Radiation Injury Clinical Trial
Official title:
Longitudinal MR Imaging of Pulmonary Function in Patients Receiving Thoracic Radiation Treatment
The purpose of this study is to determine whether magnetic resonance imaging (MRI) using inhaled hyper polarized xenon-129 (129Xe) gas, and conventional contrast can help visualize impaired lung function and detect changes over time in patients receiving treatment as well as those who don't. 129Xe is a special type of xenon gas and when inhaled during MRI may be able to show areas of abnormal thickening of parts of the lungs. These images combined with images taken with injected contrast agents or other special types of MRI such as conventional proton (1H) MRI may provide a better way to look at lung structure and function. The ultimate goal is to predict the degree of radiation-induced lung injury that will develop in a given patient for a given treatment plan. The investigators anticipate that these images will provide more specific information about lung disease than standard lung function tests. The use of 129Xe MRI is investigational. Investigational means that these tests have not yet been approved by the US Food and Drug Administration and are only available in research studies like this one. In addition, standard MRI with contrast is not typically done as standard of care for monitoring changes due to thoracic radiation therapy, therefore, its use in this study is also considered investigational. Healthy volunteers are being asked to participate in this study because to develop a database of functional images that are representative of healthy lungs.
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