Early Identification of Fragile X Syndrome through Expanded Newborn Screening

Katherine C Okoniewski1, Anne C Wheeler2, Stacey Lee3

  • 1RTI International, Research Triangle Park, NC 27709-2194, USA. kokoniewski@rti.org.

Brain Sciences
|January 6, 2019
PubMed

Insights

Early identification of fragile X syndrome (FXS) is crucial for effective intervention. A new research program, Early Check, explores voluntary newborn screening to overcome current diagnostic delays.

Area of Science:

  • Genetics
  • Developmental Pediatrics
  • Public Health

Background:

  • Fragile X syndrome (FXS) research has advanced understanding but diagnosis remains delayed.
  • Current average age of FXS diagnosis is 3 years, hindering early intervention.
  • Interventions for FXS are most effective when initiated shortly after birth.

Purpose of the Study:

  • To evaluate the feasibility and impact of newborn screening for fragile X syndrome.
  • To address barriers preventing FXS inclusion in standard newborn screening panels.
  • To gather data on recruitment, enrollment, testing, and follow-up for FXS newborn screening.

Main Methods:

  • Implementation of a voluntary, research-based newborn screening program for FXS called Early Check in North Carolina.
  • Addressing challenges identified in previous pilot studies.
  • Ongoing data collection on program logistics and outcomes.

Main Results:

  • The Early Check program is actively collecting data on the implementation of voluntary FXS newborn screening.
  • Insights are being gained into the practicalities of screening, including recruitment and lab testing.
  • The program aims to demonstrate the feasibility and potential impact of early FXS detection.

Conclusions:

  • Early Check offers a novel approach to facilitate earlier identification of fragile X syndrome through newborn screening.
  • The program provides a platform for continued research into the benefits of early FXS diagnosis and intervention.
  • Addressing current barriers is key to integrating FXS screening into routine newborn care.

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