The Role of HNKs in the Antidepressant Effect of Ketamine

The objective of the proposed study is to examine the relationship between serum concentrations of HNK and changes in the Hamilton Depression Rating Scale (HDRS), Beck Depression Inventory (BDI), and the Profile of Mood States (POMS), as well as glutamatergic/GABAergic response.

To achieve these aims the investigators propose a double-blind, uncontrolled (no placebo, no healthy control subjects) study with several different doses of ketamine. The investigators will conduct MRI scans to measure Glu and GABA before and during the ketamine treatment.

Topic Depression
Compound Placebo Ketamine
Country United States of America
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Trial Details



Trial Number

Sponsors & Collaborators

Columbia University
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Measures Used

Hamilton Depression Rating Scale
The Hamilton Depression Rating Scale (HDRS) is a multiple item questionnaire used to provide an indication of depression, and as a guide to evaluating recovery. The scale consists of 17 items which each item being scoring on a 3 or 5 point scale. The higher the score, the more likely a person is depressed.

Beck Depression Inventory
The Beck Depression Inventory (BDI) contains 21 self-report items, completed using a multiple-choice format. Scores range from 0-63 with higher scores associated with more severe depression.

Data attribution

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