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Table 2 Characteristics of the ideal response biomarker

From: Response biomarkers: re-envisioning the approach to tailoring drug therapy for cancer

Sufficiently sensitive to detect even minor responses that induce disease stabilization.
Specific. Its absence accurately reflects chemoresistance.
Appears rapidly as a result of a response to therapy.
Agnostic to class of antineoplastic drugs.
Applicable to all tumor types.
Easy to measure, amenable to high-throughput testing.
Measurement is convenient to the patient and physician.