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Background: It is unknown which maintenance therapy is the most effective option for patients admitted for an acute severe ulcerative colitis (ASUC) episode responding to intravenous steroids., Methods: We conducted a multicentre, parallel-group, open-label randomised controlled trial among 23 French centres in thiopurine and biologics-naïve adults admitted for ASUC responding to intravenous steroids. Eligible patients were randomly assigned to receive infliximab (IFX) and azathioprine (AZA) with a 7-day steroid tapering scheme (IFX+AZA arm) or AZA and conventional standardised steroid tapering regimen (AZA arm). The primary composite endpoint was treatment failure at week 52, defined as the absence of steroid-free clinical remission, the absence of endoscopic response, the use of a prohibited treatment for relapse, severe adverse event leading to treatment interruption, colectomy or death. Multiple imputation for missing data was performed., Findings: Among the 64 patients randomised (Lichtiger score 13.5±2.0; median age of 34.5 (P25-P75 26.3-50.3) years, median C reactive protein of 29.0 (12.8-96.8) mg/L at baseline): 32 were assigned to the IFX+AZA arm and 32 to the AZA arm. In the ITT population, treatment failure at week 52 was observed in 22/27 (81.5%) in the AZA arm and 16/30 (53.3%) in the IFX+AZA arm (risk ratio 3.85, 95% CI (1.15 to 12.88), p=0.03). 29 adverse events were severe, including 13 disease exacerbations, 6 severe infections without any difference between both arms., Interpretation: Combination therapy with IFX+AZA was more effective at 1 year than AZA alone to avoid treatment failure in patients with ASUC responding to intravenous steroids., Trial Registration Number: NCT02425852., Competing Interests: Competing interests: AA received consulting fees from Abbvie, Pfizer, Takeda, Tillotts Pharma, Janssen and Sandoz as well as lecture fees and travel accommodations from Abbvie, Janssen, Pfizer, Takeda, Biogen, Fresenius Kabi, Amgen and Celltrion. PS reports consulting fees from Pfizer, Astellas, Janssen, Fresenius Kabi, Takeda, Abbvie, Merck-MSD, Pilège, Lilly, Celltrion and Biocodex; and grants from Biocodex and Janssen. CS declare lecture and/or consulting fees from Abbvie, Amgen, Celltrion, Janssen, Lilly, Takeda, Tillots. PW received board membership, consultancy, or lecture fees from Abbvie, Amgen, Celltrion, Ferring, Janssen, and Takeda. LV received fees from Abbvie, Amgen, MSD, Ferring, Takeda, Pfizer, Celltrion, Janssen, Galapagos, Dr Falk. RA declares lecture fees from MSD, Abbvie, Pfizer, Takeda, and Janssen. GB received lecture fees from Abbvie, Ferring, Takeda and Pfizer and consultant fees from Takeda, Janssen, Lilly, Celltrion, Sandoz, Abbvie. MB has received lecture fees and travel accommodation from Abbvie, Fresenius Kabi, Janssen, Pfizer and Takeda. DL has received counseling, boards, transports and/or fees from Abbvie, Amgen, Biogen, Ferring, Galapagos, Janssen, Lilly, MSD, Novartis, Pfizer, Prometheus, Roche, Takeda, Tillots. MA has served as a speaker, consultant, and/or advisory board member for Abbvie, Amgen, Biogen, Boehringer-Ingelheim, Celgene, Celltrion, Ferring, Galapagos, Genentech, IQVIA, Janssen, Lilly, MSD, Pfizer, Roche, Takeda, Tillotts. FG declares counseling, boards, transports and lectures fees from Abbvie, Amgen, Biogen, Celltrion, Janssen, Lilly, MSD, Pfizer, Takeda. NR has received lecture fees from AbbVie and Takeda. LP-B received consulting fees from Merck, Abbvie, Janssen, Genentech, Ferring, Norgine, Tillots, Vifor, Shire, Therakos, Pharmacosmos, Pilège, BMS, UCB-Pharma, Hospira, Celltrion, Takeda, Biogaran, Boerhinger-Ingelheim, Lilly, Pfizer and HAC-Pharma. This author also received lecture fees from Merck, Abbvie, Takeda, Janssen Cilag, Ferring, Norgine, Tillots, Vifor, Therakos, HAC-Pharma and Mitsubishi. No conflicts of interest are claimed by the remaining authors., (© Author(s) (or their employer(s)) 2024. No commercial re-use. See rights and permissions. Published by BMJ.)

Background & Aims: The management of intra-abdominal abscesses complicating Crohn's disease (CD) is challenging, and surgery with delayed intestinal resection is often recommended. The aims of this study were to estimate the success rate of adalimumab (ADA) in patients with CD with an intra-abdominal abscess resolved without surgery, and to identify predictive factors for success., Methods: A multicenter, prospective study was conducted in biologic-naïve patients with CD with resolved intra-abdominal abscess treated with ADA with a 2-year follow-up. The primary endpoint was ADA failure at week (W) 24 defined as a need for steroids after W12, intestinal resection, abscess recurrence, and clinical relapse. Secondary post-hoc endpoint was the long-term success defined as the survival without abscess relapse or intestinal resection at W104. The factors associated with ADA failure at W24 and W104 were identified using a logistic and a Cox regression, respectively., Results: From April 2013 to December 2017, 190 patients from 27 GETAID centers were screened, and 117 were included in the analysis. Fifty-eight patients (50%) were male, and the median age at baseline was 28 years. At W24, 87 patients (74%; 95% confidence interval [CI], 65.5%-82.0%; n = 117) achieved ADA success. Among the 30 patients with ADA failure, 15 underwent surgery. At W104, the survival rate without abscess recurrence or surgery was 72.9% (95% CI, 62.1%-79.8%; n = 109). Abscess drainage was significantly associated with ADA failure at W24 (odds ratio, 4.18; 95% CI, 1.06-16.5; P =0 .043). Disease duration (hazard ratio [HR], 1.32; 95% CI, 1.09-1.59; P = .008), abscess drainage (HR, 5.59; 95% CI, 2.21-14.15; P = .001), and inflammatory changes in mesenteric fat (HR, 0.4; 95% CI, 0.17-0.94; P = .046) were significantly associated with ADA failure at W104., Conclusion: Provided that the abscess was carefully managed before initiating medical treatment, this study showed the high efficacy of ADA in the short and long term in biologic-naïve patients with CD complicated by an intra-abdominal abscess., Clinicaltrials: gov, Number: NCT02856763., (Copyright © 2023 AGA Institute. Published by Elsevier Inc. All rights reserved.)

Background and Aim: The inflammatory bowel disease [IBD]-disk is a 10-item self-questionnaire that is used to assess IBD-related disability. The aim of the present study was to evaluate this tool in the assessment of IBD daily-life burden., Methods: A 1-week cross-sectional study was conducted in 42 centres affiliated in France and Belgium. Patients were asked to complete the IBD-disk [best score: 0, worst score: 100] and a visual analogue scale [VAS] of IBD daily-life burden [best score: 0, worst score: 10]. Analyses included internal consistency, correlation analysis, and diagnostic performance assessment., Results: Among the 2011 IBD outpatients who responded to the survey [67.8% of the patients had Crohn's disease], 49.9% were in clinical remission. The IBD-disk completion rate was 73.8%. The final analysis was conducted in this population [n = 1455 patients]. The mean IBD-disk score and IBD daily-life burden VAS were 39.0 ± 23.2 and 5.2 ± 2.9, respectively. The IBD-disk score was well correlated with the IBD daily-life burden VAS [r = 0.67; p <0.001]. At an optimal IBD-disk cut-off of 40, the area under the receiver operating characteristic curve [AUROC] for high IBD daily-life burden [VAS >5] was 0.81 (95% confidence interval [CI]: 0.79-0.83; p <0.001)., Conclusions: In a large cohort of patients, the IBD-disk score was well correlated with IBD daily-life burden, and it could be used in clinical practice., (© The Author(s) 2020. Published by Oxford University Press on behalf of European Crohn’s and Colitis Organisation. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Background: The prevalence of inflammatory bowel diseases (IBD) is high in women of childbearing age. Achieving clinical remission from conception to delivery using current medications is a major issue in IBD., Aims: To assess maternal and neonatal complications and management of vedolizumab or ustekinumab) in pregnant women with IBD receiving these agents., Methods: We performed a retrospective cohort study among GETAID centres including women with IBD who received ustekinumab or vedolizumab during pregnancy or within the 2 months before conception and compared outcomes to women exposed to anti-TNF treatment during pregnancy., Results: Seventy-three pregnancies in 68 women with IBD were analysed: 29 on ustekinumab resulting in 26 (90%) live births, two (7%) spontaneous abortions and one (3%) elective termination; 44 on vedolizumab resulting in 38 (86%) live births, five (11%) spontaneous abortions and one (3%) medical interruption. The control group included 88 pregnancies exposed to anti-TNF in 76 women with IBD. The median age at conception, the proportion of women who smoked or in clinical activity at conception was comparable between groups. Only the proportion of patients exposed to >2 anti-TNF agents was significantly increased among the ustekinumab and vedolizumab groups compared to control group (22% and 10% vs 3%, P < 0.005). Rates of prematurity, spontaneous abortion, congenital malformations and maternal complications were comparable between groups., Conclusion: We report 73 pregnancies in patients receiving vedolizumab or ustekinumab without a negative signal on maternal or neonatal outcomes. Further prospective studies are needed on the outcomes of pregnancies with new biologic drugs., (© 2020 John Wiley & Sons Ltd.)

Background: There are few data concerning patients with Crohn's disease (CD) complicated by a stricture of the upper gastrointestinal tract (UGT)., Aims: We evaluated the outcome and management of CD patients complicated by a stricture of the UGT., Methods: We performed a retrospective multicenter study including all CD patients with a non-passable symptomatic UGT stricture on endoscopy. Primary outcome measure was surgery-free survival from diagnosis of stricture. Efficacy of medical, endoscopic, and surgical treatments, and identification of predictors of surgery were also evaluated., Results: 60 CD patients with an UGT stricture were included. 60% of the strictures were located in the duodenum. With a median follow-up of 5.5 (IQR: 3.0-12.0) years since stricture diagnosis, surgical-free survival was 75% and 64% at 1 and 5 years, respectively. At the end of the follow up, 27 (45%) patients underwent surgery. 77 endoscopic procedures were performed in 30 patients with an immediate success of 81% and a clinical benefit in 84% of the procedures. In multivariate analysis, anti-TNF treatment initiation was associated with a reduced risk of surgery., Conclusion: CD UGT strictures are mainly located in the duodenum. Medical and endoscopic treatments allow to avoid surgery in half of the patients., Competing Interests: Declaration of Competing Interest T. Lambin: Travel accommodation: Adacyte therapeutics. A. Amiot: Consulting fees from Abbvie, Hospira, Janssen, Tillotts, Pfizer, Takeda, Gilead and Biocodex. Lecture fees and travel accommodation from Abbvie, Janssen, Biocodex, Hospira, Ferring, Pfizer, Ferring, Tillotts, Takeda and MSD. Advisory board fees from Gilead, Takeda and Abbvie. C. Stefanescu: Consulting: Takeda. Lecture fees: Abbvie, Fresenius Kabi, Pfizer, Janssen. Travel acomodation: MSD, Takeda, Abbvie, Pfizer, Janssen. P. Seksik: Consulting fees : Takeda, Abbvie, Merck-MSD, Biocodex, Janssen, Amgen, Astellas, Pfizer Grants : Biocodex. Sponsored travel : Merck-MSD and Takeda, Amgen. D. Laharie: Counseling, boards, transports or personal fees from Abbvie, Biogaran, Biogen, Ferring, HAC-pharma, Janssen, MSD, Novartis, Pfizer, Prometheus, Roche, Takeda, Theradiag, Tillots. A. Bourreille: Personal fees from AbbVie, Janssen, Ferring, Tillots, Celltrion, Takeda, Pfizer, MSD, Roche, Fresenius Kabi OSE Immunotherapeutics, Medtonic. Grants: Abbvie, MSD, Takeda, MaunaKea Technology, Medtronic. G.Cadiot: Consulting fees: Ipsen, Novartis, AAA, Pfizer, Keocyt. Lecture fees: Takeda. N. Dib: Abbvie, Janssen, Pfizer, Takeda. M. Fumery: Consulting fees : AbbVie, Takeda, Janssen, Pfizer, Celgene, Gilead. Lecture Fees : Boehringer and Biogen Abbvie, MSD, Takeda, Janssen, Ferring, Tillots. C. Gilletta de St Joseph: Lecture fees: Abbvie, Takeda, Janssen, Pfizer. Consulting fees: Abbvie, Takeda, Janssen, Celltrion. J. Filippi: Abbvie, Amgen, Biogen, Celltrion, Ferring, HAC Pharma, Hospira, Janssen, MSD, Pfizer, Takeda, Vifor. S. Viennot: Abbvie, Amgen, Celltrion, Ferring, Janssen, MSD, Pfizer, Takeda. L. Plastaras: Personnal fees or boards from AbbVie, Janssen, Tillots, Takeda, Pfizer, MSD. M. Serrero: Abbvie, Amgen, Biogen, Celltrion, Gilead, Janssen, Ferring, MSD, Pfizer, Takeda, Tillots. S. Nahon: Lecturer or advisory board fees from AbbVie, MSD, Vifor Pharma, Pfizer, Janssen and Ferring. G. Pineton de Chambrun: Lecture fees from Pfizer, MSD, AbbVie, Takeda and Ferring. Consulting fees from Takeda, Tillots Pharma and Janssen. JF. Rahier: Lecture fees from AbbVie, MSD, Takeda, Pfizer, Ferring, and Falk, consulting fees from AbbVie, Takeda, Hospira, Mundipharma, MSD, Pfizer, GlaxoSK, Janssen and Amgen, and research support from Takeda and AbbVie. X. Roblin: Consultant fees from MSD,Pfizer, Abbvie, Amgen, Biogen, Takeda, janssen, crlltrion, Ferring. M. Boualit: Travel accommodation : abbvie, Janssen, Pfizer, Takeda. G. Bouguen: Lecture fees from Abbvie, Ferring, MSD, Takeda and Pfizer and consultant fees from Takeda, Janssen. L. Peyrin-Biroulet: Personal fees from AbbVie, Janssen, Genentech, Ferring, Tillots, Pharmacosmos, Celltrion, Takeda, Boerhinger Ingelheim, Pfizer, Index Pharmaceuticals, Sandoz, Celgene, Biogen, Samsung Bioepis, Alma, Sterna, Nestle, Enterome, Allergan, MSD, Roche, Arena, Gilead, Hikma, Amgen, BMS, Vifor, Norgine ; Mylan, Lilly, Fresenius Kabi, Oppilan Pharma, Sublimity Therapeutics, Applied Molecular Transport, OSE Immunotherapeutics, Enthera, Theravance. Grants: Abbvie, MSD, Takeda. B. Pariente: Consulting fees: AbbVie, MSD, Takeda, Janssen, Lilly, Pfizer, and Biogaran. Lecture fees: Abbvie, MSD, Takeda, Janssen, and Ferring, and other authors declare that they have no conflict of interest., (Copyright © 2020 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Introduction: The aim of this study was to evaluate the association between serum ustekinumab (UST) trough levels and response to induction and maintenance UST treatment in refractory Crohn's Disease (CD) patients., Methods: We performed a prospective study including CD patients who received UST from September 2015 to January 2017. Patients received 90 mg of UST subcutaneously at weeks 0, 4, and 12, then every 8 weeks. Two cohorts of patients were analyzed: an induction cohort and a maintenance cohort. We evaluated clinical, biological, and imaging/endoscopic response to UST treatment. UST trough levels and anti-UST antibodies were dosed at weeks 12 and 28 in the induction cohort, and at a single time point in the maintenance cohort., Results: Forty-nine patients were enrolled in the maintenance cohort. Mean concentrations of UST were 1.88 ± 1.40 µg/mL. UST trough levels were not significantly different in patients with or without clinical, biological, or imaging/endoscopic responses to UST treatment (p > 0.11). Twenty-three consecutive patients were included in the induction cohort. At week 12, mean UST concentrations were 1.45 ± 1.15 µg/mL. Patients with a biological response to UST treatment had significant higher serum UST trough concentration (median 1.72 µg/mL) than non-responders (median 0.56 µg/mL, p = 0.02). A UST trough level ≥ 1.10 µg/mL at week 12 was associated with a biological response to UST treatment at 6 months., Conclusion: UST trough levels were associated with a biological response at the end of the induction phase. In patients with low levels of UST, optimization treatment may be necessary to obtain a sustained response.

Background: Infliximab (IFX) is effective in inducing and maintaining remission in patients with luminal and anoperineal Crohn's disease (CD). However, treatment failure within 12 months after initiating IFX is observed in a significant proportion of patients. The aim of the present study was to determine whether the body mass index (BMI) affects response to IFX during the first year of treatment in patients with CD., Methods: All patients with luminal CD who began IFX between January 2010 and May 2014 were prospectively included. BMI was calculated before IFX treatment was begun, and patients were divided into 3 groups: normal BMI (BMI < 25 kg/m), overweight patients (BMI of 25.0-30 kg/m), and obese patients (BMI > 30.0 kg/m). The primary outcome was to evaluate the rate and delay of IFX optimization during the first year of treatment among normal weight, overweight, and obese patients., Results: One hundred forty patients were included. Demographic and clinical characteristics at IFX initiation were comparable among the 3 groups. Within 12 months after the initiation of IFX, the rate of IFX optimization was significantly higher in overweight and obese patients than in the normal BMI group: 52%, 56%, and 20%, respectively (P = 0.0002). The median time until optimization of IFX was significantly shorter in overweight and obese patients than in the normal BMI group: 7, 7, and 10 months, respectively (P = 0.03). A BMI >25 kg/m was significantly associated with IFX optimization within 12 months on multivariate analysis., Conclusion: This is the first study to show that optimization of IFX is more frequent and faster in obese and overweight patients with CD and occurs within 12 months after beginning IFX, suggesting that an induction regimen with higher doses of IFX and a tight control of IFX concentrations may be needed in these patients.

Background: Although adalimumab is effective in Crohn's disease, most patients experience a loss of response over time. The aim of the present study was to evaluate efficacy and safety of adalimumab dose escalation and identify predictors of a clinical response in Crohn's disease patients with a secondary loss of response., Methods: We performed a retrospective and observational study including all Crohn's disease patients who underwent dose escalation of adalimumab after a secondary loss of response from 2007 to 2015., Results: A clinical response was observed in 99/124 (79%) patients at 3 months and in 62/107 (61%) patients at 12 months. The predictive factors of response to ADA dose escalation at 12 months on multivariate analysis were: maintenance therapy of 40mg every week rather than 80mg every other week (OR 3.64, 95% CI: 1.28-10.37) and a CRP level≤5mg/L at adalimumab dose escalation (OR 6.64, 95% CI: 1.40-27.53). Adalimumab was withdrawn in 4 patients due to side effects., Conclusions: Adalimumab dose escalation is an effective and well-tolerated therapeutic option in patients with secondary loss of response. A 40mg every week optimized regimen was predictive of a response to ADA dose escalation., (Copyright © 2016 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: To describe long-term postoperative evolution of pediatric-onset Crohn's disease (CD) and identify predictors of outcome we studied a population-based cohort (1988-2004) of 404 patients (0-17 years), of which 130 underwent surgery., Methods: Risks for a second resection and first need for immunosuppressors (IS) and/or biologics were estimated by survival analysis and Cox models used to determine predictors of outcome. Impact of time of first surgery on nutritional catch-up was studied using regression., Results: In all, 130 patients (70 females) with a median age at diagnosis of 14.2 years (interquartile range: 12-16) were followed for 13 years (9.4-16.6). Probability of a second resection was 8%, 17%, and 29% at 2, 5, and 10 years, respectively. In multivariate analysis, age <14, stenosing (B2) and penetrating (B3) behaviors and upper gastrointestinal location (L4) at diagnosis were associated with an increased risk of second resection. Probability of receiving IS or biologics was 18%, 34%, and 47% at 2, 5, and 10 years, respectively. In multivariate analysis, L4 was a risk factor for requiring IS or biologics, while surgery within 3 years after CD diagnosis was protective. Catch-up in height and weight was better in patients who underwent surgery within 3 years after CD diagnosis than those operated on later., Conclusions: In this pediatric-onset CD study, mostly performed in a prebiologic era, a first surgery performed within 3 years after CD diagnosis was associated with a reduced need for IS and biologics and a better catch-up in height and weight compared to later surgery.