The purpose of this study is to determine the efficacy of the use of intravenous low-dose ketamine (0.5 mg/kg) in the treatment of treatment-resistant depression (TRD), as well as the changes in Glutamate neurotransmission measured by Magnetic Resonance Imaging Spectroscopy and inflammatory serum markers (IL-6, TNF-alpha).
The purpose of this study is to determine the efficacy of the use of intravenous low-dose ketamine in the treatment of treatment-resistant depression (TRD), as well as the changes in Glutamate neurotransmission and inflammatory serum markers.