ArticleTherapeutic advances in psychopharmacology2022
Dose-response analysis of aripiprazole in patients with schizophrenia in Taiwan.
Article in Therapeutic advances in psychopharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Therapeutic Drug Monitoring in Psychiatry: Enhancing Treatment Precision and Patient Outcomes.Pharmaceuticals (Basel, Switzerland) · 2024Review
- Extrapyramidal Syndrome due to Aripiprazole Overdose in a Young Woman: An Unusual Case Report.Case reports in medicine · 2024Article
- Differences in autonomic nervous system activity between long-acting injectable aripiprazole and oral aripiprazole in schizophrenia.BMC psychiatry · 2023Article
- Current Status of Therapeutic Drug Monitoring in Mental Health Treatment: A Review.Pharmaceutics · 2022Review
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Aripiprazole is a third-generation antipsychotic agent with acceptable efficacy and a good safety profile. Previous studies have indicated the therapeutic serum concentration of aripiprazole to be 100 to 350 ng/ml; however, most of these studies examined a Western population. Patients with schizophrenia from Tungs' Taichung MetroHarbor Hospital in central Taiwan were recruited to analyze the dose-response relationship of aripiprazole in the Chinese population. Objective: We aimed to investigate whether a serum concentration of aripiprazole higher than the current suggested range leads to higher response rates. Design: A prospective cohort study was designed to investigate the response rates in different studied cohorts grouped by serum concentration of aripiprazole. Data Sources and Methods: Data of 64 patients who presented to a single medical center in central Taiwan and who received therapeutic drug monitoring (TDM) were obtained. Serum concentrations of aripiprazole were correlated with the clinical response of patients by using the Clinical Global Impressions (CGI) scores. Results: The mean concentration of aripiprazole was 432.1 ± 275.1 ng/ml in the study cohort. Among the much-improved patients, the mean serum concentration of aripiprazole was 494 ± 273 ng/ml (25th-75th percentiles 264-666 ng/ml), which was higher than the current recommended therapeutic target of 100-350 ng/ml for aripiprazole. The response rate in the severe group (baseline CGI score of 6 or 7) was significantly higher than in the moderate group (baseline CGI score of 4 or 5; 86.7% Conclusion: A significantly higher response rate was observed in the study cohort with serum aripiprazole concentrations over 300 ng/ml. Therefore, dosing higher than the current recommended range may potentially improve the treatment efficacy in the Chinese population. Because the serum concentration varies among patients due to multiple intrinsic and extrinsic factors, TDM, especially in outpatients, is recommended if the clinical response is limited.
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