Yu-Jung Wei1, Xinyue Liu1, Nikhil Rao2, Marie McPherson3, Mary Beth Jones4, Regina Bussing2, Almut G Winterstein1,5. 1. 1 Department of Pharmaceutical Outcomes and Policy, University of Florida College of Pharmacy , Gainesville, Florida. 2. 2 Department of Psychiatry, University of Florida College of Medicine , Gainesville, Florida. 3. 3 Florida Mental Health Institute, University of South Florida , Tampa, Florida. 4. 4 Florida Agency for Health Care Administration , Tallahassee, Florida. 5. 5 Department of Epidemiology, University of Florida Colleges of Medicine and Public Health & Health Professions , Florida.
Abstract
OBJECTIVE: To examine incidence of adverse health outcomes and associated factors among preschoolers (under age 6) who received antipsychotic treatment through the Florida Medicaid Prior Authorization (PA) program. METHODS: Using Florida's PA registry linked to the state's Medicaid claims data, we ascertained incident outcomes during PA-approved antipsychotic use between April 2008 and September 2015 (7.5 years). Six outcomes associated with use of antipsychotics included: diabetes, obesity, hyperlipidemia, hyperprolactinemia, cardiovascular disease (CVD) (including hypertension, ventricular arrhythmia, and other CVDs), and extrapyramidal symptoms (EPS) (including dystonia, akathisia, parkinsonism, and tardive dyskinesia). Outcome-specific incidences were stratified by short-term (≤1 year) and long-term (>1-7 years) antipsychotic use. We used multivariate modified Poisson regressions to determine factors associated with these outcomes among preschoolers. RESULTS: The overall crude incidence during PA-approved antipsychotic use was highest for EPS and obesity (57 and 19 cases/1000 children-years, respectively). The rate of these two outcomes differed by duration of antipsychotic use. We observed a higher obesity (23.8 vs. 9.6, p < 0.001) and dystonia incidence (7.2 vs. 2.5, p < 0.05), but lower akathisia incidence (44.4 vs. 60.6, p < 0.05) among long-term antipsychotic users compared with short-term users. Five outcomes-ventricular arrhythmia, other cardiovascular side effects, hyperprolactinemia, parkinsonism, and tardive dyskinesia-occurred rarely (<2.0/1000 children-years). Preschoolers who were younger at baseline (≤2 years old vs. 4-5 years old) and Black (vs. White) were at a higher risk of EPS. CONCLUSION: Risk for EPS and obesity deserves clinical attention during antipsychotic treatment among preschoolers. Controlled studies that allow interpretation of these incidence rates in the context of background risk and that formally quantify the incremental risk associated with antipsychotic initiation during early childhood are needed.
OBJECTIVE: To examine incidence of adverse health outcomes and associated factors among preschoolers (under age 6) who received antipsychotic treatment through the Florida Medicaid Prior Authorization (PA) program. METHODS: Using Florida's PA registry linked to the state's Medicaid claims data, we ascertained incident outcomes during PA-approved antipsychotic use between April 2008 and September 2015 (7.5 years). Six outcomes associated with use of antipsychotics included: diabetes, obesity, hyperlipidemia, hyperprolactinemia, cardiovascular disease (CVD) (including hypertension, ventricular arrhythmia, and other CVDs), and extrapyramidal symptoms (EPS) (including dystonia, akathisia, parkinsonism, and tardive dyskinesia). Outcome-specific incidences were stratified by short-term (≤1 year) and long-term (>1-7 years) antipsychotic use. We used multivariate modified Poisson regressions to determine factors associated with these outcomes among preschoolers. RESULTS: The overall crude incidence during PA-approved antipsychotic use was highest for EPS and obesity (57 and 19 cases/1000 children-years, respectively). The rate of these two outcomes differed by duration of antipsychotic use. We observed a higher obesity (23.8 vs. 9.6, p < 0.001) and dystonia incidence (7.2 vs. 2.5, p < 0.05), but lower akathisia incidence (44.4 vs. 60.6, p < 0.05) among long-term antipsychotic users compared with short-term users. Five outcomes-ventricular arrhythmia, other cardiovascular side effects, hyperprolactinemia, parkinsonism, and tardive dyskinesia-occurred rarely (<2.0/1000 children-years). Preschoolers who were younger at baseline (≤2 years old vs. 4-5 years old) and Black (vs. White) were at a higher risk of EPS. CONCLUSION: Risk for EPS and obesity deserves clinical attention during antipsychotic treatment among preschoolers. Controlled studies that allow interpretation of these incidence rates in the context of background risk and that formally quantify the incremental risk associated with antipsychotic initiation during early childhood are needed.
Entities:
Keywords:
antipsychotics; physical health outcomes; preschoolers; prior authorization
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