Retrospective Analysis of the Effectiveness and Tolerability of Long-Acting Paliperidone Palmitate Antipsychotic in Adolescent First-Episode Schizophrenia Patients.

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Retrospective Analysis of the Effectiveness and Tolerability of Long-Acting Paliperidone Palmitate Antipsychotic in Adolescent First-Episode Schizophrenia Patients.

J Child Adolesc Psychopharmacol. 2019 Feb 13;:

Authors: Petrić D, Rački V, Gačo N, Kaštelan A, Graovac M

Abstract
OBJECTIVE: The aim of this study was to explore the effectiveness and tolerability of long-acting paliperidone palmitate antipsychotic in adolescent first-episode schizophrenia patients while comparing the results with the oral antipsychotic risperidone.
METHODS: This study is a retrospective, noninterventional study to assess the effectiveness and tolerability of long-acting injectable antipsychotic paliperidone palmitate in first-episode adolescent patients during the first 12 months of treatment compared with the oral antipsychotic risperidone. The data include general sociodemographic characteristics, number of hospitalizations, side effects, and the following clinical scales: Positive and Negative Syndrome Scale (PANSS), Personal and Social Performance Scale (PSP), Clinical Global Impression Improvement and Severity (CGI-I and CGI-S), and Treatment Satisfaction Questionnaire for Medication (TSQM).
RESULTS: During the 12-month study period significant improvement was registered in patients receiving both paliperidone palmitate and risperidone in the following scales: PANSS, PSP, CGI-I, and CGI-S. Patients receiving paliperidone palmitate had significantly greater improvement in PANSS, CGI-S, and PSP compared with the risperidone group. Patients receiving risperidone had significantly higher number of hospitalizations than the patients receiving paliperidone palmitate. The TSQM revealed that the patients who were receiving paliperidone palmitate achieved significantly higher scores on the convenience scale, global satisfaction, and on the overall result, whereas no difference was observed on the effectiveness scale. There were several side effects reported for paliperidone (5.5% hyperprolactinemia, 5.5% weight gain) and risperidone (5.5% hyperprolactinemia, 16.7% weight gain).
CONCLUSIONS: In conclusion, paliperidone palmitate seems to be safe and effective in adolescent patients. Furthermore, it compared favorably with risperidone in the clinical response, side effects, and hospitalizations.

PMID: 30758986 [PubMed - as supplied by publisher]