期刊
JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY
卷 24, 期 4, 页码 190-200出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/cap.2013.0043
关键词
-
资金
- Eli Lilly and Company
Objective: The purpose of this study was to assess the efficacy and safety of edivoxetine (LY2216684), a selective norepinephrine reuptake inhibitor, in pediatric patients with attention-deficit/hyperactivity disorder (ADHD). Method: A fixed-dose, randomized, double-blind, 8 week study was conducted in patients 6-17 years of age, who were randomized by two strata: 1) Patients with prior stimulant use randomized to placebo, edivoxetine 0.1mg/kg/day, 0.2mg/kg/day, or 0.3mg/kg/day arms in a 1:1:1:1 ratio; 2) Stimulant-naive patients randomized to placebo, edivoxetine 0.1mg/kg/day, 0.2mg/kg/day, 0.3mg/kg/day, or osmotic-release oral system methylphenidate (OROS MPH) (18-54mg/day based on body weight) arms in a 1:1:1:1:1 ratio. The primary efficacy measure was baseline-to-week 8 change of ADHD Rating Scale (ADHD-RS) total score for edivoxetine 0.2mg/kg/day and 0.3mg/kg/day. Results: A total of 340 patients were randomized to placebo (n=78); edivoxetine 0.1mg/kg/day (n=76), 0.2mg/kg/day (n=75), or 0.3mg/kg/day (n=75); or OROS MPH (n=36). In the stimulant-naive stratum, the positive control, OROS MPH, was significantly superior to placebo in mean ADHD-RS total score change at end-point (-19.46, p=0.015). The edivoxetine 0.2mg/kg/day and 0.3mg/kg/day arms had statistically significantly greater improvement than the placebo arm in mean ADHD-RS total score change at end-point (placebo -10.35; edivoxetine 0.2mg/kg/day -16.09, p<0.010; edivoxetine 0.3mg/kg/day -16.39, p<0.010) and Clinical Global Impressions-Improvement score (placebo 3.05; edivoxetine 0.1mg/kg/day 3.01, p=0.860; edivoxetine 0.2mg/kg/day 2.54, p=0.013; edivoxetine 0.3mg/kg/day 2.53, p=0.013). In the overall efficacy-analyses data set (n=270), the effect size estimates for edivoxetine doses 0.1mg/kg/day, 0.2mg/kg/day and 0.3mg/kg/day at the week 8 time point were 0.17, 0.51, and 0.54, respectively (for the stimulant-naive stratum, the effect size estimate for OROS MPH was 0.69). Compared with placebo, edivoxetine treatment was associated with statistically significant increases in blood pressure and pulse (p<0.050), and a smaller increase or slight decrease in weight. Conclusions: Edivoxetine at doses of 0.2mg/kg/day and 0.3mg/kg/day demonstrated efficacy in ADHD treatment, despite the presence of a sizeable placebo response. No unexpected adverse events were identified.
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