Scientists Plan Sequencing for Tens of Thousands of Newborns as Testing Could Reach Millions
Updated
Updated · The New York Times · Jun 22
Scientists Plan Sequencing for Tens of Thousands of Newborns as Testing Could Reach Millions
2 articles · Updated · The New York Times · Jun 22
Summary
Scientists worldwide are preparing to sequence tens of thousands of infants to test whether genome screening can be offered routinely to millions of babies at birth.
Cheaper, more widely available genetic testing is driving the push beyond current heel-prick newborn screens, which now check only a few dozen serious conditions.
Broader sequencing could flag disorders such as hemophilia earlier, letting families and doctors take precautions before a first medical crisis and sometimes start preventive treatment.
The expansion also raises ethical questions over which findings to report, especially for conditions that are untreatable, still in trials or may never develop despite a genetic signal.
That debate could reshape the long-standing standard that newborn screening should focus on childhood diseases for which early treatment clearly improves outcomes.
Is knowing your child's genetic blueprint a medical breakthrough or an unbearable burden?
A baby's genetic code is sequenced at birth. Who truly owns this data for life?
Scaling Genomic Newborn Screening: Clinical, Economic, and Ethical Insights from Global Pilot Programs
Overview
Newborn bloodspot screening (NBS) has evolved over sixty years from detecting a single severe childhood genetic disease to identifying up to 80 such diseases in millions of newborns each year. However, there is still a large gap between what current NBS can do and its full potential to improve healthcare for these conditions. Today, effective treatments exist for as many as 2000 severe childhood genetic diseases, and nearly all of them can be identified through bloodspot genome sequencing. This has led to the goal of supplementing traditional NBS with genome sequencing-based screening, marking the start of a new era for early detection and better outcomes.