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Gastrointestinal Disease clinical trials

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NCT ID: NCT04519086 Suspended - Appendicitis Clinical Trials

The Optimization of a Low-dose CT Protocol in Patients With Suspected Uncomplicated Acute Appendicitis and BMI >30

OPTICAP>30
Start date: November 4, 2020
Phase: N/A
Study type: Interventional

This study focuses on the use of contrast enhanced low-dose CT imaging as a modality to differentiate between uncomplicated and complicated acute appendicitis. Accurate differential diagnosis allows the assessment of all available treatment options. Complicated acute appendicitis requires emergency appendectomy, while uncomplicated acute appendicitis can be safely and efficiently treated with antibiotics in the majority of patients. Our study group already published the results of the initial OPTICAP trial enrolling patients with BMI under 30 showing similar accuracy between the low-dose and the stadard dose CT, but a significant dose reduction associated with the low-dose CT. All patients will undergo both imaging protocols as the standard CT is also optimized for a low as possible radiation dosage and imaging sequence per patient is randomized due to the optimization of contrast media injection timing. All patients participating in this study will be treated operatively with a laparoscopic appendectomy to obtain histological confirmation for the diagnosis to evaluate the accuracy of the CT imaging. The aim of this study is to optimize a well-performing low-dose CT imaging protocol to use in the diagnosis of uncomplicated acute appendicitis in patients with body mass index over 30 kg/m2.

NCT ID: NCT03462979 Suspended - Quality of Life Clinical Trials

Effects of Home Gluten Immunogenic Peptide Testing on Children With Celiac Disease

Start date: April 15, 2018
Phase: N/A
Study type: Interventional

This study aims to investigate how knowledge of gluten immunogenic peptide (GIP) levels in stool and urine affects subsequent adherence to a gluten-free diet. Half of the participants will receive results in real-time using a home device and the other half will store samples to be tested at the end of the 30 week study. Participants will also have a diet review with a dietitian at the beginning of the end of their study and be asked questions about their symptoms, gluten-free diet adherence and quality of life.