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Background With a growing prevalence of inflammatory bowel disease (IBD) in elderly patients, there is a clinical requirement to understand the impact of treatment in this population.1 Filgotinib (FIL) is an oral Janus kinase 1 preferential inhibitor. This post hoc analysis of data collected in the phase 2b/3 SELECTION programme evaluated the efficacy and safety of FIL in patients with ulcerative colitis (UC) stratified by age. Methods The SELECTION programme includes two Induction Studies, a Maintenance Study (NCT02914522) and a long-term extension (LTE) study (NCT02914535). Adults aged 18–75 years with moderately to severely active UC were randomized 2:2:1 to receive FIL 200 mg or 100 mg or placebo once daily for 11 weeks. Responders at week 10 were re-randomized 2:1 to continue assigned FIL treatment or placebo from week 11–58. In LTE, patients with disease worsening and those completing week 58 continued assigned treatment before receiving open-label FIL. We assessed the efficacy and safety of FIL at any dose in the overall cohort of SELECTION and LTE, stratified into five age groups: &amp;lt;30, ≥30–&amp;lt;40, ≥40–&amp;lt;50, ≥50–&amp;lt;60 and ≥60 years. Clinical remission was evaluated at week 10 and pMCS remission was assessed at week 10, 58 and LTE weeks 2, 4, 12 and 24. Exposure-adjusted incidence rates (EAIRs) were calculated for adverse events (AEs). A data cut-off of 28 February 2020 was used. Results Baseline disease activity and previous and concomitant treatments were comparable across age groups in each treatment arm. While there were fewer patients in the ≥60 years group, patient distribution was similar in all other age groups. FIL induced clinical (~16%) and pMCS (~36%) remission in similar proportions of patients across all age groups at week 10 (Figure 1). At week 58, pMCS remission was achieved in ~53% of FIL-treated patients across age groups (Figure 2). In LTE, the proportion of FIL-treated patients in pMCS remission generally increased with time and remained similar across all age groups (Figure 3). FIL-treated patients aged ≥60 years had higher EAIRs of any AE, infections, herpes zoster, malignancies, NMSC and MACE than younger patients (Table). One thromboembolic event occurred in a FIL-treated patient aged &amp;lt;30 years. Three deaths related to cardiovascular disease occurred in FIL-treated patients aged ≥50 years. Conclusion These findings suggest FIL is efficacious in inducing and maintaining symptomatic remission and could have an acceptable safety profile in adults with UC of all ages, including ≥60 years old. Age-related increases in incidences of certain AEs might be expected in patients with IBD; however, the number of patients ≥60 years limits comparison of these data with reported rates. Reference 1Zammarchi et al. BMC Gastroenterol 2020;20;147

journal of crohn's and colitis

DOP37 Efficacy and safety of filgotinib in patients with Ulcerative Colitis stratified by age: Post hoc analysis of the phase 2b/3 SELECTION and SELECTIONLTE studies