Viloxazine (Vivalan, Emovit, Vivarint, Vicilan) is a bicyclic antidepressantmorpholine derivative that acts as a selective norepinephrine reuptake inhibitor (NRI). It is a racemic compound with two stereoisomers, the (S)-(–)-isomer being five times as pharmacologically active as the (R)-(+)-isomer.

Viloxazine hydrochloride was approved in Italy, Belgium, the United States, England, Ireland, Germany, Portugal, Spain, the former Yugoslavia, France, Slovakia, for the treatment of clinical depression.

Viloxazine has undergone two randomized controlled trials for nocturnal enuresis (bedwetting) in children, both of those times versus imipramine., By 1990, it was seen as a less cardiotoxic alternative to imipramine, and to be especially effective in heavy sleepers.

In narcolepsy, viloxazine has been shown to suppress auxiliary symptoms such as cataplexy and also abnormal sleep-onset REM without really improving daytime somnolence.

In a cross-over trial (56 participants) viloxazine significantly reduced EDS and cataplexy. {ref Vignatelli L, D'Alessandro R, Candelise L. Antidepressant drugs for narcolepsy. Cochrane Database of Systematic Reviews 2007, Issue 4. Art. No.: CD003724. doi:10.1002/14651858.CD003724.pub3}




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