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Choosing a Preferred Serology Kit for Screening and Diagnosis of Celiac Disease

Celiac Disease Clinical Trial

Official title:
Choosing a Preferred Serology Kit for Screening and Diagnosis of Celiac Disease

Clinical Trial Summary

The investigators will perform prospective observational multicenter study which includes children with suspicion of CD who referred to gastroscopy and intestinal biopsies (study group) and children without suspicion of CD who underwent gastroscopy for other reasons. The investigators will compare sensitivity, specificity and predictive values of several serological kits of TG2 (tissue transglutaminase) (Bioplex 2200, Bioflash, Phadia 250, Liason-XL, Orgentec Alergia and Eurospital) compared with definitive diagnosis of CD according to histological findings.

Clinical Trial Description

Small bowel biopsies have so far been considered as the reference standard for the diagnosis of Celiac disease (CD). However, during the last decades evidence has accumulated on the diagnostic value of specific CD antibodies and has increasingly been used for diagnostic purposes. At the same time, the leading role of histology for the diagnosis of CD has been questioned for several reasons: histological findings are not specific for CD, lesions may be patchy and can occur in the duodenal bulb only and interpretation depends on preparation of the tissue and is prone to a high inter-observer variability. The diagnosis of CD may then depend not only on the results of small bowel biopsies, but also on information from clinical data and on results from specific CD antibody testing. ESPGHAN (European Society of Gastroenterology, Hepatology and Nutrition) guidelines for the diagnosis of CD which was recently published enabled diagnosis of CD based on classical symptoms and high titre levels (>10 times upper limit of normal) of tissue transglutaminase (TG2) and positive Endomysial Anti bodies (EMA) in separate blood samples.

Due to these facts, it is important to use serological kit for TG2 with high specificity and sensitivity. The aim of this study is to assess in a prospective study the kit with the highest sensitivity and specificity among patients with suspected CD.

The investigators will perform prospective observational multicenter study which includes children with suspicion of CD who referred to gastroscopy and intestinal biopsies (study group) and children without suspicion of CD who underwent gastroscopy for other reasons. The investigators will compare sensitivity, specificity and predictive values of several serological kits of TG2 (Bioplex 2200, Bioflash, Phadia 250, Liason-XL, Orgentec Alergia and Eurospital) compared with definitive diagnosis of CD according to histological findings. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02805816
Study type Observational
Source Rabin Medical Center
Contact
Status Completed
Phase
Start date June 8, 2016
Completion date July 2018
View Details
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