The use of MElatonin in children with neurodevelopmental disorders and impaired sleep: a randomised, double-blind, placebo-controlled, parallel study (MENDS)
Abstract
BACKGROUND: Difficulties in initiating and maintaining sleep are common in children with neurodevelopmental disorders. Melatonin is unlicensed in children yet widely prescribed for sleep problems. OBJECTIVE: To determine whether or not immediate-release melatonin is beneficial compared with placebo in improving total duration of night-time sleep in children with neurodevelopmental problems. DESIGN: Randomised, double-blind, placebo-controlled, parallel study. SETTING: Hospitals throughout England and Wales recruited patients referred by community paediatricians and other clinical colleagues. PARTICIPANTS: Children with neurodevelopmental problems aged from 3 years to 15 years 8 months who did not fall asleep within 1 hour of lights out or who had < 6 hours of continuous sleep. Before randomisation, patients meeting eligibility criteria entered a 4- to 6-week behaviour therapy period in which a behaviour therapy advice booklet was provided. Sleep was measured using sleep diaries and actigraphy. After this period the sleep diaries were reviewed to determine if the sleep problem fulfilled the eligibility criteria. Eligible participants were randomised and followed for 12 weeks. INTERVENTIONS: Melatonin or placebo capsules in doses of 0.5 mg, 2 mg, 6 mg and 12 mg for a period of 12 weeks. The starting dose was 0.5 mg and the dose could be escalated through 2 mg and 6 mg to 12 mg during the first 4 weeks, at the end of which the child was maintained on that dose. MAIN OUTCOME…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 275 participants or records.
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