Overview Study of the Efficacy and Safety of NPC-15 for Sleep Disorders of Children With Neurodevelopmental Disorders Status: Completed Trial end date: 2018-07-06 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the efficacy on sleep latency with electronic sleep diaries and the safety of NPC-15. Phase: Phase 3 Details Lead Sponsor: NobelpharmaTreatments: Melatonin