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Real-World Effectiveness of Long-Acting Injectable and Oral Antipsychotic Agents in US Medicare Patients with Schizophrenia.
Adv Ther
January 2025
Division of General Internal Medicine, University of Pennsylvania, Philadelphia, PA, USA.
Introduction: Daily oral antipsychotics (OAPs) are the mainstay of schizophrenia treatment; however, long-acting injectable antipsychotics (LAIs) are associated with better treatment adherence and improved outcomes.
Methods: This study assessed the real-world comparative effectiveness of LAIs and daily OAPs using claims data from a nationally representative sample of fee-for-service Medicare beneficiaries with schizophrenia. Antipsychotic discontinuation, psychiatric hospitalization, and treatment failure were compared relative to different reference groups using within-individual Cox regression models.
A case report of exacerbation of extrapyramidal symptoms following the switch from risperidone to paliperidone during valproate therapy.
BMC Psychiatry
January 2025
Department of Psychiatry, Yokohama City University School of Medicine, 3-9 Fukuura, Kanazawa-Ku, Yokohama, Kanagawa, 236-0004, Japan.
Background: Paliperidone is a second-generation antipsychotic and the main active metabolite of risperidone, formulated to provide consistent therapeutic effects through an extended-release system, designed to provide consistent therapeutic effects through an extended-release formulation. While commonly used in clinical practice, switching from risperidone to paliperidone, particularly during valproate therapy, can pose challenges due to potential pharmacokinetic interactions that may increase the risk of extrapyramidal symptoms (EPS). Despite clinical observations suggesting these interactions, case reports documenting such adverse effects are scarce.
View Article and Find Full Text PDFLong-Acting Injectable Antipsychotics in Adolescents with Bipolar Disorder.
J Child Adolesc Psychopharmacol
January 2025
Director of Co-Founder and Founder of Schizophrenia Society, University of Cincinnati, Cincinnati, Ohio, USA.
Bipolar disorder often begins in adolescence or early adulthood, characterized by recurrent manic episodes that can lead to neurodegenerative brain changes and functional decline. While several oral second-generation antipsychotics are Food and Drug Administration (FDA)-approved for mania, adherence to maintenance treatment is frequently poor due to factors such as anosognosia, cognitive dysfunction, impulsivity, side effects aversion, and substance use. Long-acting injectable (LAI) antipsychotics, approved for adults with bipolar mania or schizoaffective disorder (bipolar type), offer a potential solution for adolescents with similar conditions.
View Article and Find Full Text PDFBackground: This scoping review focuses on the occurrence of tachyphylaxis, defined as reduced responsiveness upon reinitiating a previously effective medication. This phenomenon is previously documented in antidepressants and mood stabilizers.
Aim: To explore the frequency, treatment strategies, and predictability of tachyphylaxis across all psychotropic medications.
Effectiveness of Paliperidone Palmitate on Treatment Adherence and Relapse in the Adult Schizophrenia Population: A One-Year Mirror-Image Study in a Colombian Mental Health Care Facility.
Rev Colomb Psiquiatr (Engl Ed)
December 2024
YolaRX Consultants, Montreal, Quebec, Canada; Rutgers, The State University of New Jersey, New Brunswick, New Jersey, United States of America. Electronic address:
Introduction: The benefits of long-acting injectable antipsychotics have been documented in several observational studies, but data remain scarce in Latin America. This study aimed at evaluating the effectiveness of paliperidone palmitate once monthly (PP1M) on treatment adherence and relapse in the schizophrenia population followed in a government-funded mental health care facility in Colombia.
Methods: A mirror-image study was conducted.
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