MammaPrint PAM 50
(Breast bioclassifiers)
MapQuant Dx/simplified Oncotype DX Breast Cancer Index (HoxB13:IL17BR/MGI)
Analysis Microarray qRT-PCR Microarray/qRT-PCR qRT-PCR qRT-PCR
Provider Agendia
(Amsterdam, Netherlands)
NanoString Technologies (Seattle, WA, USA) Ipsogen
(Marseille, France)
Genomic Health
(Redwood City, CA, USA)
bioTheranostics
(San Diego, CA, USA)
Assay 70-gene signature 50-gene signature 97-gene signature or
8-gene PCR
21-gene recurrence score Two-gene HOXB13:IL17R/ 5-gene molecular grade index
Tissue type Fresh or Frozen FFPE Fresh or Frozen or FFPE FFPE FFPE
Clinical indications • 0- 3 node positive
• < 5cm
• All ages
• ER+ or ER-
•Stage I-III
•All ages
• ER+ or ER-
•ER+
• Histologic grade 2
•ER+
• 0-3  node positive
•Treated with tamoxifen
•Post menopausal, treated with aromatase inhibitors (AI)
•ER+
• Node negative
• All ages
Prognostic/ predictive value •Prognostic for early distant recurrence within first 5 year after diagnosis •Predictive for chemoresponse in poor prognostic group •Prognostic based on assigned intrinsic molecular subtypes
•Predictive for tamoxifen benefit in luminal cancers
•Prognostic in ER+ tumors
• Predictive for chemoresponse in high GGI tumor
•Prognostic for distant recurrence in 10 years •Predictive for chemoresponse in high recurrence score group •Prognostic in ER+ tumors •Predictive for tamoxifen response in low risk group
Table 2: Commercially available prognostic/predictive multigene tests for invasive breast cancers.