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The goal of this clinical trial is to test a new method for newborn screening using whole genome sequencing, called BeginNGS. Newborns who are not suspected of having genetic diseases and who are admitted to the NICU at Rady Children's Hospital, San Diego, will be enrolled. The main questions this study aims to answer are:
Enrolled newborns will have a blood sample taken and will receive three tests:
Newborn screening (NBS) by testing dried blood spots (DBS) identifies newborns with a few diseases for which effective treatments are available to enable treatment at or before symptom onset. Because NBS improves outcomes in these diseases, it is performed on almost all US babies. The current Federal recommended NBS list is limited to 35 conditions and identifies ~6,600 affected children per year. In genetic diseases not screened by NBS, however, outcomes remain poor because of delays in diagnosis and treatment. The investigators recently developed a system for NBS for 434 severe, childhood genetic diseases for which effective treatments are available using whole genome sequencing (WGS), called BeginNGS. Retrospective studies showed BeginNGS to have a true negative rate (specificity) of 99.7% and true positive rate (sensitivity) of 88.8%. The investigators now propose to undertake a first prospective study in newborns admitted to the Neonatal Intensive Care Unit (NICU) at Rady Children's Hospital, San Diego (RCHSD) to compare the sensitivity and specificity of BeginNGS with that of standard, diagnostic rapid whole genome sequencing (DWGS) and whole exome sequencing (WES). This study is in preparation for larger, future clinical trials.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Enrollees | Experimental | Enrolled infants will receive 3 tests (DWGS, BeginNGS, and WES). DWGS will be performed in a standard manner. BeginNGS and WES will be performed in a batch after completion of enrollment. The diagnostic sensitivity and specificity of BeginNGS and WES will be compared to DWGS (a standard clinical test compliant with the Clinical Laboratory Improvement Amendments Act). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Whole genome sequencing | Genetic | Standard diagnostic whole genome sequencing will be performed. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Proportion of enrolled infants who are diagnosed with a genetic disease by DWGS. | Proportion | 18 months |
| Measure | Description | Time Frame |
|---|---|---|
| Proportion of enrolled infants who are identified with a genetic disease by BeginNGS. | Proportion | 18 months |
| Proportion of enrolled infants who are identified with a genetic disease by WES. | Proportion |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Stephen Kingsmore, MD DSc | Rady Children's Institute for Genomic Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Rady Children's Hospital San Diego | San Diego | California | 92123 | United States |
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| ID | Term |
|---|---|
| D030342 | Genetic Diseases, Inborn |
| ID | Term |
|---|---|
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
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| ID | Term |
|---|---|
| D000073336 | Whole Genome Sequencing |
| ID | Term |
|---|---|
| D017422 | Sequence Analysis, DNA |
| D017421 | Sequence Analysis |
| D005821 | Genetic Techniques |
| D008919 | Investigative Techniques |
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Single group, multiple interventions. All enrollees receive all interventions.
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| BeginNGS test | Genetic | Genomic sequencing that screens for 434 genetic diseases. |
|
| WES | Genetic | Whole exome sequencing will be performed. |
|
| 18 months |
| Proportion of enrolled infants who have a positive standard NBS test. | Proportion | 18 months |
| Proportion of parents approached who agree to participate in the study. | Proportion | 18 months |
| Parental reasons for refusal. | Questionnaire | 18 months |
| Time from sample arriving in lab to return of DWGS results. | Time (days) | 18 months |
| Time from birth to return of DWGS results. | Time (days) | 18 months |
| Results of confirmatory testing if BeginNGS or WES identifies a diagnostic finding not reported by DWGS. | Proportion of findings confirmed | 18 months |