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This is a single center, single arm exploratory imaging study involving up to two intravenous microdoses of [18F]F-AraG (the second tracer dose is optional) followed by whole-body PET-CT imaging in participants with convalescent COVID-19. Up to 20 participants will be enrolled over an accrual period of approximately 24 months. Each participant will undergo one PET-CT scan following 50 +/- 10 minutes uptake following a single bolus injection of [18F]F-AraG in order to determine the tissue distribution of tracer in pariticpants with recent SARS-CoV-2 infection. A second optional [18F]F-AraG dose and PET-CT will be offered approximately 4 months following the initial imaging time point.
Full description
This is a single center exploratory imaging study involving up to two intravenous microdoses of [18F]F-AraG (the second tracer dose is optional) followed by whole-body PET-CT imaging in participants 18 years of age and older with recent SARS-CoV-2 diagnosis and COVID-19 at least 14 days following onset of symptoms. The primary objective is to determine the anatomical distribution of [18F]F-AraG in participant with convalescent COVID-19 approximately 4 weeks and 5 months (optional, 4 months following first PET imaging visit) following onset of symptoms (N = 20). Tracer activity will also be compared with sex and age-matched uninfected historical control participants enrolled in prior studies. Up to 20 participants will be enrolled in this study who will be identified in the UCSF LIINC longitudinal COVID-19 cohort study. Each participant will undergo one PET-CT scan following 50 +/- 10 minutes uptake following a single bolus injection of [18F]F-AraG. A second optional [18F]F-AraG dose and PET-CT will be offered approximately 4 months following the initial imaging time point.
Enrollment
Sex
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Volunteers
Inclusion criteria
Age >18 years
Ability to read and understand written informed consent document
Have a recent diagnosis of SARS-CoV-2 infection as defined by a prior positive SARS-CoV-2 nucleic acid-based diagnostic test performed in a clinical laboratory on one or more nasopharyngeal or respiratory secretion samples.
> 14 days since onset of COVID-19 symptoms (or if no symptoms, from time of initial nucleic acid based diagnostic test).
Laboratory evaluations obtained within 60 days prior to entry.
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
20 participants in 1 patient group
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Central trial contact
Timothy Henrich, MD; Leo Torres
Data sourced from clinicaltrials.gov
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