瞭望前瞻丨SABCS 2026会议第四天(12月11日)重要内容速览!

第49届圣安东尼奥乳腺癌研讨会(SABCS 2026)将于当地时间2026年12月8-11日在美国得克萨斯州圣安东尼奥举行。作为乳腺癌领域的顶级盛会,SABCS聚焦乳腺癌生物学、病因、预防、诊断及治疗前沿,促进临床、转化与基础研究的深度融合,为全球科研人员提供交流协作与专业成长的平台。日前,SABCS官网已披露本届大会摘要标题。

编者按:第49届圣安东尼奥乳腺癌研讨会(SABCS 2026)将于当地时间2026年12月8-11日在美国得克萨斯州圣安东尼奥举行。作为乳腺癌领域的顶级盛会,SABCS聚焦乳腺癌生物学、病因、预防、诊断及治疗前沿,促进临床、转化与基础研究的深度融合,为全球科研人员提供交流协作与专业成长的平台。日前,SABCS官网已披露本届大会摘要标题。

肿瘤瞭望特整理会议第四天(12月11日)精彩内容,涵盖焦点壁报、全体会议讲座、全体大会专场、特别会议、壁报展示、辩论及Mini口头报告等,并将并将全体大会3(General Session 3)及Mini口头报告(Rapid Fire 7)摘要题目进行整理,以便读者快速了解会议动态,敬请关注后续详细报道!

五场焦点壁报专场:1、焦点壁报10:CDK4/6抑制剂耐药性的转化研究见解与新型治疗策略;2、焦点壁报11:早发性乳腺癌;3、焦点壁报12:GLP-1;4、焦点壁报14:基因组学;5、这已非传统的Halsted乳房切除术:在创新与结局之间寻求平衡。

一场全体会议讲座:乳腺癌患者的精准诊疗。

一场全体大会专场:全体大会3。

三场特别会议:1、特别专场10:从女性健康的角度看乳腺癌风险:透视筛查和干预;2、年度回顾;3、一线视角:周一早上的临床实践该怎么做。

一场壁报展示:Poster Session5。

一场Mini口头报告:Rapid Fire7。

一场辩论专场:德曲妥珠单抗(T-DXd)——术前还是术后应用?

专场:General Session 3

时间:12月11日9:30 AM–11:45 AM CST

地点:Hall 1

摘要号:GS3-4

Characterization of clinical outcomes in monarchE by histologic, molecular, and genomic subtypes: Updated baseline tumor analysis from patients with HR+, HER2−, node-positive, high-risk early breast cancer

monarchE研究中按组织学、分子学及基因组学亚型划分的临床结局特征分析:HR+/HER2−、淋巴结阳性、高危早期乳腺癌患者的最新基线肿瘤分析

讲者:Nick Turner, Royal Marsden Hospital and Institute of Cancer Research, London, United Kingdom

摘要号:GS3-5

Longitudinal analysis of imaging biomarkers and ctDNA to predict neoadjuvant therapy response: a retrospective study from I-SPY 2

影像生物标志物与ctDNA的纵向分析用于预测新辅助治疗反应:I-SPY 2研究的回顾性分析

讲者:Wen Li, University of California, San Francisco, San Francisco, CA

摘要号:GS3-6

Translational discovery and validation of genomic alterations associated with AKT inhibitor (AKTi) resistance in hormone receptor-positive, HER2-negative metastatic breast cancer (HR+/HER2- MBC)

HR+/HER2-转移性乳腺癌中与AKT抑制剂(AKTi)耐药相关基因组变异的转化发现与验证

讲者:Maxwell R Lloyd, Massachusetts General Hospital, Boston, MA

摘要号:GS3-7

Vaccination to target PARP inhibitor resistance caused by BRCA1/2 reversion mutations

针对BRCA1/2逆转突变引起的PARP抑制剂耐药的疫苗接种

讲者:Stephen J. Pettitt, Institute of Cancer Research, London, United Kingdom

摘要号:GS3-8

Efficacy and safety of neoadjuvant trastuzumab deruxtecan (T-DXd) monotherapy versus standard of care (SoC) therapy in stage I-II HER2+ early breast cancer (eBC): First results from WSG ADAPT-HER2-IV

新辅助德曲妥珠单抗(T-DXd)单药治疗对比标准治疗(SoC)在I-II期HER2阳性早期乳腺癌(eBC)中的疗效与安全性:WSG ADAPT-HER2-IV研究首次结果

讲者:Nadia Harbeck, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany

摘要号:GS3-10

The STOP-HER2 Trial: A Phase 2 Study of Stopping Trastuzumab – Outcomes in Patients (pts) with HER2+ Metastatic Breast Cancer (MBC) (TBCRC 062)

STOP-HER2研究:停用曲妥珠单抗治疗的II期研究——HER2阳性转移性乳腺癌(MBC)患者的结局(TBCRC 062)

讲者:Heather A Parsons, Fred Hutchinson Cancer Center, Seattle, WA

专场:Rapid Fire 7

时间:12月11日1:00 PM–2:00 PM CST

地点:Stars at Night 1-2

摘要号:RF7-1

Treatment discontinuations and patient-reported outcomes in lidERA Breast Cancer: A Phase III trial of giredestrant in patients with estrogen receptor-positive, HER2-negative early breast cancer

lidERA BC研究中治疗中断情况及患者报告结局:giredestrant用于HR+/HER2-早期乳腺癌患者的III期试验

讲者:Sara A Hurvitz, Fred Hutchinson Cancer Center, Seattle, WA

摘要号:RF7-2

Efficacy and Safety of a 6-Month Pre‑mixed Depot formulation, Leuprorelin Mesylate Injection (6M) with Tamoxifen in Premenopausal HR+ Breast Cancer: A Phase III, Randomized, Open-Label, Non-Inferiority Study in China

6个月预混长效剂型甲磺酸亮丙瑞林注射液(6M)联合他莫昔芬治疗绝经前HR+乳腺癌的疗效与安全性:中国一项III期、随机、开放标签、非劣效性研究

讲者:张剑(复旦大学附属肿瘤医院)

摘要号:RF7-3

I-SPY 2 Endocrine Optimization Pilot (EOP): elagolix vs GnRH agonist as ovarian function suppression (OFS) in premenopausal patients receiving neoadjuvant (Z)-endoxifen for estrogen receptor positive (ER+)/HER2 negative (HER2-) stage 2/3 breast cancer (BC)

I-SPY 2内分泌优化先导研究(EOP):elagolix对比GnRH激动剂作为卵巢功能抑制(OFS),用于接受新辅助(Z)-endoxifen治疗的ER+/HER2- 2/3期乳腺癌绝经前患者

讲者:Annabelle Duflock, University of California, San Francisco, San Francisco, CA

摘要号:RF7-4

A randomised non-comparative phase II study of Adjuvant PALbociclib as an Alternative to CHemotherapy in Elderly patientS with high-risk ER+/HER2- early breast cancer (APPALACHES); EORTC-1745-ETF-BCG

辅助哌柏西利替代化疗用于高危ER+/HER2-早期乳腺癌老年患者的随机、非比较性II期研究(APPALACHE;SEORTC-1745-ETF-BCG)

讲者:Hans Wildiers, university hospitals leuven, leuven, Belgium

摘要号:RF7-5

Afuresertib and fulvestrant for PIK3CA/AKT1/PTEN-altered, hormone receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer: results from the phase III part of LAE205INT3101 trial

Afuresertib联合氟维司群治疗存在PIK3CA/AKT1/PTEN突变的激素受体阳性、HER2阴性晚期乳腺癌:LAE205INT3101研究III期部分结果

讲者:张频(中国医学科学院肿瘤医院)

摘要号:RF7-7

Updated Efficacy Results From LEONARDA-2: A Phase III, Randomized, Placebo-Controlled Trial of Lerociclib Plus Letrozole as First-Line Therapy for HR+/HER2- Advanced Breast Cancer

LEONARDA-2研究的最新疗效结果:来罗西利联合来曲唑一线治疗HR+/HER2-晚期乳腺癌的 III期、随机、安慰剂对照试验

讲者:胡夕春(复旦大学附属肿瘤医院)

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