New Blood Test Can Detect Cancer Years Before Conventional Diagnostics

A new blood test, developed by a Sino-US startup and described in Nature Communications, has been shown to detect 5 types of cancer years before the conditions could be diagnosed with conventional diagnostic methods.New Blood Test Can Detect Cancer Years Before Conventional Diagnostics

The test identified cancers in 91% of people without symptoms when the blood sample was collected but they were diagnosed one-to-four years later stomach, esophageal, colon, lung, or liver cancer.

Early detection of cancer is crucial as survival chances are highly dependent on the time when the tumor can be removed surgically or with the help of drugs or radiation.

Co-author Kun Zhang, head of the bioengineering department at the University of California San Diego, who developed the test, says: “The immediate focus is to test people at higher risk, based on family history, age or other known risk factors.”

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