
SABCS 2021
Featured articles


Letter from the Editor

CONTENTS
Online First
Early-Stage Breast Cancer

Aromatase inhibitors outperform tamoxifen in premenopausal women

Concurrent taxane plus anthracycline most beneficial in reducing risk of breast cancer
Reduced risk of recurrence with ovarian suppression plus tamoxifen/exemestane
Metformin does not improve outcomes in patients with early-stage breast cancer
Omitting sentinel lymph node biopsy improves arm symptoms
HR-positive/HER2-negative Breast Cancer
Addition of palbociclib to standard endocrine therapy does not improve outcome in adjuvant treatment

The SERD elacestrant improves outcomes for patients unresponsive to endocrine therapy
Consistent overall survival benefit of ribociclib in advanced breast cancer
Premenopausal women benefit from adjuvant chemotherapy next to endocrine therapy
Promising anti-tumour activity of the CDK7-inhibitor samuraciclib plus fulvestrant

ctDNA is prognostic and predictive for response to ribociclib plus letrozole
Early switch to fulvestrant plus palbociclib beneficial for patients with ESR1 mutation
Triple-Negative Breast Cancer
Single-cell spatial analysis can predict response to neoadjuvant immunotherapy

Neoadjuvant pembrolizumab plus chemotherapy benefits event-free survival in TNBC
Early use of ctDNA testing can identify likelihood of relapse in TNBC

Pembrolizumab plus chemotherapy benefits patients with combined positive score ≥10

Neratinib plus trastuzumab plus fulvestrant shows encouraging clinical activity
Phase 1–3 Trials
Datopotamab deruxtecan shows promising anti-tumour activity

Trastuzumab deruxtecan outperforms trastuzumab emtansine
Nivolumab plus ipilimumab serve promising dual checkpoint inhibition

Entinostat plus exemestane improves progression-free survival in Chinese patients
Efficacy of pyrotinib plus capecitabine confirmed in previously treated patients
Basic and Translational Research

Using genomics to match treatments improves outcomes
How tamoxifen can induce uterine cancer
Loss of ASXL1 tumour suppressor promotes resistance to CDK4/6 inhibitors
Inducers of ferroptosis are potential drugs to target p53-mutated TNBC cells

MAPK-pathway alterations are associated with resistance to anti-HER2 therapy
Genomic signatures of DCIS define biology and correlate with clinical outcomes
BRCA2 linked to inferior outcomes with CDK4/6 inhibitors plus endocrine therapy
Miscellaneous
Olaparib is well tolerated as an additional treatment

Race effects the likelihood to develop lymphoedema following breast cancer treatment
