Wednesday General Session and Poster Spotlight Session presentations

*Titles, times, and locations may change. Check SABCS.org or the SABCS meeting platform and mobile app for the latest schedule.


GENERAL SESSION 1
Wednesday, December 6
9:00 a.m. – 12:00 p.m.
Hall 1

9:00–9:15 a.m. —GS01-01: Biomarker Results in high-risk estrogen receptor positive, human epidermal growth factor receptor 2 negative primary breast cancer following neoadjuvant chemotherapy ± nivolumab: an exploratory analysis of CheckMate 7FL

9:15–9:30 a.m. —GS01-02: Phase 3 study of neoadjuvant pembrolizumab or placebo plus chemotherapy, followed by adjuvant pembrolizumab or placebo plus endocrine therapy for early-stage high-risk ER+/HER2− breast cancer: KEYNOTE-756

9:30–9:45 a.m. — GS01-03: Adding atezolizumab to adjuvant chemotherapy for stage II and III triple-negative breast cancer is unlikely to improve efficacy: interim analysis of the ALEXANDRA/IMpassion030 phase 3 trial

9:45–10:00 a.m. — GS01-04: Discussant for GS01-01, GS01-02, and GS01-03

10:00–10:15 a.m. — GS01-05: Pembrolizumab + olaparib vs pembrolizumab + chemotherapy after induction with pembrolizumab + chemotherapy for locally recurrent inoperable or metastatic TNBC: Randomized open-label Phase 2 KEYLYNK-009 study

10:15–10:30 a.m. — GS01-06: Advancing evidence of the associations between specific benign breast diagnoses and future breast cancer risk

10:30–10:45 a.m. — GS01-07: Discussant for GS01-06

10:45–11:00 a.m. — GS01-08: CDK4/6 inhibition is a potential vulnerability in NF1-depleted ER+ breast cancer

11:00–11:15 a.m. — GS01-09: Discussant for GS01-08

11:15–11:30 a.m. — GS01-10: HER2CLIMB-02: Randomized, double-blind Phase 3 trial of tucatinib and trastuzumab emtansine for previously treated HER2-positive metastatic breast cancer

11:30–11:45 a.m. — GS01-11: Discussant for GS01-10

Additional presentation to be announced


POSTER SPOTLIGHT SESSION #4:  GAPS IN THE TIMING, TREATMENT SELECTION, AND SUPPORTIVE SERVICES FOR CANCER CARE
7:00 a.m. – 8:00 a.m.
Stars at Night Ballroom 3-4

Presentations:

PS04-01: Clinical impact of timing of systemic therapy in patients with early triple negative breast cancer

PS04-02: BRCA testing and PARP inhibitor utilization in real-world HER2-negative metastatic breast cancer

PS04-03: Survival benefit of regional nodal irradiation in clinically node-positive breast cancer following neoadjuvant chemotherapy and breast-conserving surgery

PS04-04: Adverse effects (AEs) reported via Patient Reported Outcome Measures (PROMs): A longitudinal analysis of the IMPORT HIGH breast radiotherapy trial (CRUK/06/003)

PS04-05: Discussant and panel discussion

PS04-06: Breast cancer recurrence among women with pre-diagnostic major depression and co-existing substance abuse disorder: A retrospective study in the United States Veterans Health Administration Cohort

PS04-07: Associations between virtual care access and psychological and mental health conditions among adults with breast cancer in the US: A population-based analysis

PS04-08: sociodemographic risk factors and prediction of aromatase inhibitor non-adherence in women with breast cancer enrolled in SWOG S1105

PS04-09: Patient-reported benefit of resources designed to assist with the financial toxicity of breast cancer

PS04-10: Discussant and panel discussion


POSTER SPOTLIGHT SESSION #5: SHINING A NEW LIGHT ON BREAST CANCER: NOVEL MOLECULAR AND FUNCTIONAL IMAGING APPROACHES TO DETECT AND CHARACTERIZE BREAST CANCER
7:00 a.m. – 8:00 a.m.
Hemisfair Ballroom 1-2

Presentations:

PS05-01: Accuracy and safety of fibroblast activation protein inhibitor (FAPI) PET/CT in diagnosis of axillary lymph node metastasis in early breast cancer patients: a prospective cohort study (PFB-01&02 study)

PS05-02: PET imaging of PARP expression as a biomarker of response to chemotherapy in breast cancer: A nonrandomized clinical trial

PS05-03: Magsense® HER2, a molecularly targeted magnetic resonance imaging agent for the detection of axillary nodal metastasis in subjects with human epidermal growth factor receptor 2 positive (HER2+) breast cancer

PS05-04: [89Zr]Trastuzumab-PET/MRI to characterize her2+ breast cancer: A quantitative approach on tumor heterogeneity

PS05-05: Discussant and panel discussion

PS05-06: Outcomes of surveillance using contrast enhanced mammography in women with a personal history of breast cancer

PS05-07: Early prediction of response to neoadjuvant immunotherapy in triple negative breast cancer (TNBC) with DCE-MRI

PS05-08: Restriction spectrum imaging MRI for automated evaluation of response to neoadjuvant therapy in breast cancer

PS05-09: A single-arm Phase II clinical study of fulvestrant combined with chemotherapy in the neoadjuvant treatment of HR+/HER2- locally advanced breast cancer

PS05-10: Discussant and panel discussion


POSTER SPOTLIGHT SESSION #6: PROGNOSTIC AND PREDICTIVE USES OF CELL FREE DNA
7:00 a.m. – 8:00 a.m.
Stars at Night Ballroom 1-2

Presentations:

PS06-01: Results from a pilot study exploring ctDNA detection using a tumor-informed assay in the monarchE trial of adjuvant abemaciclib with endocrine therapy in HR+, HER2-, node-positive, high-risk early breast cancer

PS06-02: Circulating tumor DNA (ctDNA) monitoring of estrogen receptor-positive, human epidermal growth factor receptor 2-negative (ER+/HER2-) high risk breast cancer during adjuvant endocrine therapy

PS06-03: Differences in ctDNA genomic profiles and outcomes of Black and White patients with metastatic breast cancer: results from a large multicenter consortium

PS06-04: The prognostic and predictive impact of circulating tumour DNA (ctDNA) dynamics in patients with metastatic Triple Negative Breast Cancer (TNBC) on olaparib based therapy: Results from Cohort E of the PlasmaMATCH trial

PS06-05: Discussant and panel discussion

PS06-06: Analysis of ctDNA for the detection of minimal residual disease (MRD) using a tissue-free, multiomic assay in patients with early-stage breast cancer

PS06-07: Liquid biopsy determination of HER2 status in breast cancer: results from a novel epigenomic platform

PS06-08: Longitudinal Neoadjuvant and Post-operative Evaluation of Circulating Tumor DNA in Early Breast Cancer using a Tumor-Informed Assay: Updated Analysis of the TRACER Cohort

PS06-09: Fragmentomic analysis of a circulating tumor DNA targeted cancer gene panel discriminates ER status in metastatic breast cancer liquid biopsies.

PS06-10: Discussant and panel discussion


POSTER SPOTLIGHT SESSION #7: PREVENTION
5:30 p.m. – 6:30 p.m.
Stars at Night Ballroom 3-4

Presentations:

PS07-01: Exemestane and breast cancer prevention: how low can we go? Drug and biomarker tissue levels in a randomized presurgical trial on exemestane alternative dosing regimen.

PS07-02: Benign breast disease and microcalcifications in percutaneous biopsies and breast cancer risk

PS07-03: Randomized trials of oestrogen-alone and breast cancer incidence: a meta-analysis

PS07-04: Improved uptake and adherence to prevention medication with use of baby tamoxifen in patients at high risk for breast cancer

PS07-05: Discussant and panel discussion

PS07-06: A novel citrullinated-ENO1 peptide-based vaccine for triple-negative breast cancer prevention

PS07-07: The RXR agonist, IRX4204, delays the formation of Brca1 mutant mammary tumors via modulation of the anti-tumor immune response

PS07-08: Bazedoxifene plus conjugated estrogen reduces mammary proliferation markers and improves adipocyte size, gut microbiome, and metabolic health: Findings from a preclinical model of obesity and breast cancer risk.

PS07-09: Prenatal BRCA1 epimutations is a major cause of triple-negative breast cancer

PS07-10: Discussant and panel discussion


POSTER SPOTLIGHT SESSION #8: ANTIBODY DRUG CONJUGATES: WHERE ARE WE HEADED?
5:30 p.m. – 6:30 p.m.
Hemisfair Ballroom 1-2

Presentations:

PS08-01: Antibody-Drug Conjugates (ADCs) in breast cancer: Real world analysis of outcomes

PS08-02: Efficacy of Sacituzumab-Govitecan (SG) post Trastuzumab-deruxtecan (T-DXd) and vice versa for HER2low advanced or metastatic breast cancer (MBC): a French multicentre retrospective study

PS08-03: Sequencing antibody-drug conjugate after antibody-drug conjugate in metastatic breast cancer (A3 study): Multi-institution experience and biomarker analysis

PS08-04: Multicenter retrospective cohort study of the sequential use of the antibody-drug conjugates (ADCs) trastuzumab deruxtecan (T-DXd) and sacituzumab govitecan (SG) in patients with HER2-low metastatic breast cancer (MBC)

PS-08-05: Discussant and panel discussion

PS08-06: A Phase Ib/II Study to Assess the Safety and Efficacy of PM8002 (Anti-PD-L1 x VEGF-A Bispecific Antibody) in Combination with Nab-Paclitaxel for First Line Treatment of Locally Advanced or Metastatic Triple-Negative Breast Cancer

PS08-07: BL-B01D1, a first-in-class EGFRxHER3 bispecific antibody-drug conjugate, in patients with Locally Advanced or Metastatic Breast Cancer and other Solid Tumor: Results from a phase 1 study.

PS08-08: Updated efficacy and safety of SKB264 (MK-2870) for previously treated metastatic triple negative breast cancer (mTNBC) in Phase 2 study

PS08-09: Impact of HER2 expression dynamics on the real-world activity of trastuzumab deruxtecan for metastatic breast cancer (RELIEVE)

PS08-10: Discussant and panel discussion


POSTER SPOTLIGHT SESSION #9: EXPLOITING TUMOR BIOLOGY IN HER2-POSITIVE BREAST CANCER TO ESCALATE OR DE-ESCALATE NEOADJUVANT THERAPY
5:30 p.m. – 6:30 p.m.
Stars at Night Ballroom 1-2

Presentations:

PS09-01: Individual patient data meta-analysis of clinical and translational biomarkers for prediction of pathological complete response (pCR) after de-escalated therapy in HER2+ breast cancer in four trials of the West German Study Group

PS09-02: Event-free survival by Residual Cancer Burden (RCB) and intratumor her2 heterogeneity after neoadjuvant T-DM1 and pertuzumab for early-stage HER2-positive breast cancer

PS09-03: Neoadjuvant zanidatamab for stage I node negative HER2 positive breast cancer

PS09-04: The benefit of adjuvant pertuzumab and trastuzumab according to estrogen receptor and HER2 expression: sub-analysis of the APHINITY trial

PS09-05: Discussant and panel discussion

PS09-06: Tumor infiltrating lymphocytes as a predictor of pathologic complete response to neoadjuvant therapy in HER2 positive breast cancer

PS09-07: SPAG5 as a companion prognostic and predictive test for management of early stage HER2 positive breast cancer (BCs)

PS09-08: Genomic characterization of endocrine resistance in ER+HER2+ breast cancers in the POETIC Trial

PS09-09: Multiomics profiling and molecular classification refine precision treatment strategies for HER2-positive breast cancer

PS09-10: Discussant and panel discussion

Connect with thousands of basic and translational scientists, multidisciplinary clinicians, regulatory and pharmaceutical partners, survivors, and patient advocates at the 49th annual San Antonio Breast Cancer Symposium. Complete your registration by Friday, September 25, to take advantage of discounted early registration rates.