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Concept: Helminthic therapy

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The Crohn’s and Colitis Knowledge (CCKNOW) score does not reflect updated knowledge relating to inflammatory bowel disease (IBD). The aim of this study was to develop, validate, and apply a novel tool to measure disease-related knowledge in IBD patients.

Concepts: Inflammation, Biopsy, Ulcerative colitis, Crohn's disease, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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Increasing incidence of inflammatory bowel diseases such as Crohn’s disease (CD) in developed nations is associated with changes to the environment, such as decreased prevalence of helminth colonization and alterations to the gut microbiota. We find that helminth infection protects mice deficient in the CD susceptibility geneNod2from intestinal abnormalities by inhibiting colonization with an inflammatoryBacteroidesspecies. Colonization resistance toBacteroideswas dependent on type-2 immunity, which promoted the establishment of a protective microbiota enriched in Clostridiales. Additionally, we show that individuals from helminth-endemic regions harbor a similar protective microbiota, and that deworming treatment reduced Clostridiales and increased Bacteroidales. These results support a model of the hygiene hypothesis whereby certain individuals are genetically susceptible to the consequences of a changing microbial environment.

Concepts: Immune system, Disease, Bacteria, Ulcerative colitis, Crohn's disease, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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It is becoming increasingly recognized that purely clinical endpoints may not be sufficient in the treatment of patients with inflammatory bowel disease. As such, mucosal disease assessment has become a prominent component of the majority of recent clinical trials in Crohn’s disease and ulcerative colitis. There is mounting evidence that the attainment of mucosal healing leads to improved clinical outcomes in both Crohn’s disease and ulcerative colitis. However, the use of mucosal healing as a therapeutic endpoint in inflammatory bowel disease is in its early stages, as a number of issues limit its application to routine clinical practice.

Concepts: Biopsy, Ulcerative colitis, Crohn's disease, Colon, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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Modern hygienic lifestyles are associated with the emergence of inflammatory bowel disease (IBD) which now afflicts millions of people in highly-developed countries. Meticulous hygiene interrupts conduits of transmission required for ubiquitous exposure to parasitic worms (helminths). We proposed that loss of exposure to helminths permits development of IBD. Early clinical trials suggested that exposure to helminths such as Trichuris suis or Necator americanus can improve IBD. Over the last several years, processes to “medicinalize"T. suis have been developed and use of this helminth is now being studied in large multi-center clinical trials. Concurrently, we and others have identified some of the immune regulatory mechanisms elicited by helminth exposure that suppress inappropriate intestinal inflammation. These efforts could soon result in new therapies for patients with IBD.

Concepts: Immune system, Inflammation, Intestinal parasite, Ulcerative colitis, Gastroenterology, Inflammatory bowel disease, Helminthic therapy, Hookworm

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BACKGROUND: Some of the most important questions relating to the use of biological therapy in inflammatory bowel diseases concern the duration of maintenance therapy. AIM: To assess the disease course and frequency of relapse of Crohn’s disease (CD) following discontinuation of biological therapy, and to determine predictive factors for relapse. METHODS: One hundred twenty-one CD patients who had achieved clinical remission following 1 year of biological therapy and for whom biological therapy was then discontinued participated in this prospective observational study. Eighty-seven CD patients had received infliximab and 34 adalimumab. The definition of relapse was an increase of >100 points in CDAI to at least a CDAI of 150 points. RESULTS: Biological therapy was restarted within 1 year of treatment cessation in 45% of patients. Logistic regression analysis revealed that previous biological therapy (P = 0.011) and dose intensification during the 1-year course of biological therapy (P = 0.024) were associated with the need for and the time to the restarting of biological therapy. Smoking was observed to have an effect that was not statistically significant (P = 0.053). CONCLUSIONS: Biological therapy was restarted a median of 6 months after discontinuation in almost half of Crohn’s disease patients in who had been in clinical remission following 1 year of biological therapy. These results suggest that, in the event of the presence of certain predictive factors, biological therapy should probably be continued for more than 1 year by most patients.

Concepts: Scientific method, Regression analysis, Ulcerative colitis, Crohn's disease, Infliximab, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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Data suggest dietary modification can improve clinical responses in inflammatory bowel disease (IBD). The goal of this study was to determine the efficacy of an autoimmune protocol diet in patients with Crohn’s disease and ulcerative colitis.

Concepts: Biopsy, Ulcerative colitis, Crohn's disease, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Autoimmune diseases, Helminthic therapy

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Vedolizumab was recently FDA approved for treatment of moderate to severe ulcerative colitis (UC) and Crohn’s disease (CD). No study to date has examined the rate of postoperative infectious complications among patients who received vedolizumab in the perioperative period. We sought to determine the 30-day postoperative infectious complication rate among IBD patients who received vedolizumab within 12 weeks of an abdominal operation as compared to patients who received TNFα inhibitors or no biologic therapy.

Concepts: Biopsy, Ulcerative colitis, Crohn's disease, Abdominal pain, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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Crohn’s disease and ulcerative colitis, the two major forms of inflammatory bowel disease (IBD), represent chronic diseases of unknown cause, and they are regarded as prototypical complex diseases. Despite all the recent advances, a complete appreciation of the pathogenesis of IBD is still limited. In this review, we present recent information contributing to a better understanding of mechanisms underlying IBD.

Concepts: Medicine, Biopsy, Ulcerative colitis, Crohn's disease, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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Crohn’s disease (CD) and ulcerative colitis (UC) challenge economies worldwide. Detailed health economic data of DRG based academic inpatient care for inflammatory bowel disease (IBD) patients in Europe is unavailable.

Concepts: Biopsy, Economics, Ulcerative colitis, Crohn's disease, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Helminthic therapy

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Asthma and the inflammatory bowel diseases (IBD) each arise through complex interactions between genetic and environmental factors, and share many environmental risk factors. We examined the association between asthma and Crohn’s disease or ulcerative colitis.

Concepts: Inflammation, Biopsy, Ulcerative colitis, Crohn's disease, Colonoscopy, Gastroenterology, Inflammatory bowel disease, Helminthic therapy