Children's National competes in STAT Madness for second consecutive year

WASHINGTON, March 4, 2019 /PRNewswire/ -- For the second consecutive year, Children's National Health System was selected to compete in STAT Madness, an annual bracket-style competition that chooses the year's most impactful biomedical innovation by popular vote. Children's entry, "Sensitive liquid biopsy platform to detect tumor-released mutated DNA using patient blood and CSF," leverages a powerful new technique to look at a patient's blood to better diagnose, monitor and treat an especially aggressive type of pediatric brain tumor.

In 2018, Children's first-ever STAT Madness entry advanced through five brackets in the national competition and, in the championship round, finished second. That innovation, which enables more timely diagnoses of rare diseases and common genetic disorders, helping to improve kids' health outcomes around the world, also was among four "Editor's Pick" finalists, entries that spanned a diverse range of scientific disciplines.

"Children's National researchers collaboratively work across divisions and departments to ensure that innovations discovered in our laboratories reach clinicians in order to improve patient care," says Mark Batshaw, M.D., Children's Executive Vice President, Chief Academic Officer and Physician-in-Chief. "It's gratifying that Children's multidisciplinary approach to improving the lives of children with brain tumors has been included in this year's STAT Madness competition."

Pediatric brain cancers are the leading cause of cancer-related death in children younger than 14. Children with tumors in their midline brain structures have the worst outcomes, and kids diagnosed with diffuse midline gliomas, including diffuse intrinsic pontine glioma, have a median survival of just 12 months.

"We heard from our clinician colleagues that many kids were coming in and their magnetic resonance imaging (MRI) suggested a particular type of tumor. But it was always problematic to identify the tumor's molecular subtype," says Javad Nazarian, Ph.D., MSC, a principal investigator in Children's Center for Genetic Medicine Research. "Our colleagues wanted a more accurate measure than MRI to find the molecular subtype. That raised the question of whether we could actually look at their blood to determine the tumor subtype."

Children's liquid biopsy, which remains at the research phase, starts with a simple blood draw using the same type of needle as is used when people donate blood. When patients with brain tumors provide blood for other laboratory testing, a portion of it is used for the DNA detective work. Just as a criminal leaves behind fingerprints, tumors shed telltale clues in the blood. The Children's team searches for the histone 3.3K27M (H3K27M), a mutation associated with worse clinical outcomes.

"With liquid biopsy, we were able to detect a few copies of tumor DNA that were hiding behind a million copies of healthy DNA," Nazarian says. "The blood draw and liquid biopsy complement the MRI. The MRI gives the brain tumor's ZIP code. Liquid biopsy gives you the demographics within that ZIP code."

Working with collaborators around the nation, Children's National continues to refine the technology to improve its accuracy. The multi-institutional team published findings online Oct. 15, 2018, in Clinical Cancer Research.

Even though this research technique is in its infancy, the rapid, cheap and sensitive technology already is being used by people around the globe.

"People around the world are sending blood to us, looking for this particular mutation, H3K27M, " says Lindsay B. Kilburn, M.D., a Children's neuro-oncologist, principal investigator at Children's National for the Pacific Pediatric Neuro-Oncology Consortium, and study co-author. "In many countries or centers, children do not have access to teams experienced in taking a biopsy of tumors in the brainstem, they can perform a simple blood draw and have that blood processed and analyzed by us. In only a few days, we can provide important molecular information on the tumor subtype previously only available to patients that had undergone a tumor biopsy."

"With that DNA finding, physicians can make more educated therapeutic decisions, including prescribing medications that could not have been given previously," Nazarian adds.

The STAT Madness round of 64 brackets opens March 4, and the championship round voting concludes April 5 at 5 p.m. (EST).

In addition to Nazarian and Dr. Kilburn, study co-authors include Eshini Panditharatna, Madhuri Kambhampati, Heather Gordish-Dressman, Ph.D., Suresh N. Magge, M.D., John S. Myseros, M.D., Eugene I. Hwang, M.D. and Roger J. Packer, M.D., all of Children's National; Mariam S. Aboian, Nalin Gupta, Soonmee Cha, Michael Prados and Co-Senior Author Sabine Mueller, all of University of California, San Francisco; Cassie Kline, UCSF Benioff Children's Hospital;  John R. Crawford, UC San Diego; Katherine E. Warren, National Cancer Institute; Winnie S. Liang and Michael E. Berens, Translational Genomics Research Institute; and Adam C. Resnick, Children's Hospital of Philadelphia.

Financial support for the research described in the report was provided by the V Foundation for Cancer Research, Goldwin Foundation, Pediatric Brain Tumor Foundation, Smashing Walnuts Foundation, The Gabriella Miller Kids First Data Resource Center, Zickler Family Foundation, Clinical and Translational Science Institute at Children's National under award 5UL1TR001876-03, Piedmont Community Foundation, Musella Foundation for Brain Tumor Research, Matthew Larson Foundation, The Lilabean Foundation for Pediatric Brain Cancer Research, The Childhood Brain Tumor Foundation, the National Institutes of Health and American Society of Neuroradiology.

Tweets:
.@childrensnational is among 64 teams competing in #statmadness, a bracketed competition from .@statnews to find the nation's most innovative research. Starting March 4, we'll need your votes 2 win.

Javad Nazarian .@childrenshealth: 'The blood draw & liquid biopsy complement the #MRI. The MRI gives the brain tumor's ZIP code. Liquid biopsy gives you the demographics within that ZIP code.' #statmadness

About Children's National Health System
Children's National Health System, based in Washington, D.C., has served the nation's children since 1870. Children's National is one of the nation's Top 5 pediatric hospitals and, for a second straight year, is ranked No. 1 in newborn care, as well as ranked in all specialties evaluated by U.S. News & World Report. It has been designated two times as a Magnet® hospital, a designation given to hospitals that demonstrate the highest standards of nursing and patient care delivery. This pediatric academic health system offers expert care through a convenient, community-based primary care network and specialty outpatient centers in the D.C. Metropolitan area, including the Maryland suburbs and Northern Virginia. Home to the Children's Research Institute and the Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National is the seventh-highest NIH-funded pediatric institution in the nation. Children's National is recognized for its expertise and innovation in pediatric care and as a strong voice for children through advocacy at the local, regional and national levels. 
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SOURCE Children's National Health System

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