti-TNF antibody, is usually prescribed as a second-line treatment in paediatric Crohn's disease (CD) patients who have become unresponsive or developed intolerance… Click to show full abstract
BACKGROUND AND OBJECTIVES Adalimumab (ADA), a monoclonal humanised anti-TNF antibody, is usually prescribed as a second-line treatment in paediatric Crohn's disease (CD) patients who have become unresponsive or developed intolerance to infliximab (IFX). In the case series reported, more than 70% of patients had initially been treated with IFX. Data on short- and long-term effectiveness of ADA in anti-TNF naïve patients is limited. The aim of this study is to describe our experience with ADA as a first-line anti-TNF in paediatric CD patients. MATERIAL AND METHODS This is a multicentre retrospective study including anti-TNF naïve paediatric CD patients treated with ADA as first-line anti-TNF. RESULTS Sixty-two patients (34males), with a mean age of 13.0±2.4years and a disease duration of 7.3 (IQR 2.7-21) months were included. Median wPCDAI was 35 (IQR 24.3-47.5). Fifty-eight out of 62 (93.5%) were on combo therapy at baseline. Clinical remission at week12 was achieved in 50 out of 62 (80.6%) and in 57 out of 60 (95.0%) at week52. Eight patients (13%) reported adverse events. Mean height, growth rate and BMI z-scores improved significantly between baseline and week 52, especially in patients with growth failure. CONCLUSIONS ADA treatment leads to lasting clinical remission in anti-TNF naïve paediatric patients with CD. ADA significantly improved growth rate in children with CD who had growth delay at baseline.
               
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