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Blood Test Detects Cancer Three Years Ahead of Diagnosis

Finding tumor DNA in archived plasma samples promises a new screening approach that could enable intervention years before clinical signs emerge.

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Overview

  • Researchers applied advanced genetic sequencing to 52 plasma samples originally collected for cardiovascular risk studies.
  • The multicancer early detection test flagged tumor-derived material in eight participants up to three years before clinical diagnosis.
  • Yuxuan Wang said earlier detection could catch tumors at less advanced, more treatable stages.
  • Nickolas Papadopoulos emphasized the need to establish follow-up protocols for individuals with positive early detection results.
  • Experts call for larger trials to confirm the test’s reliability across cancer types and its potential to lower mortality rates.