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https://www.readbyqxmd.com/read/28102883/exploring-prognostic-factors-for-her2-positive-metastatic-breast-cancer-a-retrospective-cohort-study-in-a-major-swiss-hospital
#1
Lilian Bringolf, Bernhard Pestalozzi, Daniel Fink, Konstantin Dedes
BACKGROUND: Trastuzumab (Herceptin®, Roche) has significantly improved the prognosis of patients with HER2-positive metastatic breast cancer. Some patients remain in remission for many years. However, there are no prognostic markers associated with long-term survival. This study aimed to analyse treatment patterns of HER2-positive metastatic breast cancer at a single institution and explore prognostic factors for long-term survival after HER2-targeted treatment. PATIENTS AND METHODS: This was a retrospective cohort study of all patients with HER2-positive metastatic breast cancer receiving first-line treatment with HER2-targeted therapy between 2004 and 2014 at the University Hospital of Zurich (n = 81)...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28101033/maximizing-the-benefit-cost-ratio-of-anthracyclines-in-metastatic-breast-cancer-case-report-of-a-patient-with-a-complete-response-to-high-dose-doxorubicin
#2
Kevin Shee, Alan T Kono, Susan P D'Anna, Mark A Seltzer, Xiaoying Lu, Todd W Miller, Mary D Chamberlin
Despite the clinical efficacy of anthracycline agents such as doxorubicin, dose-limiting cardiac toxicities significantly limit their long-term use. Here, we present the case of a 33-year-old female patient with extensive metastatic ER+/PR+/HER2- mucinous adenocarcinoma of the breast, who was started on doxorubicin/cyclophosphamide therapy after progressing on paclitaxel and ovarian suppressor goserelin with aromatase inhibitor exemestane. The patient was comanaged by cardiology, who carefully monitored measures of cardiac function, including EKGs, serial echocardiograms, and profiling of lipids, troponin, and pro-BNP every 2 months...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28097656/palliation-and-breast-cancer
#3
REVIEW
Cheng-Har Yip
Metastatic breast cancer is an incurable disease. With improvement in systemic therapy, survival has improved over the past few years. Removing the primary tumor has shown improved survival in retrospective studies, but this may be due to selection bias. The first reported randomized controlled trial (RCT) from India showed no difference in survival with surgery. However another RCT from Turkey showed that a select group of patient with bone-only metastases have a survival benefit.
January 18, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28097652/mdm4-is-a-rational-target-for-treating-breast-cancers-with-mutant-p53
#4
Panimaya Jeffreena Miranda, Daniel Buckley, Dinesh Raghu, Jia-Min B Pang, Elena A Takano, Reshma Vijayakumaran, Amina F A S Teunisse, Atara Posner, Tahlia Procter, Marco J Herold, Cristina Gamell, Jean-Christophe Marine, Stephen B Fox, Aart Jochemsen, Sue Haupt, Ygal Haupt
Mutation of the key tumour suppressor p53 defines a transition in the progression toward aggressive and metastatic breast cancer (BC) with the poorest outcome. Specifically, p53 mutation frequency exceeds 50% in Triple Negative BC (TNBC). Key regulators of mutant p53 that facilitate its oncogenic functions are potential therapeutic targets. We report here that the MDM4 protein is frequently abundant in the context of mutant p53 in basal-like BC samples. Importantly, we show that MDM4 plays a critical role in the proliferation of these BC cells...
January 18, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28092723/pertuzumab-and-breast-cancer-another-piece-in-the-anti-her2-puzzle
#5
Dr Lorenzo Gerratana, Dr Marta Bonotto, Dr Claudia Bozza, Dr Elena Ongaro, Dr Valentina Fanotto, Dr Giacomo Pelizzari, Prof Fabio Puglisi
The mechanism of action of pertuzumab, a recombinant anti-HER2 humanized monoclonal antibody, is complementary to trastuzumab's. On June 8, 2012, the Food and Drug Administration approved the combination of pertuzumab with trastuzumab and docetaxel as first-line treatment of HER2-positive metastatic breast cancer. Furthermore, pertuzumab is the first drug to be approved in the neoadjuvant setting using a pathological complete response as an endpoint. Areas covered: The review provides insights into the main mechanisms of action of pertuzumab...
January 16, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28092355/highly-favorable-outcome-in-brca-mutated-metastatic-breast-cancer-patients-receiving-high-dose-chemotherapy-and-autologous-hematopoietic-stem-cell-transplantation
#6
L Boudin, A Gonçalves, R Sabatier, J Moretta, P Sfumato, P Asseeva, D Livon, F Bertucci, J-M Extra, C Tarpin, G Houvenaeghel, E Lambaudie, A Tallet, M Resbeut, H Sobol, E Charafe-Jauffret, B Calmels, C Lemarie, J-M Boher, P Viens, F Eisinger, C Chabannon
No abstract text is available yet for this article.
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28090417/pattern-of-local-recurrence-and-distant-metastasis-in-breast-cancer-by-molecular-subtype
#7
Xingrao Wu, Ayesha Baig, Goulnar Kasymjanova, Kamran Kafi, Christina Holcroft, Hind Mekouar, Annie Carbonneau, Boris Bahoric, Khalil Sultanem, Thierry Muanza
BACKGROUND AND PURPOSE:  No longer considered a single disease entity, breast cancer is being classified into several distinct molecular subtypes based on gene expression profiling. These subtypes appear to carry prognostic implications and have the potential to be incorporated into treatment decisions. In this study, we evaluated patterns of local recurrence (LR), distant metastasis (DM), and association of survival with molecular subtype in breast cancer patients in the post-adjuvant radiotherapy setting...
December 9, 2016: Curēus
https://www.readbyqxmd.com/read/28087961/treatment-of-heavily-pre-treated-metastatic-breast-cancer-with-eribulin-first-local-experience-in-sabah
#8
D W Lee, D C Teoh, F L Chong
There are many options in the treatment of heavily pretreated metastatic breast cancer however none of the therapeutic agents have shown promising improvement of survival with good toxicity profile. Eribulin is a novel nontaxane microtubule dynamics inhibitor. Two recent clinical trial showed that Eribulin improves progression-free and overall survival in this subset of patients. We report our experience with using Eribulin in five patients with metastatic breast cancer either in second or third-line setting, in our centre...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087643/tumor-brca1-reversion-mutation-arising-during-neoadjuvant-platinum-based-chemotherapy-in-triple-negative-breast-cancer-is-associated-with-therapy-resistance
#9
Anosheh Afghahi, Kirsten M Timms, Shaveta Vinayak, Kristin C Jensen, Allison W Kurian, Robert W Carlson, Pei-Jen Chang, Elizabeth A Schackmann, Anne-Renee Hartman, James M Ford, Melinda L Telli
BACKGROUND: In germline BRCA1 or BRCA2 (BRCA1/2) mutation carriers, restoration of tumor BRCA1/2 function by a secondary mutation is recognized as a mechanism of resistance to platinum and PARP inhibitors, primarily in ovarian cancer. We evaluated this mechanism of resistance in newly diagnosed BRCA1/2-mutant breast cancer patients with poor response to neoadjuvant platinum-based therapy. METHODS: PrECOG 0105 was a phase II neoadjuvant study of gemcitabine, carboplatin and iniparib in patients with stage I-IIIA triple-negative or BRCA1/2 mutation-associated breast cancer (n=80)...
January 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28086829/genomic-pathways-modulated-by-twist-in-breast-cancer
#10
Farhad Vesuna, Yehudit Bergman, Venu Raman
BACKGROUND: The basic helix-loop-helix transcription factor TWIST1 (Twist) is involved in embryonic cell lineage determination and mesodermal differentiation. There is evidence to indicate that Twist expression plays a role in breast tumor formation and metastasis, but the role of Twist in dysregulating pathways that drive the metastatic cascade is unclear. Moreover, many of the genes and pathways dysregulated by Twist in cell lines and mouse models have not been validated against data obtained from larger, independant datasets of breast cancer patients...
January 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28077796/tumor-cell-migration-is-inhibited-by-a-novel-therapeutic-strategy-antagonizing-the-alpha-7-receptor
#11
Chris Pepper, Henry Tu, Paul Morrill, Sara Garcia-Rates, Chris Fegan, Susan Greenfield
A 14mer peptide (T14) derived from the C-terminus of acetylcholinesterase (AChE) selectively activates metastatic breast cancer cells via the alpha-7 nicotinic receptor (α7 nAChR). This naturally occurring peptide is also present in brain, is elevated in Alzheimer's disease, and is antagonised by a cyclized variant (NBP-14). Here we investigated the effects of NBP-14 in six different cancer cell lines, primary leukemia B-cells and normal B-cells. All cells tested expressed α7 nAChR, intracellular and extracellular T14...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28069877/bone-seeking-matrix-metalloproteinase-2-inhibitors-prevent-bone-metastatic-breast-cancer-growth
#12
Marilena Tauro, Gemma Shay, Samer S Sansil, Antonio Laghezza, Paolo Tortorella, Anthony M Neuger, Hatem Soliman, Conor C Lynch
Bone metastasis is common during breast cancer progression. Matrix metalloproteinase-2 (MMP-2) is significantly associated with aggressive breast cancer and poorer overall survival. In bone, tumor or host derived MMP-2 contributes to breast cancer growth and does so by processing substrates including type I collagen and transforming growth factorβ (TGFβ) latency proteins. These data provide strong rationale for the application of MMP-2 inhibitors to treat the disease. However, in vivo, MMP-2 is systemically expressed...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28065930/rapid-changes-in-circulating-tumor-dna-in-serially-sampled-plasma-during-treatment-of-breast-cancer-a-case-report
#13
Hiroshi Nakagomi, Yosuke Hirotsu, Kenji Amemiya, Haruka Nakada, Masayuki Inoue, Hitoshi Mochizuki, Toshio Oyama, Masao Omata
BACKGROUND The analysis of circulating tumor DNA (ctDNA) is expected to be a modality to determine the status of cancer in real time. This case indicated utilities and issues in measuring the ctDNA in cancer patients. CASE REPORT A 45-year-old woman with metastatic breast cancer was treated with bevacizumab and paclitaxel. The lung metastases were decreased but the meningitis carcinoma developed rapidly and she died. During the treatment with bevacizumab and paclitaxel, blood samples were taken serially and ctDNA was analyzed using a next-generation sequencer...
January 9, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28063028/her2-positive-metastatic-breast-cancer-patients-receiving-pertuzumab-in-a-community-oncology-practice-setting-treatment-patterns-and-outcomes
#14
Nicholas J Robert, Hans-Peter Goertz, Pooja Chopra, Xiaolong Jiao, Bongin Yoo, Debra Patt, Vincent Antao
BACKGROUND: Pertuzumab (Perjeta(®)), a HER2/neu receptor antagonist, was approved by the US Food and Drug Administration in June 2012 for use in the first-line setting for patients with HER2-positive metastatic breast cancer (mBC). OBJECTIVE: This retrospective study investigated the clinical and demographic characteristics, treatment patterns, safety, and clinical outcomes for patients with HER2-positive mBC who received pertuzumab in the first-line setting in US community oncology practices...
January 6, 2017: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/28061482/genomic-mutation-driven-metastatic-breast-cancer-therapy-a-single-center-experience
#15
Yuan Yuan, Susan E Yost, Yate-Ching Yuan, Nicola M Solomon, Isa Mambetsariev, Sumanta Pal, Paul Frankel, Ravi Salgia, Susan L Neuhausen, Joanne Mortimer
BACKGROUND: Next-Generation Sequencing (NGS) has made genomic mutation-driven therapy feasible for metastatic breast cancer (MBC) patients. We frequently submit tumor tissue from MBC patients for targeted NGS of tumor using the Illumina HiSeq 2000 platform (FoundationOne®, Foundation Medicine, MA). Herein, we report the results and clinical impact of this test in MBC patients. PATIENTS AND METHODS: We identified patients with MBC treated at City of Hope from January 2014 to May 2016 who underwent NGS...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28060755/antitumor-and-antimetastatic-activities-of-a-novel-benzothiazole-2-thiol-derivative-in-a-murine-model-of-breast-cancer
#16
XiaoLin Hu, Sen Li, Yan He, Ping Ai, Shaoyong Wu, Yonglin Su, Xiaolin Li, Lei Cai, Xingchen Peng
The prognosis of metastatic breast cancer is always very poor. Thus, it is urgent to develop novel drugs with less toxicity against metastatic breast cancer. A new drug (XC-591) derived from benzothiazole-2-thiol was designed and synthesized in our lab. In this study, we tried to assess effects of XC-591 treatment on primary breast cancer and pulmonary metastasis in 4T1 mice model. Furthermore, we tried to discover its possible molecular mechanism of action. MTT experiment showed XC-591 had significant anti-cancer activity on diverse cancer cells...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28060723/the-effect-of-androgen-receptor-expression-on-clinical-characterization-of-metastatic-breast-cancer
#17
Ji-Yeon Kim, Kyunghee Park, Eunjin Lee, Hae Hyun Jung, Jin Seok Ahn, Young-Hyuck Im, Woong-Yang Park, Yeon Hee Park
In breast cancer (BC), androgen receptor (AR) expression is related to estrogen receptor (ER) and/or progesterone receptor (PgR) expression. AR expression is an indicator of good prognosis in breast cancer regardless of hormone receptor (HR) status. In this study, we evaluated the effect of AR-related gene expression on clinical characterization of metastatic BC. We performed RNA-Seq to evaluate gene expression using mRNA extracted from 37 patients with metastatic BC. Intrinsic subtype prediction, analysis of differential gene expression, and gene set enrichment pathway analysis were then performed...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28058615/complete-remission-in-metastatic-breast-cancer-expecting-the-unexpected-results-of-a-cross-sectional-study
#18
Giulia Galli, Anna Tessari, Luca Porcu, Giacomo Bregni, Biagio Paolini, Maria Luisa Carcangiu, Massimiliano Gennaro, Maria Carmen De Santis, Laura Lozza, Filippo de Braud, Serena Di Cosimo
BACKGROUND: Complete response (CR) in metastatic breast cancer (MBC) is rare. This study aims at analyzing the characteristics and outcome of MBC patients achieving CR. METHODS: We performed a cross-sectional analysis of clinical data from a consecutive series of MBC patients admitted at the Division of Medical Oncology of Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy, achieving CR following treatment for systemic disease and with at least 2 years of follow-up...
January 5, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28057664/incidence-and-management-of-diarrhea-in-patients-with-her2-positive-breast-cancer-treated-with-pertuzumab
#19
S M Swain, A Schneeweiss, L Gianni, J J Gao, A Stein, M Waldron-Lynch, S Heeson, M S Beattie, B Yoo, J Cortes, J Baselga
BACKGROUND: Pertuzumab disrupts heterodimerization between human epidermal growth factor receptor 2 (HER2) and epidermal growth factor receptor (EGFR), HER3, and HER4. Thus, pertuzumab could result in adverse events similar to those observed with EGFR antagonists, such as diarrhea. We report the incidence and severity of diarrhea observed with pertuzumab in the CLEOPATRA, NeoSphere, and TRYPHAENA studies. PATIENTS AND METHODS: Patients (n=1443) had metastatic (CLEOPATRA [n=804]) or early-stage breast cancer (NeoSphere [n=416] and TRYPHAENA [n=223])...
January 5, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28056463/soluble-ve-cadherin-in-metastatic-breast-cancer-an-independent-prognostic-factor-for-both-progression-free-survival-and-overall-survival
#20
Pauline Rochefort, Sylvie Chabaud, Jean-Yves Pierga, Olivier Tredan, Etienne Brain, François-Clément Bidard, Camille Schiffler, Helena Polena, Abir Khalil-Mgharbel, Isabelle Vilgrain, Thomas Bachelot
BACKGROUND: Patients with metastatic breast cancer (MBC) represent a heterogeneous group, with large differences in outcomes from individual patients. VE-cadherin, an endothelial-specific cadherin, was shown to promote tumour proliferation and angiogenesis. Soluble VE-cadherin has been recently associated to breast cancer progression. This study was designed to investigate the prognosis significance of soluble VE-cadherin in hormone-refractory MBC. METHODS: Between 2004 and 2007, 150 patients with a fully documented history of hormone-refractory MBC were included in the prospective SEMTOF study...
January 5, 2017: British Journal of Cancer
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