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Background: A few prospective cohort studies support the safety of switching from intravenous to subcutaneous administration of vedolizumab during maintenance therapy in patients with inflammatory bowel disease. Real-life data on switching after intravenous induction therapy are lacking., Objective: The aim was to obtain real-world data on subcutaneous vedolizumab treatment in patients with inflammatory bowel disease after switching from intravenous vedolizumab induction or maintenance therapy, and to evaluate treatment persistence, safety, and changes in disease activity and serum vedolizumab concentrations., Methods: We performed a retrospective registry-based study of inflammatory bowel disease patients who received subcutaneous vedolizumab therapy in two tertiary centres., Results: Altogether, 103 patients (26 Crohn's disease and 77 ulcerative colitis) switching from intravenous maintenance therapy (group 1) and 44 patients (14 and 30, respectively) switching from intravenous induction therapy (group 2) were included. At 6 months from baseline, 90.3% of the patients in group 1 and 90.9% of the patients in group 2 continued on subcutaneous vedolizumab. After the switch in group 1, disease activity remained stable. In group 2, clinical disease activity decreased significantly in ulcerative colitis patients ( P  = 0.002). The median serum vedolizumab concentration was 34.00 µg/ml during subcutaneous maintenance therapy in group 1, which was significantly higher than the median concentration during intravenous therapy (17.00 µg/ml, P  < 0.001), but remained unchanged in group 2 after the switch (31.50 µg/ml)., Conclusion: Based on these data, subcutaneous vedolizumab treatment is well-tolerated and the treatment persistence remains high after switching from intravenous to subcutaneous vedolizumab therapy., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)

Limited data is available on vedolizumab combination therapies in real-world clinical practice. Here, we evaluated the concomitant corticosteroid, immunosuppressive, and 5-aminosalicylic acid utilization of inflammatory bowel disease (IBD) patients treated with vedolizumab in a nationwide, retrospective, non-interventional, multi-centre chart review study. All adult patients from 27 Finnish gastroenterology centres with a diagnosis of Crohn's disease (CD) or ulcerative colitis (UC) who had at least one vedolizumab infusion since it's availability in Finland were included in the study. Data were collected from medical charts at baseline (vedolizumab treatment initiation), week 14, and month 6. The majority of patients who used corticosteroids at the baseline and persisted on vedolizumab treatment for 6 months were taken off corticosteroid treatment by the 6-month time point (CD, 54.5%; UC, 69.8%). Modest corticosteroid dose reductions were observed among treatment persistent CD patients from the baseline until month 6. Corticosteroid users had less vedolizumab discontinuations due to primary ineffectiveness and more discontinuations due to adverse events than patients not using corticosteroids. Vedolizumab may have a corticosteroid sparing effect in real-world clinical practice. Concomitant corticosteroid use may lead to a lower rate of vedolizumab discontinuation due to primary ineffectiveness, but a higher discontinuation rate due to adverse events., (Copyright © 2019. Published by Elsevier Ltd.)

Objectives: The efficacy and tolerability of vedolizumab in the treatment of inflammatory bowel diseases (IBD) has been demonstrated in an extensive GEMINI clinical trial programme. Clinical trials represent highly selected patient populations and, therefore, it is important to demonstrate effectiveness in real-life clinical practice. We set out to assess real-world treatment outcomes of vedolizumab in a nationwide cohort of treatment refractory Finnish Crohn's disease (CD) and ulcerative colitis (UC) patients., Methods: This was a nationwide, retrospective, non-interventional, multi-centre chart review study. All adult patients from 27 Finnish gastroenterology centers with a diagnosis of UC or CD who had at least one vedolizumab infusion since the availability of the product in Finland, were included in the study. Data were collected retrospectively from medical charts at baseline, week 14, and month 6. The primary outcome measure was treatment persistence 24 weeks post-vedolizumab initiation., Results: A total of 247 patients were included (108 CD, 139 UC). A total of 75.0% (n = 81) of all CD patients and 66.2% (n = 92) of all UC patients, were persistent on vedolizumab therapy for 6 months post treatment initiation. At month 6, 41.8% (28/67) of the treatment persistent CD patients and 73.3% (63/86) of the treatment persistent UC patients achieved clinical remission. Significant improvement in endoscopic scores were observed among treatment persistent patients (CD, n = 17, ΔSES-CD=-5.5, p = .008; UC, n = 26, ΔMayo endoscopic score =-0.5, p = .003) at month 6., Conclusions: Vedolizumab provides an effective and well-tolerated treatment option in real-world clinical practice even among treatment refractory IBD patients.