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https://www.readbyqxmd.com/read/28643430/platinum-containing-regimens-for-metastatic-breast-cancer
#1
REVIEW
Sam J Egger, Melina L Willson, Jenna Morgan, Harriet S Walker, Sue Carrick, Davina Ghersi, Nicholas Wilcken
BACKGROUND: Studies have reported high tumour response rates for platinum-containing regimens in the treatment of women with metastatic breast cancer. Most of these studies were conducted prior to the 'intrinsic subtype' era, and did not specifically focus on metastatic triple-negative breast cancers (mTNBCs). OBJECTIVES: To identify and review the evidence from randomised trials comparing platinum-containing chemotherapy regimens with regimens not containing platinum in the management of women with metastatic breast cancer...
June 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28636538/phase-i-dose-escalation-study-of-the-c-met-tyrosine-kinase-inhibitor-sar125844-in-asian-patients-with-advanced-solid-tumors-including-patients-with-met-amplified-gastric-cancer
#2
Kohei Shitara, Tae Min Kim, Tomoya Yokota, Masahiro Goto, Taroh Satoh, Jin-Hee Ahn, Hyo Song Kim, Sylvie Assadourian, Corinne Gomez, Marzia Harnois, Satoshi Hamauchi, Toshihiro Kudo, Toshihido Doi, Yung-Jue Bang
SAR125844 is a potent and selective inhibitor of the c-Met kinase receptor. This was an open-label, phase I, multicenter, dose-escalation, and dose-expansion trial of SAR125844 in Asian patients with solid tumors, a subgroup of whom had gastric cancer and MET amplification (NCT01657214). SAR125844 was administered by intravenous infusion (260-570 mg/m2) on days 1, 8, 15, and 22 of each 28-day cycle. Objectives were to determine the maximum tolerated dose (MTD) and to evaluate SAR125844 safety and pharmacokinetic profile...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611536/germline-mutations-in-triple-negative-breast-cancer
#3
REVIEW
Eric Hahnen, Jan Hauke, Christoph Engel, Guido Neidhardt, Kerstin Rhiem, Rita K Schmutzler
Triple-negative breast cancer (TNBC) is associated with a poor prognosis and defines a subgroup of patients who do not benefit from endocrine or anti-HER2 therapy. Rather than being a biological entity, TNBC represents a heterogeneous disease, and further subtyping is necessary to establish targeted therapies. Germline mutational status may serve as a robust biomarker predicting therapy response, especially with respect to compounds challenging the DNA repair machinery. Patients with TNBC usually show an early onset of the disease, as well as a positive family history of breast and/or ovarian cancer in more than one third of all cases, which suggests that TNBC is closely associated with a hereditary disease cause...
March 2017: Breast Care
https://www.readbyqxmd.com/read/28611280/efficacy-of-adjuvant-chemotherapy-with-carboplatin-for-early-triple-negative-breast-cancer-a-single-center-experience
#4
Marcus Vetter, Spyridon Fokas, Ewelina Biskup, Thomas Schmid, Fabienne Schwab, Andreas Schoetzau, Uwe Güth, Christoph Rochlitz, Rosanna Zanetti-Dällenbach
BACKGROUND: Anthracycline- and taxane-based adjuvant chemotherapies are the most frequently used systemic treatments for women with triple negative breast cancer (TNBC). Adding platinum derivatives in the neo-adjuvant setting has been shown to not only improve the pCR rates, but also the 3 year DFS for TNBC patients; however, data on platinum derivatives in the adjuvant setting are limited. METHODS: We conducted a retrospective, single-center study in a Swiss breast cancer cohort to evaluate the role of carboplatin in addition to standard adjuvant therapy (anthracyclines and/ or taxanes) in early TNBC patients...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28596260/evaluating-the-nccn-clinical-criteria-for-recommending-brca1-and-brca2-genetic-testing-in-patients-with-breast-cancer
#5
Caiqian Cropper, Ashley Woodson, Banu Arun, Carlos Barcenas, Jennifer Litton, Sarah Noblin, Diane Liu, Minjeong Park, Molly Daniels
Background: Mutations in the BRCA1 and BRCA2 genes predispose individuals to a significantly elevated risk for breast and ovarian cancers. Identification of these individuals allows for proper screening, management, and testing of at-risk relatives. NCCN has established clinical criteria for recommending BRCA1/2 testing. Patients and Methods: A retrospective chart review of 1,123 patients with breast cancer was performed to evaluate the positive predictive values (PPVs) of 14 individual criteria for predicting BRCA1/2 mutations...
June 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28580595/mutation-screening-of-10-cancer-susceptibility-genes-in-unselected-breast-cancer-patients
#6
Yueliang Xie, Li Guoli, Ming Chen, Xinwu Guo, Lili Tang, Xipeng Luo, Shouman Wang, Wenjun Yi, Lizhong Dai, Jun Wang
Variants of cancer susceptibility genes other than BRCA1/2 have been proved to be associated with increased risks of breast cancer. This study was performed to investigate the spectrum and prevalence of mutations in 10 cancer susceptibility genes in paired tumor/normal tissues of 292 unselected Chinese breast cancer patients. We performed an analysis of germline and somatic variants in ATM, CDH1, CHEK2, ESR1, GATA3, MAP3K1, MSH2, PALB2, RB1 and STK11 genes by integrating microfluidic PCR-based target enrichment and next-generation sequencing technologies...
June 5, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28559413/targeting-the-molecular-subtypes-of-triple-negative-breast-cancer-understanding-the-diversity-to-progress-the-field
#7
Clinton Yam, Sendurai A Mani, Stacy L Moulder
Triple negative breast cancers (TNBCs) represent 10%-20% of primary breast cancers, and despite having greater initial sensitivity to cytotoxic chemotherapy, patients with TNBCs have higher rates of distant metastasis and a poorer prognosis compared with patients with hormone receptor positive and/or human epidermal growth factor receptor 2 positive disease. TNBC has historically been treated as a single disease entity in targeted therapy trials, but advances in gene expression profiling and other molecular diagnostic techniques over the last decade have revealed considerable biologic heterogeneity within TNBCs, including subgroups with distinct, targetable aberrations...
May 30, 2017: Oncologist
https://www.readbyqxmd.com/read/28464908/a-phase-i-study-of-lapatinib-in-combination-with-foretinib-a-c-met-axl-and-vascular-endothelial-growth-factor-receptor-inhibitor-in-human-epidermal-growth-factor-receptor-2-her-2-positive-metastatic-breast-cancer
#8
Stephen K Chia, Susan L Ellard, Mihaela Mates, Stephen Welch, Catalin Mihalcioiu, Wilson H Miller, Karen Gelmon, Caroline Lohrisch, Vikaash Kumar, Sara Taylor, Linda Hagerman, Rachel Goodwin, Tao Wang, Shingo Sakashita, Ming S Tsao, Elizabeth Eisenhauer, Penelope Bradbury
BACKGROUND: The mechanisms of resistance to anti-human epidermal growth factor receptor 2 (HER 2) therapies are unclear but may include the tyrosine-protein kinase Met (c-Met), vascular endothelial growth factor (VEGF) and AXL pathways. Foretinib is an inhibitor of c-Met, VEGF receptor 2 (VEGFR-2), platelet-derived growth factor receptor beta (PDGFRB), AXL, Fms-like tyrosine kinase 3 (FLT3), angiopoiten receptor (TIE-2), RET and RON kinases. This phase Ib study sought to establish the associated toxicities, pharmacokinetics (PK) and recommended phase II doses (RP2D) of foretinib and lapatinib in a cohort of HER-2-positive patients with metastatic breast cancer (MBC)...
May 2, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28449661/prognosis-and-treatment-of-non-metastatic-primary-and-secondary-breast-angiosarcoma-a-comparative-study
#9
Ming Yin, Wenge Wang, Joseph J Drabick, Harvey A Harold
BACKGROUND: Breast angiosarcoma is a rare malignancy with limited publications confined to small retrospective case reviews and case reports. Knowledge of this disease is limited because information from previous studies is insufficient and inconsistent. METHODS: We obtained data from the Surveillance, Epidemiology, and End Results Program for non-metastatic primary and secondary breast angiosarcoma, and performed analysis to determine clinicopathological characteristics and estimate their associations with overall survival (OS)...
April 27, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28429617/esas-and-fact-b-in-eribulin-treated-metastatic-breast-cancer-patients-a-multicenter-prospective-and-observational-study
#10
Luca Moscetti, Lucia Mentuccia, Patrizia Vici, Silvia Quadrini, Isabella Sperduti, Laura Pizzuti, Maria Agnese Fabbri, Angela Vaccaro, Saccà Marcello-Maugeri, Maddalena Barba, Domenico Sergi, Germano Zampa, Teresa Gamucci
AIM: Quality of life (QoL) is a critical issue for women with metastatic breast cancer (MBC). Eribulin mesylate represents a novel and active drug for pretreated MBC. Regretfully, few data exploring health-related (HR) QoL are available in unselected populations. PATIENTS & METHODS: A multicenter prospective observational study was conducted in 50 MBC patients treated with eribulin mesylate, in order to evaluate HRQoL and patients' well-being by using the Edmonton symptoms assessment scale (ESAS) and Functional Assessment of Cancer Therapy-Breast questionnaires...
April 21, 2017: Future Oncology
https://www.readbyqxmd.com/read/28429197/axillary-micrometastases-and-isolated-tumor-cells-are-not-an-indication-for-post-mastectomy-radiotherapy-in-stage-1-and-2-breast-cancer
#11
Anita Mamtani, Sujata Patil, Michelle Stempel, Monica Morrow
BACKGROUND: Randomized trials demonstrate equivalent locoregional control with sentinel lymph node biopsy (SLNB) or axillary lymph node dissection (ALND) for T1-2 micrometastatic breast cancer, but include few mastectomy patients. Consensus is lacking on indications for post-mastectomy radiotherapy (PMRT) in this population. Herein, we evaluate locoregional recurrence (LRR) in an unselected, modern cohort of T1-2 breast cancer patients with micrometastases or isolated tumor cells (ITCs; N0i+/N1mi) having a mastectomy...
April 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28427155/update-of-igf-1-receptor-inhibitor-ganitumab-dalotuzumab-cixutumumab-teprotumumab-and-figitumumab-effects-on-cancer-therapy
#12
REVIEW
Xiao Qu, Zhinan Wu, Wei Dong, Tiehong Zhang, Liguang Wang, Zhaofei Pang, Wei Ma, Jiajun Du
BACKGROUND: Prognostic studies of insulin-like growth factor-1 receptor(IGF-1R) inhibitors in cancer therapy had promising results in infratests, which exhibited that IGF-1R signalling was crucial in cancer cells growth. However, the conclusion of later clinical trials revealed a dim future for IGF-1R inhibitors to treat cancer. We conducted this analysis to figure out how IGF-1R inhibitors acted in clinical cancer therapy. MATERIAL AND METHODS: We searched up-to-date studies about the single agent of IGF-1R inhibitors or combination with other therapies in solid tumor...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28355581/capecitabine-in-early-breast-cancer-a-meta-analysis-of-randomised-controlled-trials
#13
Akina Natori, Josee-Lyne Ethier, Eitan Amir, David W Cescon
PURPOSE: Capecitabine is an effective therapy for metastatic breast cancer. Its role in early breast cancer is uncertain due to conflicting data from randomised controlled trials (RCTs). METHODS: PubMed and major conference proceedings were searched to identify RCTs comparing standard chemotherapy with or without capecitabine in the neoadjuvant or adjuvant setting. Hazard ratios (HRs) for disease-free survival (DFS) and overall survival (OS), as well as odds ratios (ORs) for toxicities were extracted or calculated and pooled in a meta-analysis...
March 26, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28334423/are-there-patients-with-t1-to-t2-lymph-node-negative-breast-cancer-who-are-high-risk-for-locoregional-disease-recurrence
#14
Anita Mamtani, Sujata Patil, Michelle M Stempel, Monica Morrow
BACKGROUND: Indications for postmastectomy radiotherapy (PMRT) in patients with T1 to T2, lymph node-negative (N0) breast cancer with "high-risk" features are controversial. The European Organization for Research and Treatment of Cancer (EORTC) 22922 and National Cancer Institute of Canada Clinical Trials Group MA20 trials reporting improved 10-year disease-free survival with lymph node irradiation included patients with high-risk N0 disease, but, to the authors' knowledge, benefits in patients receiving modern systemic therapy are uncertain...
March 23, 2017: Cancer
https://www.readbyqxmd.com/read/28319069/the-branched-chain-amino-acid-transaminase-1-sustains-growth-of-antiestrogen-resistant-and-er%C3%AE-negative-breast-cancer
#15
V Thewes, R Simon, M Hlevnjak, M Schlotter, P Schroeter, K Schmidt, Y Wu, T Anzeneder, W Wang, P Windisch, M Kirchgäßner, N Melling, N Kneisel, R Büttner, U Deuschle, H P Sinn, A Schneeweiss, S Heck, S Kaulfuss, H Hess-Stumpp, J G Okun, G Sauter, A E Lykkesfeldt, M Zapatka, B Radlwimmer, P Lichter, M Tönjes
Antiestrogen-resistant and triple-negative breast tumors pose a serious clinical challenge because of limited treatment options. We assessed global gene expression changes in antiestrogen-sensitive compared with antiestrogen-resistant (two tamoxifen resistant and two fulvestrant resistant) MCF-7 breast cancer cell lines. The branched-chain amino acid transaminase 1 (BCAT1), which catalyzes the first step in the breakdown of branched-chain amino acids, was among the most upregulated transcripts in antiestrogen-resistant cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28301567/integrated-analysis-of-promoter-mutation-methylation-and-expression-of-akt1-gene-in-chinese-breast-cancer-patients
#16
Jianfu Heng, Xinwu Guo, Wenhan Wu, Yue Wang, Guoli Li, Ming Chen, Limin Peng, Shouman Wang, Lizhong Dai, Lili Tang, Jun Wang
BACKGROUND: As downstream mediators of PI3K /PTEN /AKT /mTORC1 pathway, the AKT isoforms play critical roles in tumorgenesis. Although the pleiotropic effects of AKT1 in breast cancer have been reported, the genetic and epigenetic characteristics of AKT1 promoter region in breast cancer remains to be identified. In this study we aimed to investigate the promoter mutation spectrum, methylation and gene expression pattern of AKT1 and their relationship with breast cancer. METHODS: By using PCR target sequence enrichment and next-generation sequencing technology, we sequenced AKT1 promoter region in pairs of breast tumor and normal tissues from 95 unselected Chinese breast cancer patients...
2017: PloS One
https://www.readbyqxmd.com/read/28281842/opportunities-and-challenges-of-long-term-anti-estrogenic-adjuvant-therapy-treatment-forever-or-intermittently
#17
Poulomi Bhattacharya, Balkees Abderrahman, V Craig Jordan
Extended adjuvant (5-10 years) therapy targeted to the estrogen receptor (ER) has significantly decreased mortality from breast cancer (BC). Areas covered: Translational research advanced clinical testing of extended adjuvant therapy with tamoxifen or aromatase inhibitors (AIs). Short term therapy or non-compliance increase recurrence, but surprisingly recurrence and death does not increase dramatically after 5 years of adjuvant therapy stops. Expert commentary: Compliance ensures optimal benefit from extended antihormone adjuvant therapy...
April 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28274953/incidence-of-malignant-tumours-in-patients-with-a-non-functioning-pituitary-adenoma
#18
Daniel S Olsson, Casper Hammarstrand, Ing-Liss Bryngelsson, Anna G Nilsson, Eva Andersson, Gudmundur Johannsson, Oskar Ragnarsson
Whether patients with non-functioning pituitary adenoma (NFPA) are at increased risk of developing malignant tumours has been sparsely studied and is a matter of debate. In this study, we have investigated the incidence of malignant tumours in a large and unselected group of patients with NFPA. The study was nationwide and included all patients diagnosed with NFPA between 1987-2011 (n=2,795) in Sweden, identified in the National Patient Register. Malignant tumours, occurring after the NFPA diagnosis, were identified in the Swedish Cancer Register between 1987-2014...
March 8, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28249895/individualized-breast-cancer-characterization-through-single-cell-analysis-of-tumor-and-adjacent-normal-cells
#19
Manjushree Anjanappa, Angelo Cardoso, Lijun Cheng, Safa Mohamad, Andrea Gunawan, Susan Rice, Yan Dong, Lang Li, George E Sandusky, Edward F Srour, Harikrishna Nakshatri
There is a need to individualize assays for tumor molecular phenotyping, given variations in the differentiation status of tumor and normal tissues in different patients. To address this, we performed single-cell genomics of breast tumors and adjacent normal cells propagated for a short duration under growth conditions that enable epithelial reprogramming. Cells analyzed were either unselected for a specific subpopulation or phenotypically defined as undifferentiated and highly clonogenic ALDH(+)/CD49f(+)/EpCAM(+) luminal progenitors, which express both basal cell and luminal cell-enriched genes...
May 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28205193/new-therapeutic-strategies-for-triple-negative-breast-cancer
#20
REVIEW
Borbála Székely, Andrea L M Silber, Lajos Pusztai
Relatively few clinically important therapeutic advances have occurred in the treatment of triple-negative breast cancer (TNBC) since the introduction of taxanes as adjuvant therapy over 20 years ago. However, this is rapidly changing due to a variety of conceptually important clinical trials and emerging new options such as immune checkpoint inhibitors and antibody-drug conjugates. Evidence also increasingly supports that platinum drugs and inhibitors of poly (ADP-ribose) polymerase, or PARP, are particularly effective in the treatment of germline BRCA-mutant cancers, including TNBC...
February 15, 2017: Oncology (Williston Park, NY)
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