Fluoxetine is a widely used antidepressant belonging to the selective serotonin reuptake inhibitor class; it is used in the treatment of major depression, obsessive compulsive, premenstrual dysphoric, panic and post-traumatic stress disorders. Fluoxetine is an optical active pharmaceutical substance, which is used as a racemate in therapy, but stereospecific interactions associated with the serotonin-reuptake carrier, for both the parent drug and its active metabolite, norfluoxetine, have been described in the literature. Therefore, the stereoselective analysis of fluoxetine and norfluoxetine is important in order to characterize the pharmacokinetic and pharmacodynamic profile of the analytes. Several chromatographic and electrophoretic methods have been published in the literature for the chiral discrimination of fluoxetine enantiomers from different matrices. The purpose of the current review is to provide a systematic survey of the analytical techniques used for the chiral determination of fluoxetine and norfluoxetine covering a period of ~25 years.
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