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Combination treatment with risperidone long-acting injection and psychoeducational approaches for preventing relapse in schizophrenia

Authors Zhao Y, Kishi T, Iwata N, Ikeda M

Received 31 July 2013

Accepted for publication 22 August 2013

Published 29 October 2013 Volume 2013:9 Pages 1655—1659

DOI https://doi.org/10.2147/NDT.S52317

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Yueren Zhao,1–3 Taro Kishi,1 Nakao Iwata,1 Manabu Ikeda3,4

1Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan; 2Department of Psychiatry, Okehazama Hospital Fujita Kokoro Care Center, Toyoake, Aichi, Japan; 3Department of Neuropsychiatry, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Kumamoto, Japan; 4Department of Neuropsychiatry, Faculty of Life Sciences, Kumamoto University, Kumamoto, Kumamoto, Japan

Abstract: A recent meta-analysis showed that long-acting injectable (LAI) antipsychotics were not superior to oral antipsychotics for preventing relapse in patients with schizophrenia. We therefore designed a treatment strategy combining risperidone LAI and COMPASS (COMprehensive Psycho-educational Approach and Scheme Set), an original psychoeducational program supporting treatment with risperidone LAI and evaluating subjective treatment satisfaction, transition of symptoms, and effectiveness in preventing symptomatic relapse. The aim of this study was to examine whether addition of COMPASS to risperidone LAI was more effective in preventing relapse in schizophrenia patients than risperidone LAI alone, with the latter group consisting of patients enrolled in a Phase III trial of risperidone LAI in Japan. Patients were followed up for 6 months, with COMPASS continuously implemented from the transition to the observation phase. The primary efficacy measurements were relapse rate (rates of rehospitalization and discontinuation due to inefficacy). Secondary efficacy measurements were the Brief Psychiatric Rating Scale (BPRS) and Global Assessment of Functioning (GAF) scores. Of the 96 patients originally enrolled, 19 (19.8%) were discontinued from all causes. During the 6-month study period, ten of the 96 patients (10.4%) relapsed, compared with a 12.2% relapse rate in patients enrolled in a Phase III trial of risperidone LAI in Japan. Patients showed significant improvements in BPRS total scores (P = 0.0031), BPRS positive (P = 0.0451), BRPS negative (P < 0.0001), and general subscale scores (P = 0.0031), and GAF (P < 0.0001) from baseline to 6 months. In conclusion, the lower relapse rate observed in patients treated with COMPASS plus risperidone LAI than in patients treated with risperidone LAI alone suggests that COMPASS may have benefits in the treatment of schizophrenia, indicating a need for randomized, controlled trials in larger numbers of patients.

Keywords: adherence, risperidone long-acting injection, psychoeducation, schizophrenia

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