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Chen H, Dong K, Ding J, Xia J, Qu F, Lan F, Liao H, Qian Y, Huang J, Xu Z, Gu Z, Shi B, Yu M, Cui X, Yu Y. CRISPR genome-wide screening identifies PAK1 as a critical driver of ARSI cross-resistance in prostate cancer progression. Cancer Lett 2024; 587:216725. [PMID: 38364963 DOI: 10.1016/j.canlet.2024.216725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/26/2024] [Accepted: 02/10/2024] [Indexed: 02/18/2024]
Abstract
Next-generation androgen receptor signaling inhibitors (ARSIs), such as enzalutamide (Enza) and darolutamide (Daro), are initially effective for the treatment of advanced prostate cancer (PCa) and castration-resistant prostate cancer (CRPC). However, patients often relapse and develop cross-resistance, which consequently makes drug resistance an inevitable cause of CRPC-related mortality. By conducting a comprehensive analysis of GEO datasets, CRISPR genome-wide screening results, ATAC-seq data, and RNA-seq data, we systemically identified PAK1 as a significant contributor to ARSI cross-resistance due to the activation of the PAK1/RELA/hnRNPA1/AR-V7 axis. Inhibition of PAK1 followed by suppression of NF-κB pathways and AR-V7 expression effectively overcomes ARSI cross-resistance. Our findings indicate that PAK1 represents a promising therapeutic target gene for the treatment of ARSI cross-resistant PCa patients in the clinic. STATEMENT OF SIGNIFICANCE: PAK1 drives ARSI cross-resistance in prostate cancer progression.
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Affiliation(s)
- Haojie Chen
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China; Department of Urology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, 200062, China
| | - Keqin Dong
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China; Department of Urology, Chinese PLA General Hospital of Central Theater Command, Wuhan, 430064, China
| | - Jie Ding
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China
| | - Jia Xia
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China
| | - Fajun Qu
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China
| | - Fuying Lan
- Department of Urology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, 200062, China
| | - Haihong Liao
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China
| | - Yuhang Qian
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China
| | - Jiacheng Huang
- Department of Urology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, 200062, China
| | - Zihan Xu
- Department of Urology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, 200062, China
| | - Zhengqin Gu
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China.
| | - Bowen Shi
- Department of Urology, Huadong Hospital Affiliated to Fudan University, Shanghai, China.
| | - Mingming Yu
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
| | - Xingang Cui
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China.
| | - Yongjiang Yu
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200092, China.
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Lei L, Huang Y, Shi L, Ye W, Lv X, Ying L, Yu X, Cheng SHC, Zheng Y. Palbociclib sensitizes ER-positive breast cancer cells to fulvestrant by promoting the ubiquitin-mediated degradation of ER-α via SNHG17/Hippo-YAP axis. Breast Cancer Res Treat 2024; 203:613-625. [PMID: 37924380 PMCID: PMC10806073 DOI: 10.1007/s10549-023-07138-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/23/2023] [Indexed: 11/06/2023]
Abstract
PURPOSE Endocrine therapy is the anti-tumor therapy for human breast cancer but endocrine resistance was a major burden. It has been reported that Palbociclib and fulvestrant can be used in combination for the treatment of patients who are experiencing endocrine resistance. However, the underlying mechanism is unclear. In this study, we aimed to investigate the mechanism by which Palbocicilib affected ER-positive breast cancer, combined with fulvestrant. METHODS We first detected the effect of palbociclib on cell survival, growth and cycle distribution separately by MTT, colony formation and flow cytometry. Then SNHG17 was screened as palbociclib-targeted LncRNA by LncRNA-seq, and the SNHG17-targeted mRNAs were selected by mRNA-seq for further determination. Subsequently, the underlying mechanism by which palbociclib promoted the cytotoxicity of fulvestrant was confirmed by qRT-PCR, western blot, and immunoprecipitation. Eventually, the xenograft model and immunohistochemistry experiments were used to validate the sensitization effect of palbociclib on fulvestrant and its mechanism in vivo. RESULTS Palbociclib significantly enhanced the cytotoxicity of fulvestrant in fulvestrant-resistant breast cancer cell lines. Interestingly, this might be related to the lncRNA SNHG17 and the Hippo signaling pathway. And our subsequent western blotting experiments confirmed that overexpressing SNHG17 induced the down-regulation of LATS1 and up-regulated YAP expression. Furthermore, we found that the increased sensitivity of breast cancer cells was closely associated with the LATS1-mediated degradation of ER-α. The following animal experiments also indicated that overexpressing SNHG17 obviously impaired the anti-cancer effect of co-treatment of palbociclib and fulvestrant accompanied by decreased LATS1 and increased ER-α levels. CONCLUSION Palbociclib might sensitize the cytotoxicity of fulvestrant in ER-positive breast cancer cells by down-regulating SNHG17 expression, and then resulted in the LATS1-inactivated oncogene YAP and LATS1-mediated degradation of ER-α.
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Affiliation(s)
- Lei Lei
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China
| | - Yuan Huang
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China
| | - Lei Shi
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China
| | - Weiwu Ye
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China
| | - Xianmei Lv
- Department of Radiation Oncology, Jinhua People's Hospital, Jinhua, 321000, Zhejiang, China
| | - Lisha Ying
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China
- Zhejiang Cancer Institute, Zhejiang Cancer Hospital, Hangzhou, China
| | - Xingfei Yu
- Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China
| | - Skye Hung-Chun Cheng
- Department of Radiation Oncology, Koo Foundation, Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - Yabing Zheng
- Department of Breast Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China.
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3
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Corné J, Quillien V, Godey F, Cherel M, Cochet A, Le Du F, Robert L, Bourien H, Brunot A, Crouzet L, Perrin C, Lefeuvre-Plesse C, Diéras V, De la Motte Rouge T. Plasma-based analysis of ERBB2 mutational status by multiplex digital PCR in a large series of patients with metastatic breast cancer. Mol Oncol 2024. [PMID: 38287892 DOI: 10.1002/1878-0261.13592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/16/2023] [Accepted: 01/15/2024] [Indexed: 01/31/2024] Open
Abstract
Erb-b2 receptor tyrosine kinase 2 (ERBB2)-activating mutations are therapeutically actionable alterations found in various cancers, including metastatic breast cancer (MBC). We developed multiplex digital PCR assays to detect and quantify ERBB2 mutations in circulating tumor DNA from liquid biopsies. We studied the plasma from 272 patients with hormone-receptor-positive, human epidermal growth factor receptor 2-negative (HR+/HER2-) MBC to detect 17 ERBB2 mutations using a screening assay. The assay was developed on the three-color Crystal dPCR™ naica® platform with a two-step strategy for precise mutation identification. We found that nine patients (3.3%) harbored at least one ERBB2 mutation. The mutation rate was higher in patients with lobular histology (5.9%) compared to invasive breast carcinoma of no special type (2.6%). A total of 12 mutations were found with the following frequencies: L755S (25.00%), V777L (25.00%), S310Y (16.67%), L869R (16.67%), S310F (8.33%), and D769H (8.33%). Matched tumor samples from six patients identified the same mutations with an 83% concordance rate. In summary, our highly sensitive multiplex digital PCR assays are well suited for plasma-based monitoring of ERBB2 mutational status in patients with MBC.
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Affiliation(s)
- Julien Corné
- Department of Biology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Véronique Quillien
- Department of Biology, Centre Eugène Marquis, Unicancer, Rennes, France
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
- INSERM U1242, University of Rennes, France
| | - Florence Godey
- Department of Biology, Centre Eugène Marquis, Unicancer, Rennes, France
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
- INSERM U1242, University of Rennes, France
| | - Mathilde Cherel
- Department of Biology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Agathe Cochet
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Fanny Le Du
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Lucie Robert
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Héloïse Bourien
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Angélique Brunot
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Laurence Crouzet
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | - Christophe Perrin
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
| | | | - Véronique Diéras
- Department of Medical Oncology, Centre Eugène Marquis, Unicancer, Rennes, France
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Batra H, Mouabbi JA, Ding Q, Sahin AA, Raso MG. Lobular Carcinoma of the Breast: A Comprehensive Review with Translational Insights. Cancers (Basel) 2023; 15:5491. [PMID: 38001750 PMCID: PMC10670219 DOI: 10.3390/cancers15225491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/09/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
The second most common breast carcinoma, invasive lobular carcinoma, accounts for approximately 15% of tumors of breast origin. Its incidence has increased in recent times due in part to hormone replacement therapy and improvement in diagnostic modalities. Although believed to arise from the same cell type as their ductal counterpart, invasive lobular carcinomas (ILCs) are a distinct entity with different regulating genetic pathways, characteristic histologies, and different biology. The features most unique to lobular carcinomas include loss of E-Cadherin leading to discohesion and formation of a characteristic single file pattern on histology. Because most of these tumors exhibit estrogen receptor positivity and Her2 neu negativity, endocrine therapy has predominated to treat these tumors. However novel treatments like CDK4/6 inhibitors have shown importance and antibody drug conjugates may be instrumental considering newer categories of Her 2 Low breast tumors. In this narrative review, we explore multiple pathological aspects and translational features of this unique entity. In addition, due to advancement in technologies like spatial transcriptomics and other hi-plex technologies, we have tried to enlist upon the characteristics of the tumor microenvironment and the latest associated findings to better understand the new prospective therapeutic options in the current era of personalized treatment.
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Affiliation(s)
- Harsh Batra
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Jason Aboudi Mouabbi
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Qingqing Ding
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (Q.D.); (A.A.S.)
| | - Aysegul A. Sahin
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (Q.D.); (A.A.S.)
| | - Maria Gabriela Raso
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
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Zheng Y, Shen G, Zhang C, Huo X, Xin Y, Fang Q, Guan Y, Zhao F, Ren D, Liu Z, Wang M, Zhao J. Efficacy of anti-HER2 drugs in the treatment of patients with HER2-mutated cancers: a systematic review and meta-analysis. Clin Exp Med 2023; 23:3205-3216. [PMID: 37120775 DOI: 10.1007/s10238-023-01072-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 04/06/2023] [Indexed: 05/01/2023]
Abstract
Anti-human epidermal growth factor receptor-2 (anti-HER2) therapy has shown excellent efficacy in patients with HER2 overexpression and amplification. Although HER2 mutations are rarely expressed in several cancers, when they occur, they can activate the HER2 signaling pathway. In recent years, studies have shown that anti-HER2 drugs have promising efficacy in patients with HER2 mutations. Based on keywords, we searched databases, such as PubMed, Embase, and Cochrane Library, and the main conference abstracts. We extracted data on objective response rate (ORR), clinical benefit rate (CBR), duration of response (DOR), progression-free survival (PFS), and overall survival (OS) from studies on the efficacy of anti-HER2 therapies in patients with HER2-mutated cancers, and analyzed grade 3 or higher adverse events (AEs). We included 19 single-arm clinical studies and 3 randomized controlled trials (RCTs), containing a total of 1017 patients with HER2 mutations, involving seven drugs and nine cancers, and 18 studies enrolled a high proportion of heavily pretreated patients who had received multiple lines of therapy. Our results showed pooled ORR and CBR of 25.0% (range, 3.8-72.7%; 95% CI, 18-32%) and 36.0% (range, 8.3-63.0%; 95% CI, 31-42%) for anti-HER2 therapy in HER2-mutated cancers. The pooled median PFS, OS, DOR were 4.89 (95% CI, 4.16-5.62), 12.78 (95% CI, 10.24-15.32), and 8.12 (95% CI, 6.48-9.75) months, respectively. In a subgroup analysis, we analyzed the ORR for different cancers, showing 27.0, 25.0, 23.0, and 16.0% for breast, lung, cervical, and biliary tract cancers, respectively. ORR analyses were performed for different drugs as monotherapy or in combination, showing 60.0% for trastuzumab deruxtecan (T-DXd), 31.0% for pyrotinib, 26.0% for neratinib combined with trastuzumab, 25.0% for neratinib combined with fulvestrant, 19.0% for trastuzumab combined with pertuzumab, and 16.0% for neratinib. In addition, we found that diarrhoea, neutropenia, and thrombocytopenia were the most common grade ≥ 3 AEs associated with anti-HER2 therapeutic agents. In this meta-analysis of heavily pretreated patients with HER2 mutations, anti-HER2 therapies, DS-8201 and trastuzumab emtansine, showed promising efficacy and activity. Anti-HER2 therapies showed different efficacies in different or the same cancer settings and all had a tolerable safety profile.
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Affiliation(s)
- Yonghui Zheng
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Guoshuang Shen
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Chengrong Zhang
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Xingfa Huo
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Yuanfang Xin
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Qianqian Fang
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Yumei Guan
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Fuxing Zhao
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Dengfeng Ren
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Zhen Liu
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Miaozhou Wang
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Jiuda Zhao
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital, Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China.
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Kalra R, Lim B, Ellis MJ, Kavuri SM. The uncharted role of HER2 mutant alleles in breast cancer. Oncotarget 2023; 14:904-907. [PMID: 37921670 PMCID: PMC10624202 DOI: 10.18632/oncotarget.28489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Indexed: 11/04/2023] Open
Abstract
Somatic HER2 mutations are a novel class of therapeutic targets across different cancer types. Treatment with the tyrosine kinase inhibitor (TKI) neratinib as a single agent continues to be evaluated in HER2-mutant metastatic disease. However, responses are heterogeneous, with frequent early progression. Herein, we discuss the under-explored effects of individual HER2 mutant alleles on therapeutic response, a role for HER2 mutation in metastatic propensity, and differences in patient outcomes in ER+ invasive lobular carcinoma (ILC) versus invasive ductal carcinoma (IDC). The preclinical efficacy of additional agents is also discussed, particularly the pan-HER inhibitor poziotinib.
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Affiliation(s)
| | | | | | - Shyam M. Kavuri
- Correspondence to:Shyam M. Kavuri, Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA; Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA email
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7
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Jhaveri K, Eli LD, Wildiers H, Hurvitz SA, Guerrero-Zotano A, Unni N, Brufsky A, Park H, Waisman J, Yang ES, Spanggaard I, Reid S, Burkard ME, Vinayak S, Prat A, Arnedos M, Bidard FC, Loi S, Crown J, Bhave M, Piha-Paul SA, Suga JM, Chia S, Saura C, Garcia-Saenz JÁ, Gambardella V, de Miguel MJ, Gal-Yam EN, Rapael A, Stemmer SM, Ma C, Hanker AB, Ye D, Goldman JW, Bose R, Peterson L, Bell JSK, Frazier A, DiPrimeo D, Wong A, Arteaga CL, Solit DB. Neratinib + fulvestrant + trastuzumab for HR-positive, HER2-negative, HER2-mutant metastatic breast cancer: outcomes and biomarker analysis from the SUMMIT trial. Ann Oncol 2023; 34:885-898. [PMID: 37597578 DOI: 10.1016/j.annonc.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/21/2023] Open
Abstract
BACKGROUND HER2 mutations are targetable alterations in patients with hormone receptor-positive (HR+) metastatic breast cancer (MBC). In the SUMMIT basket study, patients with HER2-mutant MBC received neratinib monotherapy, neratinib + fulvestrant, or neratinib + fulvestrant + trastuzumab (N + F + T). We report results from 71 patients with HR+, HER2-mutant MBC, including 21 (seven in each arm) from a randomized substudy of fulvestrant versus fulvestrant + trastuzumab (F + T) versus N + F + T. PATIENTS AND METHODS Patients with HR+ HER2-negative MBC with activating HER2 mutation(s) and prior cyclin-dependent kinase 4/6 inhibitor (CDK4/6i) therapy received N + F + T (oral neratinib 240 mg/day with loperamide prophylaxis, intramuscular fulvestrant 500 mg on days 1, 15, and 29 of cycle 1 then q4w, intravenous trastuzumab 8 mg/kg then 6 mg/kg q3w) or F + T or fulvestrant alone. Those whose disease progressed on F + T or fulvestrant could cross-over to N + F + T. Efficacy endpoints included investigator-assessed objective response rate (ORR), clinical benefit rate (RECIST v1.1), duration of response, and progression-free survival (PFS). Plasma and/or formalin-fixed paraffin-embedded tissue samples were collected at baseline; plasma was collected during and at end of treatment. Extracted DNA was analyzed by next-generation sequencing. RESULTS ORR for 57 N + F + T-treated patients was 39% [95% confidence interval (CI) 26% to 52%); median PFS was 8.3 months (95% CI 6.0-15.1 months). No responses occurred in fulvestrant- or F + T-treated patients; responses in patients crossing over to N + F + T supported the requirement for neratinib in the triplet. Responses were observed in patients with ductal and lobular histology, 1 or ≥1 HER2 mutations, and co-occurring HER3 mutations. Longitudinal circulating tumor DNA sequencing revealed acquisition of additional HER2 alterations, and mutations in genes including PIK3CA, enabling further precision targeting and possible re-response. CONCLUSIONS The benefit of N + F + T for HR+ HER2-mutant MBC after progression on CDK4/6is is clinically meaningful and, based on this study, N + F + T has been included in the National Comprehensive Cancer Network treatment guidelines. SUMMIT has improved our understanding of the translational implications of targeting HER2 mutations with neratinib-based therapy.
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Affiliation(s)
- K Jhaveri
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York; Weill Cornell Medical College, New York.
| | - L D Eli
- Clinical Development, Puma Biotechnology, Los Angeles, USA
| | - H Wildiers
- University Hospitals Leuven, Leuven, Belgium
| | - S A Hurvitz
- David Geffen School of Medicine, UCLA, Los Angeles, Santa Monica, USA
| | - A Guerrero-Zotano
- Medical Oncology Department, Fundación Instituto Valenciano de Oncología, Valencia, Spain
| | - N Unni
- UT Southwestern Medical Center, Dallas
| | - A Brufsky
- Magee-Womens Hospital of UPMC, Pittsburgh
| | - H Park
- Washington University School of Medicine, St. Louis
| | - J Waisman
- City of Hope Comprehensive Cancer Center, Duarte
| | - E S Yang
- University of Alabama at Birmingham, Birmingham, USA
| | - I Spanggaard
- Department of Oncology, Rigshospitalet - Copenhagen University Hospital, Copenhagen, Denmark
| | - S Reid
- Division of Hematology/Oncology (Breast Oncology), The Vanderbilt-Ingram Cancer Center, Nashville
| | - M E Burkard
- Division of Hematology/Oncology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison
| | - S Vinayak
- Seattle Cancer Care Alliance, Seattle, USA
| | - A Prat
- Hospital Clínic de Barcelona, Barcelona, Spain
| | - M Arnedos
- Department of Medical Oncology, Gustave Roussy, Villejuif
| | - F-C Bidard
- Department of Medical Oncology, UVSQ/Paris-Saclay University, Institut Curie, Saint Cloud, France
| | - S Loi
- Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne; The Sir Peter MacCallum Department of Medical Oncology, The University of Melbourne, Parkville, Australia
| | - J Crown
- St. Vincent's University Hospital, Dublin, Ireland
| | - M Bhave
- Department of Hematology/Oncology, Emory University, Winship Cancer Institute, Atlanta
| | - S A Piha-Paul
- Department of Investigational Cancer Therapeutics, University of Texas MD Anderson Cancer Center, Houston
| | - J M Suga
- Kaiser Permanente, Department of Medical Oncology, Vallejo, USA
| | - S Chia
- Department of Medical Oncology, British Columbia Cancer Agency, Vancouver, Canada
| | - C Saura
- Medical Oncology Service, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology (VHIO), Barcelona
| | - J Á Garcia-Saenz
- Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), CIBERONC, Madrid
| | - V Gambardella
- Hospital Clínico de Valencia, Instituto de Investigación Sanitaria INCLIVA, Valencia
| | - M J de Miguel
- START Madrid - Hospital Universitario Madrid Sanchinarro, Madrid, Spain
| | - E N Gal-Yam
- Institute of Breast Oncology, Sheba Medical Center, Ramat Gan
| | - A Rapael
- Sourasky Medical Center, Tel Aviv
| | - S M Stemmer
- Davidoff Cancer Center, Rabin Medical Center, Petah Tikva; Tel Aviv University, Tel Aviv, Israel
| | - C Ma
- Division of Medical Oncology, Department of Medicine and Siteman Cancer Center, Washington University, St. Louis
| | - A B Hanker
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas
| | - D Ye
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas
| | | | - R Bose
- Division of Medical Oncology, Department of Medicine and Siteman Cancer Center, Washington University, St. Louis
| | - L Peterson
- Division of Medical Oncology, Department of Medicine and Siteman Cancer Center, Washington University, St. Louis
| | | | - A Frazier
- Clinical Development, Puma Biotechnology, Los Angeles, USA
| | - D DiPrimeo
- Clinical Development, Puma Biotechnology, Los Angeles, USA
| | - A Wong
- Clinical Development, Puma Biotechnology, Los Angeles, USA
| | - C L Arteaga
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas
| | - D B Solit
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York
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8
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Marín A, Al Mamun A, Patel H, Akamatsu H, Ye D, Sudhan DR, Eli L, Marcelain K, Brown BP, Meiler J, Arteaga CL, Hanker AB. Acquired Secondary HER2 Mutations Enhance HER2/MAPK Signaling and Promote Resistance to HER2 Kinase Inhibition in Breast Cancer. Cancer Res 2023; 83:3145-3158. [PMID: 37404061 PMCID: PMC10530374 DOI: 10.1158/0008-5472.can-22-3617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 05/23/2023] [Accepted: 06/30/2023] [Indexed: 07/06/2023]
Abstract
HER2 mutations drive the growth of a subset of breast cancers and are targeted with HER2 tyrosine kinase inhibitors (TKI) such as neratinib. However, acquired resistance is common and limits the durability of clinical responses. Most HER2-mutant breast cancers progressing on neratinib-based therapy acquire secondary mutations in HER2. It is unknown whether these secondary HER2 mutations, other than the HER2T798I gatekeeper mutation, are causal to neratinib resistance. Herein, we show that secondary acquired HER2T862A and HER2L755S mutations promote resistance to HER2 TKIs via enhanced HER2 activation and impaired neratinib binding. While cells expressing each acquired HER2 mutation alone were sensitive to neratinib, expression of acquired double mutations enhanced HER2 signaling and reduced neratinib sensitivity. Computational structural modeling suggested that secondary HER2 mutations stabilize the HER2 active state and reduce neratinib binding affinity. Cells expressing double HER2 mutations exhibited resistance to most HER2 TKIs but retained sensitivity to mobocertinib and poziotinib. Double-mutant cells showed enhanced MEK/ERK signaling, which was blocked by combined inhibition of HER2 and MEK. Together, these findings reveal the driver function of secondary HER2 mutations in resistance to HER2 inhibition and provide a potential treatment strategy to overcome acquired resistance to HER2 TKIs in HER2-mutant breast cancer. SIGNIFICANCE HER2-mutant breast cancers acquire secondary HER2 mutations that drive resistance to HER2 tyrosine kinase inhibitors, which can be overcome by combined inhibition of HER2 and MEK.
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Affiliation(s)
- Arnaldo Marín
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas, TX 75390, USA
- Doctoral Program in Medical Sciences, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
- Department of Basic and Clinical Oncology, Faculty of Medicine, University of Chile, Santiago 838045, Chile
- These authors contributed equally: Arnaldo Marin, Abdullah Al Mamun
| | - Abdullah Al Mamun
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
- These authors contributed equally: Arnaldo Marin, Abdullah Al Mamun
| | - Hima Patel
- Department of Basic and Clinical Oncology, Faculty of Medicine, University of Chile, Santiago 838045, Chile
| | - Hiroaki Akamatsu
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas, TX 75390, USA
- Current Address: Internal Medicine III, Wakayama Medical University, Wakayama, Japan
| | - Dan Ye
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas, TX 75390, USA
| | - Dhivya R. Sudhan
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas, TX 75390, USA
| | - Lisa Eli
- Puma Biotechnology, Inc., Los Angeles, CA 90024, USA
| | - Katherine Marcelain
- Department of Basic and Clinical Oncology, Faculty of Medicine, University of Chile, Santiago 838045, Chile
| | - Benjamin P. Brown
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
| | - Jens Meiler
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
- Institute for Drug Discovery, Leipzig University Medical School, Leipzig, 04103, Germany
| | - Carlos L. Arteaga
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas, TX 75390, USA
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ariella B. Hanker
- UT Southwestern Simmons Comprehensive Cancer Center, Dallas, TX 75390, USA
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA
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9
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Huang CC, Tsai YF, Liu CY, Lien PJ, Lin YS, Chao TC, Feng CJ, Chen YJ, Lai JI, Cheng HF, Chen BF, Hsu CY, Chiu JH, Tseng LM. Concordance of Targeted Sequencing from Circulating Tumor DNA and Paired Tumor Tissue for Early Breast Cancer. Cancers (Basel) 2023; 15:4475. [PMID: 37760445 PMCID: PMC10526508 DOI: 10.3390/cancers15184475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/30/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
In this study, we evaluated the concordance of targeted sequencing between paired ctDNA and matched tumor samples from early breast cancers treated with curative intention. Molecular profiling was performed using the Oncomine Comprehensive Assay v3 and the Oncomine Breast cfDNA Assay v2. The liquid biopsy detection rate was 39% (all-stage breast cancers, n = 612). Among 246 early-stage patients assayed for both ctDNA and matched tumor, the cfDNA assay detected 73 (29.6%) and the comprehensive assay detected 201 (81.7%) breast cancers with at least one alteration (χ2 test, p = 0.001). In total, 67 (25.6%) cases tested positive on both platforms, while the cfDNA and comprehensive assays detected an additional 10 (4%) and 138 (56%) cases, respectively. The most prevalent mutant genes were TP53 (68.3%) and KRAS (53.5%), while the PIK3CA (39.4%), AKT1 (45.9%), and ERBB2 (17.1%) mutations constituted biomarkers for FDA-approved therapeutics. Our study showed that tumor tissue should be the source of actionable mutation detection for early breast cancers, considering that the concordance rate between tumor and liquid biopsy was only one-quarter.
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Affiliation(s)
- Chi-Cheng Huang
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei 10617, Taiwan
| | - Yi-Fang Tsai
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
| | - Chun-Yu Liu
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
- Division of Transfusion Medicine, Department of Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Pei-Ju Lien
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Yen-Shu Lin
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Ta-Chung Chao
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
- Division of Chemotherapy, Department of Oncology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Chin-Jung Feng
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Yen-Jen Chen
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
| | - Jiun-I Lai
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
| | - Han-Fang Cheng
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
| | - Bo-Fang Chen
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Chih-Yi Hsu
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
- Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Jen-Hwey Chiu
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
| | - Ling-Ming Tseng
- Comprehensive Breast Health Center, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (C.-C.H.); (Y.-F.T.); (C.-Y.L.); (P.-J.L.); (Y.-S.L.); (T.-C.C.); (C.-J.F.); (Y.-J.C.); (J.-I.L.); (H.-F.C.); (B.-F.C.); (J.-H.C.)
- Division of Breast Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan;
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10
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Ma J, Chan JJ, Toh CH, Yap YS. Emerging systemic therapy options beyond CDK4/6 inhibitors for hormone receptor-positive HER2-negative advanced breast cancer. NPJ Breast Cancer 2023; 9:74. [PMID: 37684290 PMCID: PMC10491615 DOI: 10.1038/s41523-023-00578-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023] Open
Abstract
Endocrine therapy (ET) with cyclin-dependent kinase 4/6 inhibitor (CDK4/6i) is currently the standard first-line treatment for most patients with hormone receptor (HR) positive, human epidermal growth factor receptor (HER2) negative advanced breast cancer. However, resistance to ET and CDK4/6i inevitably ensues. The optimal post-progression treatment regimens and their sequencing continue to evolve in the rapidly changing treatment landscape. In this review, we summarize the mechanisms of resistance to ET and CDK4/6i, which can be broadly classified as alterations affecting cell cycle mediators and activation of alternative signaling pathways. Recent clinical trials have been directed at the targets and pathways implicated, including estrogen and androgen receptors, PI3K/AKT/mTOR and MAPK pathways, tyrosine kinase receptors such as FGFR and HER2, homologous recombination repair pathway, other components of the cell cycle and cell death. We describe the findings from these clinical trials using small molecule inhibitors, antibody-drug conjugates and immunotherapy, providing insights into how these novel strategies may circumvent treatment resistance, and discuss how some have not translated into clinical benefit. The challenges posed by tumor heterogeneity, adaptive rewiring of signaling pathways and dose-limiting toxicities underscore the need to elucidate the latest tumor biology in each patient, and develop treatments with improved therapeutic index in the era of precision medicine.
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Affiliation(s)
- Jun Ma
- Division of Medical Oncology, National Cancer Centre Singapore, 30 Hospital Boulevard, Singapore, 168583, Singapore
| | - Jack Junjie Chan
- Division of Medical Oncology, National Cancer Centre Singapore, 30 Hospital Boulevard, Singapore, 168583, Singapore
- Oncology Academic Clinical Programme, Duke-NUS Medical School, 8 College Road, Singapore, 169857, Singapore
| | - Ching Han Toh
- Division of Medical Oncology, National Cancer Centre Singapore, 30 Hospital Boulevard, Singapore, 168583, Singapore
| | - Yoon-Sim Yap
- Division of Medical Oncology, National Cancer Centre Singapore, 30 Hospital Boulevard, Singapore, 168583, Singapore.
- Oncology Academic Clinical Programme, Duke-NUS Medical School, 8 College Road, Singapore, 169857, Singapore.
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11
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Cheng X, Sun Y, Highkin M, Vemalapally N, Jin X, Zhou B, Prior JL, Tipton AR, Li S, Iliuk A, Achilefu S, Hagemann IS, Edwards JR, Bose R. Breast Cancer Mutations HER2V777L and PIK3CAH1047R Activate the p21-CDK4/6-Cyclin D1 Axis to Drive Tumorigenesis and Drug Resistance. Cancer Res 2023; 83:2839-2857. [PMID: 37272756 PMCID: PMC10527017 DOI: 10.1158/0008-5472.can-22-3558] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 04/12/2023] [Accepted: 06/01/2023] [Indexed: 06/06/2023]
Abstract
In metastatic breast cancer, HER2-activating mutations frequently co-occur with mutations in PIK3CA, TP53, or CDH1. Of these co-occurring mutations, HER2 and PIK3CA are the most commonly comutated gene pair, with approximately 40% of HER2-mutated breast cancers also having activating mutations in PIK3CA. To study the effects of co-occurring HER2 and PIK3CA mutations, we generated genetically engineered mice with the HER2V777L; PIK3CAH1047R transgenes (HP mice) and studied the resulting breast cancers both in vivo as well as ex vivo using cancer organoids. HP breast cancers showed accelerated tumor formation in vivo and increased invasion and migration in in vitro assays. HP breast cancer cells were resistant to the pan-HER tyrosine kinase inhibitor, neratinib, but were effectively treated with neratinib plus the HER2-targeted antibody-drug conjugate trastuzumab deruxtecan. Proteomic and RNA-seq analysis of HP breast cancers identified increased gene expression of cyclin D1 and p21WAF1/Cip1 and changes in cell-cycle markers. Combining neratinib with CDK4/6 inhibitors was another effective strategy for treating HP breast cancers, with neratinib plus palbociclib showing a statistically significant reduction in development of mouse HP tumors as compared to either drug alone. The efficacy of both the neratinib plus trastuzumab deruxtecan and neratinib plus palbociclib combinations was validated using a human breast cancer patient-derived xenograft with very similar HER2 and PIK3CA mutations to the HP mice. Further, these two drug combinations effectively treated spontaneous lung metastasis in syngeneic mice transplanted with HP breast cancer organoids. This study provides valuable preclinical data to support the ongoing phase 1 clinical trials of these drug combinations in breast cancer. SIGNIFICANCE In HER2-mutated breast cancer, PIK3CA mutation activates p21-CDK4/6-cyclin D1 signaling to drive resistance to HER2-targeted therapies, which can be overcome using CDK4/6 inhibitors.
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Affiliation(s)
- Xiaoqing Cheng
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Yirui Sun
- Center for Pharmacogenomics, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Maureen Highkin
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Nagalaxmi Vemalapally
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Xiaohua Jin
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Brandon Zhou
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Julie L. Prior
- Department of Radiology, Washington University School of Medicine, St. Louis, MO 63110
| | - Ashley R. Tipton
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Shunqiang Li
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
| | - Anton Iliuk
- Tymora Analytical Operations, 1201 Cumberland Ave. West Lafayette, IN 47906
| | - Samuel Achilefu
- Department of Radiology, Washington University School of Medicine, St. Louis, MO 63110
| | - Ian S. Hagemann
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO 63110
- Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO 63110
| | - John R. Edwards
- Center for Pharmacogenomics, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
- Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO 63110
| | - Ron Bose
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110
- Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO 63110
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12
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Nguyen HL, Geukens T, Maetens M, Aparicio S, Bassez A, Borg A, Brock J, Broeks A, Caldas C, Cardoso F, De Schepper M, Delorenzi M, Drukker CA, Glas AM, Green AR, Isnaldi E, Eyfjörð J, Khout H, Knappskog S, Krishnamurthy S, Lakhani SR, Langerod A, Martens JWM, McCart Reed AE, Murphy L, Naulaerts S, Nik-Zainal S, Nevelsteen I, Neven P, Piccart M, Poncet C, Punie K, Purdie C, Rakha EA, Richardson A, Rutgers E, Vincent-Salomon A, Simpson PT, Schmidt MK, Sotiriou C, Span PN, Tan KTB, Thompson A, Tommasi S, Van Baelen K, Van de Vijver M, Van Laere S, Van't Veer L, Viale G, Viari A, Vos H, Witteveen AT, Wildiers H, Floris G, Garg AD, Smeets A, Lambrechts D, Biganzoli E, Richard F, Desmedt C. Obesity-associated changes in molecular biology of primary breast cancer. Nat Commun 2023; 14:4418. [PMID: 37479706 PMCID: PMC10361985 DOI: 10.1038/s41467-023-39996-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 07/06/2023] [Indexed: 07/23/2023] Open
Abstract
Obesity is associated with an increased risk of developing breast cancer (BC) and worse prognosis in BC patients, yet its impact on BC biology remains understudied in humans. This study investigates how the biology of untreated primary BC differs according to patients' body mass index (BMI) using data from >2,000 patients. We identify several genomic alterations that are differentially prevalent in overweight or obese patients compared to lean patients. We report evidence supporting an ageing accelerating effect of obesity at the genetic level. We show that BMI-associated differences in bulk transcriptomic profile are subtle, while single cell profiling allows detection of more pronounced changes in different cell compartments. These analyses further reveal an elevated and unresolved inflammation of the BC tumor microenvironment associated with obesity, with distinct characteristics contingent on the estrogen receptor status. Collectively, our analyses imply that obesity is associated with an inflammaging-like phenotype. We conclude that patient adiposity may play a significant role in the heterogeneity of BC and should be considered for BC treatment tailoring.
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Affiliation(s)
- Ha-Linh Nguyen
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Tatjana Geukens
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Marion Maetens
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Samuel Aparicio
- Department of Molecular Oncology, BC Cancer Research Centre, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Ayse Bassez
- Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
- VIB Center for Cancer Biology, Leuven, Belgium
| | - Ake Borg
- Department of Clinical Sciences, Division of Oncology and Pathology, Lund University, Lund, Sweden
- Lund University Cancer Center Lund, Lund, Sweden
- CREATE Health Strategic Centre for Translational Cancer Research, Lund University, Lund, Sweden
- Department of Clinical Sciences, SCIBLU Genomics, Lund University, Lund, Sweden
| | - Jane Brock
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Annegien Broeks
- Departments of Core Facility, Molecular Pathology and Biobanking, Antoni van Leeuwenhoek, the Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Carlos Caldas
- Cancer Research UK Cambridge Institute and Department of Oncology, Li Ka Shing Centre, University of Cambridge, Cambridge, UK
| | - Fatima Cardoso
- Breast Unit, Champalimaud Clinical Center/Champalimaud Foundation, Lisbon, Portugal
| | - Maxim De Schepper
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Mauro Delorenzi
- Department of Oncology, University of Lausanne, Epalinges, Switzerland
- SIB Swiss Institute of Bioinformatics, Bioinformatics Core Facility, Lausanne, Switzerland
| | - Caroline A Drukker
- Department of Surgical Oncology, Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | | | - Andrew R Green
- Nottingham Breast Cancer Research Centre, School of Medicine, University of Nottingham, Nottingham, UK
| | - Edoardo Isnaldi
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Jórunn Eyfjörð
- BioMedical Center, School of Health Sciences, Faculty of Medicine, University of Iceland, Reykjavík, Iceland
| | - Hazem Khout
- Department of Breast Surgery, Glenfield Hospital, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Stian Knappskog
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
- Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Savitri Krishnamurthy
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sunil R Lakhani
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, QLD, Australia
- Pathology Queensland, The Royal Brisbane and Women's Hospital, Herston, QLD, Australia
| | - Anita Langerod
- Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, Ullernchausseen, Oslo, Norway
| | - John W M Martens
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Amy E McCart Reed
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, QLD, Australia
| | - Leigh Murphy
- University of Manitoba and Cancer Care Manitoba Research Institute, Winnipeg, MB, Canada
| | - Stefan Naulaerts
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Serena Nik-Zainal
- Department of Medical Genetics, School of Clinical Medicine, University of Cambridge, Cambridge, UK
- MRC Cancer Unit, School of Clinical Medicine, University of Cambridge, Cambridge, UK
| | - Ines Nevelsteen
- Department of Surgical Oncology, University Hospitals Leuven, KU Leuven, Leuven, Belgium
| | - Patrick Neven
- Department of Gynecological Oncology, University Hospitals Leuven, Leuven, Belgium
| | - Martine Piccart
- Institut Jules Bordet and Université Libre de Bruxelles, Brussels, Belgium
| | - Coralie Poncet
- European Organisation for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - Kevin Punie
- Department of General Medical Oncology and Multidisciplinary Breast Unit, Leuven Cancer Institute and University Hospitals Leuven, Leuven, Belgium
| | - Colin Purdie
- Department of Pathology, University of Dundee, NHS Tayside, Dundee, UK
| | - Emad A Rakha
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham, Nottingham, UK
- Department of Histopathology, Nottingham University Hospital NHS Trust, City Hospital Campus, Nottingham, UK
| | | | - Emiel Rutgers
- Department of Surgical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Anne Vincent-Salomon
- Diagnostic and Theranostic Medicine Division, Institut Curie, PSL Research University, Paris, France
| | - Peter T Simpson
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, QLD, Australia
| | - Marjanka K Schmidt
- Division of Molecular Pathology, Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | - Christos Sotiriou
- Institut Jules Bordet, Universite Libre de Bruxelles, Brussels, Belgium
| | - Paul N Span
- Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Kiat Tee Benita Tan
- Department of General Surgery, Sengkang General Hospital, Singapore, Singapore
- Department of Breast Surgery, Singapore General Hospital, Singapore, Singapore
- Department of Breast Surgery, National Cancer Centre, Singapore, Singapore
| | - Alastair Thompson
- Department of Surgery, Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, USA
| | - Stefania Tommasi
- Molecular Diagnostics and Pharmacogenetics Unit, IRCCS Istituto Tumouri "Giovanni Paolo II", Bari, Italy
| | - Karen Van Baelen
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Marc Van de Vijver
- Department of Pathology, Amsterdam University Medical Centers, Cancer Center Amsterdam, University of Amsterdam, Amsterdam, the Netherlands
| | - Steven Van Laere
- Center for Oncological Research (CORE), Integrated Personalized and Precision Oncology Network (IPPON), University of Antwerp, Antwerp, Belgium
| | - Laura Van't Veer
- Department of Laboratory Medicine, UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, CA, USA
| | - Giuseppe Viale
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Alain Viari
- Synergie Lyon Cancer, Plateforme de Bio-informatique 'Gilles Thomas', Lyon, France
| | - Hanne Vos
- Department of Surgical Oncology, University Hospitals Leuven, Leuven, Belgium
| | | | - Hans Wildiers
- Department of General Medical Oncology and Multidisciplinary Breast Unit, Leuven Cancer Institute and University Hospitals Leuven, Leuven, Belgium
| | - Giuseppe Floris
- Department of Pathology, University Hospitals Leuven, Leuven, Belgium
| | - Abhishek D Garg
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Ann Smeets
- Department of Surgical Oncology, University Hospitals Leuven, Leuven, Belgium
| | - Diether Lambrechts
- Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
- VIB Center for Cancer Biology, Leuven, Belgium
| | - Elia Biganzoli
- Unit of Medical Statistics, Biometry and Epidemiology, Department of Biomedical and Clinical Sciences (DIBIC) "L. Sacco" & DSRC, LITA Vialba campus, Università degli Studi di Milano, Milan, Italy
| | - François Richard
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Christine Desmedt
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium.
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13
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Raghav KP, Moasser MM. Molecular Pathways and Mechanisms of HER2 in Cancer Therapy. Clin Cancer Res 2023; 29:2351-2361. [PMID: 36574481 PMCID: PMC10293474 DOI: 10.1158/1078-0432.ccr-22-0283] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/18/2022] [Accepted: 12/16/2022] [Indexed: 12/28/2022]
Abstract
The oncogene ERBB2 encoding the receptor tyrosine-protein kinase erbB-2 (HER2) is frequently overexpressed or amplified and occasionally mutated in a variety of human cancers. The early discovery of this oncogene, its established oncogenic relevance in diverse cancers, its substantial expression on the surface of cancer cells, and its druggable catalytic activity have made it one of the most pursued targets in the history of cancer drug development. Initiatives targeting HER2 provided the early stimulus for several transformational pharmaceutical technologies, including mAbs, tyrosine kinase inhibitors, antibody-drug conjugates, and others. The seismic impact of these efforts has been felt in treatment of many cancers, including breast, gastroesophageal, lung, colorectal, and others. This impact continues to broaden with increasing indications on the horizon and a plethora of novel agents in development. However, implementation of these therapeutic strategies has been complex. The clinical translation of every one of these classes of agents has been notable for underperformance or overperformance characteristics that have informed new lines of research providing deeper insights into the mechanistic complexities and unrealized opportunities provided by this molecular target. Despite all the successes to date, the preponderance of scientific evidence indicates that the full potential of HER2 as a target for cancer therapeutics is far greater than currently realized, and numerous lines of investigation are ongoing to deepen and broaden the scope of impact of HER2 as a signaling, homing, or immunologic target. In this review, we explore the existing data and evolving paradigms surrounding this remarkable target for cancer therapy.
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Affiliation(s)
- Kanwal P.S. Raghav
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, TX, USA
| | - Mark M. Moasser
- Department of Medicine (Hematology/Oncology), Helen Diller Family Comprehensive Cancer Center, University of California San Francisco (UCSF), San Francisco, CA, USA
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14
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Pegram M, Jackisch C, Johnston SRD. Estrogen/HER2 receptor crosstalk in breast cancer: combination therapies to improve outcomes for patients with hormone receptor-positive/HER2-positive breast cancer. NPJ Breast Cancer 2023; 9:45. [PMID: 37258523 DOI: 10.1038/s41523-023-00533-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 04/04/2023] [Indexed: 06/02/2023] Open
Abstract
The human epidermal growth factor receptor 2 (HER2) is overexpressed in 13-22% of breast cancers (BC). Approximately 60-70% of HER2+ BC co-express hormone receptors (HRs). HR/HER2 co-expression modulates response to both anti-HER2-directed and endocrine therapy due to "crosstalk" between the estrogen receptor (ER) and HER2 pathways. Combined HER2/ER blockade may be an effective treatment strategy for patients with HR+/HER2+ BC in the appropriate clinical setting(s). In this review, we provide an overview of crosstalk between the ER and HER2 pathways, summarize data from recently published and ongoing clinical trials, and discuss clinical implications for targeted treatment of HR+/HER2+ BC.
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Affiliation(s)
- Mark Pegram
- Stanford Cancer Institute, Stanford, CA, USA.
| | - Christian Jackisch
- Obstetrics and Gynaecology and Breast Cancer Center, Klinikum Offenbach GmbH, Offenbach, Germany
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15
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Tian H, Qu M, Zhang G, Yuan L, Shi Q, Wang Y, Yang Y, Zhang Y, Qi X. Dramatic Response to Pyrotinib and T-DM1 in HER2-Negative Metastatic Breast Cancer With 2 Activating HER2 Mutations. Oncologist 2023:7147272. [PMID: 37120151 DOI: 10.1093/oncolo/oyad122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/28/2023] [Indexed: 05/01/2023] Open
Abstract
HER2 signaling is activated in response to somatic HER2 mutations, which are often found in invasive lobular breast cancer (ILC) and are associated with poor prognosis. Tyrosine kinase inhibitors (TKIs) have demonstrated considerable antitumor activity in patients with HER2-mutated advanced breast cancer (BC). Further, several clinical trials have indicated that HER2-targeted antibody-drug conjugates (ADCs) exhibit promising efficacy in lung cancer with HER2 mutations, and the efficacy of ADCs against HER2-mutated BC is currently being evaluated. Several preclinical studies have demonstrated that the therapeutic efficacy of ADCs in HER2-mutated cancer can be enhanced by the addition of irreversible TKIs, but the potential of such a combined treatment regimen for the treatment of HER2-mutated BC has not been reported. Herein, we describe a case in which a patient with estrogen receptor-positive/HER2-negative metastatic ILC with 2 activating HER2 mutations (D769H and V777L) exhibited a significant and durable response to anti-HER2 treatment with pyrotinib (an irreversible TKI) in combination with ado-trastuzumab emtansine, which was administered after multiple lines of therapy that had resulted in disease progression. Further, based on the evidence from the present case, TKI plus ADC seems to be a promising combination anti-HER2 regimen for patients with HER2-negative/HER2-mutated advanced BC, although further rigorous studies are warranted to confirm these findings.
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Affiliation(s)
- Hao Tian
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Man Qu
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Guozhi Zhang
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Long Yuan
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Qiyun Shi
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Yinhuan Wang
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Ying Yang
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Yi Zhang
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
| | - Xiaowei Qi
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, People's Republic of China
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16
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Voorwerk L, Isaeva OI, Horlings HM, Balduzzi S, Chelushkin M, Bakker NAM, Champanhet E, Garner H, Sikorska K, Loo CE, Kemper I, Mandjes IAM, de Maaker M, van Geel JJL, Boers J, de Boer M, Salgado R, van Dongen MGJ, Sonke GS, de Visser KE, Schumacher TN, Blank CU, Wessels LFA, Jager A, Tjan-Heijnen VCG, Schröder CP, Linn SC, Kok M. PD-L1 blockade in combination with carboplatin as immune induction in metastatic lobular breast cancer: the GELATO trial. NATURE CANCER 2023; 4:535-549. [PMID: 37038006 PMCID: PMC10132987 DOI: 10.1038/s43018-023-00542-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 03/08/2023] [Indexed: 04/12/2023]
Abstract
Invasive lobular breast cancer (ILC) is the second most common histological breast cancer subtype, but ILC-specific trials are lacking. Translational research revealed an immune-related ILC subset, and in mouse ILC models, synergy between immune checkpoint blockade and platinum was observed. In the phase II GELATO trial ( NCT03147040 ), patients with metastatic ILC were treated with weekly carboplatin (area under the curve 1.5 mg ml-1 min-1) as immune induction for 12 weeks and atezolizumab (PD-L1 blockade; triweekly) from the third week until progression. Four of 23 evaluable patients had a partial response (17%), and 2 had stable disease, resulting in a clinical benefit rate of 26%. From these six patients, four had triple-negative ILC (TN-ILC). We observed higher CD8+ T cell infiltration, immune checkpoint expression and exhausted T cells after treatment. With this GELATO trial, we show that ILC-specific clinical trials are feasible and demonstrate promising antitumor activity of atezolizumab with carboplatin, particularly for TN-ILC, and provide insights for the design of highly needed ILC-specific trials.
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Affiliation(s)
- Leonie Voorwerk
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Olga I Isaeva
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Hugo M Horlings
- Department of Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Sara Balduzzi
- Department of Biometrics, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Maksim Chelushkin
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Noor A M Bakker
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Elisa Champanhet
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Hannah Garner
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Karolina Sikorska
- Department of Biometrics, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Claudette E Loo
- Department of Radiology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Inge Kemper
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Ingrid A M Mandjes
- Department of Biometrics, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Michiel de Maaker
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Jasper J L van Geel
- Department of Medical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Jorianne Boers
- Department of Medical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Maaike de Boer
- Department of Medical Oncology, GROW, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Roberto Salgado
- Department of Pathology, GZA-ZNA hospitals, Antwerp, Belgium
- Division of Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Marloes G J van Dongen
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Gabe S Sonke
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Karin E de Visser
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
- Department of Immunology, Leiden University Medical Center, Leiden, the Netherlands
| | - Ton N Schumacher
- Oncode Institute, Utrecht, the Netherlands
- Division of Molecular Oncology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
| | - Christian U Blank
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Division of Molecular Oncology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Lodewyk F A Wessels
- Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Agnes Jager
- Department of Medical Oncology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Vivianne C G Tjan-Heijnen
- Department of Medical Oncology, GROW, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Carolien P Schröder
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Department of Medical Oncology, University Medical Center Groningen, Groningen, the Netherlands
| | - Sabine C Linn
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Marleen Kok
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, the Netherlands.
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, the Netherlands.
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Gluz O, Graeser M. Molecular Profiling in Early ER + Breast Cancer to Aid Systemic Therapy Decisions. Curr Oncol Rep 2023; 25:491-500. [PMID: 36862337 DOI: 10.1007/s11912-023-01377-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2022] [Indexed: 03/03/2023]
Abstract
PURPOSE OF REVIEW Clinical decisions for (neo)adjuvant treatment in early breast cancer (eBC) have been based mostly on clinical factors over the last decades. We have reviewed development and validation of such assays in the HR + /HER2 eBC and discuss possible future directions in this field. RECENT FINDINGS Increasing knowledge about the biology of hormone-sensitive eBC, based on the precise and reproducible multigene expression analysis, has led to a significant change in the treatment pathways and reduction of overtreatment in particular by chemotherapy in HR + /HER2 eBC with up to 3 positive lymph nodes based on results from several retrospective-prospective trials used several genomic assays and in particular prospective trials (TAILORx, RxPonder, MINDACT, and ADAPT used OncotypeDX® and Mammaprint®). Precise evaluation of tumor biology together with endocrine responsiveness assessment appears as promising tools for individualized treatment decisions together with clinical factors and menopausal status in early hormone-sensitive/HER2-negative breast cancer.
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Affiliation(s)
- Oleg Gluz
- West German Study Group, Ludwig Weber Str. 15, 41061, Moenchengladbach, Germany.
- Breast Center Niederrhein, Ev. Hospital Bethesda, Ludwig Weber Str. 15, 41061, Moenchengladbach, Germany.
- University Clinics Cologne, Cologne, Germany.
| | - Monika Graeser
- West German Study Group, Ludwig Weber Str. 15, 41061, Moenchengladbach, Germany
- Breast Center Niederrhein, Ev. Hospital Bethesda, Ludwig Weber Str. 15, 41061, Moenchengladbach, Germany
- University Hospital Hamburg-Eppendorf, Hamburg, Germany
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18
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Antitumour activity of neratinib in patients with HER2-mutant advanced biliary tract cancers. Nat Commun 2023; 14:630. [PMID: 36746967 PMCID: PMC9902444 DOI: 10.1038/s41467-023-36399-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 01/30/2023] [Indexed: 02/08/2023] Open
Abstract
HER2 mutations are infrequent genomic events in biliary tract cancers (BTCs). Neratinib, an irreversible, pan-HER, oral tyrosine kinase inhibitor, interferes with constitutive receptor kinase activation and has activity in HER2-mutant tumours. SUMMIT is an open-label, single-arm, multi-cohort, phase 2, 'basket' trial of neratinib in patients with solid tumours harbouring oncogenic HER2 somatic mutations (ClinicalTrials.gov: NCT01953926). The primary objective of the BTC cohort, which is now complete, is first objective response rate (ORR) to neratinib 240 mg orally daily. Secondary objectives include confirmed ORR, clinical benefit rate, progression-free survival, duration of response, overall survival, safety and tolerability. Genomic analyses were exploratory. Among 25 treatment-refractory patients (11 cholangiocarcinoma, 10 gallbladder, 4 ampullary cancers), the ORR is 16% (95% CI 4.5-36.1%). The most common HER2 mutations are S310F (n = 11; 48%) and V777L (n = 4; 17%). Outcomes appear worse for ampullary tumours or those with co-occurring oncogenic TP53 and CDKN2A alterations. Loss of amplified HER2 S310F and acquisition of multiple previously undetected oncogenic co-mutations are identified at progression in one responder. Diarrhoea is the most common adverse event, with any-grade diarrhoea in 14 patients (56%). Although neratinib demonstrates antitumour activity in patients with refractory BTC harbouring HER2 mutations, the primary endpoint was not met and combinations may be explored.
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19
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Marra A, Trapani D, Ferraro E, Curigliano G. Mechanisms of Endocrine Resistance in Hormone Receptor-Positive Breast Cancer. Cancer Treat Res 2023; 188:219-235. [PMID: 38175348 DOI: 10.1007/978-3-031-33602-7_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Hormone receptor-positive (HR+) breast cancer (BC) accounts for approximately 70% of all breast invasive tumors. Endocrine therapy (ET) represents the standard treatment for HR + BC. Most patients, however, eventually develop resistance to ET, which limits their effectiveness and poses a major challenge for the management of HR + BC. Several mechanisms that contribute to ET resistance have been described. One of the most common mechanisms is the upregulation of alternative signaling pathways that can bypass estrogen dependency, such as activation of the PI3K/Akt/mTOR as well as mitogen-activated protein kinase (MAPK) and the insulin-like growth factor 1 receptor (IGF-1R) pathways. Another common mechanism of endocrine resistance is the acquisition of activating mutations of ESR1, which encodes for the estrogen receptor, that lead to structural changes of the receptor, prevent the binding to anti-estrogen drugs and result in constitutive activation of the receptor, even in the absence of estrogens. Epigenetic changes, such as DNA methylation and histone modifications, can also contribute to ET resistance by altering the expression of genes that are involved in estrogen signaling. Understanding the mechanisms of resistance to ET is crucial for the development of new therapies that can overcome resistance and improve outcomes for patients with HR + BC.
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Affiliation(s)
- Antonio Marra
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy.
| | - Dario Trapani
- Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy
| | - Emanuela Ferraro
- Breast Cancer Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Giuseppe Curigliano
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy
- Department of Oncology and Hematology, University of Milan, Milan, Italy
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20
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Calhoun BC, Dabbs DJ. Lack of Standardization in the Diagnosis of Invasive Lobular Carcinoma of the Breast. Mod Pathol 2023; 36:100041. [PMID: 36788075 DOI: 10.1016/j.modpat.2022.100041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/09/2022] [Accepted: 10/09/2022] [Indexed: 01/19/2023]
Affiliation(s)
- Benjamin C Calhoun
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
| | - David J Dabbs
- Pathology and Second Opinion Service, PreludeDX, Laguna Hills, California
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21
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Suzuki M, Terada M, Nakamura I. Copper-catalyzed [1,3]-nitrogen rearrangement of O-aryl ketoximes via oxidative addition of N–O bond in inverse electron flow †. Chem Sci 2023; 14:5705-5711. [PMCID: PMC10231427 DOI: 10.1039/d3sc00874f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/28/2023] [Indexed: 06/01/2023] Open
Abstract
The [1,3]-nitrogen rearrangement reactions of O-aryl ketoximes were promoted by N-heterocyclic carbene (NHC)-copper catalysts and BF3·OEt2 as an additive, affording ortho-aminophenol derivatives in good yields. The reaction of substrates with electron-withdrawing substituents on the phenol moiety are accelerated by adding silver salt and modifying the substituent at the nitrogen atom. Density functional theory calculations suggest that the rate-determining step of this reaction is the oxidative addition of the N–O bond of the substrate to the copper catalyst. The negative ρ values of the substituent at both the oxime carbon and phenoxy group indicate that the donation of electrons by the oxygen and nitrogen atoms accelerates the oxidative addition. [1,3]-Nitrogen rearrangement reactions of O-aryl ketoximes was catalytically promoted by IPrCuBr and BF3·OEt2. The oxidative addition of the N–O bond to the Cu catalyst is accelerated by donation of electrons from both nitrogen and oxygen atoms.![]()
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Affiliation(s)
- Mao Suzuki
- Department of Chemistry, Graduate School of Science, Tohoku UniversitySendai980-8578Japan
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku UniversitySendai980-8578Japan
| | - Itaru Nakamura
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku UniversitySendai980-8578Japan
- Department of Chemistry, Graduate School of Science, Tohoku UniversitySendai980-8578Japan
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22
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Circulating tumour DNA characterisation of invasive lobular carcinoma in patients with metastatic breast cancer. EBioMedicine 2022; 86:104316. [PMID: 36332363 PMCID: PMC9637866 DOI: 10.1016/j.ebiom.2022.104316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/05/2022] [Accepted: 10/05/2022] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Limited data exist to characterise molecular differences in circulating tumour DNA (ctDNA) for patients with invasive lobular carcinoma (ILC). We analysed metastatic breast cancer patients with ctDNA testing to assess genomic differences among patients with ILC, invasive ductal carcinoma (IDC), and mixed histology. METHODS We retrospectively analysed 980 clinically annotated patients (121 ILC, 792 IDC, and 67 mixed histology) from three academic centers with ctDNA evaluation by Guardant360™. Single nucleotide variations (SNVs), copy number variations (CNVs), and oncogenic pathways were compared across histologies. FINDINGS ILC was significantly associated with HR+ HER2 negative and HER2 low. SNVs were higher in patients with ILC compared to IDC or mixed histology (Mann Whitney U test, P < 0.05). In multivariable analysis, HR+ HER2 negative ILC was significantly associated with mutations in CDH1 (odds ratio (OR) 9.4, [95% CI 3.3-27.2]), ERBB2 (OR 3.6, [95% confidence interval (CI) 1.6-8.2]), and PTEN (OR 2.5, [95% CI 1.05-5.8]) genes. CDH1 mutations were not present in the mixed histology cohort. Mutations in the PI3K pathway genes (OR 1.76 95% CI [1.18-2.64]) were more common in patients with ILC. In an independent cohort of nearly 7000 metastatic breast cancer patients, CDH1 was significantly co-mutated with targetable alterations (PIK3CA, ERBB2) and mutations associated with endocrine resistance (ARID1A, NF1, RB1, ESR1, FGFR2) (Benjamini-Hochberg Procedure, all q < 0.05). INTERPRETATION Evaluation of ctDNA revealed differences in pathogenic alterations and oncogenic pathways across breast cancer histologies with implications for histologic classification and precision medicine treatment. FUNDING Lynn Sage Cancer Research Foundation, OncoSET Precision Medicine Program, and UL1TR001422.
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23
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Eli LD, Kavuri SM. Mechanisms of neratinib resistance in HER2-mutant metastatic breast cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2022; 5:873-881. [PMID: 36627899 PMCID: PMC9771739 DOI: 10.20517/cdr.2022.48] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/25/2022] [Accepted: 06/15/2022] [Indexed: 01/13/2023]
Abstract
Human epidermal growth factor receptor 2 (HER2) is a major drug target and clinical biomarker in breast cancer treatment. Targeting HER2 gene amplification is one of the greatest successes in oncology, resulting in the use of a wide array of HER2-directed agents in the clinic. The discovery of HER2-activating mutations as novel therapeutic targets in breast and other cancers marked a significant advance in the field, which led to the metastatic breast and other solid tumor trials MutHER (NCT01670877), SUMMIT (NCT01953926), and one arm of plasmaMATCH (NCT03182634). These trials reported initial clinical benefit followed by eventual relapse ascribed to either primary or acquired resistance. These resistance mechanisms are mediated by additional secondary genomic alterations within HER2 itself and via hyperactivation of oncogenic signaling within the downstream signaling axis.
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Affiliation(s)
- Lisa D. Eli
- Translational Medicine and Diagnostics, Puma Biotechnology, Inc., Los Angeles, CA 90024, USA.,Correspondence to: Dr. Lisa D. Eli, Translational Medicine and Diagnostics, Puma Biotechnology, Inc., 10880 Wilshire Blvd, Suite 150, Los Angeles, CA 90024, USA. E-mail: ; Dr. Shyam M. Kavuri, Lester and Sue Smith Breast Center and Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA. E-mail:
| | - Shyam M. Kavuri
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA.,Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA.,Correspondence to: Dr. Lisa D. Eli, Translational Medicine and Diagnostics, Puma Biotechnology, Inc., 10880 Wilshire Blvd, Suite 150, Los Angeles, CA 90024, USA. E-mail: ; Dr. Shyam M. Kavuri, Lester and Sue Smith Breast Center and Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA. E-mail:
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Kalra R, Chen CH, Wang J, Salam AB, Dobrolecki LE, Lewis A, Sallas C, Yates CC, Gutierrez C, Karanam B, Anurag M, Lim B, Ellis MJ, Kavuri SM. Poziotinib Inhibits HER2-Mutant-Driven Therapeutic Resistance and Multiorgan Metastasis in Breast Cancer. Cancer Res 2022; 82:2928-2939. [PMID: 35736563 PMCID: PMC9379360 DOI: 10.1158/0008-5472.can-21-3106] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 04/01/2022] [Accepted: 06/14/2022] [Indexed: 01/07/2023]
Abstract
The pan-HER tyrosine kinase inhibitor (TKI) neratinib is therapeutically active against metastatic breast cancers harboring activating HER2 mutations, but responses are variable and often not durable. Here we demonstrate that recurrent HER2 mutations have differential effects on endocrine therapy responsiveness, metastasis, and pan-HER TKI therapeutic sensitivity. The prevalence and prognostic significance may also depend on whether the HER2 mutant has arisen in the context of lobular versus ductal histology. The most highly recurrent HER2 mutant, L755S, was particularly resistant to neratinib but sensitive to the pan-HER TKI poziotinib, alone or in combination with fulvestrant. Poziotinib reduced tumor growth, diminished multiorgan metastasis, and inhibited mTOR activation more effectively than neratinib. Similar therapeutic effects of poziotinib were observed in both an engineered HER2L755S MCF7 model and a patient-derived xenograft harboring a HER2G778_P780dup mutation. Overall, these findings support the need for clinical evaluation of poziotinib for the treatment of HER2-mutant metastatic breast cancer. SIGNIFICANCE Evaluation of the functional impact of HER2 mutations on therapy-induced resistance and metastasis identifies robust antitumor activity of poziotinib and supports the clinical evaluation of poziotinib in ER+ HER2 mutant breast cancer.
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Affiliation(s)
- Rashi Kalra
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Ching Hui Chen
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Junkai Wang
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
| | - Ahmad Bin Salam
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Lacey E. Dobrolecki
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas
| | - Alaina Lewis
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas
| | - Christina Sallas
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas
| | - Clayton C. Yates
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Carolina Gutierrez
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas
| | - Balasubramanyam Karanam
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Meenakshi Anurag
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Bora Lim
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Matthew J. Ellis
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas.,Corresponding Authors: Shyam M. Kavuri, Lester and Sue Smith Breast Center, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030. Phone: 1314-651-3876; E-mail: ; and Matthew J. Ellis, Lester and Sue Smith Breast Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030. E-mail:
| | - Shyam M. Kavuri
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas.,Corresponding Authors: Shyam M. Kavuri, Lester and Sue Smith Breast Center, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030. Phone: 1314-651-3876; E-mail: ; and Matthew J. Ellis, Lester and Sue Smith Breast Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030. E-mail:
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Van Baelen K, Geukens T, Maetens M, Tjan-Heijnen V, Lord CJ, Linn S, Bidard FC, Richard F, Yang WW, Steele RE, Pettitt SJ, Van Ongeval C, De Schepper M, Isnaldi E, Nevelsteen I, Smeets A, Punie K, Voorwerk L, Wildiers H, Floris G, Vincent-Salomon A, Derksen PWB, Neven P, Senkus E, Sawyer E, Kok M, Desmedt C. Current and future diagnostic and treatment strategies for patients with invasive lobular breast cancer. Ann Oncol 2022; 33:769-785. [PMID: 35605746 DOI: 10.1016/j.annonc.2022.05.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/06/2022] [Accepted: 05/17/2022] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Invasive lobular breast cancer (ILC) is the second most common type of breast cancer after invasive breast cancer of no special type (NST), representing up to 15% of all breast cancers. DESIGN Latest data on ILC are presented, focusing on diagnosis, molecular make-up according to the European Society for Medical Oncology Scale for Clinical Actionability of molecular Targets (ESCAT) guidelines, treatment in the early and metastatic setting and ILC-focused clinical trials. RESULTS At the imaging level, magnetic resonance imaging-based and novel positron emission tomography/computed tomography-based techniques can overcome the limitations of currently used imaging techniques for diagnosing ILC. At the pathology level, E-cadherin immunohistochemistry could help improving inter-pathologist agreement. The majority of patients with ILC do not seem to benefit as much from (neo-)adjuvant chemotherapy as patients with NST, although chemotherapy might be required in a subset of high-risk patients. No differences in treatment efficacy are seen for anti-human epidermal growth factor receptor 2 (HER2) therapies in the adjuvant setting and cyclin-dependent kinases 4 and 6 inhibitors in the metastatic setting. The clinical utility of the commercially available prognostic gene expression-based tests is unclear for patients with ILC. Several ESCAT alterations differ in frequency between ILC and NST. Germline BRCA1 and PALB2 alterations are less frequent in patients with ILC, while germline CDH1 (gene coding for E-cadherin) alterations are more frequent in patients with ILC. Somatic HER2 mutations are more frequent in ILC, especially in metastases (15% ILC versus 5% NST). A high tumour mutational burden, relevant for immune checkpoint inhibition, is more frequent in ILC metastases (16%) than in NST metastases (5%). Tumours with somatic inactivating CDH1 mutations may be vulnerable for treatment with ROS1 inhibitors, a concept currently investigated in early and metastatic ILC. CONCLUSION ILC is a unique malignancy based on its pathological and biological features leading to differences in diagnosis as well as in treatment response, resistance and targets as compared to NST.
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Affiliation(s)
- K Van Baelen
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium; Departments of Gynaecology and Obstetrics, UZ Leuven, Leuven, Belgium
| | - T Geukens
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium; General Medical Oncology, UZ Leuven, Leuven, Belgium
| | - M Maetens
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium
| | - V Tjan-Heijnen
- Medical Oncology Department, Maastricht University Medical Center (MUMC), School of GROW, Maastricht, The Netherlands
| | - C J Lord
- The CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - S Linn
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands; Departments of Medical Oncology, Amsterdam, The Netherlands; Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - F-C Bidard
- Department of Medical Oncology, Institut Curie, UVSQ/Paris-Saclav University, Paris, France
| | - F Richard
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium
| | - W W Yang
- The CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - R E Steele
- The CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - S J Pettitt
- The CRUK Gene Function Laboratory and Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - C Van Ongeval
- Departments of Radiology, UZ Leuven, Leuven, Belgium
| | - M De Schepper
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium; Pathology, UZ Leuven, Leuven, Belgium
| | - E Isnaldi
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium
| | | | - A Smeets
- Surgical Oncology, UZ Leuven, Leuven, Belgium
| | - K Punie
- General Medical Oncology, UZ Leuven, Leuven, Belgium
| | - L Voorwerk
- Departments of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Tumour Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - H Wildiers
- General Medical Oncology, UZ Leuven, Leuven, Belgium
| | - G Floris
- Pathology, UZ Leuven, Leuven, Belgium
| | | | - P W B Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - P Neven
- Departments of Gynaecology and Obstetrics, UZ Leuven, Leuven, Belgium
| | - E Senkus
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland
| | - E Sawyer
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, Guy's Cancer Centre, King's College London, London, UK
| | - M Kok
- Departments of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Tumour Biology and Immunology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - C Desmedt
- Laboratory for Translational Breast Cancer Research (LTBCR), Department of Oncology, KU Leuven, Leuven, Belgium.
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26
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Mouabbi JA, Hassan A, Lim B, Hortobagyi GN, Tripathy D, Layman RM. Invasive lobular carcinoma: an understudied emergent subtype of breast cancer. Breast Cancer Res Treat 2022; 193:253-264. [DOI: 10.1007/s10549-022-06572-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/07/2022] [Indexed: 12/22/2022]
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