University of Wisconsin, Madison
The goal of this clinical trial is to learn about how asthma influences brain function. The main questions it aims to answer are: * How airway inflammation in asthma affects the brain; and, * Whether airway inflammation in asthma is related to symptoms of depression and anxiety Over the course of 3 visits, participants will: * Complete questionnaires * Complete computer tasks * Undergo allergy skin test and breathing tests * Give two blood samples * Give a sputum sample * Complete brain imaging scans Researchers will compare results between participants with asthma, and participants who do not have asthma.
Inclusion Criteria: * Ability to understand and the willingness to sign a written informed consent document * Individuals with no health concerns that might affect the outcome of the study * Age 18-75 years of age * Ability to tolerate a simulated MRI brain scanning session * In the opinion of the investigator, capable and willing to grant written informed consent and cooperate with study procedures and requirements * High-affinity TSPO-binding genotype. Mixed (high/low) binding-affinity genotype may be included at PIs discretion * For participants with severe asthma: * Physician diagnosis…
PET/MRI scans with \[18F\]FEPPA radiotracer selective for translocator protein (TSPO) binding, which is elevated in activated microglia
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