Relapse and long-acting injectable risperidone: a one-year mirror-image study with a national claims-based database in Taiwan

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Taipei Medical University Institutional Repository > 管理學院 > 醫務管理學系暨研究所 > 期刊論文 > Item 987654321/2199

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題名:	Relapse and long-acting injectable risperidone: a one-year mirror-image study with a national claims-based database in Taiwan
作者:	湯澡薰 Su KP;Chang HC;Tsai SJ;Yen FC;Tang CH
貢獻者:	醫務管理學系
日期:	2009
上傳時間:	2009-08-18 16:28:49 (UTC+8)
摘要:	OBJECTIVES: The development of long-acting, injectable atypical antipsychotics has provided a new paradigm for schizophrenia treatment. The study was designed to assess whether a risperidone long-acting injection (RLAI) is associated with reduced relapses and service utilization in the real world. METHODS: The Psychiatric Inpatients Medical Claims dataset was used for the analysis. It is a longitudinal dataset that includes the National Health Insurance claims of service uses by a cohort of mentally ill patients. The inclusion criteria for this analysis were patients who: 1) had available information for at least 12 months after the first dose of RLAI; 2) had a primary diagnosis of schizophrenia; and 3) were regularly treated with RLAI for at least 1 year. Patients who accumulatively received at least 75-mg RLAI per 3-month period were considered to be undergoing regular treatment. Wilcoxon signed rank tests were performed to compare differences in numbers of acute admissions, hospital days, emergency room visits, and relapses between the pre- and post-RLAI periods in this 1-year mirror-image study. RESULTS: In total, 108 patients were eligible for analysis. Significant reductions in the total annual numbers of acute hospital admissions by 55% (80 vs. 36, P = 0.0003), hospital days by 48% (4106 vs. 2126, P = 0.0021), and relapses by 54% (115 vs. 53, P = 0.0005) were observed. A reduction of emergency room visits was also observed, but did not reach statistical significance (55 vs. 25, P = 0.1255). CONCLUSIONS: This 1-year mirror-image analysis with claims-based data demonstrated that RLAI treatment was associated with reductions in relapses and hospital service utilization.
關聯:	Value in Health.
資料類型:	article
顯示於類別:	[醫務管理學系暨研究所] 期刊論文

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