Adjunctive treatment with aripiprazole for risperidone-induced hyperprolactinemia

Neuropsychiatric Disease and Treatment
Fatemeh RanjbarMostafa Farahbakhsh

Abstract

Antipsychotics have been used for more than 50 years in the treatment of schizophrenia and many other psychiatric disorders. Prolactin levels usually increase in patients treated with risperidone. Aripiprazole, which has a unique effect as an antipsychotic, is a D2 receptor partial agonist. It is an atypical antipsychotic with limited extrapyramidal symptoms. Since it acts as an antagonist in hyperdopaminergic conditions and as an agonist in hypodopaminergic conditions, it does not have adverse effects on serum prolactin levels. The present study aimed to investigate the effect of aripiprazole on risperidone-induced hyperprolactinemia. This before-and-after clinical trial was performed in 30 patients. Baseline prolactin levels were measured in all patients who were candidates for treatment with risperidone. In subjects with elevated serum prolactin, aripiprazole was added to their treatment. Serum prolactin levels were measured during the first week, second week, and monthly thereafter for at least 3 months or until prolactin levels became normal. The data were analyzed using Stata version 11 software. Survival analysis and McNemar's test were also performed. The mean age of the participants was 30.8 years. Prolactin levels nor...Continue Reading

Citations

Mar 9, 2019·International Journal of Psychiatry in Clinical Practice·José María Bonete LlácerBegoña Richart Albelda

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