About this trial
This studies purpose is to confirm the efficacy and efficiency of using OE-MRI and MRI with hyperpolarized gas techniques and Iodinated contrast CT scan, this will enhance understanding of CLAD pathophysiology. Moreover, this project is foundational to performing additional studies to establish if novel MRI imaging can serve as an objective confirmatory diagnostic tool for CLAD in post-transplant patients.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Ages 18-80
English Speaking Subjects
Willingness and ability to provide informed consent
Non-smoker
Disqualifiers
SAO2 drops below 90% (in absence of mechanical failure) during normal tidal breathing
Unilateral diaphragm paralysis
Evidence of acute illness on day of study
Evidence of restrictive lung disease
Trial design
Single group
Treatments tested in this trial
Spirometry
Diagnostic testSpirometry measures lung function, specifically the amount and/or speed of air that can be inhaled and exhaled.
Contrast Lung Computed Tomography (CT) Scan
Diagnostic testCT scan of the lungs using contrast
Oxygen enhanced magnetic resonance imaging (OE-MRI) Scan
Diagnostic testMRI will be taken while subject is lying on their back breathing 100% oxygen.
129Xe MRI scans
DrugMRI will be taken while subject is lying on their back breathing room oxygen and taking a breath of 129Xe and holding it for a few seconds.
Treatment groups
Trial outcomes
Primary outcomes
Forced expiratory volume in 1 second (FEV1) Decline
Absolute decrease of FEV1 by 20%
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
Sean Fain
Lead sponsor
University of Iowa
Sponsor institution