In an informal Request for Information (RFI), the Center for Medicare and Medicaid Innovation (CMMI) sought feedback on a “new direction to promote patient-centered care and test market-driven reforms that empower beneficiaries as consumers, provide price transparency, increase choices and competition to drive quality, reduce costs, and improve outcomes.”
CMS to ‘Move Away’ from Engineering Healthcare ‘From Afar’
Comments from healthcare providers, clinicians, states, payers, and stakeholders were accepted through November 20, 2017.
In a Wall Street Journal (WSJ) op-ed, CMS Administrator Seema Verma explained the agency’s process moving forward. “We will move away from the assumption that Washington can engineer a more efficient healthcare system from afar—that we should specify the processes healthcare providers are required to follow,” she wrote.
CMS Administrator Seema Verma (above) plans to lead the Center for Medicare and Medicaid Innovation “in a new direction” and may be signaling a willingness to give providers more flexibility with value-based care payment models for Medicare services. (Photo copyright: Healthcare Dive.)
The RFI states the new model design will follow six guiding principles:
1. Choice and competition in the market;
2. Provider choice and incentives;
3. Patient-centered care;
4. Benefit design and price transparency;
5. Transparent model design and evaluation; and,
6. Small scale testing.
Providers Need Freedom to Design New Approaches to Healthcare
Verma said CMS plans to review all Innovation Center models to determine “what is working and should continue, and what isn’t and shouldn’t.” She voiced concern that the complexity of some of the current models may have encouraged consolidation in the healthcare system, resulting in fewer choices for patients.
“We must shift away from a fee-for-service system that reimburses only on volume and move toward a system that holds providers accountable for outcomes and allows them to innovate,” Verma wrote in the WSJ op-ed. “Providers need the freedom to design and offer new approaches to delivering care. Our goal is to increase flexibility by providing more waivers from current requirements.”
Actual Progress of Value-based Healthcare ‘Herky-Jerky’
However, Neil Smiley, CEO of Loopback Analytics, which assists healthcare organizations with managing outcome-based care, believes the transition to value-based care may face stiffer headwinds under the new administration. He points to an August CMS proposal that canceled some mandatory bundled payment programs and scaled back others as an indication that healthcare transformation could be slowing.
“The pace at which CMS committed to rolling out value-based care is fundamentally different from the pace we’re currently seeing,” he told Health IT. “The progress toward value-based care, instead of this steady momentum they expected, is more of a herky-jerky fashion.”
The Health Care Transformation Task Force (HCTTF), a 42-member industry consortium, was among the stakeholders who responded to CMS’ RFI. In a 22-page letter, the task force reiterated its support for the healthcare system’s transformation to value-based payment and care delivery, while outlining areas for improvements. The group urged CMS to continue to develop new models while modifying, rather than abandoning, existing models that show promise and need time to achieve a lasting return.
“We would like CMS to continue support for promising models while balancing the current portfolio with new, innovative payment models,” Clare Wrobel, Director of Payment Reform Models at HCTTF, told Home Health Care News. “[But] it would be a mistake to discard current models that providers have already invested in and are showing real promise.”
Smiley, meanwhile, suggests clinical laboratory managers, pathologists, and other healthcare providers keep watch as healthcare transformation continues to evolve.
“The fee-for-service model, love it or hate it, is not dying. The organism has adapted,” he told Health IT. “For those that were aggressive early adopters of value-based care and really believed what they were hearing, and have gone fully after value-based care, some of them may feel a little exposed. If they go too hard too fast, they may suffer economically if they misjudge the pace at which this moves.”
Research published in JAMA Pediatrics reports that non-invasive salivary microRNA testing identifies prolonged concussion symptoms with 85% accuracy
Sports-related concussions are always tragic, but doubly so when they involve child athletes. Quick diagnoses and treatments are critical to prevent permanent brain injury. But doctors are often hampered by the pace at which traditional medical imaging modalities and clinical laboratory diagnostic technologies provide crucial feedback.
Now, researchers at Penn State Health Children’s Hospital have determined that microRNA in saliva could be used as biomarkers in point-of-care concussion testing during sports events, according to a Penn State Health news release. Such sideline saliva analyses could provide quick feedback to field doctors on whether a head injury is serious enough to put injured athletes out of play, and how long the effects of such injuries might last. But is it accurate?
Jeremiah J. Johnson, MA, BS, Department of Pediatrics, at Penn State College of Medicine in Hershey, Pa., et al, recently published a study in the Journal of the American Medical Association (JAMA) Pediatrics that evaluated the ability of salivary microRNA to identify concussion in children. The salivary test of microRNA levels, Johnson and colleagues argued, does accurately identify the “duration and character of concussion symptoms.” According to the researchers, the test demonstrated high prognostic potential as a “toolset for facilitating concussion management” and may provide an additional biomarker source for use in clinical laboratory testing.
MicroRNA Offers New Biomarkers for Concussion Diagnosis
The study tested the saliva of 52 adolescents with a clinical diagnosis of mild traumatic brain injury in the form of concussion for specific microRNA expressions. Researchers identified five microRNA molecules which “accurately identify” patients with concussion symptoms. Three of those molecules served to diagnose specific symptoms of headache, fatigue, and memory difficulties up to one month after injury with low false detection rates. Because these microRNA molecules are not specific to children, could the test maintain diagnostic accuracy for patients of all ages?
Meehan and Mannix also remarked on the speed and relative ease of obtaining saliva samples, stating that “salivary microRNAs could also offer insights into the underlying biological mechanisms of injuries, potentially identifying specific targets to modify disease.”
More Accurate than Current Concussion Diagnosis Tools
There has been a marked interest in microRNA analysis and testing in recent years. MicroRNA analysis and testing has found use in cancer prognosis and personalized medicine that help predict responses to specific treatments for individual patients with a variety of chronic diseases. The news that microRNA can be used to predict concussion and duration of symptoms further solidifies the role microRNA may play in medical laboratory testing in the near future.
In an interview with CNN, Steve Hicks, MD, PhD, senior author of the JAMA Pediatrics research article and Assistant Professor of Pediatrics at Penn State College of Medicine, reported that the salivary microRNA test predicted concussion with 85% accuracy in comparison to current clinical survey measures, which are “approximately 65% accurate.” Hicks added that “the technology required to measure saliva RNA is already employed in medicine” as a common means of testing for upper respiratory viruses and that “modifying this approach for patients with concussions could potentially provide a rapid, objective tool for managing brain injury.”
Currently the Standard Concussion Assessment Tool, Third Edition (SCAT 3), which includes a series of cognitive and physical tests, is used on sports sidelines to detect concussion symptoms. Hicks notes that one problem with SCAT 3 is that “an athlete may have a concussion even if [his or her] score is ‘normal.’” Therefore, the microRNA saliva test could provide objective evidence of concussion in patients SCAT 3 fails to accurately diagnose.
Steven D. Hicks, MD, PhD (above), led the research team that studied the use of microRNA in saliva, rather than in blood, as a biomarker to identify concussions symptoms in children, and determine how long effects of the injury might last. (Photo copyright: Penn State Health.)
Too Early to Know How Helpful the Test May Be?
In the same CNN interview, Neurologist Jeffery Kutcher, MD, head of the Sports Neurology Clinic at The Core Institute in Brighton, Mich., stated that the Penn State study’s findings were “promising” and that “work like this is important because it does provide potential for tests that can be helpful in the clinical setting.” Kutcher cautioned however, that it was “too early to know what this type of tool can do for us.”
In an NPR article, Manish Bhomia, M.Eng., PhD, a brain injury researcher with the Uniformed Services University of the Health Sciences commented that “a saliva test could greatly improve care for young people who don’t have obvious symptoms of a concussion.” Bhomia stated that “micro-RNAs offer a promising way to assess concussions in adults as well as children,” but he is wary to laud saliva tests as the best method of measuring relevant microRNA molecules. Bhomia states that blood samples “which tend to contain greater numbers of the genetic fragments” are perhaps a better option.
Hicks disagrees. In an article from Penn State News, Hicks stated that the novel aspect of this study was that it focused on microRNA levels “in saliva rather than blood.” Thus, a test based on saliva, rather than a phlebotomy stick or more invasive blood testing, requires no need for venous blood.
“The ultimate goal is to be able to objectively identify that a concussion has happened and then predict how long the symptoms will go on for,” Hicks noted in the Penn State News article. “Then, we can use that knowledge to improve the care that we provide for children who have concussions, either by starting medicine earlier or holding them out of activities for longer.”
Quadrant Biosciences, a biotech company in Syracuse, N.Y., that helped fund the study, is hoping to “bring a saliva test for concussion to market in the next 12 to 24 months,” according to Hicks in his CNN interview. If development proceeds as planned, the saliva test could prove a “game changer” for sports medicine diagnostics and possibly open new avenues for related microRNA in clinical laboratory testing.
Research goal was to isolate circulating tumor cells in venipuncture samples with improved purity compared to standard spiral chips
Many research teams are pursuing the goal of creating assays that detect circulating tumor cells (CTCs) that would allow earlier and more accurate diagnosis of cancer. Now comes news of a unique technology developed at the University of Michigan (U-M) Ann Arbor that showed promised in an early study.
The method of using CTCs to diagnose cancer in patients, while further analyzing specific characteristics of a given cancer case, shows promise as an innovative tool for clinical laboratories and oncologists. However, current approaches face challenges when it comes to proving accuracy and establishing thresholds that might indicate the need for further action.
Researchers at U-M believe they may have solved that problem. They created “Labyrinth,” a “label-free microfluidic device” that condenses 637mm of channels—including 11 loops and 56 corners—onto a 500μm-wide chip that uses inertia and Dean flow to separate white blood cells and CTCs from venipuncture samples at rates as high as 2.5ml per minute. These results improve upon the traditional spiral chip design.
Publishing their findings in Cell Systems, first author of the study Eric Lin, PhD, noted, “With the recent advances in tools for genomic characterization, it is more compelling than ever to look at the tumor heterogeneity to understand tumor progression and resistance to therapies. The Labyrinth device enabled high yields of CTCs without the bias induced by antibody-based selection, allowing the identification of true biological tumor heterogeneity.”
The graphic above, taken from the University of Michigan study, demonstrates the “High-throughput and label-free Labyrinth device that enables single CTC isolation and gene expression characterization.” According to the researchers, “Labyrinth offers a cell-surface marker-independent single-cell isolation platform to study heterogeneous CTC subpopulations.” The U-M study shows promise in creating tools for oncologist and clinical laboratory cancer treatment. (Image copyright: University of Michigan/Cell Systems.)
Challenges in the Isolation of CTCs
The Labyrinth chip is not the first device to assist in isolating CTCs. The U-M study notes that while immune-affinity capture is a validated approach to prognosis, therapeutic monitoring and molecular diagnostics, it does not work with all cancer cases. The researchers also note the method creates challenges in single-cell analysis later.
Existing label-free methods of isolation, such as deterministic lateral displacement, microfluidic flow fractionation, and acoustic-based separation, avoid these concerns but face issues of their own. The researchers noted, “Issues encountered with these approaches include pore clogging, high-pressure drop, pre-fixation to prevent CTC loss, low throughput, and excessive non-specific cell retention.”
The researchers further clarified that a major factor separating the Labyrinth chip from other methods is the ability to identify CTC subpopulations without the need for manual selection based on positive or negative protein expression. Thus, improving the ability to conduct further single-cell analysis from the results. Testing of the Labyrinth chip involved a variety of cancer cell lines, including:
· Human breast (MCF-7);
· Pancreatic (PANC-1);
· Prostate (PC-3); and,
· Lung (H1650).
And while standard spiral chips are already a common method for conducting size-based sorting, the purity of results is less than ideal with thousands of other cells remaining in the sample.
The researchers reported that the Labyrinth chip recovered 91.5% (plus or minus 0.9%) of cancer cells and removed 91.4% (plus or minus 3.3%) of white blood cells in a spiked buffer test.
“Bigger cells, like most cancer cells, focus pretty fast due to the curvature. But the smaller the cell is, the longer it takes to get focused,” Sunitha Nagrath, PhD, Associate Professor of Chemical Engineering and a lead developer of the Labyrinth chip, stated in a U-M news release. “The corners produce a mixing action that makes the smaller white blood cells come close to the equilibrium position much faster.”
Labyrinth also supports a series configuration of multiple chips. While testing two chips in series, researchers noted “a two-log improvement in tumor cell enrichment over the single Labyrinth.” They claim this is a higher purity than other label-free methods they studied, while adding only five minutes to processing times.
Sunitha Nagrath, PhD (above), is an Associate Professor of Chemical Engineering at the University of Michigan, and one of the lead developers of the Labyrinth chip. “You cannot put a box around these cells,” she noted in the U-M news release. “The markers for them are so complex, there is no one marker we could target for all these stages.” (Photo copyright: University of Michigan.)
Current Testing Using the Labyrinth Chip
The chip is already in use in a clinical trial for an aggressive form of breast cancer by Max Wicha, MD, Madeline and Sidney Forbes Professor of Oncology, Founding Director Emeritus, University of Michigan Comprehensive Cancer Center, and co-author of the Cell Systems study, who lead the study along with Nagrath.
The trial involves the attempted activation of adult system cells by blocking the signaling molecule interleukin-6. Wicha suspects the molecule enables cancer stem cells as well. “We think that this may be a way to monitor patients in clinical trials,” he said in the U-M news release. “Rather than just counting the cells, by capturing them, we can perform molecular analysis [to] know what we can target with treatments.”
The news release further highlights how this chip is specifically suited to such a task. As cancer stem cells transition from stem-like cells to more ordinary cell types, their gene expression shifts as well. This creates an issue when using conventional cell targeting. Nagrath notes this concern, stating, “The markers for [cancer stem cells] are so complex, there is no one marker we could target for all these stages.”
The Labyrinth chip shows potential for overcoming one of the biggest hurdles to leveraging CTCs to diagnose cancers and develop personalized therapies. Currently, the chip can output to Fluidigm, DEPArray by Silicon Biosystems, and RainDance Technologies’ RainDrop Digital PCR System.
The U-M researchers hope that future research will yield additional applications and compatible systems to further improve the ability for medical laboratories to use CTCs in the early detection and monitoring of cancer cases.
Researchers are discovering numerous ways the expanding field of metabolomics could transform the future of healthcare. However, to fully exploit the potential of human metabolome, developers must choose from various approaches to research.
“The metabolites we’re dealing with have vast differences in chemical properties, which means you need multi-platform approaches and various types of instrumentation,” James MacRae, PhD, Head of Metabolomics at the Francis Crick Institute in London, told Technology Networks. “We can either use an untargeted approach—trying to measure as much as possible, generating a metabolic profile—or else a more targeted approach where we are focusing on specific metabolites or pathways,” he added.
A multi-platform approach means different diagnostic technologies required to assess an individual’s various metabolomes, which, potentially, could result in multi-biomarker assays for medical laboratories.
Measuring All Metabolites in a Cell or Bio System
Metabolomics is the study of small molecules located within cells, biofluids, tissues, and organisms. These molecules are known as metabolites, and their functions within a biological system are cumulatively known as the metabolome.
Metabolomics, the study of metabolome, can render a real-time representation of the complete physiology of an organism by examining differences between biological samples based on their metabolite characteristics.
“Metabolomics is the attempt to measure all of the metabolites in a cell or bio system,” explained MacRae in the Technology Networks article. “You have tens of thousands of genes, of which tens of thousands will be expressed—and you also have the proteins expressed from them, which will then also be modified in different ways. And all of these things impact on a relatively small number of metabolites—in the thousands rather than the tens of thousands. Because of that, it’s a very sensitive output for the health or physiology of your sample.
“With that in mind, metabolomics has great potential for application in most, if not all, diseases—from diabetes, heart disease, cancer, HIV, autoimmune disease, parasitology, and host-pathogen interactions,” he added.
The graphic above is taken from a study published in the Journal of the American College of Cardiology (JACC). It notes, “State-of-the-art metabolomic technologies give us the ability to measure thousands of metabolites in biological fluids or biopsies, providing us with a metabolic fingerprint of individual patients. These metabolic profiles may serve as diagnostic and/or prognostic tools that have the potential to significantly alter the management of [chronic disease].” (Image and caption copyright:Journal of the American College of Cardiology.)
There are four major fields of study that are collectively referred to as the “omics.” In addition to metabolomics, the remaining three are:
• Genomics: the study of DNA and genetic information within a cell;
• Proteomics: the large-scale study of proteins; and,
Researchers caution that metabolomics should be used in conjunction with other methods to analyze data for the most accurate results.
“Taking everything together—metabolic profiling, targeted assays, label incorporation and computational models, and also trying to associate all of this with proteomics and
genomics and transcriptomic data—that’s really what encapsulates both the power and also the challenges of metabolomics,” MacRae explained.
Metabolome in Precision Medicine
Metabolomics may also have the ability to help researchers and physicians fine-tune therapies to meet the specific needs of individual patients.
“Our genome is generally static and says what might happen in the future. And the metabolome at the other end is the opposite—very dynamic, saying what just happened or could be about the happen,” Dunn explained. “So, we could apply it to identify prognostic biomarkers, for example, to predict if someone is at greater risk of developing diabetes five to ten years from now. And if you know that, you can change their lifestyle or environment to try and prevent it.”
Metabolomics continues to tap the many diagnostic possibilities posed by the human metabolome. And, the resulting human biomarkers derived from the research could result in a rich new vein of medical laboratory assays.
Operations ended last week after reports suggested the end came as a result of misalignment of goals among investors in a lab company many considered to be successful
One contributing factor the surprise announcement that the owners of Claritas Genomics were closing the clinical laboratory company may have been the struggle to get payers to reimburse its genetics test claims. If true, it is the latest market sign of how health insurers are making it difficult for labs to get paid for proprietary molecular diagnostic assays and genetic tests.
With no official announcement, Claritas Genomics quietly ended operations effective on Friday, Jan. 19. That evening, a spokeswoman for Claritas Genomics’ majority owner, Boston Children’s Hospital (BCH), confirmed for Dark Daily that the lab was closed and said no reason was given for the closing. More details may be forthcoming this week, she added.
As of the close of business on Tuesday, there was still no word from the genetics testing company founded in 2013. GenomeWeb was the first to report that Claritas Genomic’s diagnostic laboratories no longer do any testing. According to GenomeWeb, Brian Quirbach, former Clinical Testing Coordinator at Claritas Genomics, and part of the lab’s client services team, confirmed that the last day of business was Friday, Jan. 19. The BCH spokeswoman said the GenomeWeb article was accurate.
Asked if there had been a precipitating event at Claritas, if the company had experienced any serious business trouble, if it had struggled to get paid, or if payers were slow in paying, the spokeswoman declined to comment. Instead, she referred to the GenomeWeb article, saying it was mostly accurate.
Claritas Genomics a Casualty of Clinical Laboratory Price Wars
According GenomeWeb, Claritas was like other genetic testing laboratories that have long struggled to get health insurers to pay for rare disease tests. Also, Claritas and other genetic and molecular testing labs suffer financially as a direct result of the ongoing price wars among competing genetic testing lab companies.
“As a small company, it also wasn’t able to offer testing that did not come with potential patient payment obligations, which larger laboratories with better resources or payer contracts can do,” the GenomeWeb article noted.
According to GenomeWeb’s sources, Claritas had a reputation for delivering highly-accurate test results. The reason for this level of performance, the article noted, was Claritas’ use of two sequencing platforms, which lowered false-positive rates. The testing lab combined low false-positive rates with interpretations from WuXi NextCode. The clinical expertise available at BCH gave Claritas the best diagnostic exome in the industry in terms of technical quality and diagnostic power, one source told GenomeWeb.
The decision to close the company, the source noted, was a result of misalignment between investors at WuXi NextCode and BCH. Other sources speculated that Claritas and WuXi NextCode were considering a merger, which did not happen, GenomeWeb reported.
Ultimately, the source stated, BCH held the controlling interest and made the business decision to close the clinical laboratory company. And that the decision was unrelated to the lab’s quality.
Claritas’ clients were told, according to GenomeWeb, to download all test results and data by Thursday, Jan. 18, and that the lab’s operations manager would be available for a few weeks to answer customers’ questions.
Genetic Tests Developer for Pediatrics and Hereditary Disorders
Claritas, which was headquartered in Cambridge, Mass., had about 30 employees. When it was founded as a partnership between BCH and Life Technologies, its goal was to develop genetic and genomics-based diagnostic tests, primarily for pediatric patients with hereditary disorders.
In 2014, Dark Daily’s sister print publication The Dark Report (TDR) reported on the development of Claritas Genomics as an in-hospital lab that became independent. For 15 years, the lab operated as the genetic diagnostic laboratory at 396-bed BCH, we reported. (See The Dark Report, “Claritas Is Example of New Lab Business Model,” June 13, 2014.)
“As one of the hospital’s CLIA-certified laboratories, it provided the advanced molecular diagnostic testing services used by the hospital,” said Patrice M. Milos, PhD, who was Claritas Genomic’s CEO at the time.
At the 2014 Executive War College in New Orleans, Patrice Milos, PhD, then President and CEO, Claritas Genomics, spoke with Adam Slone, CEO, Slone Partners, about her path to becoming CEO of Claritas Genomics, how to foster a strong company culture, and what traits she looks for in a leadership team. Click on the photo above to watch the video interview. (Video copyright: Sloan Partners.)
In the early days of Claritas Genomics, BCH was challenged to provide the capital and resources needed for the molecular lab to grow, Milos said. “This was due to the rapid pace of genetic discovery, ongoing advances in gene sequencing technologies, and the difficult financial environment in healthcare,” she recalled. “Thus, to make it easier for the lab to grow, the hospital spun out the lab and created Claritas Genomics in February 2013.”
Informatics Tools to Support Clinical Use of Genetic Data
As an independent lab, Claritas had early success winning a role to do testing for the Million Veteran Program (MVP), a $9-million project of the US Department of Veterans Affairs. In October 2013, the lab company reported that it would do exome sequencing of samples from veterans. At the time, it was one of the largest sequencing initiatives in the nation. (The VA has since reported in 2016 that the program was the largest genomic database in the world.)
Further, this MVP was significant because Claritas benefited by generating cash flow, which it could use to acquire the gene sequencing system and staff expertise in next-generation sequencing (NGS) technologies. And, it developed the informatics infrastructure needed to collect, store, and analyze large volumes of genetic data, TDR reported.
Two months later, in December 2013, Claritas entered into a partnership with Cerner Corp. of Kansas City, Mo., to build the tools and connectivity systems needed to integrate NGS-based diagnostic testing into healthcare data systems. Specifically, the companies said they would develop a system “for molecular diagnostics that is tailored to NGS workflows, which are more complex and generate much more data than traditional molecular diagnostic tests.”
At the time, Milos explained the role that Claritas would play in this partnership. “In terms of this collaboration, one barrier to the use of genomics in medicine is the challenge of integrating the complex information derived from large-scale genomic measurements into a patient’s medical record and clinical practice,” he said. “Our mutual goal is to develop the informatics tools that support clinical use of genetic data.”
Claritas also was working with other pediatric institutions, such as Cincinnati Children’s Hospital, to advance clinical knowledge in a number of ways. “For example, we are facilitating a research network by connecting patients with experts who can provide care and by licensing assays from the hospitals where the discoveries that lead to diagnostic tests are made,” Milos said. “Also, in this business model, we can receive investment from outside sources, such as we have from two of our Series A investors, Life Technologies and Cerner.”
The abrupt closure of Claritas Genomics makes this clinical laboratory company the latest to disappear from the marketplace. The mystery factor in this case is why a company viewed by many as establishing a credible reputation for itself came to such a sudden end.
Lack of Medicare or third-party payer coverage for most genetic screening tests in healthy adults is not discouraging development of new gene testing products
With the global anatomic pathology genetic testing market poised to reach $9.8 billion by 2025, clinical laboratories continue to develop new genetic screening tests (rather than diagnostic tests) intended to help physicians identify patients who carry inherited genetic mutations that could put them or their future children at higher risk for chronic disease, such as cancer.
This is a bit of a gamble since (with some exceptions) Medicare and many health insurers typically will not pay for predictive and presymptomatic genetic tests and services used to detect an undiagnosed disease or disease predisposition.
Nevertheless, Inkwood Research of Gurugram, India, predicts in its “Global Genetic Testing Market Forecast 2017-2024” report that aging populations throughout the world will be the driving force producing “enormous opportunities for the global genetic testing market.” The research firm anticipates this will result in a 9.93% increase in annual sales revenue during each of the next seven years.
Screening versus Diagnostic Testing Gains Popularity Among Patients, Physicians
Genetic diagnostic testing promises to accelerate the growth of precision medicine by guiding the diagnosis and treatment of cancer and other chronic diseases. However, genetic tests that “screen” healthy patients for predispositions to certain diseases also are gaining traction in the marketplace.
“Consumers can now have direct access to certain genetic risk information,” Jeffrey Shuren, MD, Director of the FDA’s Center for Devices and Radiological Health, said in a press release. “But it is important that people understand that genetic risk is just one piece of the bigger puzzle, it does not mean they will or won’t ultimately develop a disease.”
Robert Green, MD, MPH, a Professor of Medicine at Harvard Medical School, told NPR that consumers should have access to genetic information. However, they also need to understand its limitations.
“Some people really want this [genetic] information on their own, and others want it through their physician,” Green said. “Both those channels are legitimate. People should just be aware that this information is complicated.”
According to the Inkwood Research report, “The global genetic testing market is anticipated to grow from $4,614 million in 2016 to $9,806 million by 2025, at a CAGR [Compound Annual Growth Rate] of 9.93% between 2017 and 2025. The important driver increasing growth in the global genetic testing market is an aging population on the rise. The rising geriatric population is driving the global genetic testing market to a significant level.” (Caption and graphic copyright: Inkwood Research.)
One example of genetic screening tests is the Quest Diagnostics (NYSE:DGX) QHerit Pan-Ethnic Expanded Carrier Screen, which offers couples the opportunity to test for 22 genetic diseases that could be passed on to their children, including:
“The United States is truly a melting pot, and it no longer makes sense for physicians to assume genetic screening is appropriate for an individual based on presumed race or ethnicity,” Felicitas Lacbawan, MD, Executive Medical Director, Advanced Diagnostics, Quest Diagnostics, stated in a press release. “QHerit is designed for any woman and her partner, not just those in a specific, so-called high-risk ethnic or racial group.”
Genetic Screening in Primary Care Helps Assess Risk for Chronic Disease
Genetic diagnostic test developer Invitae (NYSE:NVTA) also points to growing evidence of the genetic screening test’s value to healthy individuals. In September 2017, Invitae presented initial findings at the National Society of Genetic Counselors 36th Annual Conference. The study showed a retrospective analysis of 120 patients tested with a proactive genetic screening panel for healthy adults had revealed medically significant findings for nearly one in five patients.
“Interest among otherwise healthy adults in using genetic information to understand their risk of disease conditions continues to grow each year, ” Robert Nussbaum, MD, Chief Medical Officer of Invitae, said in a press release. “These and other data show that interest is well-placed, with a substantial group of patients showing genetic variants associated with elevated risk of diseases like cancer where monitoring and early intervention can be helpful. Use of genetic screening in the primary care setting can assess risk to help shape individual screening plans. We are continually adding tools and resources that help reduce barriers to the widespread use of genetic information in mainstream medical practice.”
Routine Genetic Screening Could Become Norm, CDC Says
The Centers for Disease Control and Prevention (CDC) notes that newborn screening is “currently the largest public health genetics program in the world,” with more than four million babies screened at birth each year for 30 or more genetic conditions. In the CDC’s “Genomics and Health Impact Blog,” the agency continues to maintain a “cautionary attitude about personal genomic tests” beyond the newborn period, directing those considering direct-to-consumer laboratory testing, such as 23andMe and MyMedLab, to “think before you spit.”
Nonetheless, the CDC acknowledges routine genetic screening of healthy people could become the norm. However, others advise caution.
“To be sure, while the use of genome sequencing is promising in certain clinical scenarios, such as rare diseases and cancer, we do not think that whole genome sequencing in the general population is appropriate at this time,” Muin J. Khoury, PhD, MD, Director, Office of Public Health Genomics, CDC, wrote in a January 30, 2017, blog post. “We would not recommend its use outside research studies … But it is also becoming clearer that as science progresses, we are discovering more opportunities for using genetic screening of healthy individuals for preventing common diseases across the lifespan, outside of the newborn screening context.”
The impact on clinical laboratories and anatomic pathology groups should genetic screening become normalized should be clear: Labs will be tasked with performing these tests, and pathologists will be needed to interpret them and educate both physicians and patients on the findings.
Before that, however, genetic screening tests will need to be fully supported by government, and insurers, including Medicare, will have to agree to pay for them.
