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Bronchopulmonary Dysplasia: From Neonatal Chronic Lung Disease to Early Onset Adult COPD

Preterm Birth Clinical Trial

Official title:
Bronchopulmonary Dysplasia: From Neonatal Chronic Lung Disease to Early Onset Adult Chronic Obstructive Pulmonary Disease

Clinical Trial Summary

The investigators will apply xenon-129 (129Xe) and non-contrast enhanced magnetic resonance imaging (MRI) acquisition and analysis methods in 50 subjects aged between 20 and 29 years born pre-term (with and without a diagnosis of bronchopulmonary dysplasia [BPD]) and at term to characterize and probe the relationship between lung structure and function using imaging.

Clinical Trial Description

This is a pilot, cross-sectional exploratory study to evaluate the relationship between imaging and other biomarkers in fifty patients born pre-term (with or without bronchopulmonary dysplasia [BPD]) and age-matched healthy controls. The term-born adults will serve as the controls. All subjects will visit the Clinical Imaging Research Laboratories at Robarts Research Institute or the University of Montreal University Health Centre Sainte-Justine in a single visit and undergo: vital signs, pulmonary function testing (more specifically: spirometry, body plethysmography, airwave oscillation, and lung clearance index), questionnaires, proton and 129Xe MRI. Preterm patients will also have a low-dose chest computed tomography (CT), and have blood and urine samples taken for biomarkers of inflammation and oxidative stress. MRI of the lungs will be performed using non-contrast enhanced methods (ultra-short echo time [UTE] MRI) and using an inhaled contrast agent: Hyperpolarized Xenon-129. Participants will inhale the hyperpolarized gas and perform a breathhold for up to 16 seconds. Four different types of images will be acquired in the coronal plain during each visit: 1) 1H thoracic cavity, 2) 129Xe static ventilation, 3) 129Xe diffusion weighted imaging, and, 4) multi-volume UTE MRI. Respiration and oxygen saturation will be monitored throughout the imaging session. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02723513
Study type Interventional
Source Western University, Canada
Contact
Status Completed
Phase N/A
Start date April 1, 2016
Completion date September 2020
View Details
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