Abstract:
:This study evaluated the impact of using long-acting injectable (LAI) antipsychotics for a longer treatment duration versus a short duration on health care resource utilization among Medicaid-insured schizophrenia patients. Schizophrenia patients 13 years or older initiating LAI antipsychotics were identified from the Truven Health Analytics MarketScan Research Medicaid database between July 1, 2005, and June 30, 2010. The study population was grouped into 2 study cohorts (longer-usage-duration cohort: ≥ 180 days of supply and short-usage-duration cohort: <180 days of supply). Hospitalization-related resource utilization and costs were determined during a variable follow-up period and compared at the unadjusted and adjusted levels. Of the 5694 patients identified, 2838 patients were treated with LAI antipsychotics for a mean duration of 604 (SD, 432) days (mean age, 38.91 years), and 2856 were treated for 86 (SD, 43) days (mean age, 39.96 days). Total hospital lengths of stay, all cause (6.56 [SD, 18.63] vs 4.93 [SD, 13.40] days, P < 0.001) and schizophrenia related (5.18 [SD, 14.96] vs 4.16 [SD, 11.94] days, P = 0.005), and the mean number of hospitalizations, all cause (0.79 [SD, 1.78] vs 0.61 [SD, 1.41], P < 0.001) and schizophrenia related (0.63 [SD, 1.55] vs 0.51 [SD, 1.26], P = 0.001), were lower for the longer-usage-duration cohort. Cox regression results showed that using LAI antipsychotics for a longer duration was correlated with longer time to the first hospitalization for any cause and for schizophrenia. After multivariate regression, longer usage duration of LAI antipsychotics was associated with a decreased number of hospitalizations (-0.15 per year, P < 0.001), a decreased hospital length of stay (-1.50 days, P < 0.001), and reduced hospital payment (-26%, P < 0.001). Patients who are treated with LAI antipsychotics for a longer versus shorter duration use hospital resources less.
journal_name
J Clin Psychopharmacoljournal_title
Journal of clinical psychopharmacologyauthors
Bera R,Offord S,Zubek D,Lau G,Lin J,Karson Cdoi
10.1097/JCP.0b013e3182a6082asubject
Has Abstractpub_date
2014-02-01 00:00:00pages
30-5issue
1eissn
0271-0749issn
1533-712Xjournal_volume
34pub_type
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journal_title:Journal of clinical psychopharmacology
pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 临床试验,杂志文章,多中心研究
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journal_title:Journal of clinical psychopharmacology
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journal_title:Journal of clinical psychopharmacology
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