In the most basic terms a biomarker is a biological measure. Cholesterol is a biomarker for cardiovascular disease and high blood pressure is a biomarker for stroke. Biomarkers can be molecular or biochemical. Biomarkers can be used in three ways: to diagnose a disease (diagnostic), to forecast the aggressiveness of a disease (prognostic), or to help identify which patients will respond to a drug treatment (predictive).

  • Diagnostic
  • Prognostic
  • Predictive