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Although efficacy of ustekinumab (UST) has been demonstrated through randomized trials, data from real-life prospective cohorts are still limited. Our aim was to evaluate clinical efficacy, drug sustainability, dose intensification and results from therapeutic drug monitoring in UST treated patients with Crohn's disease (CD) using a prospective, nationwide, multicenter cohort. Patients from 10 Inflammatory Bowel Disease centers were enrolled between 2019 January and 2020 May. Patient demographics, disease phenotype, treatment history, clinical disease activity (Crohn's Disease Activity Index(CDAI), Harvey Bradshaw Index(HBI)), biomarkers, and serum drug levels were obtained. Evaluations were performed at week8 (post-induction), w16–20, w32–36, and w52–56 follow-up visits. A total of 142 patients were included [57.4% female; complex disease behavior (B2/B3):48%, previous anti-TNF exposition:97%]. Clinical response and remission rates after induction(w8) were 78.1% and 57.7% using CDAI, and 82.5% and 51.8% based on HBI scores. The one-year clinical remission rate was 58%/57.3%(CDAI/HBI). Composite clinical and biomarker remission (CDAI<150 and C-reactive protein<10 mg/L) rates were 35.4%; 33.3%; 38.6% and 36.6% at w8/w16–20/w32–36 and w52–56. Drug sustainability was 81.9%(standard deviation(SD): 3.4) at 1 year(1y). Probability of dose intensification was high and introduced early, 42.2%(SD:4.2) at ~w32 and 51.9%(SD:4.4%) at 1y. Ustekinumab showed favorable drug sustainability and clinical efficacy in a patient population with severe disease phenotype and previous anti-tumor necrosis factor (anti-TNF) failure, however frequent dose intensification was required. [ABSTRACT FROM AUTHOR]

Abstract Background Microscopic colitis presents with similar symptoms to classic inflammatory bowel diseases. Osteoporosis is a common complication of Crohn's disease but there are no data concerning bone metabolism in microscopic colitis. Aims The aim of the present study was to evaluate bone density and metabolism in patients with microscopic colitis. Methods Fourteen patients microscopic colitis were included in the study, and 28 healthy persons and 28 age and gender matched Crohn's disease patients were enrolled as controls. Bone mineral density was measured using dual x-ray absorptiometry at the lumbar spine, femoral neck and the radius. Serum bone formation and bone resorption markers (osteocalcin and beta-crosslaps, respectively) were measured using immunoassays. Results Low bone mass was measured in 57.14% patients with microscopic colitis. Bone mineral density at the femoral neck in patients suffering from microscopic colitis and Crohn's disease was lower than in healthy controls (0.852 ± 0.165 and 0.807 ± 0.136 vs. 1.056 ± 0.126 g/cm2; p < 0.01). Bone mineral density at the non-dominant radius was decreased in microscopic colitis patients (0.565 ± 0.093 vs. 0.667 ± 0.072 g/cm2; p < 0.05) but unaffected in Crohn's disease patients (0.672 ± 0.056 g/cm2). Mean beta-crosslaps concentration was higher in microscopic colitis and Crohn's disease patients than controls (417.714 ± 250.37 and 466.071 ± 249.96 vs. 264.75 ± 138.65 pg/ml; p < 0.05). A negative correlation between beta-crosslaps concentration and the femoral and radius t-scores was evident in microscopic colitis patients. Conclusions Low bone mass is frequent in microscopic colitis, and alterations to bone metabolism are similar to those present in Crohn's disease. Therefore, microscopic colitis-associated osteopenia could be a significant problem in such patients.

Abstract Background Infliximab (IFX) has proven to be an effective addition to the therapeutic arsenal for refractory, fistulizing, and steroid dependent Crohn's disease (CD), with efficacy in the induction and maintenance of clinical remission of CD. Our objective in this study is to report the nationwide, multicenter experience with IFX induction therapy for CD in Hungary. Methods During a 6-year-period, beginning in 2000, a total of 363 CD patients were treated with IFX as induction therapy (5 mg/kg IFX infusions given at week 0, 2 and 6) at eleven centers in Hungary in this observational study. Data analysis included patient demographics, important disease parameters and the outcome of IFX induction therapy. Results Three hundred and sixty three patients (183 women and 180 men) were treated with IFX since 2000. Mean age was 33.5 ± 11.2 years and the mean duration of disease was 6.7 ± 6.1 years. The population included 114 patients (31.4%) with therapy-refractory CD, 195 patients (53.7%) with fistulas, 16 patients (4.4%) with both therapy-refractory CD and fistulas, and 26 patients (7.2%) with steroid dependent CD. Overall response rate was 86.2% (313/363). A higher response rate was observed in patients with shorter disease duration (p = 0.05, OR:0.54, 95%CI:0.29-0.99) and concomitant immunosuppressant therapy (p = 0.05, OR: 2.03, 95%CI:0.165-0.596). Concomitant steroid treatment did not enhance the efficacy of IFX induction therapy. Adverse events included 34 allergic reactions (9.4%), 17 delayed type hypersensitivity (4.7%), 16 infections (4.4%), and 3 malignancies (0.8%). Conclusion IFX was safe and effective treatment in this cohort of Hungarian CD patients. Based on our experience co-administration of immunosuppressant therapy is suggested in patients receiving IFX induction therapy. However, concomitant steroid treatment did not enhanced the efficacy of IFX induction therapy.

The purpose of malnutrition screening is to predict the probability of a worse outcome due to nutritional factors. The Malnutrition Universal Screening Tool (MUST) can be used for screening in inflammatory bowel disease (IBD); however, it does not provide details about body composition. Our aim was to assess the body composition and combine this with the MUST method to screen risk of malnutrition and sarcopenia. A total of 173 IBD outpatients were enrolled in this cross-sectional study. The MUST scale indicated 21.4% of IBD patients to be at risk of malnutrition. A risk of sarcopenia was detected in 27.7%. However, one third of these patients were not considered to be at risk by their MUST score. Furthermore, Crohn's disease (CD) patients had a strongly unfavorable fat-free mass index (FFMI) value compared to ulcerative colitis (UC) patients, and these differences were significant among men (FFMI: 18.62 ± 2.16 vs 19.85 ± 2.22, p = 0.02, in CD and UC males, respectively). As sarcopenia is a relevant prognostic factor, the MUST method should be expanded to include body composition analysis to detect more IBD patients at risk of malnutrition and sarcopenia in order to start their nutritional therapy immediately.

Introduction and objectives: coeliac disease (CD) and its cutaneous manifestation, dermatitis herpetiformis are both (DH) gluten-sensitive diseases. Metabolic bone disease is common among patients with CD, even in asymptomatic forms. Data are scarce about bone density in patients with dermatitis herpetiformis. The aim of our study was to compare bone mineral density (BMD) of celiac and dermatitis herpetiformis patients. Methods: 34 coeliac patients, 53 with dermatitis herpetiformis and 42 healthy controls were studied. The mean age was 38.0 ± 12.1, 32.18 ± 14.95, 35.33 ± 10.41 years in CD, dermatitis herpetiformis, and healthy controls, respectively. Bone mineral density of the lumbar spine, the left femoral neck and radius were measured by dual-energy X-ray absorptiometry. Low bone density, osteopenia and osteoporosis were defined as a body mass density (BMD) T-score between 0 and -1, between -1 and -2.5, and under -2.5, respectively. Results: at lumbar region, consisting of dominantly trabecular compartment, a decreased BMD was detected in 49 % (n = 26) patients with dermatitis herpetiformis, 62 % (n = 21) of CD patients, and 29 % (n = 12) of healthy controls, respectively. Lower BMD were measured at the lumbar region in dermatitis herpetiformis and CD compared to healthy subjects (0.993 ± 0.136 g/cm² and 0.880 ± 0.155 g/cm² vs. 1.056 ± 0.126 g/cm²; p < 0.01). Density of bones consisting of dominantly cortical compartment (femoral neck) did not differ in dermatitis herpetiformis and healthy subjects. Conclusions: our results show that a low bone mass is also frequent among patients with dermatitis herpetiformis. Bone mineral content in these patients is significantly lower in those parts of the skeleton which contain more trabecular than cortical bone.

Background and Aims: Biosimilar infliximab CT-P13 received European Medicines Agency [EMA] approval in June 2013 for all indications of the originator product. In the present study, we aimed to evaluate the predictors of short- and medium-term clinical outcome in patients treated with the biosimilar infliximab at the participating inflammatory bowel disease [IBD] centres in Hungary. Methods: Demographic data were collected and a harmonised monitoring strategy was applied. Clinical and biochemical activities were evaluated at Weeks 14, 30, and 54. Trough level [TL] and anti-drug antibody [ADA] concentrations were measured by enzyme-linked immunosorbent assay [ELISA] [LT-005, Theradiag, France] at baseline at 14, 30 and 54 weeks and in two centres at Weeks 2 and 6. Results: A total of 291 consecutive IBD patients (184 Crohn’s disease [CD] and 107 ulcerative colitis [UC]) were included. In UC, TLs at Week 2 predicted both clinical response and remission at Weeks 14 and 30 (clinical response/remission at Week 14: area under the curve [AUC] = 0.81, p < 0.001, cut-off: 11.5 μg/ml/AUC = 0.79, p < 0.001, cut-off: 15.3μg/ml; clinical response/remission at Week 30: AUC = 0.79, p = 0.002, cut-off: 11.5 μg/ml/AUC = 0.74, p = 0.006, cut-off: 14.5 μg/ml), whereas ADA positivity at Week 14 was inversely associated with clinical response at Week 30 [58.3% vs 84.8% ,p = 0.04]. Previous anti-tumour necrosis factor [TNF] exposure was inversely associated with short-term clinical remission [Week 2: 18.8% vs 47.8%, p = 0.03, at Week 6: 38.9% vs 69.7%, p = 0.013, at Week 14: 37.5% vs 2.5%, p = 0.06]. In CD, TLs at Week 2 predicted short-term [Week 14 response/remission, AUCTLweek2 = 0.715–0.721, p = 0.05/0.005] but not medium-term clinical efficacy. In addition, early ADA status by Week 14 [p = 0.04–0.05 for Weeks 14 and 30], early clinical response [p < 0.001 for Weeks 30/54] and normal C-reactive protein [CRP] at Week 14 [p = 0.005–0.0001] and previous anti-TNF exposure [p = 0.03–0.0001 for Weeks 14, 30, and 54] were associated with shortand medium-term clinical response and remission. Conclusions: In UC, early TLs were predictive for short- and medium-term clinical efficacy, whereas in CD, Week 2 TLs were associated only with short-term clinical outcomes. [ABSTRACT FROM AUTHOR]

Background and Aim: Adalimumab [ADA] was approved for the treatment of ulcerative colitis [UC] refractory to conventional therapy in 2012 in Europe. Due to the observed discrepancies between clinical trials and practice, data on the outcome of ADA therapy are really needed from the real life. The aim of this study was to estimate the short- and long-term efficacy and safety of ADA in UC patients from each Hungarian biological centre. Patients and Methods: This prospective study consisted of UC patients treated with ADA in 10 Hungarian inflammatory bowel disease centres. The primary endpoints of the study were rates of continuous clinical response, remission, non-response and loss of response at Weeks 12, 30, and 52.The secondary endpoints included mucosal healing at Week 52 and the comparison of the efficacy of ADA between biological naive and infliximab [IFX]-treated groups. Colonoscopy was performed before starting the therapy and at Week 52. Results: In all, 73 active UC patients were enrolled in the study: 67.1% of the patients received previous IFX therapy; 75.3% of the patients showed short-term clinical response at Week 12. The probability of maintaining ADA was 48.6% at Week 52 with a continuous clinical response in 92% of these remaining patients. Mucosal healing was achieved in 48.1% of the patients at Week 52. Escalation of ADA was performed in 17.6%, and minor side effects developed in 4% of the patients; 5.4% of the patients underwent colectomy during the 1-year treatment period. Conclusion: UC is a progressive disease that may need early aggressive therapy to prevent structural and functional complications. The results of our study demonstrated the favourable efficacy of short- and long-term ADA treatment for patients with UC. [ABSTRACT FROM AUTHOR]