That's only for one of the isomers of ketamine (rather than the mixture of two used in ketamine clinics), and only for using a nasal spray. That is because the

That's only for one of the isomers of ketamine (rather than the mixture of two used in ketamine clinics), and only for using a nasal spray. That is because the drug company has a patent for using that specific isomer in a nasal spray. None of the esketamine research can be used as evidence for regular (off patent) ketamine. It will need it's own studies. https://qz.com/1889308/why-isnt-ketamine-approved-as-an-antidepressant/ https://qz.com/1889308/why-isnt-ketamine-approved-as-an-anti...