Researchers find genome sequencing identified conditions missed by standard newborn screening programs that use common clinical laboratory tests
Interim results from a large ongoing pilot study suggest that genome sequencing of newborn children may be more effective than traditional clinical laboratory screening for detection of early-onset genetic conditions. The researchers also found that parents were highly receptive to the idea of performing the sequencing on their newborns.
“The results show us that genome sequencing can radically improve children’s medical care,” said study co-author Joshua Milner, MD, chief of allergy, immunology, and rheumatology services at NewYork-Presbyterian/Columbia University Irving Medical Center, in a Columbia University press release.
“Genome sequencing allows us to detect things that cause serious illness and take action to prevent those illnesses in a significant number of children, not just a few rare cases. It should be instituted as the next standard for newborn screening because it can detect so much more than current methods,” said study co-author Joshua Milner, MD (above), chief of allergy, immunology, and rheumatology services at NewYork-Presbyterian/Columbia University Irving Medical Center, in a press release. Study finding suggest genetic sequencing can be more effective than clinical laboratory screening tests for early detection of genetic disorders. (Photo copyright: Columbia University.)
GUARDIAN Study Details
For the pilot study, the researchers sought consent from 5,555 families, with 4,000 (72%) agreeing to participate. The babies studied were born between September 2022 and July 2023. At that time, the researchers screened for 156 treatable conditions. Parents could also choose to add a panel of 99 neurodevelopmental disorders that do not have treatments, but where “affected children may benefit from early intervention,” the press release notes.
The total—255 genetic tests—included the 50 conditions in the standard Newborn Screening Program as a quality control, principal investigator Wendy Chung, MD, PhD, told Healio.
Among the 4,000 participants, 147 children (3.7%) screened positive for one of the conditions. Further testing confirmed diagnoses in 120 children. “Only 10 of these children were detected through standard screening,” the Columbia press release states.
The vast majority—92 of 120 children—were diagnosed with glucose-6-phosphate dehydrogenase (G6PD) deficiency. “G6PD is not included in traditional screening but individuals with G6PD deficiency can have moderate to life-threatening reactions to certain foods and medications which can easily be prevented by avoiding them,” the press release notes.
Screening for Previously Unscreened Treatable Disorders
The New York State Department of Health mandates free Newborn Screening (NBS) in which a blood sample is collected for testing, generally 24 to 36 hours after birth. The test screens for 50 disorders.
Genome sequencing, however, “offers an additional method to improve screening for conditions already included in NBS and to add those that cannot be readily screened because there is no biomarker currently detectable in dried blood spots,” the GUARDIAN researchers wrote in JAMA.
In the GUARDIAN study, families planning to give birth at an NYP hospital can authorize the researchers to perform genome sequencing of the same dried blood spots to screen for additional pre-selected genetic conditions. At present, the study screens for more than 450 conditions, according to the study website.
“It would be prohibitive to screen for all these diseases with standard testing, but with genomic screening, there’s minimal extra cost when adding a condition,” said study co-author Jordan Orange MD, PhD, chair of pediatrics at Columbia University’s Vagelos College of Physicians and Surgeons and physician-in-chief of NewYork-Presbyterian’s Morgan Stanley Children’s Hospital, in the Columbia press release. “We can screen for treatable disorders that we never thought of screening for before.”
GeneDX, which performs the genomic sequencing for GUARDIAN, issued a press release in which it listed other conditions that are not part of the standard screening. These include Long QT syndrome, which the company described as “a rare heart condition that may cause Sudden Infant Death Syndrome (SIDS) and can be treated with beta-blockers.”
GUARDIAN also detected conditions that came up as false negatives in the standard screening, Chung told Healio. One baby had a genetic variant that causes severe combined immunodeficiency disorder (SCID), a rare and often-fatal condition. Chung said that the genomic sequencing identified the condition while the standard newborn screening missed it.
“We know that a bone marrow transplant is a cure for these children, but safety and success are the highest when the transplant occurs in the first few months of life, before the child starts developing infections or other symptoms,” Milner said in the Columbia press release. “Only because of the genomic screening were we able to identify this child in time.”
Excluding the G6PD cases, the positive screening rate was 0.6%, twice the rate of standard screening. As of last November, more than 12,000 babies had been enrolled in the study. The researchers hope to enroll 100,000.
Advances in Genomic Sequencing Bring Benefits to NBS
“In my practice, I’ve seen many patients who’ve spent years going from doctor to doctor with symptoms that no one can explain. But by the time they receive a diagnosis, the window to best manage the disease has usually passed,” said Chung in the Columbia University press release.
Looking ahead, Chung told Healio that she’d like to expand outside of New York, “in part for generalizability to demonstrate that this is something that could be done with our national public health newborn screening system.”
She’d also like to cut the turnaround time from the current three weeks to one week, she said. And she’d like to drive down the cost.
“Families and pediatricians don’t need to go through those diagnostic odysseys anymore with the genomic technology we now have. We can make the diagnosis at birth,” she said.
The GUARDIAN study shows how advances in genetic testing are moving fast enough that the point has been reached where the classic clinical laboratory methodologies for newborn screening used for decades are becoming outmoded because of the superior performance/cost of genome sequencing.
Since the pandemic began, federal investigators are specifically looking for patterns of fraud in Medicare claims data for COVID-19 clinical laboratory testing
Last month, the federal Department of Health and Human Services (HHS) Office of Inspector General (OIG) announced it had been investigating trends in Medicare claims data that could indicate patterns of fraud in the billing for COVID-19 clinical laboratory tests, Modern Healthcare reported.
Stretching back to at least March, fraudulent actors offering fake SARS-CoV-2 tests have preyed on vulnerable Americans in a wide variety of ways during the public health emergency, according to published reports. Some scam operators have gone into nursing homes and long-term care facilities to collect cash from unsuspecting elders in exchange for swab collections and phony testing, the New York Times reported.
Since the declaration of the public health emergency in the US, the federal Centers for Medicare and Medicaid Services (CMS) no longer requires a lab test requisition signed by a treating physician or other provider for COVID-19 testing. “The strong demand for and limited supply of SARS-CoV-2 tests, along with the move by CMS to relax rules for certain test orders during the pandemic, makes the situation a potentially ripe one for fraud,” Modern Healthcare stated.
Plus, a lack of clarity about the medical necessity of COVID-19 tests could raise the liability risk for law-abiding clinical laboratories. All of these factors make COVID-19 testing fraud a potential bombshell for clinical laboratories conducting coronavirus testing that may get caught up in federal investigations.
Feds Step Up Enforcement
Shortly after the pandemic arrived in the US, the FBI, the Better Business Bureau (BBB), the FDA, the federal Department of Health and Human Services (HHS), and other federal and local authorities have frequently warned doctors, hospitals, and healthcare consumers about the potential for fraud by unscrupulous companies purporting to offer legitimate clinical laboratory testing for COVID-19. A June 26 FBI press release stated, “Scammers are marketing fraudulent and/or unapproved COVID-19 antibody tests, potentially providing false results.”
Some of the fraudsters behind these scams have operated online and through social media and email. While others have conducted these scams in person or over the phone, noted the press release.
And yet, despite the warnings, the scams and news articles about them have continued to spread throughout the COVID-19 pandemic.
Various Forms of Fraud and Their Consequences
In many of these scams, fraudsters seek to collect consumers’ personal information, including names, dates of birth, and Social Security numbers, as well as other forms of personal health information, such as Medicare or private health insurance data, the FBI reported. Scammers can use that information in medical insurance fraud schemes or to commit identity theft, the agency added.
Additionally, any fake or inaccurate COVID-19 tests or assays that the FDA has not allowed for use could provide doctors with false results, potentially creating a dangerous situation for patients.
The New York Times (NYT) recently reported that the FBI had issued a warning “about scammers who advertise fraudulent COVID-19 antibody tests as a way to obtain personal information that can be used for identity theft or medical insurance fraud.”
Three days after the FBI issued its warning about the COVID-19 antibody testing scam, the BBB added an alert to its website: “BBB Scam Alert: Want a COVID-19 test? There’s a scam for that.” BBB also provided advice to consumers about how to avoid testing scams.
On June 17, the FDA reported that it issued warning letters to three companies for marketing adulterated and misbranded COVID-19 antibody tests, stated an FDA news release. The agency sent warning letters to:
In the FDA’s announcement, Jeff Shuren, MD, JD (above), Director of the FDA’s Center for Devices and Radiological Health, said “When tests are marketed inappropriately, with inaccurate or misleading claims—such as the ability to perform the test completely at home, or that the test is authorized, cleared, or approved when it is not—they put the health of Americans at risk. Such conduct will not be tolerated by the FDA, and we will continue to monitor tests marketed in the US, taking appropriate action as warranted.” (Photo copyright: The Food and Drug Administration.)
Scams Reported Just in April
On April 17, the New York Times reported that a special agent with the HHS OIG noted that impostors seeking Medicare or Medicaid information posed as doctors or laboratory technicians to offer fake tests in nursing homes and assisted living facilities.
Earlier in April, The Texas Tribune reported that the owner of a freestanding emergency room in Laredo, Texas, spent $500,000 to buy 20,000 rapid COVID-19 tests for patients suspected of having COVID-19. Health officials in Laredo planned to establish a drive-through testing site and then administer tests that came from a manufacturer in China to detect active infections. After trying to validate the tests, city health officials found they were unreliable and unusable.
An April 9 report from the news department of the AARP (American Association of Retired Persons) stated that federal officials have found fake coronavirus testing sites in many states, including Alabama, Arizona, Florida, Georgia, Kentucky, New York, and Washington state.
The FBI, according to AARP, investigated several fake test sites in Louisville, Ky., after a city official reported that people in personal protective equipment (PPE) were collecting biological specimens from residents. Those seeking tests were told to pay $240 in cash or give their Medicare, Medicaid, or Social Security cards to verify their identity.
Fake drive-up testing sites were reported at gas stations and other locations in Louisville over a four-day period, the AARP reported.
On April 2, WRGB TV in Albany, N.Y., reported that scammers pretending to be from the New York State Department of Health (NYSDOH) were taking money and insurance information from people in exchange for fake coronavirus tests. One woman told police she got a fake test at a drive-up site in a Little League parking lot.
North Greenbush police said the scammers identified themselves as being with NYSDOH and collected money and insurance information from multiple people. Police and state officials said the DOH had no connection to the collection site in the parking lot.
Lessons for Lab Directors
For clinical laboratory directors and all clinical lab scientists, the lesson from these stories is to be wary of strangers offering COVID-19 testing, while also making certain to post information for customers about the legitimacy of your lab’s COVID-19 rapid molecular and serological tests. Doing so might involve providing proof that the FDA has allowed your tests to be used for the coronavirus.
Also, medical laboratories should ensure that all employees collecting specimens in public places display proper identification.
Funded by both for-profit and not-for-profit organizations, this new gene sequencing center is preparing to offer its first genetic tests for use in patient care
Next-generation gene sequencing for clinical diagnostic applications is moving forward at the New York Genome Center (NYGC). Located in New York City, the center is designed to be a genetic medicine technology incubator and has funding from a number of for-profit and not-for-profit sources.
For pathologists and medical laboratory administrators, this creation and operation of this independent sequencing center is a notable development. It shows the willingness of different organizations to come together and fund a collaborative venture to advance exome sequencing and whole-genome sequencing for clinical purposes.
There will be more focused lab testing and public reporting of sepsis results as New York State addresses growing problem following death of 12-year-old boy.
New York State will implement tougher standards for the diagnosis and treatment of sepsis in hospitals. One consequence is expected to be more medical laboratory testing for patients suspected of having sepsis.
It may also mean that clinical laboratory test results will get increased scrutiny by physicians who, under the new requirements, must become faster at making an accurate diagnosis of sepsis. These developments were announced by New York Governor Andrew M. Cuomo in his State of the State message on January 9. (more…)
Mobile testing truck makes DNA testing approachable and accessible to the community while competing with established clinical laboratories
You may have seen recent news coverage of a van cruising the streets of New York City that was offering on-the-spot DNA testing with signs plastered on sides reading “Who’s Your Daddy”—“DNA Testing.” Certainlyany passing pathologist or clinical chemist might do a double take.
According to abc News coverage of the story, passersby can hail the 28-foot recreational vehicle to have their DNA tested. Of course, no testing is performed in the mobile van. Rather, a technician collects a sample from the customer, packages it, and sends it to a laboratory in Ohio for testing. Results come back in three to five days. Prices for the testing service start at $299. (more…)
