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Background: Celiac disease (CD) is still underestimated. To close this diagnostic gap, the Health Sicilian Authorities have constituted the "Sicilian Network for CD". Aims: A) To verify the quality of the current diagnostic approach using the data sheet of the Network. B) To evaluate the clinical, serologic and histologic data of new diagnoses in the context of the Network METHODS: We retrospectively evaluated the data collection forms of 369 patients with CD from three Centers within the Sicilian Network. All the Centers used a standard data collection form. Results: A non-classical CD presentation was more frequent than the classical one, anemia being the most frequent symptom (50%). An IBS-like presentation was found in one third of the cases. A diagnostic delay of about 9 years following the onset of symptoms was observed. Almost half of the patients had not undergone multiple duodenal biopsies; unrecommended CD serology assays were prescribed in 59.9% of the cases. Conclusions: The regional data sheets allowed an assessment of the diagnostic delay. We recorded a frequent use of unrecommended tests prescribed before referring patients to the regional Centers. Updating the education of physicians regarding CD is necessary to avoid unwarranted health expenditure.

The role of Vedolizumab (VDZ) as therapeutic option for the postoperative recurrence of Crohn's disease (CD) following ileocolonic resection is unknown.To assess the effectiveness of VDZ in this setting.All consecutive CD patients with a baseline colonoscopy at 6-12 months from the ileocolonic resection showing postoperative recurrence (Rutgeerts score ≥i2) and treated with VDZ after the baseline colonoscopy were extracted from the cohort of the Sicilian Network for Inflammatory Bowel Diseases (SN-IBD). The primary outcome was endoscopic success, assessed at the first colonoscopy following initiation of VDZ and defined as reduction of at least one point of Rutgeerts score. The secondary outcome was clinical failure, assessed at one year and at the end of follow-up.Fifty-eight patients were included (mean follow-up: 24.8 ± 13.1 months). Endoscopic success was reported in 47.6% of patients. Clinical failure was reported in 19.0% of patients at one year, and in 32.8% of patients at the end of follow-up. A new resection was required in 7 patients (12.1%).VDZ may be an effective option for the treatment of postoperative recurrence of CD.

Background Data from the first wave of the coronavirus disease 2019 (COVID-19) pandemic suggested that patients with inflammatory bowel disease (IBD) are not at higher risk of being infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) than the general population and that a worse prognosis is not associated with immunomodulatory drugs, with the possible exception of systemic steroids. Methods This retrospective, observational study included consecutive IBD patients from the Sicilian Network for Inflammatory Bowel Disease (SN-IBD) cohort who had a SARS-CoV-2 infection diagnosis (polymerase chain reaction–confirmed presence of the viral genome in a nasopharyngeal swab) during the second COVID-19 pandemic wave (September 2020 to December 2020). Data regarding demographics, IBD features and treatments, and comorbidities were analyzed in correlation with COVID-19 clinical outcomes. Results Data on 122 patients (mean age, 43.9 ± 16.7 years; males, 50.0%; Crohn’s disease, 62.3%; ulcerative colitis, 37.7%) were reported. Twelve patients developed COVID-19-related pneumonia (9.8%), 4 (3.3%) required respiratory assistance (nonmechanical ventilation or orotracheal intubation), and 4 died (case fatality rate, 3.3%). In a multivariable analysis, age (odds ratio [OR], 1.034; 95% CI, 1.006–1.147; P = .032) and severe IBD activity (OR, 13.465; 95% CI, 1.104–164.182; P = .042) were independent predictors of COVID-19-related pneumonia, while severe IBD activity (OR, 15.359; 95% CI, 1.320–178.677; P = .030) was the only independent predictor of severe COVID-19, a composite endpoint defined as the need for respiratory assistance or death. A trend towards a protective role of tumor necrosis factor α inhibitors on pneumonia development was reported (P = .076). Conclusions In this cohort of patients with IBD and SARS-CoV-2 infection, severe IBD activity was the only independent risk factor for severe COVID-19.

Background and Aim Ustekinumab is approved in Europe for the treatment of moderate to severe Crohn's disease (CD). Italian real‐life data are scarce, so the aim of this study was to assess the effectiveness and safety of ustekinumab in an Italian cohort of CD patients. Methods Data of patients with CD who started using ustekinumab were extracted from the cohort of the Sicilian Network for Inflammatory Bowel Disease. Primary end‐points were steroid‐free clinical remission at 8, 24, and 52 weeks of therapy and reduction of C‐reactive protein. Secondary end‐points were treatment response, treatment persistence at 12 months, and safety. Results A total of 131 patients (males 56%; mean age 46 years ±15) were included. All patients were biologics experienced except for one. At 24 and 52 weeks, 40% and 43% of patients achieved steroid‐free clinical remission, and 64% and 62% had clinical response, respectively. At the end of follow‐up, there was a significant reduction of steroid use (P = 0.012) and of the Harvey‐Bradshaw Index (P = 0.001). The probability of persistence in therapy with ustekinumab after 12 months of treatment was 89%. The only factor associated with discontinuation was older age. Conclusions Data from our real‐life cohort of treatment‐refractory CD patients suggest the satisfactory effectiveness and safety profile of ustekinumab., We assessed one‐year effectiveness and safety of ustekinumab in an real‐life cohort of treatment‐refractory CD patients. At 52 weeks 43% of patients achieved steroid‐free clinical remission and 62% had clinical response with a persistence in therapy of 98% and a significant reduction of steroid use (p = 0.012) and of HBI (p = 0.001). Data from our cohort suggest satisfactory effectiveness and safety profile of ustekinumab.