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Genomic Basis of Neurodevelopmental and Brain Outcomes in Congenital Heart Disease (CHD Brain and Genes)

Genomic Basis of Neurodevelopmental and Brain Outcomes in Congenital Heart Disease

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03070197
Enrollment
196
Registered
2017-03-03
Start date
2017-09-18
Completion date
2020-06-29
Last updated
2020-08-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Heart Disease Congenital

Brief summary

Approximately 400 Congenital heart disease patients will participate in the research study which will include one or more research visits for neurodevelopmental testing, brain MRI, and collection of medical history including previously collected genetic sequencing results. The investigators will explore the association between genetic variants, neurodevelopmental deficits, and brain MRI endophenotype. Analyses will compare groups with and without deleterious de novo mutations.

Interventions

OTHERExposure of interest: Brain MRI

Brain MRI will be conducted in all participants

OTHERExposure of interest: neurodevelopmental assessments

neurodevelopmental testing will be conducted in all participants.

Sponsors

National Heart, Lung, and Blood Institute (NHLBI)
CollaboratorNIH
Children's Hospital Medical Center, Cincinnati
Lead SponsorOTHER

Study design

Observational model
CASE_CONTROL
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
8 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Subjects in whom whole exome sequencing or whole genome sequencing has already been performed, either during the CHD GENES study or, for new centers (Utah or USCF/Stanford), after trios in existing biobanks undergo analysis by whole exome sequencing or whole genome sequencing during the Pediatric Cardiac Genomic Consortium 2 grant cycle 2. Presence of deleterious mutations (damaging de novo mutations or stringently defined deleterious missense mutations) identified on sequencing (Cases) OR absence of such known deleterious mutations (Controls) 3. Males or females, age ≥8 years 4. Diagnosis of congenital heart disease 5. Informed consent obtained

Exclusion criteria

1. History of cardiac transplant 2. A cardiac surgical procedure within 6 months of enrollment 3. Known clinical genetic syndrome, characterized as a monogenic condition with an identified gene associated with abnormalities of the brain structure or function, structural heart disease, and potentially other associated features. 4. Presence of CNV known to be clinically pathogenic. Variants will be classified as pathogenic using accepted types of variant evidence (e.g., population data, computational data, functional data, segregation data) as detailed in the American College of Medical Genetics and Genomics Standards and Guidelines for the interpretation of sequence variants (Richards et al, GIM 2015). 5. Overwhelming acquired brain injury, such as a major stroke or severe ischemic injury, that would overshadow the effect of a genetic mutation on outcome in the opinion of the center investigator 6. Lack of reading fluency in English or Spanish

Design outcomes

Primary

MeasureTime frameDescription
Neurodevelopment and behavioral health assessmentDay 1The investigators will compare groups with respect to achievement, IQ, learning disability, specific neuropsychological domains (e.g., memory, attention, executive functions, and visual-spatial/motor integration), adaptive function, behavior, social cognition and symptoms of autism spectrum disorder, and quality of life. The primary study outcome for this aim will be the WRAT4 composite score.

Secondary

MeasureTime frameDescription
Abnormalities in brain structure and microstructure on MRIDay 1The investigators will compare the groups with respect to measured and derived parameters including, but not limited to, 1) regional volumetric and cortical thickness, 2) regional surface metrics, 3) voxel-based DTI eigenvectors and apparent diffusion coefficient (ADC) values, and resting state principal component analysis

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026