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WithdrawnNCT02333149MYNAPUpdated Nov 15, 2021

Melatonin in Youth: N-of-1 Trials in a Stimulant-treated Attention Deficit Hyperactivity Disorder (ADHD) Population

A Phase 3 interventional study of Melatonin and Placebo in Attention Deficit/Hyperactivity Disorder and Initial Insomnia, sponsored by University of Alberta. Withdrawn at 1 site in Canada. Open to participants aged 6 Years to 17 Years. Per ClinicalTrials.gov, last updated 2021-11-15.

Sponsored by University of Alberta · Phase 3, Interventional, and Treatment

Why this study was withdrawn
Issues surrounding the current COVID-19 pandemic.
Phase
Phase 3
Study type
Interventional
Enrollment
0
Allocation
Randomized
Ages
6 Years to 17 Years
Sex
All
01

Study summary

This study is a multi-center, randomized, triple-blind, placebo-controlled parallel-group trial, in which each participant is offered an N-of-1 trial. The purpose of this study is to assess the efficacy and safety of melatonin (3 mg or 6 mg) compared with placebo for initial insomnia in children with attention-deficit disorder.

02

Conditions studied

  • Attention Deficit/Hyperactivity Disorder
  • Initial Insomnia

Keywords

  • Melatonin
03

In context

Attention Deficit Disorder with Hyperactivity

1,548 studies on the registry are indexed under Attention Deficit Disorder with Hyperactivity; 254 are open to participants now.

Browse Attention Deficit Disorder with Hyperactivity studies →

Lead sponsor

University of Alberta is the lead sponsor of 819 studies on the registry; 166 are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 3 (60%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
6 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • School-aged children and adolescents between the ages of 6 to 17 years
  • Confirmed diagnosis of ADHD as defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV)

Exclusion criteria

Exclusion Criteria:

  • Co-morbid psychiatric/neurological diagnoses that may affect sleep
  • Co-morbid seizure disorder
  • Co-morbid sleep disorder
  • Concurrent use of immunosuppressive drugs, blood pressure drugs, selective serotonin re-uptake inhibitors or anticoagulant drugs;
  • Pregnancy or breastfeeding
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
0 participants (actual)

Study arms

  • Experimental
    Melatonin

    Dietary supplement: Melatonin 3 mg or 6 mg

    Dietary Supplement: Melatonin

  • Placebo comparator
    Placebo

    Drug: Placebo

    Drug: Placebo

Interventions

  • Dietary supplementMelatonin

    Children \<40 kg will take one tablet, melatonin 3 mg, oral, 30 - 60 minutes prior to bedtime. Children ≥40 kg will take two tablets, melatonin 3 mg, oral, 30-60 minutes prior to bedtime.

  • DrugPlacebo

    Placebo frequency and volume are identical to the experimental arm

06

What researchers measure

Primary outcomes

  1. Mean change in sleep onset latency (minutes)

    The mean change in sleep onset latency will be measured using sleep diaries.

    Time frame: Daily, up to 6 weeks

07

Study locations

1 site
  • University of Alberta
    Edmonton, Alberta T6G 1K8, Canada
08

References and documents

Publications

  • Punja S, Nikles CJ, Senior H, Mitchell G, Schmid CH, Heussler H, Witmans M, Vohra S. Melatonin in Youth: N-of-1 trials in a stimulant-treated ADHD Population (MYNAP): study protocol for a randomized controlled trial. Trials. 2016 Jul 29;17:375. doi: 10.1186/s13063-016-1499-6. PubMed 27473269 ↗
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 15, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02333149
Collaborators
The University of Queensland
Responsible party
Sponsor
First posted
Jan 7, 2015
Start date
Jan 1, 2019
Primary completion
Nov 4, 2021
Completion
Nov 4, 2021
Last update
Nov 15, 2021

Study contacts

Sunita Vohra, MD
principal investigator · University of Alberta

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is withdrawn, as verified in Nov 2021. You cannot join it, but the record below documents what was studied.

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