瞭望前瞻丨2026年ASCO年会乳腺癌领域重磅研究进展,一文速览!

2026年美国临床肿瘤学会(ASCO)年会即将于5月29日至6月2日在芝加哥盛大召开。作为全球肿瘤学领域最具影响力的学术盛会之一,本届大会将继续汇聚乳腺癌诊疗的最新前沿进展。从精准靶向治疗到免疫联合策略,从抗体药物偶联物(ADC)的深度探索到真实世界研究的实践创新,会议内容涵盖转移性、早期、局部及区域乳腺癌的众多关键议题。《肿瘤瞭望-乳腺时讯》特此整理汇总本届ASCO年会乳腺癌领域的重要进展,以飨读者。如有疏漏,欢迎指正。

编者按:2026年美国临床肿瘤学会(ASCO)年会即将于5月29日至6月2日在芝加哥盛大召开。作为全球肿瘤学领域最具影响力的学术盛会之一,本届大会将继续汇聚乳腺癌诊疗的最新前沿进展。从精准靶向治疗到免疫联合策略,从抗体药物偶联物(ADC)的深度探索到真实世界研究的实践创新,会议内容涵盖转移性、早期、局部及区域乳腺癌的众多关键议题。《肿瘤瞭望-乳腺时讯》特此整理汇总本届ASCO年会乳腺癌领域的重要进展,以飨读者。如有疏漏,欢迎指正。

快速口头报告

(Rapid Oral Abstract Session)

Care Delivery/Models of Care

美国东部时间:5月29日2:45–4:15PM

地点:E350

摘要号:1520

英文标题:Effect of a financial navigation intervention on financial toxicity among patients with breast cancer: A randomized controlled trial in China

中文标题:金融导航干预对乳腺癌患者经济毒性影响:一项在中国开展的随机对照研究

报告时间:2:45 - 4:15 PM

讲者:Weijie Xing(复旦大学附属肿瘤医院护理学院)

Breast Cancer-Metastatic

美国东部时间:5月31日11:30–1:00PM

地点:Hall D1

摘要号:1013

英文标题:ASCENT-04: Analysis of efficacy by biomarker subgroups with sacituzumab govitecan (SG) + pembrolizumab (pembro) vs chemotherapy (chemo) + pembro in participants (pts) with previously untreated PD-L1+ metastatic triple-negative breast cancer (mTNBC)

中文标题:ASCENT-04:戈沙妥珠单抗(SG)联合帕博利珠单抗(pembro)对比化疗联合帕博利珠单抗在既往未经治疗的PD-L1阳性转移性三阴性乳腺癌(mTNBC)患者中按生物标志物亚组进行的疗效分析

报告时间:11:30-11:36PM

讲者:Sara M. Tolaney

摘要号:1014

英文标题:ASCENT-03: Efficacy by biomarker subgroup with sacituzumab govitecan (SG) vs chemotherapy (chemo) in participants (pts) with previously untreated advanced triple-negative breast cancer (TNBC) who are not candidates for PD-(L)1 inhibitors (PD-[L]1i)

中文标题:ASCENT-03:戈沙妥珠单抗(SG)对比化疗在不适合使用PD-(L)1抑制剂的既往未经治疗的晚期三阴性乳腺癌(TNBC)患者中按生物标志物亚组进行的疗效分析

报告时间:11:36-11:42AM

讲者:Carlos H. Barrios

摘要号:1015

英文标题:Impact of food access and poverty on somatic genomic profiles and clinical outcomes in metastatic breast cancer

中文标题:食物获取和贫困对转移性乳腺癌体细胞基因组图谱和临床结果的影响

报告时间:11:42-11:48AM

讲者:Emily L. Podany

摘要号:1016

英文标题: Post-progression treatment (tx) analyses of evERA Breast Cancer (BC): A phase III trial of giredestrant (GIRE) + everolimus (E) in patients (pts) with estrogen receptor–positive, HER2-negative advanced BC (ER+, HER2– aBC) previously treated with a CDK4/6 inhibitor (i).

中文标题:evERA BC进展后的治疗(tx)分析:一项评估giredestrant(GIRE)+依维莫司(E)治疗既往接受过CDK4/6抑制剂治疗的雌激素受体阳性、HER2阴性晚期乳腺癌(ER+, HER2- aBC)患者的III期临床试验

报告时间:12:00-12:06PM

讲者:Komal L. Jhaveri

摘要号:1017

英文标题:Effectiveness of first-line ET+CDK4/6i continuation beyond disease progression in a large cohort of patients with HR+/HER2− advanced breast cancer: Results from the multicenter, real-world, Italian study PALMARES-2.

中文标题:在HR+/HER2-晚期乳腺癌大型队列患者中疾病进展后继续一线内分泌治疗(ET)+CDK4/6抑制剂的有效性:来自多中心、真实世界、意大利PALMARES-2研究的结果

报告时间:12:06-12:12PM

讲者:Claudio Vernieri

摘要号:LBA1018

英文标题:Palbociclib plus tamoxifen±goserelin in women with hormone receptor (HR)-positive, HER2-negative advanced breast cancer (BC): PATHWAY, an Asian international double-blind randomized phase 3 trial—Final overall survival (OS) analysis.

中文标题:哌柏西利联合他莫昔芬±戈舍瑞林用于HR+/HER2-晚期乳腺癌女性患者:PATHWAY——一项亚洲国际双盲随机3期试验的最终总生存期分析

报告时间:12:12-12:18 PM

讲者:卢彦伸(台湾大学医学院附属医院)

摘要号:1019

英文标题:Paclitaxel plus bevacizumab with or without atezolizumab for hormone receptor-positive/HER2-negative advanced breast cancer: JCOG1919E (AMBITION) phase III trial.

中文标题:紫杉醇+贝伐珠单抗联合或不联合阿替利珠单抗治疗激素受体阳性/HER2阴性晚期乳腺癌:JCOG1919E(AMBITION)III期临床试验

报告时间:12:30-12:36PM

讲者:Fumikata Hara

摘要号:1020

英文标题:Impact of bevacizumab on the efficacy of antibody–drug conjugates as later-line treatment of basal-like immune-suppressed triple-negative breast cancer

中文标题:贝伐珠单抗对基底样免疫抑制型三阴性乳腺癌后线抗体药物偶联物疗效的影响

报告时间:12:36-12:42PM

讲者:刘引(复旦大学附属肿瘤医院)

摘要号:1021

英文标题:DESTINY-Breast09 analysis of treatment duration and clinical outcomes by best response to trastuzumab deruxtecan (T-DXd) + pertuzumab (P).

中文标题:DESTINY-Breast09研究分析:根据T-DXd联合帕妥珠单抗(P)的最佳缓解情况评估治疗持续时间与临床结局

报告时间:12:42-12:48PM

讲者:Yeon Hee Park

Breast Cancer-Local/Regional/Adjuvant

美国东部时间:6月1日9:45–11:15AM

地点:Hall D2

摘要号:508

英文标题:Adjuvant capecitabine and trastuzumab for stage IA HER2-positive breast cancer (IRIS-A): A phase II clinical trial

中文标题:卡培他滨联合曲妥珠单抗辅助治疗IA期HER2阳性乳腺癌(IRIS-A):一项II期临床试验

报告时间:9:45-9:51AM

讲者:王若曦(复旦大学附属肿瘤医院)

摘要号:509

英文标题:Neoadjuvant pyrotinib vs pertuzumab therapy for HER2-positive early breast cancer: The HELEN HER-013 randomized clinical trial

中文标题:吡咯替尼对比帕妥珠单抗新辅助治疗HER2阳性早期乳腺癌:HELEN HER-013随机临床试验

报告时间:9:51-9:57AM

讲者:刘真真(河南省肿瘤医院)

摘要号:LBA510

英文标题: Primary results of the BETTER-CARE trial: Implementation of a needs-adapted and individualized follow-up care after primary breast cancer.

中文标题: BETTER-CARE试验的主要结果:原发性乳腺癌后实施适应需求和个体化的随访护理

报告时间:9:57-10:03AM

讲者: Achim Woeckel

摘要号: 511

英文标题:The effects of Mediterranean diet, physical activity, and vitamin D on breast cancer recurrence and cardiometabolic health: A multicenter randomized trial.

中文标题:地中海饮食、体力活动和维生素D对乳腺癌复发及心脏代谢健康的影响:一项多中心随机试验

报告时间:10:15-10:21AM

讲者: Livia Augustin

摘要号:512

英文标题:Effect of elinzanetant on sleep disturbance and aspects of quality of life in women with breast cancer experiencing vasomotor symptoms: OASIS-4 subgroup analysis by type of endocrine therapy.

中文标题: Elinzanetant对伴有血管舒缩症状的乳腺癌女性睡眠障碍和生活质量方面的影响:按内分泌治疗类型进行的OASIS-4亚组分析

报告时间:10:21-10:27AM

讲者: Claudio Soares

摘要号:513

英文标题:Does resection of cavity shave margins impact survival in breast cancer patients?

中文标题:切除腔壁切缘是否影响乳腺癌患者的生存期?

报告时间:10:27-10:33AM

讲者: Anees B. Chagpar

摘要号: LBA514

英文标题:Neoadjuvant rilvegostomig (R) + trastuzumab deruxtecan (T-DXd) in high-risk HER2-negative breast cancer: Results from the I-SPY 2.2 trial.

中文标题:新辅助rilvegostomig(R)+德曲妥珠单抗(T-DXd)治疗高危HER2阴性乳腺癌:I-SPY 2.2试验的结果

报告时间:10:45-10:51AM

讲者:Ciara Catherine O'Sullivan

摘要号: LBA515

英文标题:Role of neoadjuvant versus adjuvant chemotherapy, dose density, and treatment schedule in biologically high-risk HR+/HER2- breast cancer: A pooled analysis of the WSG ADAPT-HR+/HER2- and PlanB trials.

中文标题:新辅助与辅助化疗、剂量密度及治疗方案在生物学高危HR+/HER2-乳腺癌中的作用:WSG ADAPT-HR+/HER2-和PlanB试验的汇总分析

报告时间:10:51-10:57AM

讲者:Oleg Gluz

摘要号:516

英文标题:Secondary safety analysis of trastuzumab deruxtecan (T-DXd) vs trastuzumab emtansine (T-DM1) in DESTINY-Breast05: Clinical and demographic risk factors of interstitial lung disease (ILD) and radiation pneumonitis (RP).

中文标题:DESTINY-Breast05中德曲妥珠单抗(T-DXd)对比恩美曲妥珠单抗(T-DM1)的次要安全性分析:间质性肺病(ILD)和放射性肺炎(RP)的临床和人口统计学危险因素

报告时间:10:57-11:03AM

讲者:Michael Untch

口头报告

(Oral Abstract Session)

Breast Cancer—Local/Regional/Adjuvant

美国东部时间:5月30日1:15–4:15PM

地点:Hall B1

摘要号:500

英文标题:First results from the OPTIMA phase III randomized non-inferiority trial of test-directed chemotherapy in patients with high clinical risk ER-positive HER2-negative early breast cancer.

中文标题:OPTIMA Ⅲ期随机非劣效性试验初步结果:检测指导化疗在高临床风险、雌激素受体(ER)阳性/人表皮生长因子受体2(HER2)阴性早期乳腺癌患者中的应用

报告时间:1:15-1:27PM

讲者: Robert C. Stein

摘要号: 501

英文标题:Prognostic and predictive impact of baseline gene expression (exp) in the NATALEE trial of adjuvant (adj) ribociclib (RIB) + nonsteroidal aromatase inhibitor (NSAI) in HR+/HER2-early breast cancer (EBC).

中文标题:在瑞波西利+非甾体芳香化酶抑制剂(NSAI)作为辅助治疗(adj)的NATALEE试验中,基线基因表达(exp)对HR+/ HER2 -早期乳腺癌(EBC)的预后和预测影响

报告时间:1:27-1:39PM

讲者: Stephen K.L. Chia

摘要号: 502

英文标题:Efficacy and safety of giredestrant (GIRE) in patients (pts) with estrogen receptor–positive, HER2-negative early breast cancer (ER+, HER2– eBC) in the phase III lidERA BC clinical trial: Results by menopausal status.

中文标题:girestrant (GIRE)治疗雌激素受体阳性、HER2阴性早期乳腺癌(ER+, HER2- eBC)患者的疗效和安全性:lidERA BC III期临床试验中绝经状态的结果

报告时间:1:39-1:51PM

讲者:Peter Schmid

摘要号:LBA503

英文标题:Omission of completion axillary dissection in patients with breast cancer and sentinel lymph node macrometastases: Overall survival and patient-reported arm morbidity from the randomized SENOMAC trial.

中文标题:乳腺癌前哨淋巴结宏转移患者豁免完成性腋窝淋巴结清扫术:随机SENOMAC试验的总生存期与患者报告的手臂并发症

报告时间:2:15-2:27PM

讲者:Jana de Boniface

摘要号: 504

英文标题:Surgical de-escalation of implant-based breast reconstruction (IBBR) after mastectomy for breast cancer treatment or prevention: The international randomized phase III PREPEC trial (OPBC-02).

中文标题:乳腺癌治疗或预防性乳房切除术后植入物乳房重建(IBBR)的手术降阶梯:国际随机III期PREPEC试验(OPBC-02)

报告时间:2:27-2:39PM

讲者: Walter Weber

摘要号: 505

英文标题:Prediction of axillary response in 5,262 patients with node-positive breast cancer treated with neoadjuvant chemotherapy: Results from the prospective multicenter AXSANA/EUBREAST-03/AGO-B-053 study.

中文标题:5262例接受新辅助化疗的淋巴结阳性乳腺癌患者腋窝缓解的预测:前瞻性多中心AXSANA/EUBREAST-03/AGO-B-053研究结果

报告时间:2:39-2:51PM

讲者: Maggie Banys-Paluchowski

摘要号:506

英文标题:Updated overall survival results from a randomized phase III trial of non-cross-resistant adjuvant chemotherapy plus endocrine therapy versus endocrine therapy alone in HR+/HER2−/lymph node-positive breast cancer with residual disease following neoadjuvant chemotherapy (NCT01019616).

中文标题:非交叉耐药辅助化疗联合内分泌治疗对比单纯内分泌治疗在HR+/HER2−/淋巴结阳性且新辅助化疗后仍有残留病灶的乳腺癌患者中的随机Ⅲ期试验:最新总生存期结果(NCT01019616)。

报告时间:3:15-3:27PM

讲者:杨飏(北京大学肿瘤医院)

摘要号: 507

英文标题:Neoadjuvant pembrolizumab or placebo plus chemotherapy followed by adjuvant pembrolizumab or placebo for high-risk early-stage TNBC: Final analysis results from the phase 3 KEYNOTE-522 study.

中文标题:新辅助帕博利珠单抗或安慰剂联合化疗序贯帕博利珠单抗或安慰剂辅助治疗高危早期TNBC:3期KEYNOTE-522研究的最终分析结果

报告时间:3:27-3:39PM

讲者:Peter Schmid

摘要号:LBA660

英文标题:Anbenitamab plus albumin-bound docetaxel (nab-docetaxel) ± carboplatin (Cb) versus trastuzumab and pertuzumab plus docetaxel (THP) ± Cb as neoadjuvant therapy for HER2-positive early or locally advanced breast cancer: A randomized, open-label, multicenter, phase 3 trial.

中文标题:Anbenitamab联合白蛋白结合型多西他赛(nab-多西他赛)±卡铂(Cb)对比曲妥珠单抗和帕妥珠单抗联合多西他赛(THP)±卡铂作为HER2阳性早期或局部晚期乳腺癌新辅助治疗的随机、开放标签、多中心、Ⅲ期试验。

报告时间:3:39-3:51PM

讲者:邵志敏(复旦大学附属肿瘤医院)

Breast Cancer—Metastatic

美国东部时间:6月2日9:45AM - 12:45 PM

地点:Hall D1

摘要号:LBA1000

英文标题:Progression-free survival after next line of treatment (PFS2) and subsequent therapies (subs tx) in the ASCENT-04 study of participants (pts) with previously untreated PD-L1+ metastatic triple-negative breast cancer (mTNBC) treated with sacituzumab govitecan (SG) plus pembrolizumab vs chemotherapy (chemo) plus pembro.

中文标题:ASCENT-04研究中对既往未经治疗的PD-L1阳性转移性三阴性乳腺癌(mTNBC)患者接受戈沙妥珠单抗(SG)联合帕博利珠单抗对比化疗联合帕博利珠单抗治疗后,下一线治疗的无进展生存期(PFS2)及后续治疗分析

报告时间:9:45-9:57AM

讲者:Kevin Kalinsky

摘要号:1001

英文标题:Progression-free survival after next line of treatment (PFS2) and subsequent therapies (subs tx) in the ASCENT-03 study of participants (pts) with previously untreated metastatic triple-negative breast cancer (mTNBC) treated with sacituzumab govitecan (SG) vs chemotherapy (chemo).

中文标题:ASCENT-03研究中对既往未经治疗的转移性三阴性乳腺癌(mTNBC)患者接受戈沙妥珠单抗(SG)对比化疗治疗后,下一线治疗的无进展生存期(PFS2)及后续治疗分析

报告时间:9:57-10:09AM

讲者:Sara A. Hurvitz

摘要号:1002

英文标题:First-line datopotamab deruxtecan (Dato-DXd) vs chemotherapy in patients with locally recurrent inoperable or metastatic triple-negative breast cancer (TNBC) for whom immunotherapy was not an option: Additional efficacy endpoints from the TROPION-Breast02 study

中文标题:德达博妥单抗(Dato-DXd)对比化疗一线治疗不适合免疫治疗的局部复发不可切除或转移性三阴性乳腺癌(TNBC)患者:TROPION-Breast02 研究的额外疗效终点

报告时间:10:09-10:21AM

讲者:David W. Cescon

摘要号:LBA1003

英文标题:Izalontamab brentgecan (iza-bren) versus physician’s choice of chemotherapy in patients with unresectable locally advanced or metastatic triple-negative breast cancer (TNBC): A randomized phase III study

中文标题:Izalontamab brentgecan(iza-bren)对比医生选择的化疗治疗不可切除的局部晚期或转移性三阴性乳腺癌(TNBC):一项随机III期研究

报告时间:10:45-10:57AM

讲者:吴炅(复旦大学附属肿瘤医院)

摘要号:1004

英文标题:Prevalence of symptomatic skeletal events (SSE) with reduced denosumab (Dmab) dose density (every 12 weeks versus every 4 weeks): A randomized phase III non-inferiority trial SAKK 96/12 REDUSE.

中文标题:降低地舒单抗(Dmab)给药密度(每12周对比每4周)的症状性骨骼事件(SSE)发生率:一项随机III期非劣效性试验SAKK 96/12 REDUSE

报告时间:10:57-11:09AM

讲者: Roger Anton Fredy Von Moos

摘要号:1005

英文标题:Efficacy and safety of tucatinib (TUC) vs placebo (PBO) combined with trastuzumab and pertuzumab (HP) as maintenance therapy for HER2+ metastatic breast cancer by stratified subgroups.

中文标题:图卡替尼(TUC)对比安慰剂(PBO)联合曲妥珠单抗和帕妥珠单抗(HP)作为HER2阳性转移性乳腺癌维持治疗的分层亚组有效性与安全性分析

报告时间:11:09-11:21AM

讲者:Erika P. Hamilton

摘要号:LBA1006

英文标题:Giredestrant (GIRE) + palbociclib (PALBO) vs letrozole (LET) + PALBO as first-line (1L) therapy in patients (pts) with estrogen receptor–positive, HER2-negative locally advanced or metastatic breast cancer (ER+, HER2– LA/mBC): Primary analysis of the phase III persevERA BC trial.

中文标题:Giredestrant(GIRE)联合哌柏西利(PALBO)对比来曲唑(LET)联合哌柏西利一线治疗雌激素受体阳性、HER2阴性局部晚期或转移性乳腺癌:III期persevERA BC试验的主要分析

报告时间:11:45-11:57AM

讲者:Nicholas C. Turner

摘要号:LBA1007

英文标题:First-line (1L) camizestrant (CAMI) for emergent ESR1 mutations (ESR1m) in advanced breast cancer (ABC): Final progression-free survival 2 (PFS2) from the phase III SERENA-6 trial

中文标题:一线camizestrant(CAMI)治疗晚期乳腺癌新发ESR1突变(ESR1m):III期SERENA-6 试验的最终无进展生存期2(PFS2)

报告时间:11:57-12:09PM

讲者:Francois Clement Bidard

Clinical Science Symposium

(临床科学研讨会)

The Dr. Bernard Fisher Memorial Annual Clinical Science Symposium Supported by the Breast Cancer Research Foundation: The Future of Immunotherapy for Breast Cancer

美国东部时间:5月31日8:30 - 10:00AM

地点:Hall B1

摘要号:1009

英文标题:Efficacy and safety of camrelizumab combined with docetaxel and carboplatin as neoadjuvant therapy for triple-negative breast cancer: The HELEN-Trio 011 randomized clinical trial

中文标题:卡瑞利珠单抗 (Camrelizumab) 联合多西他赛和卡铂作为三阴性乳腺癌新辅助治疗的有效性和安全性:HELEN-Trio 011 随机临床试验

报告时间:8:42-8:54AM

讲者:刘真真(河南省肿瘤医院)

摘要号:1010

英文标题:Time-of-day administration of immunotherapy in early-stage triple-negative breast cancer: Immune-dependent chronotherapy effects in the phase III A-BRAVE trial.

中文标题:早期三阴性乳腺癌免疫治疗的日间给药时机:III期A-BRAVE试验中的免疫依赖性时间治疗效应

报告时间:8:54-9:06AM

讲者:Maria Vittoria Dieci

摘要号:1011

英文标题:Primary results from the triple-negative cohort of TBCRC-053 (P-RAD): A randomized trial of no, low, or high dose preoperative radiation with pembrolizumab and chemotherapy in node-positive breast cancer.

中文标题:TBCRC-053 (P-RAD) 三阴性乳腺癌队列的主要结果:一项在淋巴结阳性乳腺癌中比较无、低或高剂量术前放疗联合帕博利珠单抗和化疗的随机试验

报告时间:9:06-9:18AM

讲者:Alice Y. Ho

摘要号:1012

英文标题:Trastuzumab deruxtecan (T-DXd) + durvalumab (D) in patients (pts) with previously untreated HER2+ unresectable/metastatic breast cancer (mBC): Final analysis from DESTINY-Breast07.

中文标题:德曲妥珠单抗(T-DXd)联合度伐利尤单抗(D)治疗既往未经治疗的HER2阳性不可切除/转移性乳腺癌(mBC)患者:DESTINY-Breast07研究的最终分析

报告时间:9:18-9:30AM

讲者:Sherene Loi

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