The Galleri blood test utilizes cancer biomarkers and could potentially catch early stage cases.
is both the maker of the Galleri test and funder of the PATHFINDER study. Galleri is one of a number of blood tests under development, with the ultimate the goal of providing “one-stop” screening for multiple cancers in the future. All of these tests work by looking at biological signals called biomarkers that can signal that cancer is present in the blood stream.“The PATHFINDER study is an exciting first step towards fundamental change in the approach to cancer screening.
The researchers also found that the blood test was correct 99 percent of the time when indicating that cancer was not present, an important finding due to the risk of a false-positive result in cancer screening. For example, a study published in March in the found that half of all women undergoing mammograms experience a false positive after 10 years of annual screening.
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