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Adjuvant chemotherapy and breast cancer

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https://www.readbyqxmd.com/read/28430348/adjuvant-and-neoadjuvant-chemotherapy-for-soft-tissue-sarcomas-a-personal-point-of-view
#1
Robert S Benjamin
Dr. Gianni Bonadonna is internationally recognized as one of the foremost medical oncologists of the 20th century. He is best known for his pioneering work in the development of adjuvant chemotherapy for breast cancer, but he was also the father of sarcoma chemotherapy. The first investigator to study the new chemotherapeutic agent adriamycin in the late 1960s, he noted activity against sarcomas. This article, focusing on adjuvant chemotherapy, adriamycin, and sarcomas, memorializes his achievements and their progeny...
April 7, 2017: Tumori
https://www.readbyqxmd.com/read/28428927/limitations-of-personalized-medicine-and-gene-assays-for-breast-cancer
#2
David Tiberi, Laura Masucci, Daniel Shedid, Isabelle Roy, Toni Vu, Erica Patocskai, André Robidoux, Philip Wong
Adjuvant systemic treatments reduce the risk of breast cancer recurrence following the local treatment of primary stage I-III breast cancers. For patients with hormone-positive breast cancers receiving hormonal therapy, the risk of distant recurrence is under 20% and therefore, many patients may potentially be spared of chemotherapy. Consequently, several molecular signatures based on gene expression were developed to better determine which breast cancer patients would benefit from chemotherapy. We present the case of a 62-year-old woman diagnosed with an early stage hormone receptor-positive breast cancer that was treated with a partial mastectomy...
March 17, 2017: Curēus
https://www.readbyqxmd.com/read/28424560/an-exploratory-study-of-host-polymorphisms-in-genes-that-clinically-characterize-breast-cancer-tumors-and-pretreatment-cognitive-performance-in-breast-cancer-survivors
#3
Theresa A Koleck, Catherine M Bender, Beth Z Clark, Christopher M Ryan, Puja Ghotkar, Adam Brufsky, Priscilla F McAuliffe, Priya Rastogi, Susan M Sereika, Yvette P Conley
PURPOSE: Inspired by the hypothesis that heterogeneity in the biology of breast cancers at the cellular level may account for cognitive dysfunction symptom variability in survivors, the current study explored relationships between host single-nucleotide polymorphisms (SNPs) in 25 breast cancer-related candidate genes (AURKA, BAG1, BCL2, BIRC5, CCNB1, CD68, CENPA, CMC2, CTSL2, DIAPH3, ERBB2, ESR1, GRB7, GSTM1, MELK, MKI67, MMP11, MYBL2, NDC80, ORC6, PGR, RACGAP1, RFC4, RRM2, and SCUBE2), identified from clinically relevant prognostic multigene-expression profiles for breast cancer, and pretreatment cognitive performance...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28424130/invasive-pleomorphic-lobular-histology-is-an-adverse-prognostic-factor-on-survival-in-patients-with-breast-cancer
#4
Suleyman Sahin, Fatih Karatas, Gokmen U Erdem, Bekir Hacioglu, Kadri Altundag
Invasive pleomorphic lobular carcinoma (IPLC) is defined to be an uncommon and different subtype of classical invasive lobular carcinoma (ILC). This special variant is characterized by significant cytological atypia and pleomorphism which differs from the cytological uniformity of ILC. IPLC has been shown to have some poor prognostic factors such as axillary node metastasis and higher histological grade which may lead to poor clinical courses including a short relapse time, increased risk of recurrence and a decreased survival...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28423537/limitations-in-predicting-pam50-intrinsic-subtype-and-risk-of-relapse-score-with-ki67-in-estrogen-receptor-positive-her2-negative-breast-cancer
#5
Aranzazu Fernandez-Martinez, Tomás Pascual, Giuseppe Perrone, Serafin Morales, Juan de la Haba, Milagros González-Rivera, Patricia Galván, Francesca Zalfa, Michela Amato, Lucia Gonzalez, Miquel Prats, Federico Rojo, Luis Manso, Laia Paré, Immaculada Alonso, Joan Albanell, Ana Vivancos, Antonio González, Judit Matito, Sonia González, Pedro Fernandez, Barbara Adamo, Montserrat Muñoz, Margarita Viladot, Carme Font, Francisco Aya, Maria Vidal, Rosalía Caballero, Eva Carrasco, Vittorio Altomare, Giuseppe Tonini, Aleix Prat, Miguel Martin
PAM50/Prosigna gene expression-based assay identifies three categorical risk of relapse groups (ROR-low, ROR-intermediate and ROR-high) in post-menopausal patients with estrogen receptor estrogen receptor-positive (ER+)/ HER2-negative (HER2-) early breast cancer. Low risk patients might not need adjuvant chemotherapy since their risk of distant relapse at 10-years is below 10% with endocrine therapy only. In this study, 517 consecutive patients with ER+/HER2- and node-negative disease were evaluated for Ki67 and Prosigna...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420722/low-tumor-mitochondrial-dna-content-is-associated-with-better-outcome-in-breast-cancer-patients-receiving-anthracycline-based-chemotherapy
#6
Marjolein J A Weerts, Antoinette Hollestelle, Anieta M Sieuwerts, John A Foekens, Stefan Sleijfer, John W M Martens
In this study, we aimed to explore whether low levels of mitochondrial DNA (mtDNA) content in the primary tumor could predict better outcome for breast cancer patients receiving anthracycline-based therapies. We hypothesized that tumor cells with low mtDNA content are more susceptible to mitochondrial damage induced by anthracyclines, and thus are more susceptible to anthracycline treatment.<br /><br />Experimental Design: We measured mtDNA content by a quantitative PCR approach in 295 primary breast tumor specimens originating from two well-defined cohorts: 174 lymph node-positive patients who received adjuvant chemotherapy and 121 patients with advanced disease who received chemotherapy as first-line palliative treatment...
April 18, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28419815/diagnostic-performance-of-and-breast-tissue-changes-at-early-breast-mr-imaging-surveillance-in-women-after-breast-conservation-therapy
#7
Eun Jeong Kim, Bong Joo Kang, Sung Hun Kim, In Kyung Youn, Ji Eun Baek, Hyun Sil Lee
Purpose To investigate the diagnostic performance and tissue changes in early (1 year or less) breast magnetic resonance (MR) imaging surveillance in women who underwent breast conservation therapy for breast cancer. Materials and Methods This prospective study was approved by the institutional review board, and written informed consent was obtained. Between April 2014 and June 2016, 414 women (mean age, 51.5 years; range, 21-81 years) who underwent 422 early surveillance breast MR imaging examinations (median, 6...
April 18, 2017: Radiology
https://www.readbyqxmd.com/read/28419141/ghrelin-is-a-prognostic-marker-and-a-potential-therapeutic-target-in-breast-cancer
#8
Malin Grönberg, Cecilia Ahlin, Ylva Naeser, Eva Tiensuu Janson, Lars Holmberg, Marie-Louise Fjällskog
Ghrelin and obestatin are gastrointestinal peptides, encoded by the same preproghrelin gene. Both are expressed in breast cancer tissue and ghrelin has been implicated in breast cancer tumorigenesis. Despite recent advances in breast cancer management the need for new prognostic markers and potential therapeutic targets in breast cancer remains high. We studied the prognostic impact of ghrelin and obestatin in women with node negative breast cancer. Within a cohort of women with breast cancer with tumor size ≤ 50 mm, no lymph node metastases and no initiation of adjuvant chemotherapy, 190 women were identified who died from breast cancer and randomly selected 190 women alive at the corresponding time as controls...
2017: PloS One
https://www.readbyqxmd.com/read/28418843/cd24-expression-and-differential-resistance-to-chemotherapy-in-triple-negative-breast-cancer
#9
Xinyu Deng, Sophia Apple, Hong Zhao, Jeongyoon Song, Minna Lee, William Luo, Xiancheng Wu, Debra Chung, Richard J Pietras, Helena R Chang
Breast cancer (BC) is a leading cause of cancer-related death in women. Adjuvant systemic chemotherapies are effective in reducing risks of recurrence and have contributed to reduced BC mortality. Although targeted adjuvant treatments determined by biomarkers for endocrine and HER2-directed therapies are largely successful, predicting clinical benefit from chemotherapy is more challenging. Drug resistance is a major reason for treatment failures. Efforts are ongoing to find biomarkers to select patients most likely to benefit from chemotherapy...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415828/melatonin-for-the-prevention-and-treatment-of-cancer
#10
REVIEW
Ya Li, Sha Li, Yue Zhou, Xiao Meng, Jiao-Jiao Zhang, Dong-Ping Xu, Hua-Bin Li
The epidemiological studies have indicated a possible oncostatic property of melatonin on different types of tumors. Besides, experimental studies have documented that melatonin could exert growth inhibition on some human tumor cells in vitro and in animal models. The underlying mechanisms include antioxidant activity, modulation of melatonin receptors MT1 and MT2, stimulation of apoptosis, regulation of pro-survival signaling and tumor metabolism, inhibition on angiogenesis, metastasis, and induction of epigenetic alteration...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415615/a-nation-wide-multicenter-10-year-1999-2008-retrospective-study-of-chemotherapy-in-chinese-breast-cancer-patients
#11
Qiao Li, Zhao Yang, Jinhu Fan, Jianjun He, Bin Zhang, Hongjian Yang, Xiaoming Xie, Zhonghua Tang, Hui Li, Youlin Qiao, Pin Zhang
Little information is available on the evolvement of chemotherapeutic regimens administered to Chinese females with breast cancer. We retrospectively analyzed demographic, pathological and chemotherapeutic data of 4211 breast cancer patients, who were randomly selected from representative hospitals of 7 traditional areas in China between 1999 and 2008. A total of 3271 cases (77.7%) received adjuvant chemotherapy, 558 (13.3%) received neoadjuvant chemotherapy, and 392 (9.3%) received chemotherapy for metastatic disease...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412359/potentiation-of-docetaxel-sensitivity-by-mir-638-via-regulation-of-stard10-pathway-in-human-breast-cancer-cells
#12
Ge Zhao, Ying Li, Ting Wang
Acquired resistance to classical chemotherapeutics such as docetaxel (DTX) remains a critical challenge in breast cancer (BCa) treatment. Epigenetic modification by microRNAs (miRNAs) has been shown to play a crucial role in cancer drug resistance. Previous study, using human drug-resistant BCa tissues, has identified miR-638 as one of the most down-regulated miRNAs, but its exact roles and underlying mechanisms during the pathogenesis of chemoresistance remain to be determined. In the current study, we found that miR-638 expression was significantly down-regulated in clinical DTX-resistant BCa tissues compared to that in DTX-sensitive BCa tissues...
April 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28411681/breast-pet-mr-imaging
#13
REVIEW
Amy Melsaether, Linda Moy
Breast and whole-body PET/MR imaging is being used to detect local and metastatic disease and is being investigated for potential imaging biomarkers, which may eventually help personalize treatments and prognoses. This article provides an overview of breast and whole-body PET/MR exam techniques, summarizes PET and MR breast imaging for lesion detection, outlines investigations into multi-parametric breast PET/MR, looks at breast PET/MR in the setting of neo-adjuvant chemotherapy, and reviews the pros and cons of whole-body PET/MR in the setting of metastatic or suspected metastatic breast cancer...
May 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28411447/making-progress-in-early-breast-cancer-taking-time-or-accepting-risk
#14
Gurdeep S Mannu, David Dodwell
Outcomes for patients diagnosed with early breast cancer in developed countries have improved substantially over recent decades. Adjuvant therapies have contributed to this improvement and their benefits have been confirmed in large randomised controlled trials (RCTs) and meta-analyses. Lower event rates, whilst welcome, have created problems for RCTs, that need to be larger and often take longer to provide a reliable result. In an effort to maintain the rate of progress and to obviate the complexity, cost and time required to conduct large RCTs, there has been an increased tendency to rely on observational data to determine a treatment effect and also to accelerate progress by the use of a surrogate marker (pathological complete remission after neoadjuvant chemotherapy)...
April 12, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28408800/rutin-protects-against-neuronal-damage-in-vitro-and-ameliorates-doxorubicin-induced-memory-deficits-in-vivo-in-wistar-rats
#15
Grandhi Venkata Ramalingayya, Sri Pragnya Cheruku, Pawan G Nayak, Anoop Kishore, Rekha Shenoy, Chamallamudi Mallikarjuna Rao, Nandakumar Krishnadas
Doxorubicin (DOX) is the most widely used broad-spectrum anticancer agent, either alone or in combination, for most cancers including breast cancer. Long-term use of chemotherapeutic agents to treat breast cancer patients results in cognitive complications with a negative impact on survivors' quality of life. The study objective was to evaluate rutin (RUT) for its neuroprotective effect against DOX in human neuroblastoma (IMR32) cells in vitro and study its potential to ameliorate DOX-induced cognitive dysfunction in Wistar rats...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28407750/adjuvant-treatment-recommendations-for-patients-with-er-positive-her2-negative-early-breast-cancer-by-swiss-tumor-boards-using-the-21-gene-recurrence-score-sakk-26-10
#16
Bernhard C Pestalozzi, Christoph Tausch, Konstantin J Dedes, Christoph Rochlitz, Stefan Zimmermann, Roger von Moos, Ralph Winterhalder, Thomas Ruhstaller, Andreas Mueller, Katharina Buser, Markus Borner, Urban Novak, Catrina Uhlmann Nussbaum, Bettina Seifert, Martin Bigler, Vincent Bize, Simona Berardi Vilei, Christoph Rageth, Stefan Aebi
BACKGROUND: To evaluate the effect of Recurrence Score® results (RS; Oncotype DX® multigene assay ODX) on treatment recommendations by Swiss multidisciplinary tumor boards (TB). METHODS: SAKK 26/10 is a multicenter, prospective cohort study of early breast cancer patients: Eligibility: R0-resection, ≥10% ER+ malignant cells, HER2-, pN0/pN1a. Patients were stratified into low-risk (LR) and non-low-risk (NLR) groups based on involved nodes (0 vs 1-3) and five additional predefined risk factors...
April 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28405845/anxiety-after-completion-of-treatment-for-early-stage-breast-cancer-a-systematic-review-to-identify-candidate-predictors-and-evaluate-multivariable-model-development
#17
REVIEW
Jenny Harris, Victoria Cornelius, Emma Ream, Katy Cheevers, Jo Armes
PURPOSE: The purpose of this review was to identify potential candidate predictors of anxiety in women with early-stage breast cancer (BC) after adjuvant treatments and evaluate methodological development of existing multivariable models to inform the future development of a predictive risk stratification model (PRSM). METHODS: Databases (MEDLINE, Web of Science, CINAHL, CENTRAL and PsycINFO) were searched from inception to November 2015. Eligible studies were prospective, recruited women with stage 0-3 BC, used a validated anxiety outcome ≥3 months post-treatment completion and used multivariable prediction models...
April 12, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28405497/results-of-a-phase-i-ii-study-of-adjuvant-concurrent-carboplatin-and-accelerated-radiotherapy-for-triple-negative-breast-cancer
#18
Silvia C Formenti, Encouse B Golden, Judith D Goldberg, Xiaochun Li, Jessica Taff, Maria B Fenton-Kerimian, Sharanya Chandrasekhar, Sandra Demaria, Yelena Novik
Purpose: To determine feasibility and explore the clinical efficacy of concurrent radiotherapy and carboplatin as adjuvant treatment of triple negative breast cancer (TNBC). Patients and Methods: Women with Stage I-II TNBC were treated after surgery in a phase I-II prospective trial [NCT01289353]. Weekly carboplatin (AUC = 2.0) was delivered for 6 weeks. Concurrent radiotherapy was delivered in the prone position during weeks 2-4, for a total dose of 40.5 Gy in 15 fractions to the breast, and 46.5 Gy in 17 fractions to the tumor bed...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28401821/-70-gene-signature-as-an-aid-to-treatment-decisions-in-early-stage-breast-cancer
#19
J J M van der Hoeven
OBJECTIVE: The 70-gene signature test (MammaPrint) has been shown to improve prediction of clinical outcome in women with early-stage breast cancer. We sought to provide prospective evidence of the clinical utility of the addition of the 70-gene signature to standard clinical-pathological criteria in selecting patients for adjuvant chemotherapy. METHODS: In this randomized, phase 3 study, we enrolled 6693 women with early-stage breast cancer and determined their genomic risk (using the 70-gene signature) and their clinical risk (using a modified version of Adjuvant! Online)...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28401819/-a-plea-for-selective-use-of-the-mammaprint-test
#20
M de Boer, A C Voogd, V C G Tjan-Heijnen
Recently, the results of the MINDACT study were published in The New England Journal of Medicine. The authors conclude that the MammaPrint test can prevent the use of chemotherapy in about 50% of breast cancer patients with a high-risk clinical profile because of the presence of a genomic low risk MammaPrint. We believe that the decision to use chemotherapy should not be based solely on the outcome of the MammaPrint test, as is suggested by the authors, but also on clinical factors, such as tumour size, nodal status and grade...
2017: Nederlands Tijdschrift Voor Geneeskunde
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