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Objective: To improve poor medication adherence in schizophrenic patients, long-acting injectable (LAI) antipsychotics are used. However, it has not yet become common in Japan. Recently, aripiprazole LAI was approved for alternative injection into the deltoid muscle in addition to the gluteal muscle. The acceptance for the proposal to switch from gluteal to deltoid injections of aripiprazole LAI was investigated.
Methods: The subjects were 32 outpatients with schizophrenia who had continuously received aripiprazole LAI administration into the gluteal muscle for ≥ 6 months. In the patients who had continued deltoid injection for 3 months after switching, the changes in the pain and shame in comparison with gluteal injections were evaluated.
Results: Switching to the deltoid injection was chosen by 17 out of 32 patients. Three months later, 9 patients were still receiving deltoid injections with highly rated satisfaction. The main reasons for switching to deltoid injections included the pain and shame associated with gluteal injections. The main reason for returning to the gluteal injection was the pain experienced from the injection in the deltoid.
Results: The option to select the injected area was based on the amount of pain in the deltoid and gluteal sites, leading to the widespread use of aripiprazole LAI.
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http://dx.doi.org/10.9758/cpn.2020.18.1.49 | DOI Listing |
Diseases
August 2025
Inpatient Psychiatric Facility Service, College Medical Center, Long Beach, CA 90806, USA.
Aripiprazole is a third-generation antipsychotic, approved in 2002, notable for its partial agonism of the Dopamine D2 receptor and lower risk of metabolic and extrapyramidal adverse effects. It is available in a long-acting injectable formulation, which is very useful for maintaining medication compliance, which is crucial for preventing recurrent psychotic episodes in patients. Additionally, the aripiprazole long-acting injectable is frequently combined with other antipsychotic medications in acute settings to manage refractory symptoms.
View Article and Find Full Text PDFFront Psychiatry
August 2025
Laboratory of Alcohology, Department of Pathology, Medical School of Crete, University of Crete, Herakleion, Greece.
Importance: Aripiprazole, a partial D2 receptor agonist, is proposed to enhance prefrontal cortex (PFC) dopamine function, improving working memory and GABA transmission, which supports social functioning. Long-acting injectable (LAI) antipsychotics are known to improve patient adherence, leading to enhanced long-term effects on behavioral outcomes.
Objective: To evaluate whether aripiprazole LAI treatment improves general functioning, quality of life, and reduces hospitalizations in psychotic patients, both in community settings and within incarcerated populations.
Eur Psychiatry
August 2025
Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology, Division of Psychiatry I, Medical University Innsbruck, Innsbruck, Austria.
Background: This analysis evaluated potential differences in subjective well-being (SW) among patients with early-phase schizophrenia (SZ) randomized to treatment with either long-acting injectable (LAI) or oral aripiprazole or paliperidone within the "European Long-acting Antipsychotics in Schizophrenia Trial" (EULAST).
Methods: A total of 478 patients were followed for up to 19 months. SW was measured using the Subjective Well-being under Neuroleptic Treatment scale (SWN).
J Clin Psychiatry
August 2025
Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York.
Aripiprazole is a second-generation partial dopamine D₂ receptor agonist antipsychotic approved for the treatment of schizophrenia and maintenance treatment of bipolar I disorder. As the only partial dopamine D₂ receptor agonist available in both oral and long-acting injectable (LAI) formulations, it provides flexibility for tailoring treatment across different phases of the illness. Two LAI formulations of aripiprazole monohydrate are available: aripiprazole once-monthly 400 mg and aripiprazole 2-month ready-to-use 960 mg, offering options to accommodate patient needs and preferences and support adherence.
View Article and Find Full Text PDFExpert Opin Drug Metab Toxicol
August 2025
Department of Psychiatry and Behavioral Sciences, New York Medical College, New York, USA.
Introduction: Long-acting injectable (LAI) antipsychotics are often considered preferable to their oral counterparts for the long-term maintenance treatment of schizophrenia. One goal of LAI drug development is to extend the dose interval between injection visits. Aripiprazole Monohydrate (AM, Abilify Maintena®) was approved in 2013 as a monthly formulation, but a 2-month interval formulation (Ari2M, Abilify Asimtufii®) was approved by the FDA in 2023 for the treatment of schizophrenia in adults and maintenance monotherapy of Bipolar I disorder in adults, and by the EMA as Abilify Maintena® 960 mg in 2024 with the indication of maintenance treatment of schizophrenia in adult patients stabilized with oral aripiprazole.
View Article and Find Full Text PDF