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

Diagno...

...Diagnosed ER-positive, HER2-negative Breast C...

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

...commendation 1.1If a patient has node-nega...

...ommendation 1.2In the group of pat...

...endation 1.3In the group of patients in Recommend...

Recommendation 1.4If a patient is...

...ndation 1.5In the group of patients in Rec...

...n 1.6If a patient is premenopausal an...

...on 1.7If a patient has node-positive breast cance...

...t (70-gene signature)...

Recommendation 1.8If a patient is older than 50...

...tion 1.9If a patient is 50 years of age or youn...

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

...1.11If a patient has node-positive breast cancer...

...edict (12-gene risk score)...

...commendation 1.12If a patient is postmenopausal...

...ecommendation 1.13If a patient is preme...

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

...igna (PAM50...

...ommendation 1.15If a patient is postmenopausa...

...ecommendation 1.16If a patient is premeno...

...tion 1.17If a patient is postmenopausal and...

...endation 1.18If a patient has node-positive breast...

...mmostra...

...ficient evidence to recommend use of Mammos...

Breast Cancer Index (...

...a patient has ER-positive, HER2-negative,...

...atient has ER-positive, HER2-negativ...

Ki67

...ation 1.19If a patient is postmenop...

...on 1.20If a patient is postmenopausal and has brea...

...ion 1.21Despite the limitations associated with Ki...

...stochemistry 4 (IHC4)...

...1.22If a patient has node-negative or nod...

...and PAI-1...

...t has ER-positive, HER2-negative (nod...

...nt has HER2-positive breast cancer or trip...


...ocrine Therapy For ER Receptor-positive HER2-ne...

...DX, EndoPredict, Prosigna, Ki67, or...

...ecommendation 1.23If a patient has node-negative...

BCI

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

...1.25If a patient has node-positive...

...linical Treatment Score post-5 Year...

...ion 1.26If a patient is postmenopausa...


...ive Breast Cancer or TNBC...

...cotype DX, EndoPredict, MammaPrint, BCI, Pros...

...ation 1.27If a patient has HER2-positiv...


Emerging Biomark...

...or-Infiltrating Lymphocytes (TIL...

...n 1.28If a patient has node-negative...

...1 TestingĀ 

...tion 1.29If a patient has node-negative or n...

Circulating Tumor Ce...

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

...ng Tumor DNA (ctDNA)...

...endation 1.31If a patient has node-negative...


...able 1. Breast Cancer Biomarkers to Guide Adju...


...thm on Biomarkers to Guide Decisions on Adjuvan...


...fication of Patients According to Clinical Ris...


...ASCO believes that cancer clinical t...