Biomarkers for Adjuvant Endocrine and Chemotherapy in Early-Stage Breast Cancer

Publication Date: April 19, 2022

Key Points

Key Points

This guideline update provides evidence-based recommendations to optimally use currently available biomarkers in the population of women presenting with early-stage breast cancer with known estrogen receptor (ER), and human epidermal growth factor receptor 2 (HER2) status.

Diagnosis

...iagnos...

...osed ER-positive, HER2-negative Breast Canc...

...DX (21-gene recurrence score)...

...1.1If a patient has node-negative breast can...

...endation 1.2In the group of patients in...

...1.3In the group of patients in Recom...

...mmendation 1.4If a patient is postmenop...

...ation 1.5In the group of patients in Recom...

...mendation 1.6If a patient is premenopausal...

...ion 1.7If a patient has node-positive brea...

...nt (70-gene signature...

...dation 1.8If a patient is older than 50 and...

...ation 1.9If a patient is 50 years...

...tion 1.10If a patient has low clinical ris...

...on 1.11If a patient has node-positive br...

...ct (12-gene risk score...

...ndation 1.12If a patient is postmeno...

Recommendation 1.13If a patient is pre...

...1.14If a patient has breast cancer wi...

...osigna (PAM50...

...dation 1.15If a patient is postmenopausal...

...ecommendation 1.16If a patient is premenopaus...

...ecommendation 1.17If a patient is po...

...on 1.18If a patient has node-positi...

...mmostra...

...here is insufficient evidence to r...

...Cancer Index (BCI)...

...f a patient has ER-positive, HER2-ne...

...tient has ER-positive, HER2-negative, node-positi...

...i67

...endation 1.19If a patient is postmenop...

....20If a patient is postmenopausal and ha...

...ecommendation 1.21Despite the limitations associ...

...nohistochemistry 4 (IHC4)

...ecommendation 1.22If a patient has node-negative...

...PA and PAI...

...nt has ER-positive, HER2-negative (node-negat...

...tient has HER2-positive breast canc...


...ocrine Therapy For ER Receptor-positi...

...EndoPredict, Prosigna, Ki67, or IHC4...

...mmendation 1.23If a patient has node...

BCI

...1.24If a patient has node-negative or...

...n 1.25If a patient has node-positive breast ca...

...al Treatment Score post-5 Years (...

...mmendation 1.26If a patient is postme...


...R2-positive Breast Cancer or TNBC

...X, EndoPredict, MammaPrint, BCI, Prosigna, Ki67,...

...tion 1.27If a patient has HER2-positive bre...


...ging Biomarkers...

...r-Infiltrating Lymphocytes (T...

...1.28If a patient has node-negative or node-positi...

...1 TestingĀ 

...ecommendation 1.29If a patient has node-n...

...irculating Tumor Cells (C...

...on 1.30If a patient has node-negative or nod...

...ting Tumor DNA (ctDNA)

...ion 1.31If a patient has node-negative or node-...


...e 1. Breast Cancer Biomarkers to Guide...


...gure 1. Algorithm on Biomarkers to...


...assification of Patients According to Clinic...


...ASCO believes that cancer clinical...