Feature Story
A Blood Test for Early Cancer Detection Sparks Debate
MONDAY, September 28, 2015 (Wall Street Journal) — Scientists have long dreamed of spotting cancers with a simple blood test in people who haven’t shown symptoms.
One company says that day is here—though it has yet to convince government regulators.
Pathway Genomics began marketing a blood test in mid-September that it says can detect DNA fragments linked to 10 common cancers in otherwise healthy people. Consumers can order the test directly from the company’s website by consulting with Pathway physicians and completing a questionnaire.
But many cancer experts—and competitors—say the Pathway test is far from scientifically proven and could cause unnecessary alarm.
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