Hypoxic-Ischemic Encephalopathy Clinical Trial
Official title:
Visual Function as a Novel Outcome Measure Following Neonatal Hypoxic Ischemic Encephalopathy
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.
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 |
Country | Name | City | State |
---|---|---|---|
United States | University of Wisconsin | Madison | Wisconsin |
Lead Sponsor | Collaborator |
---|---|
University of Wisconsin, Madison | Meriter Foundation |
United States,
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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