Journal
JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY
Volume 56, Issue 11, Pages 948-957Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jaac.2017.09.414
Keywords
melatonin; sleep; autism; neurogenetic; pediatric
Categories
Funding
- Neurim Pharmaceuticals
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Objective: To assess the efficacy and safety of novel pediatric-appropriate, prolonged-release melatonin minitablets (PedPRM) versus placebo for insomnia in children and adolescents with autism spectrum disorder (ASD), with or without attention-deficit/hyperactivity disorder (ADHD) comorbidity, and neurogenetic disorders (NGD).& para;& para;Method: A total of 125 children and adolescents (2-17.5 years of age; 96.8% ASD, 3.2% Smith-Magenis syndrome [SMS]) whose sleep failed to improve on behavioral intervention alone were randomized (1:1 ratio), double-blind, to receive PedPRM (2 mg escalated to 5 mg) or placebo for 13 weeks. Sleep measures included the validated caregivers' Sleep and Nap Diary (SND) and Composite Sleep Disturbance Index (CSDI). The a priori primary endpoint was SND-reported total sleep time (TST) after 13 weeks of treatment.& para;& para;Results: The study met the primary endpoint: after 13 weeks of double-blind treatment, participants slept on average 57.5 minutes longer at night with PedPRM compared to 9.14 minutes with placebo (adjusted mean treatment difference PedPRM-placebo -32.43 minutes; p = .034). Sleep latency (SL) decreased by 39.6 minutes on average with PedPRM and 12.5 minutes with placebo (adjusted mean treatment difference -25.30 minutes; p = .011) without causing earlier wakeup time. The rate of participants attaining clinically meaningful responses in TST and/or SL was significantly higher with PedPRM than with placebo (68.9% versus 39.3% respectively; p = .001) corresponding to a number needed to treat (NNT) of 3.38. Overall sleep disturbance (CSDI) tended to decrease. PedPRM was generally safe; somnolence was more commonly reported with PedPRM than placebo.& para;& para;Conclusion: PedPRM was efficacious and safe for treatment of insomnia in children and adolescents with ASD with/without ADHD and NGD. The acceptability of this pediatric formulation in a population who usually experience significant difficulties in swallowing was remarkably high.
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