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https://www.readbyqxmd.com/read/28938748/random-start-ovarian-stimulation-for-fertility-preservation-appears-unlikely-to-delay-initiation-of-neoadjuvant-chemotherapy-for-breast-cancer
#1
Joseph M Letourneau, Nikita Sinha, Kaitlyn Wald, Eve Harris, Molly Quinn, Tal Imbar, Evelyn Mok-Lin, A Jo Chien, Mitchell Rosen
STUDY QUESTION: Is random start ovarian stimulation associated with delays in initiation of neoadjuvant chemotherapy for breast cancer? SUMMARY ANSWER: Among women who complete fertility preservation (FP) consultation, random start ovarian stimulation is unlikely to delay time to initiation of neoadjuvant chemotherapy start. WHAT IS KNOWN ALREADY: Neoadjuvant chemotherapy is now a widely accepted treatment modality for operable breast cancer and random start ovarian stimulation is an increasingly-utilized modality for FP...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938684/efficacy-and-safety-of-everolimus-in-chinese-metastatic-hr-positive-her2-negative-breast-cancer-patients-a-real-world-retrospective-study
#2
Chengcheng Gong, Yannan Zhao, Biyun Wang, Xichun Hu, Zhonghua Wang, Jian Zhang, Sheng Zhang
BACKGROUND: Everolimus combined with endocrine therapy has been proved to be effective among postmenopausal women with hormone receptor-positive human epidermal growth factor receptor-2 negative (HR+/HER2-) metastatic breast cancer (MBC). We aimed to evaluate the efficacy and safety of everolimus plus endocrine therapy in Chinese real-world practice for the first time, and investigate factors associated with efficacy. METHODS: Seventy-five HR+/HER2- MBC patients were included in this retrospective study who received everolimus plus endocrine therapy after progression on prior endocrine therapy in Fudan University Shanghai Cancer Center (FUSCC) between June 2013 and February 2016...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28934992/breast-cancer-metastases-to-the-thyroid-gland-an-uncommon-sentinel-for-diffuse-metastatic-disease-a-case-report-and-review-of-the-literature
#3
Agata M Plonczak, Aimee N DiMarco, Roberto Dina, Dorothy J Gujral, Fausto F Palazzo
BACKGROUND: Metastases to the thyroid are rare. The most common primary cancer to metastasize to the thyroid is renal cell carcinoma, followed by malignancies of the gastrointestinal tract, lungs, and skin, with breast cancer metastases to the thyroid being rare. Overall, the outcomes in malignancies that have metastasized to the thyroid are poor. There are no prospective studies addressing the role of surgery in metastatic disease of the thyroid. Isolated thyroidectomy has been proposed as a local disease control option to palliate and prevent the potential morbidity of tumor extension related to the airway...
September 22, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28932647/immunotherapy-with-listeria-reduces-metastatic-breast-cancer-in-young-and-old-mice-through-different-mechanisms
#4
Arthee Jahangir, Dinesh Chandra, Wilber Quispe-Tintaya, Manisha Singh, Benson Chellakkan Selvanesan, Claudia Gravekamp
Cancer immunotherapy is one of the most promising and benign therapies against metastatic cancer. However, most cancer patients are old and elderly react less efficient to cancer vaccines than young adults, due to T cell unresponsiveness. Here we present data of cancer vaccination in young and old mice with metastatic breast cancer (4T1 model). We tested adaptive and innate immune responses to foreign antigens (Listeria-derived) and self-antigens (tumor-associated antigens (TAA)) and their contribution to elimination of metastases at young and old age...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28931213/a-review-on-the-efficacy-and-toxicity-of-different-doxorubicin-nanoparticles-for-targeted-therapy-in-metastatic-breast-cancer
#5
REVIEW
Ayman Shafei, Wesam El-Bakly, Ahmed Sobhy, Omar Wagdy, Ahmed Reda, Omar Aboelenin, Amr Marzouk, Khalil El Habak, Randa Mostafa, Mahmoud A Ali, Mahmoud Ellithy
In metastatic breast cancer (MBC), the conventional doxorubicin (DOX) has various problems due to lack of selectivity with subsequent therapeutic failure and adverse effects. DOX- induced cardiotoxicity is a major problem that necessitates the presence of new forms to decrease the risk of associated morbidity. Nanoparticles (NPs) are considered an important approach to selectively increase drug accumulation inside tumor cells and thus decreasing the associated side effects. Tumor cells develop resistance to chemotherapeutic agents through multiple mechanisms, one of which is over expression of efflux transporters...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28929372/clinical-equivalence-with-g-csf-biosimilars-methodologic-approach-in-a-neo-adjuvant-setting-in-non-metastatic-breast-cancer
#6
REVIEW
A Krendyukov, M Schiestl, N Höbel, M Aapro
Biosimilars are biological medicines that have been shown to be similar to a reference biological medicine that has already been approved for use. Development of biosimilars is based on a "totality of evidence" approach that involves a series of steps by which biosimilars must demonstrate similarity to a reference product in all aspects of the drug and eliminate any remaining uncertainties. Clinical studies are then considered confirmatory and are performed to show that there are no clinically meaningful differences compared with the reference product in a sensitive patient population...
September 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28926525/effect-of-a-mentor-based-supportive-expressive-program-be-resilient-to-breast-cancer-on-survival-in-metastatic-breast-cancer-a-randomised-controlled-intervention-trial
#7
Zeng Jie Ye, Hong Zhong Qiu, Mu Zi Liang, Mei Ling Liu, Peng Fei Li, Peng Chen, Zhe Sun, Yuan Liang Yu, Shu Ni Wang, Zhang Zhang, Kun Lun Liao, Cai Fen Peng, Hui Huang, Guang Yun Hu, Yun Fei Zhu, Zhen Zeng, Qu Hu, Jing Jing Zhao
BACKGROUND: Because of medical advances, metastatic breast cancer (MBC) is now viewed as a chronic disease, rather than an imminent death sentence. Helping women live with this disease requires more than a medical approach to symptoms. Thus, a mentor-based and supportive-expressive program 'Be Resilient to Breast Cancer' (BRBC) was designed to help Chinese women with MBC enhance their resilience levels, biopsychosocial functions, and potentially extend their life span. METHODS: A total of 226 women with MBC were randomly assigned, in a 1 : 1 ratio, to an intervention group (IG) that participated in BRBC or to a control group (CG) that received no intervention...
September 19, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28924522/estradiol-as-a-targeted-late-line-therapy-in-metastatic-breast-cancer-with-estrogen-receptor-amplification
#8
Karthik Kota, Adam Brufsky, Steffi Oesterreich, Adrian Lee
Estradiol is a major regulator of growth for the subset of breast cancers that express the estrogen receptor (ER, ESR1). Strategies to block ER action, via reduction of estradiol or direct inhibition of ER, have shown major success in the prevention and treatment of breast cancer. However, most ER-positive (ER+) metastatic breast cancers (MBC) eventually become resistant to these interventions. Interestingly, high dose estrogen can induce apoptosis in breast cancer cell lines, and high-dose estrogen has been used for over 50 years as therapy for ER+ breast cancer...
July 6, 2017: Curēus
https://www.readbyqxmd.com/read/28924517/breast-cancer-metastases-to-the-gastrointestinal-tract-presenting-with-anemia-and-intra-abdominal-bleed
#9
Idrees Khan, Rehan Malik, Amina Khan, Salman Assad, Mehr Zahid, Muhammad Saad Sohail, Faizan Yasin, Ahmed H Qavi
Signet ring adenocarcinoma of the breast with synchronous metastasis to the gastrointestinal (GI) tract is a rare occurrence, typically presenting with abdominal pain, dyspepsia, or GI bleed. We report a case of metastatic breast cancer presenting with a complaint of anemia. A further diagnostic evaluation revealed generalized lymphadenopathy, nodular thickening of the urinary bladder wall, bone lesions, and enlarged pancreas. Biopsies from the lymph nodes, pancreatic biopsy, and bladder nodule all revealed a signet cell carcinoma...
July 6, 2017: Curēus
https://www.readbyqxmd.com/read/28923958/multiscale-characterization-of-the-mineral-phase-at-skeletal-sites-of-breast-cancer-metastasis
#10
Frank He, Aaron E Chiou, Hyun Chae Loh, Maureen Lynch, Bo Ri Seo, Young Hye Song, Min Joon Lee, Rebecca Hoerth, Emely L Bortel, Bettina M Willie, Georg N Duda, Lara A Estroff, Admir Masic, Wolfgang Wagermaier, Peter Fratzl, Claudia Fischbach
Skeletal metastases, the leading cause of death in advanced breast cancer patients, depend on tumor cell interactions with the mineralized bone extracellular matrix. Bone mineral is largely composed of hydroxyapatite (HA) nanocrystals with physicochemical properties that vary significantly by anatomical location, age, and pathology. However, it remains unclear whether bone regions typically targeted by metastatic breast cancer feature distinct HA materials properties. Here we combined high-resolution X-ray scattering analysis with large-area Raman imaging, backscattered electron microscopy, histopathology, and microcomputed tomography to characterize HA in mouse models of advanced breast cancer in relevant skeletal locations...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28920496/spin-rapid-synthesis-purification-and-concentration-of-small-drug-loaded-liposomes
#11
Steven A Roberts, Neil Parikh, Ryan J Blower, Nitin Agrawal
Liposomes are one of the most studied nano-delivery systems. However, only a handful of formulations have received FDA approval. Existing liposome synthesis techniques are complex and specialized, posing a major impediment in design, implementation, and mass production of liposome delivery systems as therapeutic agents. Here, we demonstrate a unique 'synthesis and purification of injectable nanocarriers' (SPIN) technology for rapid and efficient production of small drug loaded liposomes using common benchtop equipment...
September 18, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28915642/a-retrospective-multicentric-observational-study-of-trastuzumab-emtansine-in-her2-positive-metastatic-breast-cancer-a-real-world-experience
#12
Patrizia Vici, Laura Pizzuti, Andrea Michelotti, Isabella Sperduti, Clara Natoli, Lucia Mentuccia, Luigi Di Lauro, Domenico Sergi, Paolo Marchetti, Daniele Santini, Emanuela Magnolfi, Laura Iezzi, Luca Moscetti, Agnese Fabbri, Alessandra Cassano, Antonino Grassadonia, Claudia Omarini, Federico Piacentini, Andrea Botticelli, Ilaria Bertolini, Angelo Fedele Scinto, Germano Zampa, Maria Mauri, Loretta D'Onofrio, Valentina Sini, Maddalena Barba, Marcello Maugeri-Saccà, Ernesto Rossi, Elisabetta Landucci, Silverio Tomao, Antonio Maria Alberti, Francesco Giotta, Corrado Ficorella, Vincenzo Adamo, Antonio Russo, Vito Lorusso, Katia Cannita, Sandro Barni, Lucio Laudadio, Filippo Greco, Ornella Garrone, Marina Della Giulia, Paolo Marolla, Giuseppe Sanguineti, Barbara Di Cocco, Gennaro Ciliberto, Ruggero De Maria, Teresa Gamucci
We addressed trastuzumab emtansine (T-DM1) efficacy in HER2+ metastatic breast cancer patients treated in real-world practice, and its activity in pertuzumab-pretreated patients. We conducted a retrospective, observational study involving 23 cancer centres, and 250 patients. Survival data were analyzed by Kaplan Meier curves and log rank test. Factors testing significant in univariate analysis were tested in multivariate models. Median follow-up was 15 months and median T-DM1 treatment-length 4 months. Response rate was 41...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915604/overexpression-of-a-functional-calcium-sensing-receptor-dramatically-increases-osteolytic-potential-of-mda-mb-231-cells-in-a-mouse-model-of-bone-metastasis-through-epiregulin-mediated-osteoprotegerin-downregulation
#13
Cédric Boudot, Lucie Hénaut, Ursula Thiem, Sandra Geraci, Mariangela Galante, Paulo Saldanha, Zuzana Saidak, Isabelle Six, Philippe Clézardin, Said Kamel, Romuald Mentaverri
INTRODUCTION AND AIMS: Osteolytic bone metastases are observed in advanced cases of breast cancer. In vitro data suggest that the activity of the calcium-sensing receptor (CaSR) expressed by metastatic cells could potentiate their osteolytic potential. This study aimed to demonstrate in vivo the involvement of the CaSR in breast cancer cells osteolytic potential and to identify potential targets linked to CaSR activity. METHODS AND RESULTS: MDA-MB-231 stably transfected with plasmids containing either a full-length wild-type CaSR (CaSR-WT), or a functionally inactive dominant negative mutant (CaSR-DN) or an empty vector (EV) were intratibially injected into Balb/c-Nude mice...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28913760/impact-of-histopathology-tumor-infiltrating-lymphocytes-and-adjuvant-chemotherapy-on-prognosis-of-triple-negative-breast-cancer
#14
Roberto A Leon-Ferre, Mei-Yin Polley, Heshan Liu, Judith A Gilbert, Victoria Cafourek, David W Hillman, Ahmed Elkhanany, Margaret Akinhanmi, Jenna Lilyquist, Abigail Thomas, Vivian Negron, Judy C Boughey, Minetta C Liu, James N Ingle, Krishna R Kalari, Fergus J Couch, Daniel W Visscher, Matthew P Goetz
BACKGROUND: Given its high recurrence risk, guidelines recommend systemic therapy for most patients with early-stage triple-negative breast cancer (TNBC). While some clinicopathologic factors and tumor-infiltrating lymphocytes (TILs) are known to be prognostic in patients receiving chemotherapy, their prognostic implications in systemically untreated patients remain unknown. METHODS: From a cohort of 9982 women with surgically treated non-metastatic breast cancer, all patients with clinically reported ER-negative/borderline (≤10%) disease were selected for central assessment of ER/PR/HER2, histopathology, Ki-67, and TILs...
September 14, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28912144/androgen-and-estrogen-receptor-imaging-in-metastatic-breast-cancer-patients-as-a-surrogate-for-tissue-biopsies
#15
Clasina M Venema, Lemonitsa H Mammatas, Carolina P Schröder, Michel van Kruchten, Giulia Apollonio, Andor W J M Glaudemans, A H H Bongaerts, Otto S Hoekstra, Henk M W Verheul, Epie Boven, Bert van der Vegt, Erik F de Vries, Elisabeth G E de Vries, Ronald Boellaard, Catharina Willemien Menke-van der Houven van Oordt, Geke Ap Hospers
In addition to the well-known estrogen receptor (ER) and the human epidermal growth factor receptor 2 (HER2), the androgen receptor (AR) is also a potential drug target in breast cancer treatment. Whole body imaging can provide information across lesions within a patient. ER expression in tumor lesions can be visualized by (18)F-fluoroestradiol (FES) PET, and AR expression has been visualized in prostate cancer patients with (18)F-fluorodihydrotestosterone (FDHT) PET. Our aim was to assess the concordance between FDHT- and FES-PET and tumor AR- and ER-expression measured immunohistochemically (IHC) in patients with metastatic breast cancer...
September 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28912116/reliability-of-an-e-pro-tool-of-eortc-qlq-c30-for-measurement-of-health-related-quality-of-life-in-patients-with-breast-cancer-prospective-randomized-trial
#16
Markus Wallwiener, Lina Matthies, Elisabeth Simoes, Lucia Keilmann, Andreas D Hartkopf, Alexander N Sokolov, Christina B Walter, Nina Sickenberger, Stephanie Wallwiener, Manuel Feisst, Paul Gass, Peter A Fasching, Michael P Lux, Diethelm Wallwiener, Florin-Andrei Taran, Joachim Rom, Andreas Schneeweiss, Joachim Graf, Sara Y Brucker
BACKGROUND: Breast cancer represents the most common malignant disease in women worldwide. As currently systematic palliative treatment only has a limited effect on survival rates, the concept of health-related quality of life (HRQoL) is gaining more and more importance in the therapy setting of metastatic breast cancer. One of the major patient-reported outcomes (PROs) for measuring HRQoL in patients with breast cancer is provided by the European Organization for Research and Treatment of Cancer (EORTC)...
September 14, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28905808/patient-with-metastatic-breast-cancer-presenting-as-acute-cholecystitis-with-one-year-survival-on-hormonotherapy
#17
Mateusz Zamkowski, Michał Kąkol, Wojciech Makarewicz, Jerzy Ropel, Maciej Bobowicz
Breast cancer has high metastatic potential with distant metastases involving mainly lungs, liver and bones. Less frequently it gives distant spread to other organs. Herein we would like to present a very rare case of an acute cholecystitis which turned out to be a metastatic breast cancer in previously healthy woman. A female patient, 64-years old, presented to the emergency department with symptoms of biliary colic and acute abdomen. During the emergency cholecystectomy, we diagnosed the gallbladder empyema with thickened wall...
August 31, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28905136/highly-sensitive-detection-of-esr1-mutations-in-cell-free-dna-from-patients-with-metastatic-breast-cancer-using-molecular-barcode-sequencing
#18
Nanae Masunaga, Naofumi Kagara, Daisuke Motooka, Shota Nakamura, Tomohiro Miyake, Tomonori Tanei, Yasuto Naoi, Masafumi Shimoda, Kenzo Shimazu, Seung Jin Kim, Shinzaburo Noguchi
PURPOSE: We aimed to develop a highly sensitive method to detect ESR1 mutations in cell-free DNA (cfDNA) using next-generation sequencing with molecular barcode (MB-NGS) targeting the hotspot segment (c.1600-1713). METHODS: The sensitivity of MB-NGS was tested using serially diluted ESR1 mutant DNA and then cfDNA samples from 34 patients with metastatic breast cancer were analyzed with MB-NGS. The results of MB-NGS were validated in comparison with conventional NGS and droplet digital PCR (ddPCR)...
September 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28904441/everolimus-associated-acute-kidney-injury-in-patients-with-metastatic-breast-cancer
#19
A Chandra, N S Rao, K P Malhotra, M Rastogi, R Khurana
Recently, everolimus (Evl) has been introduced in the management of hormone receptor-positive metastatic breast cancer, in combination with aromatase inhibitors. Evl-induced acute kidney injury has hitherto been described in other malignancies, especially renal cell cancer, but only once before in a patient with breast cancer. We describe two cases of Evl-associated nephrotoxicity in patients with breast cancer, one of whom underwent a renal biopsy showing acute tubular necrosis. Both our patients improved after withdrawal of the offending agent and have normal renal functions on follow-up...
September 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28903185/mixed-micelles-for-encapsulation-of-doxorubicin-with-enhanced-in-vitro-cytotoxicity-on-breast-and-ovarian-cancer-cell-lines-versus-doxil-%C3%A2
#20
Maximiliano Cagel, Ezequiel Bernabeu, Lorena Gonzalez, Eduardo Lagomarsino, Marcela Zubillaga, Marcela A Moretton, Diego A Chiappetta
Doxorubicin (DOX) is used as a "first-line" antineoplastic drug in ovarian and metastatic breast cancer. However, serious side effects, such as cardiotoxicity have been reported after DOX intravenous administration. Hence, we investigated different micelle-former biomaterials, as Soluplus(®), Pluronic F127, Tetronic T1107 and d-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) to develop a potential mixed micellar nanocarrier for DOX delivery. Since DOX hydrochloride is a poor candidate to be encapsulated inside the hydrophobic core of the mixed micelles, we assayed a hydrophobic complex between DOX and sodium deoxycholate (NaDC) as an excellent candidate to be encapsulated within polymeric micelles...
September 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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