25 November 2022 World Ketamine Helps Change Thinking Patterns In People With Treatment-Resistant Depression Ketamine's effect is fast and sustained, and could be used to reset cognitive mechanisms in people suffering from treatment-resistant depression.
8 March 2019 World Ketamine-Related Drug Touted ‘Watershed’ Treatment For Depression Esketamine is believed to be the first in a class of rapid acting depression treatments, whose effects would be felt in hours or days, compared to weeks for traditional antidepressants.