Sleep Disorders Clinical Trial
Official title:
A Randomized, Placebo-controlled Study to Investigate the Efficacy and Safety of Circadin® to Alleviate Sleep Disturbances in Children With Neurodevelopmental Disabilities
The purpose of this study is to establish the efficacy and safety of Circadin in children with neurodevelopmental disorders and to determine the dose, this randomized, placebo-controlled study is planned to evaluate the efficacy of a double-blind, 13 week treatment period with Circadin 2/5mg in improving maintenance of sleep, sleep latency and additional parameters in children with neurodevelopmental disabilities. The efficacy and safety of Circadin 2/5 mg will continue to be assessed during an open-label extension period of 13 weeks.
This is a randomized placebo-controlled study in children diagnosed with autism spectrum disorders (ASDs) and neurodevelopmental disabilities caused by neurogenetic diseases. Children who are found to be eligible for the study will follow a 4-week, basic sleep hygiene and behavioral intervention wash-out period, and will continue in a 2-week single-blind (SB) placebo run-in period. Then, they will be randomized in a 1:1 ratio to receive either Circadin® 2 mg or placebo for 3 weeks in a double-blind treatment period. After 3 weeks of treatment, on the last day of Week 5 ±3 days (Visit 3), sleep variables will be assessed to determine if dose modification (an increase to 5 mg) is required. Children will then continue on 2 or 5 mg of Circadin® or placebo for an additional double-blind period of 10 weeks. This double-blind period will be followed by an open-label period of 13 weeks. At the end of the 13-week open-label period on the last day of Week 28 ±3 days (Visit 5), sleep variables will be assessed to determine if a potential additional dose modification (i.e., an increase either to 5 mg for patients who are still on 2 mg or an increase to 10 mg for patients who are on 5 mg) is necessary (If a dose increase is decided upon, the dose increase should be from 2 mg to 5 mg, or 5 mg to 10 mg). Children will continue at 2, 5, or 10 mg Circadin® in an open-label period for another 78 weeks of follow-up, which will include continuous safety monitoring and 2 efficacy assessment time points at Weeks 41 and 54. The study will end with a 2-week SB placebo run-out period. Each patient will participate in the study until the end of the second open-label safety follow-up period, and 2 week run-out period. The study duration will be 112 weeks, including the 4-week wash-out period with sleep hygiene and behavioral intervention. ;
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