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Amisulpride

Amisulpride, is an atypical antipsychotic used to treat psychosis in schizophrenia and episodes of mania in bipolar disorder. In Italy, it is also used as a treatment for dysthymia. More

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Description

Amisulpride, is an atypical antipsychotic used to treat psychosis in schizophrenia and episodes of mania in bipolar disorder. In Italy, it is also used as a treatment for dysthymia.

Generic Name

Amisulpride

Chemical names

Amisulpride, Deniban, Solian, Aminosultopride, Amisulpridum

Brand names

Amazeo-OD, Bipo-Life, Amgrace, Doxamil, Amide, Goldpride, Amigold, Maxpride, Amisant, Psyride, Amisulnix, Sizopride, Amisyt, Solaze, Zulpride, Sulpitac

IUPAC name

4-amino-5-(ethanesulfonyl)-N-[(1-ethylpyrrolidin-2-yl)methyl]-2-methoxybenzamide

Pharmacokinetics

  • Absorption: Bioavailability is 48% following oral administration.
  • Distribution: Protein binding about 16%.
  • Metabolism: Limited
  • Excretion: Mainly excreted unchanged in urine.

Actions

This drug selectively binds with dopamine D (2) and D (3) receptors in the limbic system. In low doses, amisulpride block presynaptic D (2)/D (3)-dopamine autoreceptors preferentially, thereby enhancing dopaminergic transmission, whereas in higher doses block postsynaptic receptors, inhibits the dopaminergic hyperactivity. Amisulpride also have 5-ht7 antagonistic effect, useful in depression treatment.

Dosage/Dosage form

Amisulpride tablets for oral use.50 mg, 100 mg, 200 mg, and 400 mg.

Therapeutic uses

Used to treat psychosis in schizophrenia and episodes of mania in bipolar disorder.

Adverse effects/Side effects

Weight gain, dizziness, postural hypotension, extrapyramidal symptoms and neuroleptic malignant syndrome. Hyperprolactinaemia, CNS effects, GI disorders and dry mouth.

Interaction

  • Metoclopramide may increase the risk of antipsychotic-induced extrapyramidal effects.
  • Guanethidine and other adrenergic neuron blockers, antiarrhythmics, antihistamines, antimalarials and cisapride, diuretics, general anaesthetics, hypnotics, anxiolytics and opioids.
  • Avoid alcohol.

Contraindications

Contraindicated in pregnancy and in lactation, in Pheochromocytoma, in Children <15 yr and in prolactin-dependent tumors contraindicated.

Storage

Store it at room temperature and in an air tight container.

Information

Molecular weight

369.479

Molecular formula

C17H27N3O4S

CAS number

71675-85-9

Precautions

Renal impairment, CV disease, history of epilepsy, Parkinson's disease. Withdraw gradually and closely monitored to avoid relapse.