Abstract
To personalize pharmacotherapy with aripiprazole in patients with schizophrenia via therapeutic drug monitoring (TDM). TDM of aripiprazole (ARI) and its active metabolite dehydroaripiprazole (DHA) was performed for patients diagnosed with schizophrenia (ICD-10 F20.00; F20.01; F20.02). Thirty-six parameters were assessed. To carry out TDM, the method of high-performance liquid chromatography with mass spectrometry was chosen employing a validated method. TLM was performed in a group of young patients: 26.5±10.1 years old, average weight 77.2±16.2 kg, average PANSS score 81.4±21.4, UKU score 14.5±3.9. An average ARI concentration was 18.4±7.9 mg, serum ARI concentration 417.9±362.4 ng/ml, serum DHA concentration 117.5±116.1 ng/ml and the total concentration 535.4±478.5 ng/ml. Equations of correlation dependences of concentration on dose are obtained for ARI and DHA. The results show the significant metabolism of ARI. A combined determination of the main substance and its active metabolite DHA in the patient's blood serum is advisable for correct assessment of the TLM result in patients with mental diseases.
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