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Would an 'anti-ketamine' also treat depression?

Yes, says a new study. Thirteen years ago, an article first reported that the anesthetic medication, ketamine, showed evidence of producing rapid antidepressant effects in depressed patients who had not responded to prior treatments. Now, a new study reports that enhancing, instead of blocking, that same target ? the NMDA glutamate receptor ? also causes antidepressant-like effects.
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