Major Depressive Disorder Clinical Trial
Official title:
Sustained Mood Improvement With Laughing Gas Exposure: A Randomized Controlled Pilot Trial - Sub-Study Protocol to Include Neuroimaging
This is a pilot sub-study of an ongoing trial comparing N2O to midazolam in MDD and will examine neuroimaging correlates of treatment response.
Magnetic resonance imaging (MRI) scans of MDD-affected brains have revealed changes in structural and functional connectivity compared to healthy subjects. This pilot sub-study examines structural and functional connectivity associated with MDD-affected patient participants' responsiveness to N2O compared to the midazolam placebo, which induces similar sedative effects. The investigators intend to address the changes in brain functional activity and connectivity between baseline and after a four-week intervention course involving weekly nitrous oxide inhalations measured by MRI. ;
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