Washington University School of Medicine
The purpose of this research study is to determine the safety of a radiotracer 18F-Fluselenamyl using positron emission tomography (PET) imaging.
The investigators will first complete whole-body PET dosimetry studies in healthy adult normal volunteers to calculate the actual radiation dose of each human organ and determine the allowable dose for a human subject when receiving a single dose for a PET scan. Second, imaging of the brain and neck will be completed in a wide range of ages of healthy adult normal control participants and participants with mild cognitive impairment, both male and females to characterize 18F-Fluselenamyl uptake in the brain, its binding to beta-amyloid plaques, and radiolabeled metabolite will be completed. Am…
Inclusion Criteria: * Male or Female, any race * Age ≥ 18 years * Healthy volunteers or volunteers with Alzheimer's disease Exclusion Criteria: * Has hypersensitivity to 18F-Fluselenamyl or any of its excipients ; * Has hypersensitivity to 11C-PIB or any of its excipients ; * Incapable of providing written informed consent or lacking a legally authorized representative (LAR) to provide informed consent ; * Unwilling or unable to undergo PET scans tracer injections ; * Unwilling or unable to undergo MRI (Aim 2 and Aim 3) * Any condition that, in the Investigator's opinion, could increase the…
Participants will receive a single intravenous bolus injection of 10 mCi ± 20% of the investigational radiotracer 18F-Fluselenamyl and will undergo an 18F-Fluselenamyl PET/CT scan of the head and neck.
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