At a glance
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SPECT Brain Imaging as a Bio-Marker of Major Depression
In Brief
A Phase 3 clinical trial evaluating S-citalopram, Cognitive behavioral therapy (CBT), and 1 other intervention for Depression. Completed, enrolled 66 participants across 1 site.
Detailed Summary
This study will examine changes in brain dopamine transporter activity before and after antidepressant therapy.
Study Details
Timeline
Interventions
Participants will take 10 to 30 mg of s-citalopram daily for 12 weeks.
Participants will attend twice weekly CBT sessions for 2 weeks and then once weekly sessions for 10 weeks. Sessions will focus on modifying thoughts and behaviors that may contribute to depression.
Participants' striatal dopamine transporter (DAT) levels will be measured using \[99mTc\]TRODAT-1 SPECT with magnetic resonance imaging (MRI) co-localization on two separate occasions. Participants with depression will undergo TRODAT-1 SPECT imaging immediately before and after 12 weeks of their assigned treatment. Healthy participants will undergo TRODAT-1 SPECT imaging at baseline and 12 weeks later.