Electrophysiologic Sleep Phenotyping and Sleep-Dependent Neuro-maturation in Clinical and Healthy Pediatric Populations

  • STATUS
    Recruiting
  • End date
    Apr 15, 2027
  • participants needed
    244
  • sponsor
    National Institute of Mental Health (NIMH)
Updated on 4 October 2022
Accepts healthy volunteers

Summary

Background

During the first few decades of life, the brain changes dramatically in shape and function. Sleep lets researchers measure these changes. Researchers want to create a database of sleep and neurodevelopmental data in a group of infants and children to learn more.

Objective

To address a knowledge and data gap in the field of sleep and neurodevelopment in infants and children.

Eligibility

Children ages 6 months to 76 months who may or may not be at risk for neurodevelopmental and neuropsychiatric disorders. Also, children ages 6 months to 8 years who have a referral for a sleep study.

Design

Participants will have neurodevelopmental testing. They will have a medical, psychiatric, and family history. They will have a physical and neurological exam. They will be interviewed and complete surveys. They will give a cheek swab and/or blood sample.

Some participants will have 1 study visit that lasts 2 days.

Other participants will have up to 4 study visits. Each visit will last 2 days. Visits occur every 8 months to 1 year, for a total participation time of 2 years.

Participants will have a 20-minute daytime electroencephalogram (EEG), if possible. This EEG session will be used to calibrate the machine for the overnight study.

Participants will take part in an inpatient overnight sleep study. Electrodes will be placed on the participants. For young children, parents will help place the EEG leads. Other sensors may also be placed. A gauze cap will be placed on participants head to protect the leads and keep the participants from moving them. 'Lights out' will occur as close to participants bedtime as possible.

Description

This is a multisite longitudinal study with NIH as the lead site. The other sites: Texas Children s Hospital, Boston Children s Hospital, Geisinger Medical Center, NYU and the NHLBIsupported, area specific repository, National Sleep Research Repository (NSRR). This study will address the data gap established by two NIMH sponsored intramural/extramural workshops (2017 and 2018) in the field of sleep and neurodevelopment by establishing a standardized, reliable protocol for real time acquisition of research data on the normal and abnormal neuro-maturational changes that are sleep-dependent. It will facilitate data-sharing in this area and speed the pace of discovery. Sleep EEG is a highly advantageous modality to provide non-invasive, reliable, robust and reproducible imaging of the brain in young and neurodevelopmentally disordered populations. Sleep EEG affords data acquisition of functional network microstructure with a decreased signal to noise ratio compared to acquisition in the awake state. In addition, potential deviations from the natural ultradian and other sleep oscillatory patterns of the sleep process have the potential to inform on underlying developing neuropathology of various microstructures and neurotransmitter systems prior to the emergence of putatively associated behavioral phenomenon. Ideally, these oscillatory trajectories will not only map to developmental behavioral phenotypes but also to clinical disorders of the sleep state itself, such as the malignant insomnias that are prevalent in neuropsychiatric and neurodevelopmental syndromes. The protocol will initiate the establishment of a normative database for electrophysiologic sleep data in the developing brain. Disorders of particular interest include autism, disorders of social cognition and other neurodevelopmental disorders, childhood psychiatric disorders, and unique clinical presentations of neurogenetic syndromes, such as those associated with genetic disorders or those with a unique family history. The study plans to use a quantitative, dimensional approach to outcome measurement with respect to adaptive functioning in children and to symptoms of behavioral and/or neurodevelopmental problems, irrespective of diagnosis.

While specific differences in the architecture of sleep (e.g., stages, movement abnormalities, cyclicity, spindles and other bio-signatures that reflect anatomical microstructure) may be used to differentiate neurodevelopmental cohorts, the enormous potential of this proposed database lies in the ability to track functional connectivity (coherence) during sleep in the developing brain in a longitudinal, prospective manner, thereby establishing both normal and aberrant trajectories. Predictive relationships can be determined once these trajectories are established. Coherence studies would allow for the potential recreation of neural circuits that sub-serve various brain functions, such as language and attention. Tracking the trajectory of neural development prior to and during the developmental window when these circuits are maturing will allow for an understanding of best potential windows of intervention.

Objectives: The long term, primary objective of this protocol is to evaluate the degree to which the development and maturation of sleep patterns, with an emphasis on the relationship of those patterns to electrophysiologic signals, can predict cognitive and behavioral outcomes. Assessing participants over time will allow researchers to gain additional knowledge about the role of abnormal sleep, measured both clinically and by polysomnogram, in various childhood neuropsychiatric/ neurodevelopmental disorders and behavioral syndromes.

Study Population: The total number of participants to be enrolled will be set at N = 244 (6 months to 8 years old) and will include the following:

  1. Study 1: N = 90 with no known risk for neurodevelopmental disorders. These include children without identified neurodevelopmental problems who score within age-expected ranges on cognitive and behavioral screeners.
  2. Study 2: N = 154 children at risk for or known to have selected neurodevelopmental/neuropsychiatric disorders, based on any one or more of the following
    criteria
  3. Enrolled in early intervention
  4. Getting any targeted therapies
  5. Neurodevelopmental or neuropsychiatric disorder
  6. Failed Infant Toddler Checklist (ITC) (ages 6 months 24 months)
  7. Failed the Early Intervention (EI) screener (>24 months)

Design: Study 1 (N = 90) and Study 2 (N = 154) use the same accelerated longitudinal design.

Outcome Measures: The primary outcome measure in Study 1 is sleep spindle activity. Study 2 has an additional primary outcome, the Vineland Adaptive Behavior (VABS) Socialization growth scale. In both studies, secondary outcome measures will include:other characteristics of sleep spindles, sleep rhythms (ultradian, circadian), macroarchitecture (stages and latencies), microarchitecture (measures of connectivity and network analyses).

Predictors include other neurodevelopmental variables, including other domain scores from the Vineland, IQ, and quantitative measurement of behavioral problems and social communicative development.

Details
Condition Healthy Children, Children With Neurodevelopmental Disorders, Children With Neuropsychiatric Disorders, Children With Behavioral Syndromes
Clinical Study IdentifierNCT04639830
SponsorNational Institute of Mental Health (NIMH)
Last Modified on4 October 2022

Eligibility

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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