Amisulpride versus amineptine and
placebo for the treatment of dysthymia

Boyer P, Lecrubier Y, Stalla-Bourdillon A, Fleurot O
Unite INSERM 302,
Hopital Salpetriere, Paris, France.
Neuropsychobiology 1999; 39(1):25-32


Amisulpride, a selective antagonist for D2 and D3 dopamine receptors, acts preferentially on presynaptic receptors increasing dopaminergic transmission at low doses. In a multicentre, 3-month, placebo-controlled study, amisulpride (50 mg/day) was compared to amineptine (200 mg/day) in the treatment of primary dysthymia. A total of 323 patients were enrolled. Amisulpride and amineptine were found to be statistically superior to placebo (p < 0.0001) on the Clinical Global Impression (item 2): 63, 64 and 33% responders, respectively; improvement of Montgomery-Asberg Depression Rating Scale and Scale for the Assessment of Negative Symptoms scores following amisulpride or amineptine treatment was twice as high as with placebo (p < 0.0001). The adverse event profile of amisulpride was similar to that of placebo except for endocrine symptoms in female patients; amineptine showed mainly events linked to psychic activation (insomnia, nervousness). Results show that amisulpride can improve symptoms of chronic depression in dysthymia.
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