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Clinical Trial Summary

In patients with Cystic fibrosis (CF) epithelial transport of chloride and sodium is disrupted in several organs such as airways, sweat glands, pancreas and intestines. Gastrointestinal symptoms are frequent but little is known about intestinal motility and function. Earlier studies using lactulose/hydrogen breath tests have found altered intestinal transit time. The method has several sources of errors and results have been questioned. This study is using a new, non invasive method to study intestinal motility patterns and transit times, Magnetic Tracking System - 1 (MTS-1).

The aim is to compare patterns of contractility and transit times in the stomach and small intestine in adult CF- patients with healthy controls.

Methods MTS-1 is performed without radiation and is associated with minimal discomfort for subjects. A small magnetic pill is ingest and detected by a matrix of sensors. Position and orientation of the magnet are defined by five coordinates (position: x, y, z, angle: φ, θ). Frequencies of slow waves as well as number and power of phase III contractions can be identified.

Colorectal transit times are determined with a plain abdominal x-ray. The subjects are asked to ingest a capsule containing 10 radiopaque markers on six consecutive days up to examination. The total number of markers in the entire colorectum is counted. Total transit time, as well as segmental is calculated.

Subjects 15 adult patients (> 18 years) with CF, homozygote for the mutation ΔF508, are studied. They are all pancreas insufficient (fecal elastase < 100 µg/g), with no previous intestinal resection or lung transplantation. None of them have diabetes. Patients are all in well-regulated pancreatic enzyme replacement therapy (PERT), thriving and with stabile weight over the last half year. They have had no treatment with antibiotics in the last 14 days up to the examination.

The hypothesis is that patterns of contractility and transit times are the same for CF-patients in well -regulated PERT as for healthy controls.


Clinical Trial Description

n/a


Study Design

Observational Model: Case Control, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT01468428
Study type Observational
Source University of Aarhus
Contact
Status Enrolling by invitation
Phase N/A
Start date October 2010
Completion date December 2011

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