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Title: Milnacipran and selective serotonin reuptake inhibitors in major depression. Author: Lopez-Ibor J, Guelfi JD, Pletan Y, Tournoux A, Prost JF. Journal: Int Clin Psychopharmacol; 1996 Sep; 11 Suppl 4():41-6. PubMed ID: 8923126. Abstract: In drug development the move from tricyclic antidepressants (TCAs) to selective serotonin reuptake inhibitors (SSRIs) involved not only the loss of the direct receptor interactions responsible for the adverse side effects of TCAs, but also the ability to inhibit the reuptake of noradrenaline. Selectivity for the single neurotransmitter, serotonin, may explain why SSRIs tend to be less efficacious than the TCAs, especially in more serious forms of depression. The advent of selective serotonin and noradrenaline reuptake inhibitors (SNRIs) has tended to confirm the idea that an action on both monoamine systems is important for maximal antidepressant efficacy. This paper reviews clinical trials comparing the new SNRI milnacipran with the SSRIs fluoxetine and fluvoxamine. A meta-analysis of the principal trials shows greater response rates (the proportion of patients with a decrease in symptom scores of 50% or more) with milnacipran (50 mg twice a day) than with fluoxetine (20 mg once a day), or fluvoxamine (100 mg twice a day) (milnacipran: 64%; SSRIs: 50%). Remission rates (the proportion of patients with Hamilton Depression Rating Scores of 7 or below) were also higher with milnacipran than with SSRIs (39 versus 28%). In one study, in which 100 mg milnacipran was given once a day in the evening, the higher response rate obtained with fluoxetine appears to be largely attributable to an inappropriate milnacipran dosage regimen. Data from a pharmacovigilance database including all patients participating in clinical trials with milnacipran (n = 5732) showed that, compared with the SSRIs, milnacipran produced fewer gastrointestinal side effects, such as nausea, and less anxiety. Milnacipran was, however, associated with a higher incidence of headache, dry mouth and dysuria. The results of these studies suggest that milnacipran is superior in efficacy to SSRIs and is equally well tolerated. Milnacipran, therefore, appears to offer a therapeutic advantage over the SSRIs.[Abstract] [Full Text] [Related] [New Search]