Abstract
Traditional antidepressant medications generally take weeks-to-months to achieve effect. However, the breakthrough finding of ketamine's rapidly acting antidepressant properties has inspired a decade-and-a-half of progress towards the identification of treatments that work quickly-within hours-to-days. This paradigm-shift in the discovery of antidepressant therapies has significantly changed the current landscape of antidepressant drug development. Building on this, the current review briefly highlights the recent trends in research towards identifying rapidly-acting antidepressants. Specifically, ketamine, GLYX-13, nitrous oxide, metabotropic glutamatergic receptor modulators, scopolamine, opioid-receptor modulators, and low field magnetic stimulation are discussed.
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