A blood test may be able to detect the early stages of several cancers in which routine screening options aren’t available.
, uses next-generation sequencing and machine-learning algorithms to analyze methylation patterns of cell-free DNA in the bloodstream, which can carry cancer-specific information. DNA methylation is a process used by cells to regulate gene expression. If a cancer signal is detected, Galleri will pinpoint where in the body the cancer is coming from to help health care providers determine the appropriate next steps for patient treatment.
"The PATHFINDER study is an exciting first step towards fundamental change in the approach to cancer screening," Dr. Deb Schrag of Memorial Sloan Kettering Cancer Center in New York . "The study found cancer in about 1% of participants including types for which there is no established screening method. The study demonstrated the feasibility of this paradigm and solid test performance."Wesley Culver, 17, spoke with FOX Television Stations about how his bout with cancer helped him discover his artistic side.
"Although continued public health efforts to optimize adherence to existing screening strategies that have been proven effective are critical, this study provides a glimpse of what the future may hold—the opportunity for screening using blood tests to detect various types of cancers at their earliest and most treatable stages," she continued. Currently, recommended cancer screenings in the U.S. only cover five different types of cancer and can only screen for one type at a time.
According to FOX Business, Grail is currently working to obtain full approval for Galleri from the Food and Drug Administration.
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