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The Effect of Early vs Delayed Initiation of Adalimumab on Remission Rates in Patients With Crohn’s Disease With Poor Prognostic Factors: The MODIFY Study


 
 
 Data on the effectiveness of anti-tumor necrosis factor medications in patients with Crohn’s disease (CD) with poor prognostic factors (PPFs) are scarce. This study aimed to generate real-world evidence on the effect of early (≤24 months after diagnosis) vs delayed (>24 months) initiation of adalimumab (ADL) on the 26-week remission rate (Harvey–Bradshaw Index ≤4) in these patients.
 
 
 
 This multicentre, retrospective, chart review study performed in 10 Greek hospitals enrolled adult patients with moderate to severe CD (Harvey–Bradshaw Index ≥8) with ≥3 PPFs who were initiated on ADL ≥12 months before enrollment. A sample size of 164 patients (early:delayed cohort allocation ratio, 30:70) was required to address the primary endpoint.
 
 
 
 Eligible patients (n = 171) were consecutively enrolled. In the early vs delayed cohorts, the 26-week remission rates (off-steroids) using the last-observation-carried-forward imputation method were 60.7% (37/61) vs 47.2% (50/106), respectively (Δ = 13.5%, P = .044). The respective remission rates were 61.2% vs 42.4% among anti-tumor necrosis factor-naive patients (P = .023) and 58.3% vs 53.2% among anti-tumor necrosis factor-experienced patients (P = .374). The 52-week remission rates using as-observed data were 78.8% and 60.3%, and the intestinal resection rates were 6.5% and 11.9% in the early vs delayed ADL cohorts, respectively.
 
 
 
 Patients with CD with PPFs who received early vs delayed treatment with ADL achieved higher clinical response and remission rates. This effect was more pronounced in those patients who were bio-naive and steroid-dependent/refractory with concurrent extraintestinal manifestations than those who were not.
