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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05971446
Other study ID # 2019-1243
Secondary ID SMPH\PEDIATRICS\
Status Recruiting
Phase
First received
Last updated
Start date February 24, 2020
Est. completion date July 2024

Study information

Verified date July 2023
Source University of Wisconsin, Madison
Contact Alexandra Lindstrom
Phone 608-262-2388
Email aklindstrom2@wisc.edu
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of this research study is to gather more information on how eye injury is related to a baby's future development and see if eye function and brain test results can be used, along with current measures, to better diagnose and treat babies with hypoxic-ischemic encephalopathy (HIE). Participants will undergo up to two eye exam sessions, involving both Visual Evoked Potential (VEP) and Electroretinogram (ERG) exams.


Recruitment information / eligibility

Status Recruiting
Enrollment 125
Est. completion date July 2024
Est. primary completion date July 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group N/A to 36 Months
Eligibility HIE Neonate Inclusion Criteria: - Inpatient Neonates diagnosed with HIE - Pediatric patients who are less than 78 hours of age at the time of enrollment - Participants whose parent/legal guardian is able to complete consenting process in English HIE Neonate Exclusion Criteria: - Participants with prenatally diagnosed or congenital brain and/or eye abnormalities not associated with HIE, including but not limited to microphthalmia, anophthalmia, congenital cataract, eye or eyelid coloboma, congenital glaucoma, CMV retinitis, optic nerve hypoplasia, aniridia, cryptophthalmos, globe abnormalities - Participants who have a known central nervous system illness other than HIE, including but not limited to congenital brain malformations or congenital hydrocephalus - Participants whose parent/legal guardian is unable to provide informed consent, including participants who are in foster care, participants within state custody, and participants of minor parents Waisman, AFCH NBFU, or CERU Clinic HIE Patient Inclusion Criteria: - Pediatric patients who have a diagnosis of HIE and present to the Newborn Follow Up Clinic - Pediatric patients who are less than 36 months of age at the time of enrollment - Participants whose parent/legal guardian is able to complete consenting process in English Waisman, AFCH NBFU, or CERU Clinic HIE Patient Exclusion Criteria: - Participants with prenatally diagnosed or congenital brain and/or eye abnormalities not associated with HIE, including but not limited to microphthalmia, anophthalmia, congenital cataract, eye or eyelid coloboma, congenital glaucoma, CMV retinitis, optic nerve hypoplasia, aniridia, cryptophthalmos, globe abnormalities - Participants who have a known central nervous system illness not associated with HIE and its complications. Complications may include seizures, hydrocephalus, and stroke, which are NOT exclusionary. Examples of exclusionary conditions include but are not limited to traumatic brain injury outside the perinatal period, meningitis, or diagnosis of brain tumor - Participants whose parent/legal guardian is unable to provide informed consent, including participants who are in foster care, participants within state custody, and participants of minor parents Well Baby Inclusion Criteria: - Patient in Meriter's Newborn Nursery - =37 and <42 weeks gestational age - 5-minute Apgar Score =7 - Occipital Frontal Circumference (OFC) is within average limits for age (<97th percentile and >3rd percentile) Well Baby Exclusion Criteria: - Admitted to the NICU for any reason - Known genetic abnormality - Diagnosed with HIE - Diagnosed with Hypoglycemia - Diagnosed with Hyperbilirubinemia requiring phototherapy - Identified prenatal exposure to substances, including illicit drugs, alcohol, and/or tobacco - Known or suspected neonatal infection requiring treatment (e.g., antibiotics) - TORCH infections - Abnormal newborn hearing screen - Abnormal toxicology screening - Identified as large for gestational age (LGA) or small for gestational age (SGA) - Participants with prenatally diagnosed or congenital eye abnormalities, including but not limited to microphthalmia, anophthalmia, congenital cataract, eye or eyelid coloboma, congenital glaucoma, CMV retinitis, optic nerve hypoplasia, aniridia, cryptophthalmos, globe abnormalities, and nystagmus - Subjects who have a known central nervous system illness or malformation, including but not limited to congenital brain malformations or congenital hydrocephalus - Participants whose parent/legal guardian is unable to provide informed consent, including subjects who are in foster care, subjects within state custody, and subjects of minor parents - The attending medical team does not approve

Study Design


Intervention

Device:
Visual Evoked Potential (VEP)
Small gold-cup electrodes will be placed on the participant's head using a small dot of adhesive paste. The handheld device is then connected to the electrodes, and the participant's eyes are exposed to a light flicker. Each eye will be tested separately, and while testing one eye, the other eye may be patched.
Electroretinogram (ERG)
Skin electrodes will be placed under each eye. Eyes will then be exposed to a flashing light. Each eye will be tested separately and while testing one eye, the other eye may be patched.

Locations

Country Name City State
United States University of Wisconsin Madison Wisconsin

Sponsors (2)

Lead Sponsor Collaborator
University of Wisconsin, Madison Meriter Foundation

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary To evaluate the correlation between retinal function and neurodevelopmental outcomes The least absolute shrinkage and selection operator technique will be utilized to determine whether ERG measures predict neurodevelopmental outcomes Through 30 months of life
Primary To evaluate the correlation between retinal function and neuroimaging outcomes The least absolute shrinkage and selection operator technique will be utilized to determine whether ERG measures predict neuroimaging outcomes Within first 5 days of life
Primary To evaluate the correlation between visual cortical function and neurodevelopmental outcomes The least absolute shrinkage and selection operator technique will be utilized to determine whether VEP measures predict neurodevelopmental outcomes Through 30 months of life
Primary To evaluate the correlation between visual cortical function and neuroimaging outcomes The least absolute shrinkage and selection operator technique will be utilized to determine whether VEP measures predict neuroimaging outcomes Within first 5 days of life
Primary Compare ERG results between healthy babies and babies with HIE The ERG results from healthy babies will be compared to those of babies with HIE Within first 5 days of life
Primary Report Shape of the VEP results for healthy babies and babies with HIE The shape of the waveform will be reported as a categorical variable: sharp, slanted, blunt, or multiple peaks Within first 5 days of life
Primary Compare Amplitude of the VEP results between healthy babies and babies with HIE The amplitude will be reported as differences in microvolt responses between groups. Within first 5 days of life
Primary Compare Latency of the VEP results between healthy babies and babies with HIE The latency will be reported as differences in timing (measured in milliseconds) between groups. Within first 5 days of life
Primary Compare Transocular Shape, Amplitude, and Latency Difference of the VEP results between healthy babies and babies with HIE The Transocular Shape Difference will be reported as differences in shape between the two eyes compared across groups, reported as a categorical variable: sharp, slanted, blunt, or multiple peaks. Within first 5 days of life
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