Amisulpride

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Amisulpride
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Clinical data
Pregnancy
category
Routes of
administration
Oral, intramuscular[1]
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Pharmacokinetic data
Bioavailability48%[2]
Metabolism?
Elimination half-life12 h[2]
ExcretionRenal[2]
Identifiers
CAS Number
PubChem CID
DrugBank
E number{{#property:P628}}
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Chemical and physical data
FormulaC17H27N3O4S
Molar mass369.48 g/mol

Amisulpride (brand-name Solian) is an antipsychotic drug sold by Sanofi-Aventis. Amisulpride is a selective dopamine antagonist. It has a high affinity for D2 (Ki 2.8 nM) and D3 (Ki 3.2 nM) dopaminergic receptors. Its dosage ranges from 200 to 1200 mg/day. Lower doses (less than 50 mg) preferentially block d2 autoreceptors that control the synthesis and release of dopamine. This results in an increase in dopaminergic transmission. This dopamine increase is hypothesized to cause a reduction in both depressive and negative symptoms. Higher doses of the drug block the postsynaptic dopamine receptors resulting in an improvement in psychoses. Amisulpride is not approved by the Food and Drug Administration for use in the United States. Amisulpride (in 50mg doses) is marketed as a treatment for dysthymia in Italy (as Deniban) In one study, anxiety measured by HAM-A total mean score decreased significantly more with amisulpride 50mg/day (63%) than with fluoxetine 20mg/day (54%; P = 0.021).[3]

Side effects

Prolactin induction, nausea, weight gain, although much less than similar drugs in its class, and less commonly QT interval prolongation (which can lead to serious heart arrhythmias). Overdoses of amisulpride have been linked with torsades de pointes.[4]

See also

References

  1. 1.0 1.1 BIAM (2000) AMISULPRIDE, (HTML) Banque de Données Automatisée sur les Médicaments [online] Available from: http://www.biam2.org/www/Sub393.html Accessed on 25 November 2005. (French)
  2. 2.0 2.1 2.2 Rosenzweig P, Canal M, Patat A, Bergougnan L, Zieleniuk I, Bianchetti G. (2002). "A review of the pharmacokinetics, tolerability and pharmacodynamics of amisulpride in healthy volunteers". Human Psychopharmacology. 17 (1): 1–13. PMID 12404702.
  3. Smeraldi E (1998). "Amisulpride versus fluoxetine in patients with dysthymia or major depression in partial remission: a double-blind, comparative study". J Affect Disord. 48 (1): 47–56. PMID 9495601.
  4. Isbister G, Murray L, John S, Hackett L, Haider T, O'Mullane P, Gosselin S, Daly F (2006). "Amisulpride deliberate self-poisoning causing severe cardiac toxicity including QT prolongation and torsades de pointes". Med J Aust. 184 (7): 354–6. PMID 16584372. Free full text

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