MammaPrint classifies patients as either high risk or low risk of recurrence over a 10-year period while BluePrint classifies patients by breast cancer subtype.
Although a draft guidance last month recommended against use of molecular tests to guide chemotherapy, the group's finalized decision is subject to price negotiation and other adjustments.
ASCO said MammaPrint should be used to inform decisions on withholding chemotherapy for these clinically high risk, HR-positive, HER2-negative breast cancers.
