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Justo-Garrido M, López-Saavedra A, Alcaraz N, Cortés-González CC, Oñate-Ocaña LF, Caro-Sánchez CHS, Castro-Hernández C, Arriaga-Canon C, Díaz-Chávez J, Herrera LA. Association of SLC12A1 and GLUR4 Ion Transporters with Neoadjuvant Chemoresistance in Luminal Locally Advanced Breast Cancer. Int J Mol Sci 2023; 24:16104. [PMID: 38003293 PMCID: PMC10670992 DOI: 10.3390/ijms242216104] [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: 09/29/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
Chemoresistance to standard neoadjuvant treatment commonly occurs in locally advanced breast cancer, particularly in the luminal subtype, which is hormone receptor-positive and represents the most common subtype of breast cancer associated with the worst outcomes. Identifying the genes associated with chemoresistance is crucial for understanding the underlying mechanisms and discovering effective treatments. In this study, we aimed to identify genes linked to neoadjuvant chemotherapy resistance in 62 retrospectively included patients with luminal breast cancer. Whole RNA sequencing of 12 patient biopsies revealed 269 differentially expressed genes in chemoresistant patients. We further validated eight highly correlated genes associated with resistance. Among these, solute carrier family 12 member 1 (SLC12A1) and glutamate ionotropic AMPA type subunit 4 (GRIA4), both implicated in ion transport, showed the strongest association with chemoresistance. Notably, SLC12A1 expression was downregulated, while protein levels of glutamate receptor 4 (GLUR4), encoded by GRIA4, were elevated in patients with a worse prognosis. Our results suggest a potential link between SLC12A1 gene expression and GLUR4 protein levels with chemoresistance in luminal breast cancer. In particular, GLUR4 protein could serve as a potential target for drug intervention to overcome chemoresistance.
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Affiliation(s)
- Montserrat Justo-Garrido
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
| | - Alejandro López-Saavedra
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
| | - Nicolás Alcaraz
- The Bioinformatics Centre, Department of Biology, University of Copenhagen, 2200 Copenhagen, Denmark;
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, 1165 Copenhagen, Denmark
| | - Carlo C. Cortés-González
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
| | - Luis F. Oñate-Ocaña
- Department of Gastroenterology, National Cancer Institute (INCan), Tlalpan, Mexico City 14080, Mexico;
| | | | - Clementina Castro-Hernández
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
| | - Cristian Arriaga-Canon
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
| | - José Díaz-Chávez
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
| | - Luis A. Herrera
- Cancer Research Unit, Institute of Biomedical Research, National Autonomous University of Mexico (UNAM)-National Institute of Cancerology, San Fernando Av #22, XVI Section, Mexico City 14080, Mexico; (M.J.-G.); (A.L.-S.); (C.C.C.-G.); (C.C.-H.); (C.A.-C.)
- School of Medicine and Health Sciences-Tecnológico de Monterrey, Mexico City 14380, Mexico
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Ali OAH, Elhaj A. How Can Oncoplastic Breast Surgery Contribute to the Management of Locally Advanced Breast Cancer in Sub-Saharan Africa? Breast Care (Basel) 2023; 18:336-343. [PMID: 37901048 PMCID: PMC10601675 DOI: 10.1159/000531151] [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: 01/31/2023] [Accepted: 05/17/2023] [Indexed: 10/31/2023] Open
Abstract
Background Because of resource constrains in sub-Saharan African countries, breast-conserving surgery (BCS) has no role in patients with locally advanced breast cancer (LABC) following neoadjuvant chemotherapy (NACT), and mastectomy remains the standard surgical treatment for these patients. Objectives The first objective of the study was to assess the safety of oncoplastic BCS in patients with LABC who showed good clinical response to NACT in a breast center with enhanced level of resources in Sudan. The second objective was to assess the cosmetic outcome. Patients and Methods Two hundred and fifty patients with LABC were treated with NACT at Khartoum Breast Care Center during the period 2013-2019. Out of this, 52 patients were surgically treated with oncoplastic breast-conserving surgery. Kaplan-Meier curve was used to calculate the survival rates. The cosmetic outcome was subjectively assessed by the Harris scale. Results The median follow-up period was 53 months. The 3- and 5-years distant metastasis-free survival rates were 92.9% and 82.2%, respectively. One patient developed regional recurrence, and 6 patients developed distant metastasis. Eighty percentage of patients were admitted to have good to excellent cosmetic outcome. Conclusion This Sudanese experience showed that oncoplastic BCS is oncologically safe and aesthetically satisfactory in patients with LABC who demonstrated good clinical response to NACT in a setting with enhanced levels of resources for breast cancer care.
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Affiliation(s)
| | - Ahmed Elhaj
- Department of Medical Oncology, Khartoum Breast Care Centre, Khartoum, Sudan
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Frénel JS, Nguyen F. Mammary carcinoma: Comparative oncology between small animals and humans-New therapeutic tools. Reprod Domest Anim 2023; 58 Suppl 2:102-108. [PMID: 37312625 DOI: 10.1111/rda.14408] [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: 04/24/2023] [Revised: 06/01/2023] [Accepted: 06/10/2023] [Indexed: 06/15/2023]
Abstract
The poor outcomes associated with mammary carcinomas (MCs) in dogs and cats in terms of locoregional recurrence, distant metastasis and survival, highlight the need for better management of mammary cancers in small animals. By contrast, the outcomes of women with breast cancer (BC) have dramatically improved during the last 10 years, notably thanks to new therapeutic strategies. The aim of this article was to imagine what could be the future of therapy for dogs and cats with MCs if it became inspired from current practices in human BC. This article focuses on the importance of taking into account cancer stage and cancer subtypes in therapeutic plans, on locoregional treatments (surgery, radiation therapy), new developments in endocrine therapy, chemotherapy, PARP inhibitors and immunotherapy. Ideally, multimodal treatment regimens would be chosen according to cancer stage and cancer subtypes, and according to predictive factors that are still to be defined.
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Affiliation(s)
- Jean-Sébastien Frénel
- Nantes Université, University of Angers, INSERM, CRCI2NA, Nantes, France
- Institut de Cancérologie de l'Ouest, Site René Gauducheau, Saint-Herblain, France
| | - Frédérique Nguyen
- Nantes Université, University of Angers, INSERM, CRCI2NA, Nantes, France
- Oniris, Nantes, France
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4
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Beeraka NM, Zhang J, Zhao D, Liu J, A U C, Vikram Pr H, Shivaprakash P, Bannimath N, Manogaran P, Sinelnikov MY, Bannimath G, Fan R. Combinatorial Implications of Nrf2 Inhibitors with FN3K Inhibitor: In vitro Breast Cancer Study. Curr Pharm Des 2023; 29:2408-2425. [PMID: 37861038 DOI: 10.2174/0113816128261466231011114600] [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: 05/18/2023] [Revised: 08/07/2023] [Accepted: 08/14/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND Platinum derivatives are chemotherapeutic agents preferred for the treatment of cancers including breast cancer. Oxaliplatin is an anticancer drug that is in phase II studies to treat metastatic breast cancer. However, its usage is constrained by chemoresistance and dose-related side effects. OBJECTIVE The objective of this study is to examine the combinatorial efficacy of brusatol, an Nrf2 blocker, with oxaliplatin (a proven FN3K blocker in our study) in mitigating breast cancer growth in vitro. METHODS We performed cytotoxicity assays, combination index (CI) analysis, colony formation assays, apoptosis assays, and Western blotting. RESULTS Results of our study described the chemosensitizing efficacy of brusatol in combination with lowdose oxaliplatin against breast cancer through synergistic effects in both BT-474 and T47D cells. A significant mitigation in the migration rate of these cancer cells was observed with the combination regimen, which is equivalent to the IC-50 dose of oxaliplatin (125 μM). Furthermore, ROS-mediated and apoptotic modes of cell death were observed with a combinatorial regimen. Colony formation of breast cancer cell lines was mitigated with a combinatorial regimen of bursatol and oxaliplatin than the individual treatment regimen. FN3K expression downregulated with oxaliplatin in T47D cells. The mitigation of FN3K protein expression with a combination regimen was not observed but the Nrf2 downstream antioxidant signaling proteins were significantly downregulated with a combination regimen similar to individual drug regimens. CONCLUSION Our study concluded the combination efficacy of phytochemicals like brusatol in combination with low-dose oxaliplatin (FN3K blocker), which could enhance the chemosensitizing effect in breast cancer and minimize the overall dose requirement of oxaliplatin.
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Affiliation(s)
- Narasimha M Beeraka
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
- Sechenov First Moscow State Medical University, 8-2 Trubetskaya St., Moscow 119991, Russia
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Jin Zhang
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi 39216, USA
| | - Di Zhao
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Junqi Liu
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
| | - Chinnappa A U
- Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Hemanth Vikram Pr
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
- Xenone Healthcare Pvt. Ltd, #318, Third Floor, US Complex, Jasola, New Delhi 110076, India
| | - Priyanka Shivaprakash
- Faculty of Life Sciences, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Namitha Bannimath
- Department of Pharmacology and Toxicology, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Prasath Manogaran
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Mikhail Y Sinelnikov
- Sechenov First Moscow State Medical University, 8-2 Trubetskaya St., Moscow 119991, Russia
- Sinelab Biomedical Research Center, Minnesota 55905, USA
| | - Gurupadayya Bannimath
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Ruitai Fan
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
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Herrero Vicent C, Tudela X, Moreno Ruiz P, Pedralva V, Jiménez Pastor A, Ahicart D, Rubio Novella S, Meneu I, Montes Albuixech Á, Santamaria MÁ, Fonfria M, Fuster-Matanzo A, Olmos Antón S, Martínez de Dueñas E. Machine Learning Models and Multiparametric Magnetic Resonance Imaging for the Prediction of Pathologic Response to Neoadjuvant Chemotherapy in Breast Cancer. Cancers (Basel) 2022; 14:cancers14143508. [PMID: 35884572 PMCID: PMC9317428 DOI: 10.3390/cancers14143508] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/07/2022] [Accepted: 07/14/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Achieving pathological complete response (pCR) to neoadjuvant chemotherapy (NAC) in breast cancer (BC) is crucial, as pCR is a surrogate marker for survival. However, only 10–30% of patients achieve it. It is therefore essential to develop tools that enable to accurately predict response. Recently, different studies have demonstrated the feasibility of applying machine learning approaches to non-invasively predict pCR before NAC administration from magnetic resonance imaging (MRI) data. Some of those models are based on radiomics, an emerging field that allows the automated extraction of clinically relevant information from radiologic images. However, the research is still at an early stage and further data are needed. Here, we determine whether the combination of imaging data (radiomic features and perfusion/diffusion imaging biomarkers) extracted from multiparametric MRIs and clinical variables can improve pCR prediction to NAC compared to models only including imaging or clinical data, potentially avoiding unnecessary treatment and delays to surgery. Abstract Background: Most breast cancer (BC) patients fail to achieve pathological complete response (pCR) after neoadjuvant chemotherapy (NAC). The aim of this study was to evaluate whether imaging features (perfusion/diffusion imaging biomarkers + radiomic features) extracted from pre-treatment multiparametric (mp)MRIs were able to predict, alone or in combination with clinical data, pCR to NAC. Methods: Patients with stage II-III BC receiving NAC and undergoing breast mpMRI were retrospectively evaluated. Imaging features were extracted from mpMRIs performed before NAC. Three different machine learning models based on imaging features, clinical data or imaging features + clinical data were trained to predict pCR. Confusion matrices and performance metrics were obtained to assess model performance. Statistical analyses were conducted to evaluate differences between responders and non-responders. Results: Fifty-eight patients (median [range] age, 52 [45–58] years) were included, of whom 12 showed pCR. The combined model improved pCR prediction compared to clinical and imaging models, yielding 91.5% of accuracy with no false positive cases and only 17% false negative results. Changes in different parameters between responders and non-responders suggested a possible increase in vascularity and reduced tumour heterogeneity in patients with pCR, with the percentile 25th of time-to-peak (TTP), a classical perfusion parameter, being able to discriminate both groups in a 75% of the cases. Conclusions: A combination of mpMRI-derived imaging features and clinical variables was able to successfully predict pCR to NAC. Specific patient profiles according to tumour vascularity and heterogeneity might explain pCR differences, where TTP could emerge as a putative surrogate marker for pCR.
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Affiliation(s)
- Carmen Herrero Vicent
- Medical Oncology Department, The Provincial Hospital of Castellon, 12002 Castellon, Spain; (S.R.N.); (Á.M.A.); (M.F.); (S.O.A.); (E.M.d.D.)
- Correspondence:
| | - Xavier Tudela
- Radiodiagnosis Department, The Provincial Hospital of Castellon, 12100 Castellon, Spain; (X.T.); (V.P.); (D.A.); (I.M.); (M.Á.S.)
| | - Paula Moreno Ruiz
- Quantitative Imaging Biomarkers in Medicine (Quibim), 46021 Valencia, Spain; (P.M.R.); (A.J.P.); (A.F.-M.)
| | - Víctor Pedralva
- Radiodiagnosis Department, The Provincial Hospital of Castellon, 12100 Castellon, Spain; (X.T.); (V.P.); (D.A.); (I.M.); (M.Á.S.)
| | - Ana Jiménez Pastor
- Quantitative Imaging Biomarkers in Medicine (Quibim), 46021 Valencia, Spain; (P.M.R.); (A.J.P.); (A.F.-M.)
| | - Daniel Ahicart
- Radiodiagnosis Department, The Provincial Hospital of Castellon, 12100 Castellon, Spain; (X.T.); (V.P.); (D.A.); (I.M.); (M.Á.S.)
| | - Silvia Rubio Novella
- Medical Oncology Department, The Provincial Hospital of Castellon, 12002 Castellon, Spain; (S.R.N.); (Á.M.A.); (M.F.); (S.O.A.); (E.M.d.D.)
| | - Isabel Meneu
- Radiodiagnosis Department, The Provincial Hospital of Castellon, 12100 Castellon, Spain; (X.T.); (V.P.); (D.A.); (I.M.); (M.Á.S.)
| | - Ángela Montes Albuixech
- Medical Oncology Department, The Provincial Hospital of Castellon, 12002 Castellon, Spain; (S.R.N.); (Á.M.A.); (M.F.); (S.O.A.); (E.M.d.D.)
| | - Miguel Ángel Santamaria
- Radiodiagnosis Department, The Provincial Hospital of Castellon, 12100 Castellon, Spain; (X.T.); (V.P.); (D.A.); (I.M.); (M.Á.S.)
| | - María Fonfria
- Medical Oncology Department, The Provincial Hospital of Castellon, 12002 Castellon, Spain; (S.R.N.); (Á.M.A.); (M.F.); (S.O.A.); (E.M.d.D.)
| | - Almudena Fuster-Matanzo
- Quantitative Imaging Biomarkers in Medicine (Quibim), 46021 Valencia, Spain; (P.M.R.); (A.J.P.); (A.F.-M.)
| | - Santiago Olmos Antón
- Medical Oncology Department, The Provincial Hospital of Castellon, 12002 Castellon, Spain; (S.R.N.); (Á.M.A.); (M.F.); (S.O.A.); (E.M.d.D.)
| | - Eduardo Martínez de Dueñas
- Medical Oncology Department, The Provincial Hospital of Castellon, 12002 Castellon, Spain; (S.R.N.); (Á.M.A.); (M.F.); (S.O.A.); (E.M.d.D.)
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Chen K, Zhang J, Beeraka NM, Tang C, Babayeva YV, Sinelnikov MY, Zhang X, Zhang J, Liu J, Reshetov IV, Sukocheva OA, Lu P, Fan R. Advances in the Prevention and Treatment of Obesity-Driven Effects in Breast Cancers. Front Oncol 2022; 12:820968. [PMID: 35814391 PMCID: PMC9258420 DOI: 10.3389/fonc.2022.820968] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 05/16/2022] [Indexed: 12/11/2022] Open
Abstract
Obesity and associated chronic inflammation were shown to facilitate breast cancer (BC) growth and metastasis. Leptin, adiponectin, estrogen, and several pro-inflammatory cytokines are involved in the development of obesity-driven BC through the activation of multiple oncogenic and pro-inflammatory pathways. The aim of this study was to assess the reported mechanisms of obesity-induced breast carcinogenesis and effectiveness of conventional and complementary BC therapies. We screened published original articles, reviews, and meta-analyses that addressed the involvement of obesity-related signaling mechanisms in BC development, BC treatment/prevention approaches, and posttreatment complications. PubMed, Medline, eMedicine, National Library of Medicine (NLM), and ReleMed databases were used to retrieve relevant studies using a set of keywords, including "obesity," "oncogenic signaling pathways," "inflammation," "surgery," "radiotherapy," "conventional therapies," and "diet." Multiple studies indicated that effective BC treatment requires the involvement of diet- and exercise-based approaches in obese postmenopausal women. Furthermore, active lifestyle and diet-related interventions improved the patients' overall quality of life and minimized adverse side effects after traditional BC treatment, including postsurgical lymphedema, post-chemo nausea, vomiting, and fatigue. Further investigation of beneficial effects of diet and physical activity may help improve obesity-linked cancer therapies.
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Affiliation(s)
- Kuo Chen
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jin Zhang
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Narasimha M. Beeraka
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR), Department of Biochemistry, JSS Academy of Higher Education and Research (JSS AHER), JSS Medical College, Mysuru, India
| | - Chengyun Tang
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Yulia V. Babayeva
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Mikhail Y. Sinelnikov
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Xinliang Zhang
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Jiacheng Zhang
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Junqi Liu
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Igor V. Reshetov
- Department of Human Anatomy, I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Olga A. Sukocheva
- Discipline of Health Sciences, College of Nursing and Health Sciences, Flinders University, Adelaide, SA, Australia
| | - Pengwei Lu
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ruitai Fan
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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miRNAs as therapeutic predictors and prognostic biomarkers of neoadjuvant chemotherapy in breast cancer: a systematic review and meta-analysis. Breast Cancer Res Treat 2022; 194:483-505. [PMID: 35727379 DOI: 10.1007/s10549-022-06642-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 05/30/2022] [Indexed: 11/02/2022]
Abstract
PURPOSE Accumulating evidence has shown that microRNAs (miRNAs) are promising biomarkers of neoadjuvant chemotherapy (NAC) response in breast cancer (BC). However, their predictive roles remain controversial. Thus, this systematic review and meta-analysis aimed to describe the role of miRNA expression in NAC response and prognosis in BC to increase statistical power and improve translation. METHODS A systematic review of electronic databases for relevant studies was conducted following PRISMA guidelines. Data were extracted, collated, and combined by odds ratio (OR) and hazard ratio (HR) with 95% confidence intervals (CIs) to estimate the strength of the associations. RESULTS Of the 560 articles screened, 59 studies were included in our systematic review, and 5 studies were included in the subsequent meta-analysis. Sixty of 123 miRNAs were found to be related with NAC response and an elevated baseline miR-7 level in tissues was associated with a higher pathological complete response rate (OR 5.63; 95% CI 2.15-14.79; P = 0.0004). The prognostic value of 39 miRNAs was also studied. Of them, 26 miRNAs were found to be associated with survival. Pooled HRs indicated that patients with increased levels of serum miR-21 from baseline to the end of the second NAC cycle and from baseline to the end of NAC had a worse disease-free survival than those with decreased levels. CONCLUSION Our results highlight that a large number of miRNAs have possible associations with NAC response and prognosis in BC patients. Further well-designed studies are needed to elucidate the molecular mechanisms underlying these associations.
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Gunasekara ADM, Anothaisintawee T, Youngkong S, Ha NT, McKay GJ, Attia J, Thakkinstian A. Neoadjuvant Treatment with HER2-Targeted Therapies in HER2-Positive Breast Cancer: A Systematic Review and Network Meta-Analysis. Cancers (Basel) 2022; 14:cancers14030523. [PMID: 35158791 PMCID: PMC8833584 DOI: 10.3390/cancers14030523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 01/14/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Human epidermal growth factor receptor 2 (HER2)-positive breast cancer causes more aggressive progression of disease and poorer outcomes for patients. HER2-targeted medicines used as neoadjuvant systemic therapy could improve clinical outcomes in early-stage or locally advanced breast cancer patients. The purpose of this systematic review and network meta-analysis was to identify the neoadjuvant anti-HER2 therapy with the best balance between efficacy and safety. We found that trastuzumab emtansine + pertuzumab + chemotherapy had a high pathologic complete response with a low risk of adverse events compared to other neoadjuvant anti-HER2 regimens, while the pertuzumab + trastuzumab + chemotherapy regimen showed the highest disease-free survival. However, further trial data on neoadjuvant regimens with trastuzumab emtansine are needed to confirm these findings. Abstract This systematic review aimed to identify neoadjuvant anti-human epidermal growth factor receptor 2 (HER2) therapies with the best balance between efficacy and safety. Methods: A network meta-analysis was applied to estimate the risk ratios along with 95% confidence intervals (CIs) for pathological complete response (pCR) and serious adverse events (SAE). A mixed-effect parametric survival analysis was conducted to assess the disease-free survival (DFS) between treatments. Results: Twenty-one RCTs with eleven regimens of neoadjuvant anti-HER2 therapy (i.e., trastuzumab + chemotherapy (TC), lapatinib + chemotherapy (LC), pertuzumab + chemotherapy (PC), pertuzumab + trastuzumab (PT), trastuzumab emtansine + pertuzumab (T-DM1P), pertuzumab + trastuzumab + chemotherapy (PTC), lapatinib + trastuzumab + chemotherapy (LTC), trastuzumab emtansine + lapatinib + chemotherapy (T-DM1LC), trastuzumab emtansine + pertuzumab + chemotherapy(T-DM1PC), PTC followed by T-DM1P (PTC_T-DM1P), and trastuzumab emtansine (T-DM1)) and chemotherapy alone were included. When compared to TC, only PTC had a significantly higher DFS with a hazard ratio (95% CI) of 0.54 (0.32–0.91). The surface under the cumulative ranking curve (SUCRA) suggested that T-DM1LC (91.9%) was ranked first in achieving pCR, followed by the PTC_T-DM1P (90.5%), PTC (74.8%), and T-DM1PC (73.5%) regimens. For SAEs, LTC, LC, and T-DM1LC presented with the highest risks (SUCRA = 10.7%, 16.8%, and 20.8%), while PT (99.2%), T-DM1P (88%), and T-DM1 (83.9%) were the safest regimens. The T-DM1PC (73.5% vs. 71.6%), T-DM1 (70.5% vs. 83.9%), and PTC_T-DM1P (90.5% vs. 47.3%) regimens offered the optimal balance between pCR and SAE. Conclusions: The T-DM1PC, T-DM1, and PTC_T-DM1P regimens had the optimal balance between efficacy and safety, while DFS was highest for the PTC regimen. However, these results were based on a small number of studies, and additional RCTs assessing the efficacy of regimens with T-DM1 are still needed to confirm these findings.
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Affiliation(s)
- Agampodi Danushi M. Gunasekara
- Mahidol University Health Technology Assessment Graduate Program (MUHTA), Mahidol University, Bangkok 10400, Thailand; (A.D.M.G.); (N.T.H.); (A.T.)
- Department of Paraclinical Sciences, Faculty of Medicine, General Sir John Kotelawala Defence University, Ratmalana, Colombo 10390, Sri Lanka
| | - Thunyarat Anothaisintawee
- Mahidol University Health Technology Assessment Graduate Program (MUHTA), Mahidol University, Bangkok 10400, Thailand; (A.D.M.G.); (N.T.H.); (A.T.)
- Department of Family Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
- Correspondence: (T.A.); (S.Y.); Tel.: +66-2-201-1406 (T.A.)
| | - Sitaporn Youngkong
- Mahidol University Health Technology Assessment Graduate Program (MUHTA), Mahidol University, Bangkok 10400, Thailand; (A.D.M.G.); (N.T.H.); (A.T.)
- Social and Administrative Pharmacy Division, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
- Correspondence: (T.A.); (S.Y.); Tel.: +66-2-201-1406 (T.A.)
| | - Nguyen T. Ha
- Mahidol University Health Technology Assessment Graduate Program (MUHTA), Mahidol University, Bangkok 10400, Thailand; (A.D.M.G.); (N.T.H.); (A.T.)
- School of Medicine, Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Gareth J. McKay
- Centre for Public Health, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University, Belfast BT12 6BA, UK;
| | - John Attia
- School of Medicine and Public Health, College of Health and Wellbeing, University of Newcastle, Newcastle, NSW 2308, Australia;
| | - Ammarin Thakkinstian
- Mahidol University Health Technology Assessment Graduate Program (MUHTA), Mahidol University, Bangkok 10400, Thailand; (A.D.M.G.); (N.T.H.); (A.T.)
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
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9
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Guerini-Rocco E, Botti G, Foschini MP, Marchiò C, Mastropasqua MG, Perrone G, Roz E, Santinelli A, Sassi I, Galimberti V, Gianni L, Viale G. Role and evaluation of pathologic response in early breast cancer specimens after neoadjuvant therapy: consensus statement. TUMORI JOURNAL 2021; 108:196-203. [DOI: 10.1177/03008916211062642] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Pathologic evaluation of early breast cancer after neoadjuvant therapy is essential to provide prognostic information based on tumor response to treatment (pathologic complete response [pCR] or non-pCR) and to inform therapy decisions after surgery. To harmonize the pathologist’s handling of surgical specimens after neoadjuvant therapy, a panel of experts in breast cancer convened to developed a consensus on six main topics: (1) definition of pCR, (2) required clinical information, (3) gross examination and sampling, (4) microscopic examination, (5) evaluation of lymph node status, and (6) staging of residual breast tumor. The resulting consensus statements reported in this document highlight the role of an accurate evaluation of tumor response and define the minimum requirements to standardize the assessment of breast cancer specimens after neoadjuvant therapy.
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Affiliation(s)
- Elena Guerini-Rocco
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Gerardo Botti
- Scientific Direction, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Napoli, Italy
| | - Maria Pia Foschini
- Unit of Anatomic Pathology “M. Malpighi” at Bellaria Hospital, Department of Biomedical and Neuromotor Sciences, DIBINEM, University of Bologna, Bologna, Italy
| | - Caterina Marchiò
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Italy
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Mauro Giuseppe Mastropasqua
- Department of Emergency and Organs Transplantation, Section of Anatomic Pathology, School of Medicine, University of Bari “Aldo Moro,” Bari, Italy
| | - Giuseppe Perrone
- Research Unit of Pathology, Campus Bio-Medico University, Rome, Italy
| | - Elena Roz
- Pathology Unit, La Maddalena Clinic for Cancer, Palermo, Italy
| | - Alfredo Santinelli
- Anatomic Pathology, Azienda Ospedaliera Ospedali Riuniti Marche Nord, Pesaro, Italy
| | - Isabella Sassi
- Pathology Unit, San Raffaele University and Research Hospital, Milan, Italy
| | - Viviana Galimberti
- Division of Breast Surgery, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | | | - Giuseppe Viale
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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10
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Zhang Z, Zhang H, Li C, Xiang Q, Xu L, Liu Q, Pang X, Zhang W, Zhang H, Zhang S, Duan X, Liu Y, Cui Y. Circulating microRNAs as indicators in the prediction of neoadjuvant chemotherapy response in luminal B breast cancer. Thorac Cancer 2021; 12:3396-3406. [PMID: 34751517 PMCID: PMC8671904 DOI: 10.1111/1759-7714.14219] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 12/25/2022] Open
Abstract
PURPOSE Circulating microRNAs (miRNAs) have been indicated as predictive biomarker for the response to neoadjuvant chemotherapy (NAC) and the prognosis of breast cancer (BC); however, to date the conclusions have been controversial. The biological characteristics of BC were affected by molecular subtypes. Hence, we aimed to investigate the predictive effect of miRNAs on NAC response in luminal B BC patients. METHODS Thirty-seven luminal B BC patient under NAC were prospectively enrolled in this study. Based on their clinical, pathological, and comprehensive response, the patients were defined as responder or non-responders, respectively. Circulating miRNAs were isolated from blood samples before and at the middle of NAC, and candidate miRNAs (miR-34a-5p, miR-125b-5p, miR-210, miR-222, miR-375, miR-718, miR-4516, and let-7g) were analyzed by quantitative real-time polymerase chain reaction (PCR). In addition, the association between miRNAs and disease-free survival (DFS) was examined. RESULTS miR-718, miR-4516, miR-210, and miR-125b-5p were found to be specific miRNAs associated with chemo-sensitivity of luminal B HER2 negative patients (n = 24). In the luminal B HER2 positive cohort (n = 13), dynamics of miR-222 and let-7g correlated with pathological response. Treatment-induced increase in miR-34a-5p in the responders except who reached pathologic complete response (pCR) was consistently identified across all luminal B patients and its two subgroups. Finally, after adjustments for Neo-Bioscore, patients with increased levels of miR-125b-5p during NAC had a worse DFS than those with decreased levels (HR = 5.86, 95% CI = 1.39-24.62, p = 0.016). CONCLUSION Specific circulating miRNAs were identified as predictive markers for NAC response and prognosis in luminal B BC. The underlying mechanism needs further studies.
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Affiliation(s)
- Zhuo Zhang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Hanxu Zhang
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Chao Li
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Qian Xiang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Ling Xu
- Breast Disease Center, Peking University First Hospital, Beijing, China
| | - Qianxin Liu
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Xiaocong Pang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Wenjia Zhang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Hong Zhang
- Department of Pathology, Peking University First Hospital, Beijing, China
| | - Shuang Zhang
- Department of Pathology, Peking University First Hospital, Beijing, China
| | - Xuening Duan
- Breast Disease Center, Peking University First Hospital, Beijing, China
| | - Yinhua Liu
- Breast Disease Center, Peking University First Hospital, Beijing, China
| | - Yimin Cui
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China.,Institute of Clinical Pharmacology, Peking University, Beijing, China
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11
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Synergistic Effect of Doxorubicin and siRNA-Mediated Silencing of Mcl-1 Using Cationic Niosomes against 3D MCF-7 Spheroids. Pharmaceutics 2021; 13:pharmaceutics13040550. [PMID: 33919902 PMCID: PMC8070967 DOI: 10.3390/pharmaceutics13040550] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 12/13/2022] Open
Abstract
Chemotherapy is a vital option for cancer treatment; however, its therapeutic outcomes are limited by dose-dependent toxicity and the occurrence of chemoresistance. siRNAs have emerged as an attractive therapeutic option enabling specific interference with target genes. Combination therapy using chemotherapeutic agents along with gene therapy could be a potential strategy for cancer management, which not only improves therapeutic efficacy but also decreases untoward effects from dose reduction. In this study, a cationic niosome containing plier-like cationic lipid B was used to convey siRNA against anti-apoptotic mRNA into MCF-7 and MDA-MB-231 cells. Mcl-1 silencing markedly decreased the viability of MCF-7 cells and triggered apoptosis. Moreover, computer modeling suggested that the combination of doxorubicin (Dox) and Mcl-1 siRNA exhibited a synergistic relationship and enabled a dose reduction of each agent at 1.71 and 3.91 folds, respectively, to reach a 90% inhibitory effect when compared to single-agent treatments. Synergistic antitumor activity was further verified in a 3D spheroid culture which revealed, in contrast to single-agent treatment, the combination markedly decreased spheroid volume over time. Together, the combination therapy between Mcl-1 silencing and Dox exhibits a synergistic effect that may be exploited for novel breast cancer treatment.
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12
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Firouzabadi D, Dehghanian A, Rezvani A, Mahmoudi L, Talei A. Addition of carboplatin-gemcitabine as second-line neoadjuvant chemotherapy in non-responsive locally advanced breast cancer patients to standard neoadjuvant chemotherapy and evaluation of factors affecting response: a randomized controlled trial. BMC Cancer 2021; 21:47. [PMID: 33430808 PMCID: PMC7798240 DOI: 10.1186/s12885-020-07652-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/17/2020] [Indexed: 12/20/2022] Open
Abstract
Background Neoadjuvant chemotherapy (NACT) is the prime approach to the management of locally advanced breast cancer (LABC). Influenced by different factors such as pathologic tumor characteristics, hormone receptor status, HER2 and proliferation marker expressions, response to therapy cannot be easily predicted. Pathologic complete response (pCR) has been considered as an endpoint to NACT; however, pCR rates have been unsatisfactory in such patients. In this randomized trial, we studied the efficacy of carboplatin/gemcitabine as second-line NACT while evaluating the impact of different factors affecting response. Methods In this randomized controlled trial, 52 clinically non-responsive (confirmed by palpation and/or ultrasonography) LABC patients to 4 cycles of doxorubicin/cyclophosphamide followed by 4 cycles of paclitaxel ± trastuzumab were randomly allocated to two groups. “Control” group underwent breast surgery and were further evaluated for pCR (ypT0/is ypN0). “Intervention” group received 2 cycles of carboplatin/gemcitabine and patients were further evaluated for pCR following surgery. Results In a total of 52 patients, pCR rate was 30.7%. pCR and response rate in lymph nodes were higher in carboplatin/gemcitabine recipients (32% vs 29.7 and 44% vs 40.7% respectively), however differences were insignificant. In both the “intervention” group and total study population, most pCR cases were of the hormone receptor (HR)+/HER2+ subtype (87.5% and 75% respectively). HER2 positivity, ki67 expression, lower extent of ER positivity, higher tumor grade and tumor-infiltrating lymphocyte (TIL) lead to higher pCR rates. Adverse events following addition of carboplatin/gemcitabine were mostly hematologic and none required hospitalization. Anemia was the most common grade 3 adverse event observed. No grade 4 toxicity was evident. Conclusion Although the proposed carboplatin/gemcitabine combination could not improve pCR rates as expected, probability of immune activation following use of carboplatin in achieving response to NACT may be considered. Accounting for the highest number of pCR cases in the “intervention” group, the HR+/HER2+ subtype with high TILs may be considered as most responsive to the proposed regimen in this study. It is noteworthy that the proposed combination imposed minimal toxicity. Trial registration This trial was prospectively registered in IRCT.ir (IRCT2017100136491N1). Date of registration: 19 November 2017.
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Affiliation(s)
- Dena Firouzabadi
- Department of Clinical Pharmacy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amirreza Dehghanian
- Trauma Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Molecular Pathology and Cytogenetics Section, Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Rezvani
- Hematology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. .,Hematology and Medical Oncology Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Laleh Mahmoudi
- Department of Clinical Pharmacy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Abdolrasoul Talei
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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13
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Miyashita H, Satoi S, Cruz C, Malamud SC. Neo-adjuvant therapy for triple-negative breast cancer: Insights from a network meta-analysis. Breast J 2020; 26:1717-1728. [PMID: 32657479 DOI: 10.1111/tbj.13978] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 06/19/2020] [Accepted: 06/23/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND The best regimen of neo-adjuvant therapy for triple-negative breast cancer (TNBC) is unknown. Recent studies have shown promising data that adding carboplatin or pembrolizumab improves the rate of pathologic complete response (pCR) in TNBC. Therefore, we performed a network meta-analysis to define the overall, most effective, neo-adjuvant systemic therapy for TNBC. METHODS We searched for studies comparing different neo-adjuvant regimens in patients with TNBC. We performed a network meta-analysis comparing the regimens using the random-effects model. We focused on anthracycline, bevacizumab, pembrolizumab, and platinum salts (Pl). All study regimens contained a taxane. We analyzed the rate of pCR (ypT0/is, N0), and the incidence of febrile neutropenia, grade 3-grade 4 thrombocytopenia, nausea/vomiting, and diarrhea. RESULTS We identified a total of 13 randomized control trials for this analysis. We compared ten different classes of regimens. We found that regimens containing Pl were significantly superior to non-PI-containing regimens for the rate of pCR. Similarly, pembrolizumab-containing regimens were associated with significantly higher pCR rates. Regimens containing bevacizumab significantly increased the rate of pCR as well. However, it was equivocal as to whether the addition of Pl to pembrolizumab-containing regimen increases pCR rates. Adding anthracycline into the regimen did not show an improved rate of pCR. In the safety analysis, regimens containing Pl were associated with a significantly higher incidence of febrile neutropenia and grade 3-grade 4 thrombocytopenia. The regimen containing anthracycline plus bevacizumab plus Pl was associated with a higher risk of gastrointestinal adverse events. CONCLUSIONS For TNBC, regimens containing bevacizumab, pembrolizumab, or Pl are most effective in terms of pCR rates, though it is unclear whether combining all these medications has the greatest efficacy. Additionally, the benefit of using anthracycline in the neo-adjuvant therapy regimen for TNBC is not apparent, which may warrant a further head-to-head comparison.
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Affiliation(s)
- Hirotaka Miyashita
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sera Satoi
- Department of Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Christina Cruz
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Stephen C Malamud
- Mount Sinai/Beth Israel Comprehensive Cancer Center, New York, NY, USA
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14
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Escrivá-de-Romaní S, Arumí M, Zamora E, Bellet M. Neoadjuvant Model as a Platform for Research in Breast Cancer and Novel Targets under Development in this Field. Breast Care (Basel) 2018; 13:251-262. [PMID: 30319327 DOI: 10.1159/000492122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
For decades, the neoadjuvant setting has provided a useful scenario for research in breast cancer. Historically, neoadjuvant clinical trials, either hormone therapy-based or chemotherapy-based, have tried to recapitulate the results of their counterpart adjuvant studies, but with smaller patient numbers, more rapid outcomes (clinical response and/or pathologic complete response (pCR)), together with additional biologic information. As for neoadjuvant chemotherapy trials, the increase in pCR rates has been recently accepted as an appropriate surrogate marker to accelerate drug approval in high-risk breast cancer patients. In this setting, with the exception of luminal A tumors, pCR has been associated with improved long-term outcomes, particularly when the analysis is based on specific trials for each breast cancer subtype. For luminal tumors receiving neoadjuvant endocrine therapy, Ki67 at 2-4 weeks and the preoperative endocrine prognostic index score are the most accepted intermediate markers of efficacy, which will be validated in ongoing larger trials. In this review, we describe the different neoadjuvant designs: from the classical randomized trials in which treatment is delivered for 6 or more months to short non-therapeutic presurgical studies lasting just 2 or 3 weeks. We also review the main neoadjuvant trials, either ongoing or completed, for luminal, triple-negative, and HER2-positive breast cancer. The translational effort and research of biomarkers conducted in these studies will be particularly addressed.
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Affiliation(s)
- Santiago Escrivá-de-Romaní
- Medical Oncology, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Miriam Arumí
- Medical Oncology, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Esther Zamora
- Medical Oncology, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Meritxell Bellet
- Medical Oncology, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
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15
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Saura C. From Standard of Care to the Neoadjuvant Model as an Innovative Platform for Exploring Promising Combinations in Breast Cancer. Breast Care (Basel) 2018; 13:236-237. [PMID: 30319324 PMCID: PMC6167678 DOI: 10.1159/000492515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023] Open
Affiliation(s)
- Cristina Saura
- Breast Cancer Unit, Medical Oncology Service, Vall d'Hebron University Hospital, Barcelona, Spain
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