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Esketamine, sold under the brand names Spravato (for depression) and Ketanest (for anesthesia) among others, [10] [12] is the S(+) enantiomer of ketamine. [5] [13] It is a dissociative hallucinogen drug used as a general anesthetic and as an antidepressant for treatment of depression.
After the publication of the NIH-run antidepressant clinical trial, clinics began opening in which the intravenous ketamine is given for depression. [5] [6] This practice is an off label use of IV ketamine in the United States, though the intranasal version of esketamine has been approved by the FDA for treatment of depression [5] [7] In 2015 there were about 60 such clinics in the US; the ...
The more active enantiomer, esketamine (S-ketamine), is also available for medical use under the brand name Ketanest S, [135] while the less active enantiomer, arketamine (R-ketamine), has never been marketed as an enantiopure drug for clinical use. While S-ketamine is more effective as an analgesic and anesthetic through NMDA receptor ...
(The FDA approved a related drug, esketamine, sold as Spravato, ... “Ketamine is such a different type of treatment than traditional treatments, not just for depression, ...
A slightly different version of ketamine, called esketamine or Spravato, was approved by the FDA in 2019 for treatment-resistant depression. Esketamine is given as a nasal spray and must be ...
The researchers on the new study say that infusions of racemic ketamine (which uses two forms of ketamine molecules, in contrast with esketamine’s single form) are cheaper than esketamine and ...
Esketamine is a more potent form of ketamine, an anesthetic that doctors have used for many years to treat depression. The nasal spray, from Janssen Pharmaceuticals, ...
Unlike esketamine, (S)-norketamine does not appear to significantly impact prepulse inhibition (reduction of the startle reflex) and as such appears to have significantly fewer psychotomimetic effects - which may indicate that it could be a safer alternative to ketamine for use as an antidepressant in humans.