Effect of aripiprazole 2 to 15 mg/d on health-related quality of life in the treatment of irritability associated with autistic disorder in children: a post hoc analysis of two controlled trials.
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BACKGROUND: There are limited published data on the impact of treatment on the health-related quality of life (HRQOL) in individuals with autistic disorder. OBJECTIVE: The aim of this study was to evaluate the impact of aripiprazole on HRQOL in the treatment of irritability in pediatric patients (aged 6-17 years) with autistic disorder. METHODS: This post hoc analysis assessed data from two 8-week, double-blind, randomized, placebo-controlled studies that compared the efficacy of aripiprazole (fixed-dose study, 5, 10, and 15 mg/d; flexible-dose study, 2-15 mg/d) with placebo in the treatment of irritability associated with autistic disorder. HRQOL was assessed at baseline and week 8 using 3 Pediatric Quality of Life Inventory (PedsQL) scales. Clinically relevant improvement in HRQOL was determined using an accepted distribution-based criterion-1 standard error of measurement. RESULTS: In total, 316 patients were randomly assigned to receive treatment with aripiprazole (fixed-dose study, 166; flexible-dose study, 47) or placebo (fixed-dose study, 52; flexible-dose study, 51). Aripiprazole was associated with significantly greater improvement than placebo in PedsQL combined-scales total score (difference, 7.8; 95% CI, 3.8-11.8; P < 0.001) and in 3 PedsQL scale scores (differences [95% CI]: Emotional Functioning, 7.8 [3.4-12.2]; Social Functioning, 6.2 [0.7-11.8]; Cognitive Functioning, 9.3 [3.8-14.9]; all, P < 0.05). Patients who received aripiprazole were significantly more likely than those who received placebo to have a clinically meaningful improvement on the combined-scales total score (odds ratio [OR] = 1.9; 95% CI, 1.0-3.3; P < 0.05), Emotional Functioning scale (OR = 2.2; 95% CI, 1.2-4.0; P < 0.05) and Social Functioning scale (OR = 2.2; 95% CI, 1.2-4.1; P < 0.05), and were significantly less likely to experience deterioration (OR: 0.3, 95% CI: 0.1-0.8; P < 0.05) when "Stable" was used as the reference group. CONCLUSIONS: The findings from the present post hoc analysis suggest that aripiprazole was associated with improved HRQOL, as assessed using 3 PedsQL scales, in pediatric patients with irritability associated with autistic disorder.
Varni, J. W., Handen, B. L., Corey-Lisle, P. K., Guo, Z., Manos, G., Ammerman, D. K., ... Mankoski, R.
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Varni, James W||Handen, Benjamin L||Corey-Lisle, Patricia K||Guo, Zhenchao||Manos, George||Ammerman, Diane K||Marcus, Ronald N||Owen, Randall||McQuade, Robert D||Carson, William H||Mathew, Suja||Mankoski, Raymond
