Hydroxydione
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Hydroxydione, as hydroxydione sodium succinate (, , ) (brand names Viadril, Predion, and Presuren), also known as 21-Hydroxy-5β-pregnane-3,20-dione, is a neuroactive steroid which was formerly used as a
general anesthetic General anaesthetics (or anesthetics, see spelling differences) are often defined as compounds that induce a loss of consciousness in humans or loss of righting reflex in animals. Clinical definitions are also extended to include an induced coma ...
, but was discontinued due to incidence of
thrombophlebitis Thrombophlebitis is a phlebitis (inflammation of a vein) related to a thrombus (blood clot). When it occurs repeatedly in different locations, it is known as thrombophlebitis migrans ( migratory thrombophlebitis). Signs and symptoms The following ...
in patients. It was introduced in 1957, and was the first neuroactive steroid general anesthetic to be introduced for clinical use, an event which was shortly preceded by the observation in 1954 of the sedative properties of progesterone in mice.


Chemistry

Related compounds include alfadolone, alfaxolone,
dihydrodeoxycorticosterone 5α-Dihydrodeoxycorticosterone (abbreviated as DHDOC), also known as 21-hydroxy-5α-pregnan-20-one, is an endogenous progestogen and neurosteroid. It is synthesized from the adrenal hormone deoxycorticosterone (DOC) by the enzyme 5α-reducta ...
,
ganaxolone Ganaxolone, sold under the brand name Ztalmy, is a medication used to treat seizures in people with cyclin-dependent kinase-like 5 (CDKL5) deficiency disorder (CDD). Ganaxolone was approved for medical use in the United States in March 2022. ...
, minaxolone, pregnanolone, and
renanolone Renanolone ( INN), or 11-ketopregnanolone, also known as 5β-pregnan-3α-ol-11,20-dione, is a synthetic neuroactive steroid which is described as a general anesthetic but was never introduced for clinical use. Its isomers, alfaxolone and alfadolon ...
.


References

{{GABAA receptor positive modulators 5β-Pregnanes Primary alcohols Diketones GABAA receptor positive allosteric modulators General anesthetics Neurosteroids