Hyperpolarized 129Xe MRI for Imaging Pulmonary Function

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorBastiaan Driehuys

About this trial

The purpose of this study is to develop and evaluate the usefulness of MRI using 129Xe gas for regional assessment of pulmonary function. Specifically, three forms of 129Xe MRI contrast will be the investigators focus - 1) imaging of the 129Xe ventilation distribution, 2) imaging the alveolar microstructure via the 129Xe apparent diffusion coefficient (ADC), and 3) imaging 129Xe that dissolves in the pulmonary blood and tissues upon inhalation. Such imaging of 129Xe gas transfer is expected to be uniquely sensitive to pathologies affecting gas exchange (fibrosis, emphysema, pulmonary hypertension) and provide new insights regarding the normal resting heterogeneity of pulmonary gas exchange.

Eligibility criteria

Qualifiers

Subject has no diagnosed pulmonary conditions

Subject has not smoked in the previous 5 years.

Smoking history, if any, is less than or equal to 5 pack-years.

Subject has a diagnosis of pulmonary dysfunction made by a physician

Disqualifiers

Subject is less than 18 years old

MRI is contraindicated based on responses to MRI screening questionaire

Subject is pregnant or lactating

Respiratory illness of a bacterial or viral etiology within 30 days of MRI

Trial design

Treatments tested in this trial

  • Hyperpolarized 129Xenon Gas

Treatment groups

No treatment groups listed

Sponsors and collaborators

Bastiaan Driehuys

Lead sponsor

Duke University

Sponsor institution