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Regional Monitoring of CF Lung Disease
Sponsor: Children's Hospital Medical Center, Cincinnati
Summary
The main reason for this research study is to learn more about some new tests that are being developing for patients with Cystic Fibrosis (CF) to measure changes in the lungs. In this study, the focus will be to learn how stopping Airway Clearance (ACT) and re-starting ACT can affect these tests. These new tests include using a breathable gas called Xenon (Xe) with MRI (magnetic resonance imaging) to improve the pictures of changes in the lungs. The Xenon (Xe) gas that has been treated to have a larger MRI signal (also called hyperpolarized). The other new test is called LCI (Lung Clearance Index) that can measure how well the lungs are working. The MRI machine used in this study has been approved by the U.S. Food and Drug Administration (FDA) and is commercially available for sale in the USA. Hyperpolarized Xe gas is an FDA-approved, inhaled contrast agent for lung ventilation MRI. The new Xe MRI techniques that are being developed and used for this research study are investigational, meaning these new Xe MRI techniques are not FDA approved, but they are similar to FDA-approved techniques that are used clinically at Cincinnati Children's Hospital Medical Center (CCHMC). Xe gas and the new MRI techniques used in this research study have been used for many years in research, including in many research studies conducted at CCHMC like this one.
Official title: Regional Monitoring of CF Lung Disease After Changes in Mechanical Airway-clearance Treatment
Key Details
Gender
All
Age Range
12 Years - 21 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2024-01-05
Completion Date
2028-01
Last Updated
2026-01-14
Healthy Volunteers
No
Conditions
Interventions
Airway-clearance vest
Airway clearance devices will be re-initiated for those who have self withdrawn and will be withdrawn temporarily for those who are using them regularly and have high FEV1 and low Xe MRI ventilation defects.
Hyperpolarized Xe129
Hyperpolarized Xe MRI is FDA Approved for evaluation of ventilation in adults and children 12 and above and will be used as a diagnostic test here. Earlier studies using Xe MRI have shown its efficacy in exploring CF and other lung diseases in pediatric and adult populations, and it has been found to be much more sensitive to early lung disease than traditional metrics like spirometry and MBW.
Locations (1)
Cincinnati Children's Hospital
Cincinnati, Ohio, United States