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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02805816
Other study ID # 0466-15 RMC
Secondary ID
Status Completed
Phase
First received
Last updated
Start date June 8, 2016
Est. completion date July 2018

Study information

Verified date September 2018
Source Rabin Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

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.


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.


Recruitment information / eligibility

Status Completed
Enrollment 128
Est. completion date July 2018
Est. primary completion date June 2017
Accepts healthy volunteers No
Gender All
Age group 6 Months to 18 Years
Eligibility Inclusion Criteria:

1. Child with clinical suspicion of CD (chronic or recurrent diarrhea, Failure to thrive, growth impairment , iron deficiency anemia, vomiting, chronic abdominal pain, abdominal distension , constipation, fatigue, recurrent oral aphthous or dermatitis herpetiformis) and high TG2 serology (>2 times upper limit of normal) who is referred to gastroscopy and intestinal biopsies Or

2. Asymptomatic child who belongs to high risk group of celiac (Diabetes mellitus type 1, Hashimoto thyroiditis, Down syndrome, Turner syndrome, Williams syndrome, Auto-immune Hepatitis or first degree with CD) and high TG2 serology (>2 times upper limit of normal) who is referred to gastroscopy and intestinal biopsies .

and

3. signed consent form

Exclusion Criteria:

1. IgA (Immunoglobulin A) deficiency

2. Malignancy

3. Inflammatory Bowel Disease

4. Severe chronic infection (HIV, Tuberculosis)

5. Primary immunodeficiency

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Israel Schneider children's medical center of Israel Petach-Tikva

Sponsors (1)

Lead Sponsor Collaborator
Rabin Medical Center

Country where clinical trial is conducted

Israel, 

Outcome

Type Measure Description Time frame Safety issue
Primary Diagnosis of Celiac Disease based on histological findings. 1 year
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