INTRODUCTION:The prevalence of penetrating complications in Crohn's disease (CD) increases progressively over time, but evidence on the medical treatment in this setting is limited. The aim of this study was to evaluate the effectiveness of biologic agents in CD complicated with internal fistulizing disease.METHODS:Adult patients with CD-related fistulae who received at least 1 biologic agent for this condition from the prospectively maintained ENEIDA registry were included. Exclusion criteria involved those receiving biologics for perianal disease, enterocutaneous, rectovaginal, anastomotic, or peristomal fistulae. The primary end point was fistula-related surgery. Predictive factors associated with surgery and fistula closure were evaluated by multivariate logistic regression and survival analyses.RESULTS:A total of 760 patients from 53 hospitals (673 receiving anti–tumor necrosis factors, 69 ustekinumab, and 18 vedolizumab) were included. After a median follow-up of 56 months (interquartile range, 26–102 months), 240 patients required surgery, with surgery rates of 32%, 41%, and 24% among those under anti–tumor necrosis factor, vedolizumab, or ustekinumab, respectively. Fistula closure was observed in 24% of patients. Older patients, ileocolonic disease, entero-urinary fistulae, or an intestinal stricture distal to the origin of the fistula were associated with a higher risk of surgery, whereas nonsmokers and combination therapy with an immunomodulator reduced this risk.DISCUSSION:Biologic therapy is beneficial in approximately three-quarters of patients with fistulizing CD, achieving fistula closure in 24%. However, around one-third still undergo surgery due to refractory disease. Some patient- and lesion-related factors can identify patients who will obtain more benefit from these drugs.

Although sedation in endoscopy is increasingly used and contributes to the quality of procedures, its role in upper gastrointestinal endoscopy (UGE) is not as well defined as in other procedures. For this reason, we conducted a prospective pilot study where the patient, once informed of the different options, decided whether or not to undergo sedation for UGE. Remarkably, almost 60% preferred not to undergo sedation, with a high degree of satisfaction and no adverse effects in any of the groups (Ferrer Rosique JA, et al. XXXIX Congreso SEED, Toledo 2017).

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Background The coexistence of immune-mediated diseases and non-pharmacological immunosuppression states are rare and might determine the natural history of the disease and therapeutic decisions of the physician. IBD guidelines recommend screening for human immunodeficiency virus (HIV) before starting immunosuppressive treatment, but data on the impact of HIV infection on IBD and its management in the era of biological drugs are scarce. Therefore, our aim was to describe IBD phenotype, immunosuppressive requirements, and prevalence of opportunistic infections (OI) in patients with IBD and coexistent HIV infection. Methods Case-control, retrospective, multicenter study including all IBD patients with available HIV serology on the ENEIDA registry (a large, prospectively maintained database of the Spanish Working Group in IBD –GETECCU). IBD patients with positive HIV serology were selected (HIV+) and compared to HIV seronegative IBD patients (controls), matched 1:3 by year of IBD diagnosis, age, gender and type of IBD). Demographic, clinical IBD characteristics, therapeutic requirements, OI and IBD complications were registered. Results Eighty-eight HIV+ IBD patients and 264 controls were included. In the whole cohort, 81% were men, 56.8% had ulcerative colitis (UC), 36.4% Crohns’ disease (CD) and 6.8% IBD unclassified. Median age at IBD diagnosis was 38 years (IQR 30-47), median age at HIV infection diagnosis was 36 years (IQR 30-42), 46.3% being were firstly diagnosed of IBD. Among UC patients, HIV+ had a lower proportion of extensive disease (24.5% vs 44.8%; P=0.002), and a higher proportion of proctitis (38.8% vs. 16.6%; P=0.002) than controls, without differences on disease proximal progression (7.7% vs 7.9%). Among CD patients, HIV+ presented a higher proportion of colonic involvement than controls (40.6% vs 12,6%, P=0.002) and lower penetrating behavior (10.7% vs 25%; ns). HIV+ had a lower proportion of extraintestinal manifestations (10.7% vs 25.4%; P=0.005). Although it was not statistically significant, a trend towards a lower proportion of hospitalizations (25.6% vs 35.3%) and IBD complications (6.3% vs. 9.2%) in HIV+ was observed. Regarding IBD therapeutic requirements, immunosuppressant (40.5% vs 58.7%; P=0.003) and biological drugs (28.3% vs 42.8%; P=0.020) were used less frequently among HIV+ than among controls. Conversely, HIV+ had a higher rate of OI (38.3% vs 17.8%; P<0.001) and malignancies (12.5% vs 8.3%, ns) than controls. Conclusion The coexistence of IBD and HIV infection seems to be associated with a less aggressive IBD phenotype and a lower use of immunosuppressants and biologicals but with a remarkable rate of OI.

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