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Inflammatory Bowel Diseases

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https://www.readbyqxmd.com/read/29788474/umbilical-cord-blood-transplantation-corrects-very-early-onset-inflammatory-bowel-disease-in-chinese-patients-with-il10ra-associated-immune-deficiency
#1
Kaiyue Peng, Xiaowen Qian, Zhiheng Huang, Junping Lu, Yuhuan Wang, Ying Zhou, Huijun Wang, Bingbing Wu, Ying Wang, Lingli Chen, Xiaowen Zhai, Ying Huang
Background: Hematopoietic stem cell transplantation is considered the only curative therapy for very early-onset inflammatory bowel disease with specific immune defects, such as interleukin-10 receptor deficiency. We performed reduced-intensity conditioning before umbilical cord blood transplantation in patients with interleukin-10 receptor-A deficiency. Methods: We enrolled 9 very early-onset inflammatory bowel disease patients with typical manifestations. We diagnosed the patients with interleukin-10 receptor-A deficiency by whole-exome sequencing...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788416/evaluation-of-rapid-vs-standard-infliximab-infusions-in-the-pediatric-population
#2
Nicole A Rozette, Christina M Hellauer, Chephra McKee, Turaj Vazifedan, Christos A Gabriel, James E Dice, Nancy U Yokois
Background: Rapid 1-hour infliximab infusions have been safely implemented in adults, but studies of these rapid infusions in pediatric patients are limited. This study's primary objective was to determine the safety of 1-hour infliximab infusions compared with standard 2- to 3-hour infusions in children with inflammatory bowel disease and other autoimmune disorders. Methods: We conducted an institutional review board-approved prospective study using an unmatched historical control group at a freestanding children's hospital comparing rapid vs standard infusion rates of infliximab and the use of premedications and immunomodulatory agents on the frequency of early and delayed infusion reactions...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788410/differentiation-between-pediatric-irritable-bowel-syndrome-and-inflammatory-bowel-disease-based-on-fecal-scent-proof-of-principle-study
#3
Sofie Bosch, Nora van Gaal, Roy P Zuurbier, James A Covington, Alfian N Wicaksono, Maarten H Biezeveld, Marc A Benninga, Chris J Mulder, Nanne K H de Boer, Tim G J de Meij
Background: The diagnostic work-up of pediatric irritable bowel syndrome (IBS) and functional abdominal pain-not otherwise specified (FAP-NOS) commonly includes invasive tests for discrimination from inflammatory bowel disease (IBD). As this carries a high burden on patients, an ongoing need exists for development of noninvasive diagnostic biomarkers for IBS and FAP-NOS. Several studies have shown microbiota alterations in IBS/FAP, which are considered to be reflected by fecal volatile organic compounds (VOCs)...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788407/deregulation-of-sgk1-in-ulcerative-colitis-a-paradoxical-relationship-between-immune-cells-and-colonic-epithelial-cells
#4
Rocco Spagnuolo, Vincenzo Dattilo, Lucia D'Antona, Cristina Cosco, Rossana Tallerico, Valeria Ventura, Francesco Conforti, Caterina Camastra, Rosellina M Mancina, Giada Catalogna, Vincenzo Cosco, Rodolfo Iuliano, Ennio Carbone, Nicola Perrotti, Rosario Amato, Patrizia Doldo
Background: Inflammatory bowel disease (IBD) is due to the interaction of genetic and environmental factors that trigger an unbalanced immune response ultimately resulting in the peculiar inflammatory reaction. Experimental models of IBD point to a role of T-cell-derived cytokines (Th17) and to SGK1 as mediator of the Th17 switch. We hypothesize that SGK1, a salt inducible kinase, directs lymphocytic behavior and tissue damage. Methods: Eleven controls and 32 ulcerative colitis (UC) patients were randomized according to endoscopic Mayo score...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788382/colonic-inhibition-of-phosphatase-and-tensin-homolog-increases-colitogenic-bacteria-causing-development-of-colitis-in-il10-mice
#5
Jonathon Mitchell, Su Jin Kim, Georgios Koukos, Alexandra Seelmann, Brendan Veit, Brooke Shepard, Sara Blumer-Schuette, Harland S Winter, Dimitrios Iliopoulos, Charalabos Pothoulakis, Eunok Im, Sang Hoon Rhee
Background: Phosphatase and tensin homolog (Pten) is capable of mediating microbe-induced immune responses in the gut. Thus, Pten deficiency in the intestine accelerates colitis development in Il10-/- mice. As some ambient pollutants inhibit Pten function and exposure to ambient pollutants may increase inflammatory bowel disease (IBD) incidence, it is of interest to examine how Pten inhibition could affect colitis development in genetically susceptible hosts. Methods: With human colonic mucosa biopsies from pediatric ulcerative colitis and non-IBD control subjects, we assessed the mRNA levels of the PTEN gene and the gene involved in IL10 responses...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788323/development-and-psychometric-properties-of-the-inflammatory-bowel-disease-distress-scale-ibd-ds-a-new-tool-to-measure-disease-specific-distress
#6
Lesley Dibley, Wladyslawa Czuber-Dochan, Sue Woodward, Tiffany Wade, Paul Bassett, Jackie Sturt, Christine Norton
Background: Inflammatory bowel disease (IBD) imposes a heavy psychosocial burden, with many patients reporting anxiety, depression, and distress. In diseases such as diabetes, disease-specific distress is associated with concordance with treatments and disease control. IBD distress, distinct from anxiety and depression, is evident in people with IBD. We aimed to develop a questionnaire for assessing IBD-specific distress, validate this against a gold standard distress measure for diabetes, and demonstrate the difference between anxiety, depression, and distress...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788318/effectiveness-and-safety-of-vedolizumab-in-anti-tnf-na%C3%A3-ve-patients-with-inflammatory-bowel-disease-a-multicenter-retrospective-european-study
#7
Uri Kopylov, Bram Verstockt, Luc Biedermann, Shaji Sebastian, Daniela Pugliese, Elena Sonnenberg, Peter Steinhagen, Naila Arebi, Yulia Ron, Torsten Kucharzik, Xavier Roblin, Bella Ungar, Ariella Bar-Gil Shitrit, Sandro Ardizzone, Pauliina Molander, Marina Coletta, Laurent Peyrin-Biroulet, Peter Bossuyt, Irit Avni-Biron, Emmanouela Tsoukali, Mariangela Allocca, Konstantinos Katsanos, Tim Raine, Taina Sipponen, Gionata Fiorino, Shomron Ben-Horin, Rami Eliakim, Alessandro Armuzzi, Britta Siegmund, Daniel C Baumgart, Nikolaos Kamperidis, Nitsan Maharshak, Christian Maaser, Gerassimos Mantzaris, Henit Yanai, Dimitrious K Christodoulou, Iris Dotan, Marc Ferrante
Background: Vedolizumab (VDZ) is effective for treatment of ulcerative colitis (UC) and Crohn's disease (CD). In GEMINI trials, anti-tumor necrosis factor (anti-TNF)-naïve patients had a superior response compared with anti-TNF-exposed patients. In real-world experience (RWE), the number of included anti-TNF-naïve patients was low. We aimed to evaluate the effectiveness and safety of VDZ in anti-TNF-naïve patients in an RWE setting. Methods: This retrospective multicenter European pooled cohort study included consecutive active anti-TNF-naïve IBD patients treated with VDZ...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788271/the-innate-immune-system-in-the-gastrointestinal-tract-role-of-intraepithelial-lymphocytes-and-lamina-propria-innate-lymphoid-cells-in-intestinal-inflammation
#8
A Montalban-Arques, M Chaparro, Javier P Gisbert, D Bernardo
Background: The gastrointestinal tract harbors the largest microbiota load in the human body, hence maintaining a delicate balance between immunity against invading pathogens and tolerance toward commensal. Such immune equilibrium, or intestinal homeostasis, is conducted by a tight regulation and cooperation of the different branches of the immune system, including the innate and the adaptive immune system. However, several factors affect this delicate equilibrium, ultimately leading to gastrointestinal disorders including inflammatory bowel disease...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788266/dietary-magnesium-alleviates-experimental-murine-colitis-through-upregulation-of-the-transient-receptor-potential-melastatin-6-channel
#9
Valentina Trapani, Valentina Petito, Angelica Di Agostini, Daniela Arduini, Willem Hamersma, Giuseppe Pietropaolo, Francesca Luongo, Vincenzo Arena, Egidio Stigliano, Loris R Lopetuso, Antonio Gasbarrini, Federica I Wolf, Franco Scaldaferri
Background: Magnesium (Mg) is essential for human health and is absorbed mainly in the intestine. In view of the likely occurrence of an Mg deficit in inflammatory bowel disease (IBD) and the documented role of Mg in modulating inflammation, the present study addresses whether Mg availability can affect the onset and progression of intestinal inflammation. Methods: To study the correlation between Mg status and disease activity, we measured magnesemia by atomic absorption spectroscopy in a cohort of IBD patients...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788260/impact-of-obesity-on-short-and-intermediate-term-outcomes-in-inflammatory-bowel-diseases-pooled-analysis-of-placebo-arms-of-infliximab-clinical-trials
#10
Siddharth Singh, James Proudfoot, Ronghui Xu, William J Sandborn
Background and aims: To assess whether obesity may affect natural history of inflammatory bowel diseases (IBD), we conducted an individual participant data (IPD) pooled analysis of placebo arms, using data from clinical trials of infliximab in IBD and using the Yale Open Data Access (YODA) Project. Methods: We obtained IPD from 4 placebo-controlled trials of infliximab in adults with IBD (ACCENT-I and ACCENT-II; ACT-1 and ACT-2). Patients were categorized into quartiles based on body mass index (BMI) or weight at time of trial entry...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788240/predictors-and-management-of-loss-of-response-to-vedolizumab-in-inflammatory-bowel-disease
#11
Eugenia Shmidt, Gursimran Kochhar, Justin Hartke, Prianka Chilukuri, Joseph Meserve, Khadija Chaudrey, Jenna L Koliani-Pace, Robert Hirten, David Faleck, Morris Barocas, Michelle Luo, Karen Lasch, Brigid S Boland, Siddharth Singh, Niels Vande Casteele, Sashidhar Varma Sagi, Monika Fischer, Shannon Chang, Matthew Bohm, Dana Lukin, Keith Sultan, Arun Swaminath, David Hudesman, Nitin Gupta, Sunanda Kane, Edward V Loftus, William J Sandborn, Corey A Siegel, Bruce E Sands, Jean-Frederic Colombel, Bo Shen, Parambir S Dulai
Background: We quantified loss of response (LOR) to vedolizumab (VDZ) in clinical practice and assessed the effectiveness of VDZ dose intensification for managing LOR. Methods: Retrospective review (May 2014-December 2016) of a prospectively maintained inflammatory bowel disease (IBD) registry. Kaplan-Meier estimates were used to determine rates of LOR to VDZ . Independent predictors of LOR were identified using univariate and multivariable Cox proportional hazard regression...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788235/heart-under-attack-cardiac-manifestations-of-inflammatory-bowel-disease
#12
Natalie E Mitchell, Nicole Harrison, Zachary Junga, Manish Singla
There is a well-established association between chronic inflammation and an elevated risk of heart disease among patients with systemic autoimmune conditions. This review aims to summarize existing literature on the relationship between inflammatory bowel disease and ischemic heart disease, heart failure, arrhythmia, and pericarditis, with particular attention to approaches to management and treatment.
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788218/evolution-of-the-randomized-controlled-trial-in-inflammatory-bowel-disease-current-challenges-and-future-solutions
#13
Reena Khanna, Guangyong Zou, Brian G Feagan
As knowledge of the pathogenesis of inflammatory bowel disease (IBD) has grown, many new medical therapies have become available. Evaluation of the efficacy and safety of new drugs has conventionally been established with placebo-controlled randomized trials. However, given that highly effective and safe biologic agents such as tumor necrosis factor (TNF) antagonists, vedolizumab, and ustekinumab are currently available, the continued use of placebo-controlled studies to evaluate new molecules should be questioned...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788186/nanoparticle-based-oral-drug-delivery-systems-targeting-the-colon-for-treatment-of-ulcerative-colitis
#14
Mingzhen Zhang, Didier Merlin
Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), is characterized by chronic relapsing inflammation of the gastrointestinal tract. Delivery of orally administered drugs to the colon is highly desirable for the treatment of UC, as it improves their efficacy while reducing systemic toxicity. However, the targeting of oral drugs to the colon, which is located at the distal end of the gastrointestinal tract, is difficult due to physiological challenges, biochemical barriers, and environmental barriers, including those associated with mucus and epithelium...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788152/early-arthritis-is-associated-with-failure-of-immunosuppressive-drugs-and-severe-pediatric-crohn-s-disease-evolution
#15
Naïm Ouldali, Jean-Pierre Hugot, Jérôme Viala, Mohamed Damir, Christine Martinez-Vinson, Ulrich Meinzer
Background: Crohn's disease (CD) is a chronic relapsing inflammatory disease. To optimize therapeutic decision making, it is essential to identify parameters that allow early prediction of a severe disease course. The aim of this study was to assess the link between arthritis and medium-term therapeutic failure in pediatric CD. Methods: We conducted a population-based cohort study with prospectively collected electronic data. To be included, patients must be younger than 17 years and have a confirmed CD diagnosed between 2005 and 2014...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788141/a-single-nucleotide-polymorphism-in-the-vitamin-d-receptor-gene-is-associated-with-decreased-levels-of-the-protein-and-a-penetrating-pattern-in-crohn-s-disease
#16
Laura Gisbert-Ferrándiz, Pedro Salvador, Dolores Ortiz-Masiá, Dulce Carolina Macías-Ceja, Samuel Orden, Juan Vicente Esplugues, Sara Calatayud, Joaquín Hinojosa, Maria Dolores Barrachina, Carlos Hernández
Background: Vitamin D signaling modulates inflammation through the vitamin D receptor (VDR). The synonymous single nucleotide polymorphism (SNP) rs731236, located in the VDR gene, has been associated with a higher risk of Crohn's disease (CD). We analyzed differences in VDR expression levels among CD patients who were homozygous for allelic variants in this SNP and their relevance for disease course. Methods: DNA was extracted from blood samples of CD patients, and SNP genotyping was performed by polymerase chain reaction-restriction fragment length polymorphism...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788137/inflammatory-bowel-disease-telemedicine-clinical-trial-impact-of-educational-text-messages-on-disease-specific-knowledge-over-1-year
#17
Ameer Abutaleb, Andrea Buchwald, Kenechukwu Chudy-Onwugaje, Patricia Langenberg, Miguel Regueiro, David A Schwartz, J Kathleen Tracy, Leyla Ghazi, Seema A Patil, Sandra M Quezada, Katharine M Russman, Charlene C Quinn, Guruprasad Jambaulikar, Dawn B Beaulieu, Sara Horst, Raymond K Cross
Background: Effective treatments are available for patients with inflammatory bowel disease (IBD); however, suboptimal outcomes occur and are often linked to patients' limited disease knowledge. The aim of this analysis was to determine if delivery of educational messages through a telemedicine system improves IBD knowledge. Methods: TELEmedicine for Patients with IBD (TELE-IBD) was a randomized controlled trial with visits at baseline, 6 months, and 12 months; patient knowledge was a secondary aim of the study...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788102/legalization-of-medicinal-marijuana-has-minimal-impact-on-use-patterns-in-patients-with-inflammatory-bowel-disease
#18
Ami M Merker, Mahrukh Riaz, Sonia Friedman, Jessica R Allegretti, Joshua Korzenik
Background: Patients with inflammatory bowel disease (IBD) have reported use of marijuana to treat symptoms of the disease, yet its classification as a Schedule 1 substance by the federal government has restricted its use. In 2012, Massachusetts legalized medicinal marijuana. We aimed to assess the impact of legalization on use in IBD. Methods: Consecutive patients with IBD, cared for at a tertiary care center in Boston, were surveyed regarding use of marijuana, including its perceived benefits and attitudes...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788077/irgm-gene-variants-modify-the-relationship-between-visceral-adipose-tissue-and-nafld-in-patients-with-crohn-s-disease
#19
Tracey G Simon, Kimberley W J Van Der Sloot, Samantha B Chin, Amit D Joshi, Paul Lochhead, Ashwin N Ananthakrishnan, Ramnik Xavier, Raymond T Chung, Hamed Khalili
Background: Nonalcoholic fatty liver disease (NAFLD) is an increasingly recognized comorbidity in Crohn's disease (CD), but the mechanisms are poorly understood. Autophagy is a highly conserved process regulating innate immunity that contributes to CD susceptibility. Emerging data suggest that variants in the autophagy-governing IRGM gene may contribute to the accumulation of visceral adipose tissue (VAT) and hepatic fat. Our objective was to characterize the relationship between VAT, IRGM gene variants, and NAFLD risk in patients with CD...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788063/lack-of-difference-in-treatment-patterns-and-clinical-outcomes-between-black-and-white-patients-with-inflammatory-bowel-disease
#20
Edward L Barnes, Bharati Kochar, Millie D Long, Joel Pekow, Ashwin Ananthakrishnan, Adjoa Anyane-Yeboa, Christopher Martin, Joseph Galanko, Hans H Herfarth, Michael D Kappelman, Robert S Sandler
Background: Previous reports have shown differences in phenotypes among black patients with inflammatory bowel disease (IBD) compared with other racial groups, but prior studies were limited by small numbers of black patients and cross-sectional analyses. We used data from the Sinai-Helmsley Alliance for Research Excellence cohort to compare phenotypes and treatment patterns of black and white patients with IBD in a prospective study. Methods: We compared phenotypes, IBD-specific therapies, and health care utilization among black and white patients with IBD...
May 18, 2018: Inflammatory Bowel Diseases
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