Partial agonism and full efficacy. Pharmacological profile and clinical application of aripiprazole
Abstract
Aripiprazole has among other antipsychotic agents a unique receptor profile, which results in its therapeutic effect and tolerability. In a situation of excess dopamine the compound acts similarly to other antipsychotics, whereas in dopamine deficit it exhibits agonistic properties. Numerous studies have documented that aripiprazole is efficacious for schizophrenia and bipolar disorder treatment. In a dose dependent manner, it may be used in the acute phase of illness or in maintenance therapy. The partial D2 receptor agonism prevents the occurrence of dopaminergic deficit resulting in less common parkinsonism, hyperprolactinemia and up-regulation of dopamine receptors. Aripiprazole has no clinically significant influence on weight gain, cardio-vascular disorders or metabolic parameters. This article presents the therapeutic applications of aripiprazole with emphasis on its administration during acute psychosis and mania, its dose-dependent effect and profile of tolerability.
Keywords: aripiprazoleschizophreniabipolar disorder
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