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https://www.readbyqxmd.com/read/27923043/clonal-evolutionary-analysis-during-her2-blockade-in-her2-positive-inflammatory-breast-cancer-a-phase-ii-open-label-clinical-trial-of-afatinib-vinorelbine
#1
Gerald Goh, Ramona Schmid, Kelly Guiver, Wichit Arpornwirat, Imjai Chitapanarux, Vinod Ganju, Seock-Ah Im, Sung-Bae Kim, Arunee Dechaphunkul, Jedzada Maneechavakajorn, Neil Spector, Thomas Yau, Mehdi Afrit, Slim Ben Ahmed, Stephen R Johnston, Neil Gibson, Martina Uttenreuther-Fischer, Javier Herrero, Charles Swanton
BACKGROUND: Inflammatory breast cancer (IBC) is a rare, aggressive form of breast cancer associated with HER2 amplification, with high risk of metastasis and an estimated median survival of 2.9 y. We performed an open-label, single-arm phase II clinical trial (ClinicalTrials.gov NCT01325428) to investigate the efficacy and safety of afatinib, an irreversible ErbB family inhibitor, alone and in combination with vinorelbine in patients with HER2-positive IBC. This trial included prospectively planned exome analysis before and after afatinib monotherapy...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27922662/metabolic-reprogramming-and-ampk%C3%AE-1-pathway-activation-by-caulerpin-in-colorectal-cancer-cells
#2
Hua Yu, Huiqin Zhang, Mingjun Dong, Zhou Wu, Zhonglei Shen, Yangyang Xie, Zhenfang Kong, Xiaoyu Dai, Binbin Xu
Caulerpin, a secondary metabolite from the marine invasive green algae Caulerpa cylindracea is known to induce mitochondrial dysfunctions. In this study, the anticancer property of caulerpin was assessed in a panel of colorectal cancer cell lines. We demonstrated that caulerpin inhibited oxidative phosphorylation (OXPHOS) and facilitated an early intervention of the mitochondrial function, via inhibiting mitochondrial complex I, accompanied by the dissipation of mitochondrial membrane potential and a surge of reactive oxygen species (ROS) generation...
December 6, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27920560/comparison-of-survival-rates-between-3d-conformal-radiotherapy-and-intensity-modulated-radiotherapy-in-patients-with-stage-iii-non-small-cell-lung-cancer
#3
Moonkyoo Kong, Seong Eon Hong
PURPOSE: Randomized trials showing a clear survival benefit of intensity-modulated radiotherapy (IMRT) over 3-dimensional conformal radiotherapy (3D-CRT) in the treatment of lung cancer are lacking. This study compared the survival rates of patients with stage III non-small cell lung cancer who were treated with either 3D-CRT or IMRT and analyzed the prognostic factors for survival. METHODS: From January 2008 to July 2015, 19 patients were treated with IMRT and 30 were treated with 3D-CRT in our institution...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27920432/discovery-of-an-enzyme-and-substrate-selective-inhibitor-of-adam10-using-an-exosite-binding-glycosylated-substrate
#4
Franck Madoux, Daniela Dreymuller, Jean-Phillipe Pettiloud, Radleigh Santos, Christoph Becker-Pauly, Andreas Ludwig, Gregg B Fields, Thomas Bannister, Timothy P Spicer, Mare Cudic, Louis D Scampavia, Dmitriy Minond
ADAM10 and ADAM17 have been shown to contribute to the acquired drug resistance of HER2-positive breast cancer in response to trastuzumab. The majority of ADAM10 and ADAM17 inhibitor development has been focused on the discovery of compounds that bind the active site zinc, however, in recent years, there has been a shift from active site to secondary substrate binding site (exosite) inhibitor discovery in order to identify non-zinc-binding molecules. In the present work a glycosylated, exosite-binding substrate of ADAM10 and ADAM17 was utilized to screen 370,276 compounds from the MLPCN collection...
December 2016: Scientific Reports
https://www.readbyqxmd.com/read/27919974/a-phase-ii-study-of-adjuvant-chemotherapy-of-tegafur-uracil-for-patients-with-breast-cancer-with-her2-negative-pathologic-residual-invasive-disease-after-neoadjuvant-chemotherapy
#5
Satoru Tanaka, Mitsuhiko Iwamoto, Kosei Kimura, Yuko Takahashi, Hiyoya Fujioka, Nayuko Sato, Risa Terasawa, Kanako Kawaguchi, Ayana Ikari, Tomo Tominaga, Saki Maezawa, Nodoka Umezaki, Junna Matsuda, Kazuhisa Uchiyama
BACKGROUND: There is no consensus on the need for adjuvant chemotherapy for patients with pathological residual invasive breast cancer (non-pCR) after neoadjuvant chemotherapy (NAC). We evaluated the tolerability and safety of tegafur-uracil (UFT) as adjuvant chemotherapy for patients with human epidermal growth factor receptor 2-negative breast cancer that resulted in non-pCR after NAC. PATIENTS AND METHODS: We treated patients with 270 mg/m(2) UFT per day for 2 years after definitive surgery and radiotherapy, if necessary...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27918845/application-of-probabilistic-modeling-to-quantify-the-reduction-levels-of-hepatocellular-carcinoma-risk-attributable-to-chronic-aflatoxins-exposure
#6
Joseph M Wambui, Edward G Karuri, Julia A Ojiambo, Patrick M K Njage
Epidemiological studies show a definite connection between areas of high aflatoxin content and a high occurrence of human hepatocellular carcinoma (HCC). Hepatitis B virus in individuals further increases the risk of HCC. The two risk factors are prevalent in rural Kenya and continuously predispose the rural populations to HCC. A quantitative cancer risk assessment therefore quantified the levels at which potential pre- and postharvest interventions reduce the HCC risk attributable to consumption of contaminated maize and groundnuts...
December 5, 2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/27918781/the-role-of-adjuvant-chemotherapy-in-surgically-managed-p16-positive-oropharyngeal-squamous-cell-carcinoma
#7
S Andrew Skillington, Dorina Kallogjeri, James S Lewis, Jay F Piccirillo
Importance: Human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) has a favorable prognosis, and p16 immunohistochemistry is a surrogate marker of high-risk HPV infection and strong prognosticator. Given this favorable prognosis, treatment de-escalation for p16-positive OPSCC is now being considered with the goal of decreasing treatment-associated morbidity without compromising tumor control. The role of adjuvant chemotherapy in this setting is becoming increasingly unclear...
December 1, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27918780/effect-of-a-proposed-trastuzumab-biosimilar-compared-with-trastuzumab-on-overall-response-rate-in-patients-with-erbb2-her2-positive-metastatic-breast-cancer-a-randomized-clinical-trial
#8
Hope S Rugo, Abhijit Barve, Cornelius F Waller, Miguel Hernandez-Bronchud, Jay Herson, Jinyu Yuan, Rajiv Sharma, Mark Baczkowski, Mudgal Kothekar, Subramanian Loganathan, Alexey Manikhas, Igor Bondarenko, Guzel Mukhametshina, Gia Nemsadze, Joseph D Parra, Maria Luisa T Abesamis-Tiambeng, Kakhaber Baramidze, Charuwan Akewanlop, Ihor Vynnychenko, Virote Sriuranpong, Gopichand Mamillapalli, Sirshendu Ray, Eduardo P Yanez Ruiz, Eduardo Pennella
Importance: Treatment with the anti-ERBB2 humanized monoclonal antibody trastuzumab and chemotherapy significantly improves outcome in patients with ERBB2 (HER2)-positive metastatic breast cancer; a clinically effective biosimilar may help increase access to this therapy. Objective: To compare the overall response rate and assess the safety of a proposed trastuzumab biosimilar plus a taxane or trastuzumab plus a taxane in patients without prior treatment for ERBB2-positive metastatic breast cancer...
December 1, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27918778/efficacy-of-oral-risperidone-haloperidol-or-placebo-for-symptoms-of-delirium-among-patients-in-palliative-care-a-randomized-clinical-trial
#9
Meera R Agar, Peter G Lawlor, Stephen Quinn, Brian Draper, Gideon A Caplan, Debra Rowett, Christine Sanderson, Janet Hardy, Brian Le, Simon Eckermann, Nicola McCaffrey, Linda Devilee, Belinda Fazekas, Mark Hill, David C Currow
Importance: Antipsychotics are widely used for distressing symptoms of delirium, but efficacy has not been established in placebo-controlled trials in palliative care. Objective: To determine efficacy of risperidone or haloperidol relative to placebo in relieving target symptoms of delirium associated with distress among patients receiving palliative care. Design, Setting, and Participants: A double-blind, parallel-arm, dose-titrated randomized clinical trial was conducted at 11 Australian inpatient hospice or hospital palliative care services between August 13, 2008, and April 2, 2014, among participants with life-limiting illness, delirium, and a delirium symptoms score (sum of Nursing Delirium Screening Scale behavioral, communication, and perceptual items) of 1 or more...
December 5, 2016: JAMA Internal Medicine
https://www.readbyqxmd.com/read/27918762/alternating-treatment-with-pazopanib-and-everolimus-vs-continuous-pazopanib-to-delay-disease-progression-in-patients-with-metastatic-clear-cell-renal-cell-cancer-the-ropetar-randomized-clinical-trial
#10
Geert A Cirkel, Paul Hamberg, Stefan Sleijfer, Olaf J L Loosveld, M Wouter Dercksen, Maartje Los, Marco B Polee, Franchette van den Berkmortel, Maureen J Aarts, Laurens V Beerepoot, Gerard Groenewegen, Martijn P Lolkema, Metin Tascilar, Johanna E A Portielje, Frank P J Peters, Heinz-Josef Klümpen, Vincent van der Noort, John B A G Haanen, Emile E Voest
Importance: To our knowledge, this is the first randomized clinical trial evaluating an alternating treatment regimen in an attempt to delay disease progression in clear cell renal cell carcinoma. Objective: To test our hypothesis that an 8-week rotating treatment schedule with pazopanib and everolimus delays disease progression, exhibits more favorable toxic effects, and improves quality of life when compared with continuous treatment with pazopanib. Design, Setting, and Participants: This was an open-label, randomized (1:1) study (ROPETAR trial)...
December 1, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27918650/clinical-value-of-fully-automated-p16-ki-67-dual-staining-in-the-triage-of-hpv-positive-women-in-the-norwegian-cervical-cancer-screening-program
#11
Irene T Ovestad, Ingvild Dalen, Elisabeth Hansen, Janne L D Loge, Britt Mona Dybdahl, Marius B Dirdal, Pia Moltu, Jannicke M Berland
BACKGROUND: More accurate biomarkers in cervical cytology screening could reduce the number of women unnecessarily referred for biopsy. This study investigated the ability of p16/Ki-67 dual staining to predict high-grade cervical intraepithelial neoplasia (CIN) in human papillomavirus (HPV)-positive women from the Norwegian Cervical Cancer Screening Program. METHODS: Automated p16/Ki-67 dual staining was performed on liquid-based cytology samples from 266 women who were HPV-positive at their secondary screening...
December 5, 2016: Cancer
https://www.readbyqxmd.com/read/27918348/ewing-sarcoma-of-the-bone-with-ews-fli1-translocation-after-successful-treatment-of-primary-osteosarcoma
#12
Noriko Yodoya, Shotaro Iwamoto, Akihiko Matsumine, Eiichi Azuma, Hidemi Toyoda, Yoshihiro Miura, Kaname Nakatani, Hiroshi Imai, Masahiro Hirayama, Yoshihiro Komada
Although prognosis in patients with localized osteosarcoma has been dramatically improved by the introduction of multiple chemotherapy agents known as combination chemotherapy, there is growing concern about the development of secondary malignant neoplasms. We report the case of a 13-year-old girl in whom the diagnosis of Ewing sarcoma of bone localized on the shaft of left femur was made 2 years after successful treatment without radiotherapy for osteosarcoma of right proximal femur. EWS-FLI1 fusion gene was detected by reverse transcriptase-polymerase chain reaction...
December 1, 2016: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27917617/chronic-oedema-a-prevalent-health-care-problem-for-uk-health-services
#13
Christine J Moffatt, Vaughan Keeley, Peter J Franks, Anna Rich, Lorraine L Pinnington
Chronic oedema (CO) is a major clinical problem worldwide, which has many important secondary consequences for health, activity and participation. Effective treatment planning and organisation of services is dependent on an understanding of the condition and its epidemiology. This cross-sectional study was designed to estimate the point prevalence of CO within the health services of one UK urban population and to determine the proportions that have concurrent leg ulceration. Patients with CO in all anatomic sites were ascertained by health care professionals in one acute and one community hospital, all relevant outpatient and community nursing services, general practices and all nursing/residential homes in one urban catchment area (Derby City)...
December 4, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27917404/the-emerging-role-of-cdk5-in-cancer
#14
Karine Pozo, James A Bibb
Cdk5 is an atypical cyclin-dependent kinase that is well characterized for its role in the central nervous system rather than in the cell cycle. However Cdk5 has been recently implicated in the development and progression of a variety of cancers including breast, lung, colon, pancreatic, melanoma, thyroid and brain tumors. This broad pro-tumorigenic role makes Cdk5 a promising drug target for the development of new cancer therapies. Here we review the contribution of Cdk5 to molecular mechanisms that confer upon tumors the ability to grow, proliferate and disseminate to secondary organs, as well as resistance to chemotherapies...
October 2016: Trends in Cancer
https://www.readbyqxmd.com/read/27916516/local-dose-enhancement-of-proton-therapy-by-ceramic-oxide-nanoparticles-investigated-with-geant4-simulations
#15
Sally McKinnon, Susanna Guatelli, Sebastien Incerti, Vladimir Ivanchenko, Konstantin Konstantinov, Stéphanie Corde, Michael Lerch, Moeava Tehei, Anatoly Rosenfeld
Nanoparticles (NPs) have been shown to enhance X-ray radiotherapy and proton therapy of cancer. The effectiveness of radiation damage is enhanced in the presence of high atomic number (high-Z) NPs due to increased production of low energy, higher linear energy transfer (LET) secondary electrons when NPs are selectively internalized by tumour cells. This work quantifies the local dose enhancement produced by the high-Z ceramic oxide NPs Ta2O5 and CeO2, in the target tumour, for the first time in proton therapy, by means of Geant4 simulations...
December 1, 2016: Physica Medica: PM
https://www.readbyqxmd.com/read/27916436/utility-of-a-multidisciplinary-tumor-board-in-the-management-of-pancreatic-and-upper-gastrointestinal-diseases-an-observational-study
#16
David G Brauer, Matthew S Strand, Dominic E Sanford, Vladimir M Kushnir, Kian-Huat Lim, Daniel K Mullady, Benjamin R Tan, Andrea Wang-Gillam, Ashley E Morton, Marianna B Ruzinova, Parag J Parikh, Vamsi R Narra, Kathryn J Fowler, Majella B Doyle, William C Chapman, Steven S Strasberg, William G Hawkins, Ryan C Fields
BACKGROUND & OBJECTIVES: Multidisciplinary tumor boards (MDTBs) are frequently employed in cancer centers but their value has been debated. We reviewed the decision-making process and resource utilization of our MDTB to assess its utility in the management of pancreatic and upper gastrointestinal tract conditions. METHODS: A prospectively-collected database was reviewed over a 12-month period. The primary outcome was change in management plan as a result of case discussion...
December 1, 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/27916399/fat-grafting-is-a-feasible-technique-for-the-sequelae-of-head-and-neck-cancer-treatment
#17
J Gutiérrez Santamaría, J Masiá Gridilla, J Pamias Romero, J Giralt López-de-Sagredo, M S Bescós Atín
OBJECTIVE: The fatty tissue regenerative properties have already been used to correct secondary scars (mastectomy, HIV lipodystrophy), resulting in improved elasticity and tissue quality. However there has been limited experience in treating the sequela of head and neck cancer treatment using fat tissue grafting. The objective of this study was to perform a preliminary evaluation of the injection of autologous fat (IAF) technique, for the sequelae treatment in head and neck cancer patients...
November 1, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27916065/-clinical-analysis-of-hypersensitivity-reaction-of-platinum-in-ovarian-cancer-and-cervical-cancer-patients
#18
L Li, M Wu, J X Yang, X R Wan, H F Huang, L Y Pan, K Shen, J H Lang, Y Xiang
Objective: To investigate the incidence, risk factors, management and prognosis of hypersensitivity reaction (HSR) of platinum-based chemotherapy in patients of ovarian cancer and cervical cancer. Methods: Cases from Peking Union Medical College Hospital from Jan. 2013 to Jan. 2016 were checked for patients' data of epithelial ovarian cancer treated with carboplatin/paclitaxel (every 3 weeks) and patients of cervical cancer treated with concurrent radiochemotherapy using cisplatin (every week). General characters, pathological features, treatment and prognosis of patients were analyzed to determine the severity, symptoms, outcomes and risk factors of HSR...
November 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27915991/control-of-inflammatory-bowel-disease-and-colorectal-cancer-by-synthetic-vitamin-d-receptor-ligands
#19
Ichiro Takada, Makoto Makishima
Vitamin D deficiency and insufficiency are associated with an increased risk of cancer, autoimmune disease, inflammation, infection, cardiovascular disease and metabolic disease, as well as bone and mineral disorders. The vitamin D receptor (VDR), a member of the nuclear receptor superfamily, is a receptor for the active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3], and mediates vitamin D regulation of specific target gene expression. The secondary bile acid lithocholic acid, which is produced by intestinal bacteria, is another natural VDR ligand...
December 2, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27914587/outcomes-of-chest-wall-resections-in-pediatric-sarcoma-patients
#20
Carmen Lopez, Arlene Correa, Ara Vaporciyan, Mary Austin, David Rice, Andrea Hayes-Jordan
PURPOSE: Chest wall tumors in pediatric patients are rare. This study evaluates outcomes in pediatric patients who have undergone chest wall resections secondary to sarcomas. METHODS: A retrospective review was performed for patients <19years old who underwent chest wall resections for sarcoma 1999-2014 at the University of Texas MD Anderson Cancer Center. RESULTS: Of 44 patients, Ewing's sarcoma (n=18) and osteosarcoma (n=16) were most common...
October 28, 2016: Journal of Pediatric Surgery
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