Improving Sleep and Daytime Functioning Among Children Diagnosed With Attention Deficit Hyperactivity Disorder (ADHD)

Cincinnati Children's Hospital Medical Center logo

Cincinnati Children's Hospital Medical Center

Status and phase

Completed
Phase 2
Phase 1

Conditions

Attention Deficit Hyperactivity Disorder

Treatments

Drug: Melatonin
Behavioral: Sleep Intervention

Study type

Interventional

Funder types

Other

Identifiers

NCT00867451
CCHMC IRB# 2008-1287

Details and patient eligibility

About

This study will test the efficacy of a systematic, multi-modal intervention protocol designed to improve sleep functioning and subsequent alleviation of daytime cognitive and behavioral difficulties among children diagnosed with ADHD. It is hypothesized that children receiving behavioral and (if necessary) pharmacologic interventions targeting sleep will display improvement on objective and subjective sleep measures, neuropsychological tests, and teacher-, and parent-ratings of ADHD behaviors.

Full description

Parents, researchers, and clinicians have long suspected that inadequate sleep in many children diagnosed with Attention Deficit Hyperactivity Disorder (ADHD) can exacerbate symptoms of hyperactivity and inattentiveness, leading to further cognitive and behavioral disruptions. Extant sleep studies report that upwards of 50% of children diagnosed with ADHD display behaviors associated with chronic sleep disruption (in comparison to non-diagnosed youth). Although studies have attempted to alleviate sleep difficulties, most intervention studies have used only one treatment modality. This study will incorporate a systematic, multi-method treatment intervention protocol that will combine behavioral and pharmacologic strategies aimed to improve sleep functioning among children with ADHD. The specific aims of this study are to (a) examine the effects of a structured sleep behavioral/pharmacologic intervention protocol on improved sleep onset and efficiency, and (b) examine how such improvements may alleviate daytime neuropsychological (i.e., response time) and behavioral deficits associated with ADHD. The study will take place at the ADHD Clinic. Twelve children (ages 6-12), following confirmed diagnosis of ADHD and who meet all criteria for evaluation, and who have signed parent/child consent/assent, will be randomly assigned to an immediate treatment or delayed treatment group (6 in each group). Children in the immediate treatment group will receive the sleep intervention protocol, while those in the delayed treatment group will initially only receive all of the sleep, activity, and daytime assessments on the same schedule as the treatment group without any of the treatment methods. They will be offered the same treatment methods as the immediate treatment group at week 5. The study will occur in separate phases. Phase one will consist of an intake session at the ADHD Clinic to determine eligibility for the study. Phase two will immediately follow (for eligible participants) and will consist of a one-week baseline to gather sleep, neuropsychological functioning and daytime behavior data. Sleep functioning will be measured using both subjective (i.e., parent sleep logs) and objective measures (i.e., actigraphy), while response time will be assessed using a device that measures continuous reaction-time performance. Attention and other ADHD-related behaviors will be collected using parent- and teacher rating scales during baseline. Phase three, which will last 4 weeks, consists of parents of each child in the treatment group coming to the Clinic to learn a specific sequence of interventions, first beginning with behavioral methods, followed by melatonin (if necessary) to improve sleep functioning (80% above baseline). Parents of children in the delayed treatment phase will not come to the Clinic during phase three, but will be contacted for a brief phone interview once per week. They will be asked questions pertaining to any changes in sleep and daytime behaviors. Finally, Phase 4 consists of having all parents return to the ADHD Clinic, where measures administered at the end of Baseline will be repeated. At that time, those in the delayed treatment group may enter the treatment phase. A repeated measure ANOVA using group status (no treatment vs. treatment) across two time points (baseline, post-sleep intervention) will assess changes in sleep and daytime functioning over time. Although a group-by-time interaction will indicate treatment efficacy, this is a small pilot study; the small number of participants in each group likely precludes the power to determine this statistically. Instead, effect sizes and subjective measures will be used to describe and justify, if appropriate, an expansion of this study for a subsequent grant application.

Enrollment

8 patients

Sex

All

Ages

6 to 12 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Consent: The family must provide signature of informed consent by parents or legal guardians
  • Assent: Children must provide assent to participate in the study (via signature on assent form)
  • Age at time of Screening: 6 years to 12 years, inclusive
  • Gender: includes male and female children.
  • ADHD Diagnostic Status: The primary criterion is that patients must meet DSM-IV criteria for ADHD.
  • Presence of Significant Sleep Problems: Assessed through clinical history and a commonly used parent-report of children's sleep habits. A cut-off score of or greater than 41 on the Children's Sleep Habits Questionnaire (CSHQ) will be used.
  • Functioning at appropriate grade level for age.

Exclusion criteria

  • Understanding Level: The parent is not fluent in the language of the wording used in the consent form.
  • Exclusionary Psychiatric Conditions or Current Significant Stressors: Children whose primary diagnosis is something other than ADHD will be excluded from participation (e.g., oppositional defiant disorder, anxiety). Further, events that have occurred over the past 6 months that could affect sleep (such as active grieving) will also be excluded from participation.
  • Developmental Disabilities: Functioning below grade level for age; or as a result of scores on the IQ screening, additional assessments, or the judgment of the study clinicians, patients will be excluded if they are deemed to be significantly developmentally delayed. This includes clinically significant delays in cognitive function or the presence of other Pervasive Developmental Disorders (PDD).
  • Organic Brain Injury: Children must not have a history of head trauma (requiring hospitalization), neurological disorder (such as Tourette syndrome, or restless leg movements), or any other organic disorder that could possibly affect brain function.
  • Strong evidence of sleep apnea: As determined by cutoff scores on the sleep habits questionnaire. Raw scores of or greater than 6 on relevant items from the CHSQ are often used to indicate sleep apnea.
  • Caffeine consumption: is greater than 3 cans per day
  • Stimulant or psychotropic medications: Children must be on a stable dose one week prior to the initiation of the study interventions and not require changes or addition of new medication during the intervention time.
  • ADHD Medications:Children must be on a stable dose one week prior to the initiation of the study interventions and not require changes or addition of new medication during the intervention time.
  • Child-bearing potential: Female subjects who are randomized to the treatment group and who are potentially able to become pregnant, must be willing to take adequate precautions to prevent pregnancy, as determined by the investigator.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

8 participants in 2 patient groups

Immediate Treatment
Experimental group
Description:
Children will receive behavioral sleep interventions and, if needed, melatonin, to improve sleep functions.
Treatment:
Behavioral: Sleep Intervention
Drug: Melatonin
Delayed Treatment
Experimental group
Description:
Children will only receive sleep behavior interventions for the first four weeks of the trial. Treatment with study drug will be delayed to the 5th week.
Treatment:
Behavioral: Sleep Intervention
Drug: Melatonin

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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