Clin Psychopharmacol Neurosci.
2018 Nov;16(4):361-375. 10.9758/cpn.2018.16.4.361.
Comparative Efficacy and Safety of Long-acting Injectable and Oral Second-generation Antipsychotics for the Treatment of Schizophrenia: A Systematic Review and Meta-analysis
- Affiliations
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- 1Department of Psychiatry, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
- 2National Evidence-based Healthcare Collaborating Agency, Seoul, Korea. lshpss@hanmail.net
- 3Department of Psychiatry, Gongju National Hospital, Gongju, Korea.
- 4Department of Psychiatry, School of Medicine, Kyungpook National University, Daegu, Korea.
- 5Department of Psychiatry, Chonbuk National University Hospital, Jeonju, Korea.
- 6Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea.
- 7Department of Psychiatry, Hallym University Chuncheon Sacred Hospital, Hallym University College of Medicine, Chuncheon, Korea.
- 8Department of Psychiatry, Inje University Ilsan Paik Hospital, Goyang, Korea. lshpss@hanmail.net
- KMID: 2428965
- DOI: http://doi.org/10.9758/cpn.2018.16.4.361
Abstract
- We aimed to compare the efficacy and safety of long-acting injectable (LAI) and oral second-generation antipsychotics (SGAs) in treating schizophrenia by performing a systematic review and meta-analysis. MEDLINE, EMBASE, PsycINFO, CINAHL, and the Cochrane Library, as well as five Korean databases, were systemically searched to identify studies published from 2000 to 16 April 2015, which compared the efficacy and safety of LAI and oral SGAs. Using data from randomized controlled trials (RCTs), meta-analyses were conducted. In addition, the GRADE (the Grading of Recommendations, Assessment, Development and Evaluation) approach was applied to explicitly assess the quality of the evidence. A total of 30 studies including 17 RCTs and 13 observational studies were selected. The group treated with LAI SGAs was characterized by significantly lower relapse rates, longer times to relapse and fewer hospital days, but also by a higher occurrence of extrapyramidal syndrome and prolactin-related symptoms than that in the group treated with oral SGAs. Our findings demonstrate that there is moderate to high level of evidence suggesting that in the treatment of schizophrenia, LAI SGAs have higher efficacy and are associated with higher rates of extrapyramidal syndrome and prolactin-related symptoms. Additionally, the use of LAI SGAs should be combined with appropriate measures to reduce dopamine D2 antagonism-related symptoms.
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