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Title
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Selecting children with suspected inflammatory bowel disease for endoscopy with the calgranulin C or calprotectin stool test : protocol of the CACATU study
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Author
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Abstract
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| Introduction The introduction of the faecal calprotectin (FC) test to screen children with chronic gastrointestinal complaints has helped the clinician to decide whether or not to subject the patient to endoscopy. In spite of this, a considerable number of patients without inflammatory bowel disease (IBD) is still scoped. Faecal calgranulin C (S100A12) is a marker of intestinal inflammation that is potentially more specific for IBD than FC, as it is exclusively released by activated granulocytes. Objective To determine whether the specificity of S100A12 is superior to the specificity of FC without sacrificing sensitivity in patients with suspected IBD. Methods An international prospective cohort of children with suspected IBD will be screened with the existing FC stool test and the new S100A12 stool test. The reference standard (endoscopy with biopsies) will be applied to patients at high risk of IBD, while a secondary reference (clinical follow-up) will be applied to those at low risk of IBD. The differences in specificity and sensitivity between the two markers will be calculated. Ethics and dissemination This study is submitted to and approved by the Medical Ethics Review Committee of the University Medical Center Groningen (the Netherlands) and the Antwerp University Hospital (Belgium). The results will be disseminated through a peer-reviewed publication, conference presentation and incorporation in the upcoming National Guideline on Diagnosis and Therapy of IBD in Children. |
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Language
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English
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Source (journal)
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BMJ open. - London, 2011, currens
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Publication
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London
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BMJ Group
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2017
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ISSN
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2044-6055
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DOI
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10.1136/BMJOPEN-2016-015636
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Volume/pages
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7
:5
(2017)
, 8 p.
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Article Reference
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e015636
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ISI
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000402533300115
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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