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https://www.readbyqxmd.com/read/28888915/a-case-report-of-locally-advanced-triple-negative-breast-cancer-showing-pathological-complete-response-to-weekly-paclitaxel-with-bevacizumab-treatment-following-disease-progression-during-anthracycline-based-neoadjuvant-chemotherapy
#1
Hideo Shigematsu, Shinji Ozaki, Daisuke Yasui, Taizo Hirata
INTRODUCTION: Neoadjuvant chemotherapy (NAC) is the standard of care for locally advanced triple negative breast cancer, however, approximately 5% of cases show disease progression during NAC. Although downstaging is essential to create an opportunity for curative surgery and to improve the local control outcome in such a case, no additional line of chemotherapy has been established. CASE PRESENTATION: A 60-year-old woman was referred to our hospital for an axillary mass presenting three weeks ago and was diagnosed as having right locally advanced (T2N2M0, stage IIIA) triple negative breast cancer...
September 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28869790/evaluating-the-role-of-magnetic-resonance-imaging-post-neoadjuvant-therapy-for-breast-cancer-in-the-neonab-trial
#2
Caitlin Murphy, Violet Mukaro, Robert Tobler, Rebecca Asher, Emma Gibbs, Linda West, Bruno Giuffre, Sally Baron-Hay, Mustafa Khasraw
BACKGROUND: Magnetic Resonance Imaging (MRI) accuracy after neoadjuvant systemic therapy (NST) for breast cancer varies according to hormone receptor (HR), human epidermal growth factor receptor type-2 (HER2) subtype and Ki67 proliferation index. Whether MRI accuracy varies by genomic signatures is unknown. We examined accuracy of MRI in the NEONAB trial (Clinicaltrials.gov #: NCT01830244). METHODS: Patients with stage II-III breast cancer received sequential epirubicin, cyclophosphamide and nab-paclitaxel and trastuzumab if HER2+...
September 4, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28802053/gene-panel-testing-of-breast-and-ovarian-cancer-patients-identifies-a-recurrent-rad51c-duplication
#3
Liisa M Pelttari, Hermela Shimelis, Heidi Toiminen, Anders Kvist, Therese Törngren, Åke Borg, Carl Blomqvist, Ralf Bützow, Fergus Couch, Kristiina Aittomäki, Heli Nevanlinna
Gene-panel sequencing allows comprehensive analysis of multiple genes simultaneously and is now routinely used in clinical mutation testing of high-risk breast and ovarian cancer patients. However, only BRCA1 and BRCA2 are often analyzed also for large genomic changes. Here, we have analyzed 10 clinically relevant susceptibility genes in 95 breast or ovarian cancer patients with gene-panel sequencing including also CNV analysis for genomic changes. We identified 12 different pathogenic BRCA1, BRCA2, TP53, PTEN, CHEK2, or RAD51C mutations in 18/95 patients (19%)...
August 12, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28782087/germline-brca-mutations-in-asian-patients-with-pancreatic-adenocarcinoma-a-prospective-study-evaluating-risk-category-for-genetic-testing
#4
Kyoungmin Lee, Changhoon Yoo, Kyu-Pyo Kim, Kyoung-Jin Park, Heung-Moon Chang, Tae Won Kim, Jae-Lyun Lee, Woochang Lee, Sang Soo Lee, Do Hyun Park, Tae Jun Song, Dong Wan Seo, Sung Koo Lee, Myung-Hwan Kim, Sang Hyun Shin, Dae Wook Hwang, Ki Byung Song, Jae Hoon Lee, Song Cheol Kim, Baek-Yeol Ryoo
Introduction Germline BRCA mutations may have therapeutic implications as surrogate markers of DNA-damage repair status in pancreatic ductal adenocarcinoma (PDAC). We performed a prospective study to evaluate the efficiency of risk criteria based on personal or family history of breast and ovarian cancer for determining germline BRCA mutations in PDAC patients with Asian ethnicity. Methods Between November 2015 and May 2016, we screened consecutive PDAC patients with locally advanced unresectable or metastatic disease who were referred for systemic chemotherapy...
August 7, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28738860/germline-emsy-sequence-alterations-in-hereditary-breast-cancer-and-ovarian-cancer-families
#5
Kirsi M Määttä, Riikka Nurminen, Minna Kankuri-Tammilehto, Anne Kallioniemi, Satu-Leena Laasanen, Johanna Schleutker
BACKGROUND: BRCA1 and BRCA2 mutations explain approximately one-fifth of the inherited susceptibility in high-risk Finnish hereditary breast and ovarian cancer (HBOC) families. EMSY is located in the breast cancer-associated chromosomal region 11q13. The EMSY gene encodes a BRCA2-interacting protein that has been implicated in DNA damage repair and genomic instability. We analysed the role of germline EMSY variation in breast/ovarian cancer predisposition. The present study describes the first EMSY screening in patients with high familial risk for this disease...
July 24, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28724667/germline-mutations-in-cancer-susceptibility-genes-in-a-large-series-of-unselected-breast-cancer-patients
#6
Jie Sun, Hua Meng, Lu Yao, Meng Lv, Jian Bai, Jianguang Zhang, Lientu Wang, Tao Ouyang, Jinfeng Li, Tianfeng Wang, Zhaoqing Fan, Tie Fan, Benyao Lin, Yuntao Xie
PURPOSE: The prevalence of mutations in cancer susceptibility genes such as BRCA1 and BRCA2 and other cancer susceptibility genes and their clinical relevance are largely unknown among a large series of unselected breast cancer patients in Chinese population. <p> </p> <p>METHODS: A total of 8085 consecutive unselected Chinese breast cancer patients were enrolled. Germline mutations in 46 cancer susceptibility genes were detected using a 62-gene panel.</p> <p> </p> <p>RESULTS: Pathogenic mutations were identified in 9...
July 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28721639/erratum-to-frequency-of-germline-dna-genetic-findings-in-an-unselected-prospective-cohort-of-triple-negative-breast-cancer-patients-participating-in-a-platinum-based-neoadjuvant-chemotherapy-trial
#7
Milagros González-Rivera, Miriam Lobo, Sara López-Tarruella, Yolanda Jerez, María Del Monte-Millán, Tatiana Massarrah, Rocío Ramos-Medina, Inmaculada Ocaña, Antoni Picornell, Sonia Santillán Garzón, Lucía Pérez-Carbornero, José A García-Saenz, Henry Gómez, Fernando Moreno, Iván Márquez-Rodas, Hugo Fuentes, Miguel Martin
No abstract text is available yet for this article.
July 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28702895/fancm-mutation-c-5791c-t-is-a-risk-factor-for-triple-negative-breast-cancer-in-the-finnish-population
#8
Johanna I Kiiski, Anna Tervasmäki, Liisa M Pelttari, Sofia Khan, Tuomo Mantere, Katri Pylkäs, Arto Mannermaa, Maria Tengström, Anders Kvist, Åke Borg, Veli-Matti Kosma, Anne Kallioniemi, Johanna Schleutker, Ralf Bützow, Carl Blomqvist, Kristiina Aittomäki, Robert Winqvist, Heli Nevanlinna
PURPOSE: The FANCM c.5101C>T nonsense mutation was previously found to associate with breast cancer in the Finnish population, especially among triple-negative cases. Here, we studied the prevalence of three other FANCM variants: c.5791C>T, which has been reported to predispose to familial breast cancer, and the c.4025_4026delCT and c.5293dupA variants recently identified in Finnish cancer patients. METHODS: We genotyped the FANCM c.5791C>T mutation in 4806 invasive breast cancer patients, including BRCA1/2 mutation negative familial cases and unselected cases, and in 2734 healthy population controls from four different geographical areas of Finland...
July 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28685212/prognostic-impact-of-the-inclusion-of-upa-pai-1-for-adjuvant-treatment-decision-making-in-er-her2-pn0-early-breast-cancers
#9
Marie Viala, Marie Alexandre, Simon Thezenas, Pierre-Jean Lamy, Aurélie Maran-Gonzalez, Marian Gutowski, Pierre-Emmanuel Colombo, Gilles Romieu, William Jacot, Severine Guiu
PURPOSE: Intermediate-risk early breast cancer (EBC) is a heterogeneous group in which adjuvant chemotherapy decision proves to be difficult. Clinical and pathological criteria are sometimes insufficient to determine the best therapeutic options, and validated biomarkers such as uPA/PAI-1, are needed to contribute to the decision-making. The objective of this study was to evaluate the clinical outcome of an unselected ER+/HER2- pN0 EBC cohort of patients in whom the routine clinical decision process included a prospective uPA/PAI-1 determination...
July 6, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28680148/prevalence-and-penetrance-of-brca1-and-brca2-germline-mutations-in-colombian-breast-cancer-patients
#10
D Torres, J Lorenzo Bermejo, M U Rashid, I Briceño, F Gil, A Beltran, V Ariza, U Hamann
Pathogenic BRCA1/2 germline mutations confer high risks of breast and ovarian cancer to women of European ancestry. Characterization of BRCA1/2 mutations in other ethnic groups is also medically important. We comprehensively screened 68 Colombian breast/ovarian cancer families for small-range mutations, 221 families for large-genomic rearrangements, and 1,022 unselected breast cancer cases for Colombian founder mutations in BRCA1/2. The risk of cancer among relatives of mutation carriers and the mutation penetrance were estimated by survival analysis...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28664506/prevalence-and-spectrum-of-germline-rare-variants-in-brca1-2-and-palb2-among-breast-cancer-cases-in-sarawak-malaysia
#11
Xiaohong R Yang, Beena C R Devi, Hyuna Sung, Jennifer Guida, Eliseos J Mucaki, Yanzi Xiao, Ana Best, Lisa Garland, Yi Xie, Nan Hu, Maria Rodriguez-Herrera, Chaoyu Wang, Kristine Jones, Wen Luo, Belynda Hicks, Tieng Swee Tang, Karobi Moitra, Peter K Rogan, Michael Dean
PURPOSE: To characterize the spectrum of germline mutations in BRCA1, BRCA2, and PALB2 in population-based unselected breast cancer cases in an Asian population. METHODS: Germline DNA from 467 breast cancer patients in Sarawak General Hospital, Malaysia, where 93% of the breast cancer patients in Sarawak are treated, was sequenced for the entire coding region of BRCA1; BRCA2; PALB2; Exons 6, 7, and 8 of TP53; and Exons 7 and 8 of PTEN. Pathogenic variants included known pathogenic variants in ClinVar, loss of function variants, and variants that disrupt splice site...
June 29, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28664449/analysis-of-brca1-2-mutation-spectrum-and-prevalence-in-unselected-chinese-breast-cancer-patients-by-next-generation-sequencing
#12
Guoli Li, Xinwu Guo, Lili Tang, Ming Chen, Xipeng Luo, Limin Peng, Xunxun Xu, Shouman Wang, Zhi Xiao, Wenjun Yi, Lizhong Dai, Jun Wang
PURPOSE: BRCA1 and BRCA2 (BRCA1/2) are two major high-penetrance breast cancer predisposition genes, mutations in which can lead to high risks and early onset of breast cancer. This study was performed to comprehensively investigate the spectrum and prevalence of BRCA1/2 mutations in unselected Chinese breast cancer patients and evaluate the associations of BRCA1/2 mutations with related clinicopathological characteristics of the tumors. METHODS: By integrating microfluidic PCR-based target enrichment and next-generation sequencing, paired tumor and normal tissues from 313 unselected breast cancer patients were analyzed for both germline and somatic mutations of BRCA1/2 genes in Chinese Han population...
June 29, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28643430/platinum-containing-regimens-for-metastatic-breast-cancer
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
REVIEW
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...
September 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
#20
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
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