Major Depressive Disorder Clinical Trial
Official title:
Presynaptic Imaging in Major Depressive Episodes After COVID-19
The goal of this observational study focuses on understanding and addressing a subset of persistent neuropsychiatric symptoms occurring within 3 months after mild to moderate COVID-19 infection (COVID-DNP). COVID-DNP encompasses major depressive episodes (MDE) with or without additional neuropsychiatric symptoms.
Participants will undergo two positron emission tomography (PET) scans, one [11C]DTBZ scan (for vesicular monoamine transporter 2 (VMAT2) and one [18F]SDM8 scan (for synaptic vesicle glycoprotein 2A (SV2A)), as well as one magnetic resonance imaging (MRI) scan. The main question[s] it aims to answer are: 1. The investigators will determine if VMAT2 binding potential (VMAT2 BPND) is reduced in ventral striatum and dorsal putamen in COVID-DNP. 2. The investigators will determine if SV2A total distribution volume (SV2A VT) is reduced in ventral striatum and dorsal putamen in COVID-DNP ;
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