Cited by 229Genomics and Rare DiseasesMetabolism and Genetic DisordersConnective tissue disorders research

The NSIGHT1-randomized controlled trial: rapid whole-genome sequencing for accelerated etiologic diagnosis in critically ill infants.

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Petrikin, Josh E., Cakici, Julie A., Clark, Michelle M., Willig, Laurel K., Sweeney, Nathaly M., Farrow, Emily G., Saunders, Carol J., Thiffault, Isabelle +10 more·2018·npj Genomic Medicine

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Abstract

Genetic disorders are a leading cause of morbidity and mortality in infants in neonatal and pediatric intensive care units (NICU/PICU). While genomic sequencing is useful for genetic disease diagnosis, results are usually reported too late to guide inpatient management. We performed an investigator-initiated, partially blinded, pragmatic, randomized, controlled trial to test the hypothesis that rapid whole-genome sequencing (rWGS) increased the proportion of NICU/PICU infants receiving a genetic diagnosis within 28 days. The participants were families with infants aged <4 months in a regional NICU and PICU, with illnesses of unknown etiology. The intervention was trio rWGS. Enrollment from October 2014 to June 2016, and follow-up until November 2016. Of all, 26 female infants, 37 male infants, and 2 infants of undetermined sex were randomized to receive rWGS plus standard genetic tests ( n = 32, cases) or standard genetic tests alone ( n = 33, controls). The study was terminated early due to loss of equipoise: 73% (24) controls received genomic sequencing as standard tests, and 15% (five) controls underwent compassionate cross-over to receive rWGS. Nevertheless, intention to treat analysis showed the rate of genetic diagnosis within 28 days of enrollment (the primary end-point) to be higher in cases (31%, 10 of 32) than controls (3%, 1 of 33; difference, 28% [95% CI, 10–46%]; p = 0.003). Among infants enrolled in the first 25 days of life, the rate of neonatal diagnosis was higher in cases (32%, 7 of 22) than controls (0%, 0 of 23; difference, 32% [95% CI, 11–53%]; p = 0.004). Median age at diagnosis (25 days [range 14–90] in cases vs. 130 days [range 37–451] in controls) and median time to diagnosis (13 days [range 1–84] in cases, vs. 107 days [range 21–429] in controls) were significantly less in cases than controls ( p = 0.04). In conclusion, rWGS increased the proportion of NICU/PICU infants who received timely diagnoses of genetic diseases.

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Authors
Petrikin, J. E., Cakici, J. A., Clark, M. M., Willig, L. K., Sweeney, N. M., Farrow, E. G., Saunders, C. J., Thiffault, I., Miller, N. A., Zellmer, L., Herd, S. M., Holmes, A. M., Batalov, S., Veeraraghavan, N., Smith, L. D., Dimmock, D. P., Leeder, J. S., & Kingsmore, S. F.
Affiliations
  • Children's Mercy Hospital (US)
  • Rady Children's Institute for Genomic Medicine (US)
  • University of California San Diego (US)
  • University of North Carolina at Chapel Hill (US)
Corresponding author
Kingsmore, Stephen F.
Venue
npj Genomic Medicine
Published
2018-02-09
Volume
3
Issue
1
Pages
6-6
ISSN
2056-7944 (ISSN-L)
OpenAlex
W2949506289
Cited by
229
References
67
Citations by year
2026: 16 · 2025: 26 · 2024: 26 · 2023: 26 · 2022: 37 · 2021: 21 · 2020: 34 · 2019: 30 · 2018: 12 · 2012: 1
FWCI
14.87
Type
journal article
Language
en
Open access
Locations
  • npj Genomic Medicine (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Human Genome Research Institute
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (U19HD077693)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Connective tissue disorders research
Keywords
rapid whole genome sequencing, trio sequencing, genetic diagnosis, critically ill infants, neonatal intensive care, pediatric intensive care, etiological diagnosis, time to diagnosis, genetic disorders

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